diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 63740dae90a0..c7523c419c88 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -979,6 +979,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
i8042.notimeout [HW] Ignore timeout condition signalled by controller
i8042.reset [HW] Reset the controller during init and cleanup
i8042.unlock [HW] Unlock (ignore) the keylock
+ i8042.kbdreset [HW] Reset device connected to KBD port
i810= [HW,DRM]
diff --git a/Makefile b/Makefile
index 649f1462ebf8..f53f41a8dd09 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 4
-SUBLEVEL = 106
+SUBLEVEL = 107
EXTRAVERSION =
NAME = Saber-toothed Squirrel
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index 5eecab1a84ef..f153733fb938 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -149,6 +149,8 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 98821530ae70..98646d0808ab 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -531,7 +531,7 @@ ENTRY(cpu_xscale_do_suspend)
mrc p15, 0, r5, c15, c1, 0 @ CP access reg
mrc p15, 0, r6, c13, c0, 0 @ PID
mrc p15, 0, r7, c3, c0, 0 @ domain ID
- mrc p15, 0, r8, c1, c1, 0 @ auxiliary control reg
+ mrc p15, 0, r8, c1, c0, 1 @ auxiliary control reg
mrc p15, 0, r9, c1, c0, 0 @ control reg
bic r4, r4, #2 @ clear frequency change bit
stmia r0, {r4 - r9} @ store cp regs
@@ -548,7 +548,7 @@ ENTRY(cpu_xscale_do_resume)
mcr p15, 0, r6, c13, c0, 0 @ PID
mcr p15, 0, r7, c3, c0, 0 @ domain ID
mcr p15, 0, r1, c2, c0, 0 @ translation table base addr
- mcr p15, 0, r8, c1, c1, 0 @ auxiliary control reg
+ mcr p15, 0, r8, c1, c0, 1 @ auxiliary control reg
mov r0, r9 @ control register
b cpu_resume_mmu
ENDPROC(cpu_xscale_do_resume)
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
index f7040a1e399f..632b649c7be0 100644
--- a/arch/avr32/mm/fault.c
+++ b/arch/avr32/mm/fault.c
@@ -136,6 +136,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index b4760d86e1bb..b07c00c01696 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -167,6 +167,8 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
index 331c1e2cfb67..854549617dd2 100644
--- a/arch/frv/mm/fault.c
+++ b/arch/frv/mm/fault.c
@@ -166,6 +166,8 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 02d29c2a132a..3c820ea4212f 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -162,6 +162,8 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
*/
if (fault & VM_FAULT_OOM) {
goto out_of_memory;
+ } else if (fault & VM_FAULT_SIGSEGV) {
+ goto bad_area;
} else if (fault & VM_FAULT_SIGBUS) {
signal = SIGBUS;
goto bad_area;
diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
index 3cdfa9c1d091..06827fc92bbf 100644
--- a/arch/m32r/mm/fault.c
+++ b/arch/m32r/mm/fault.c
@@ -198,6 +198,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index 6b020a8461e7..8646409adf5b 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -146,6 +146,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto map_err;
else if (fault & VM_FAULT_SIGBUS)
goto bus_err;
BUG();
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index c38a265846de..c7fe3da48593 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -214,6 +214,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c
index 972263bcf403..0ed44bef070d 100644
--- a/arch/mips/kernel/irq_cpu.c
+++ b/arch/mips/kernel/irq_cpu.c
@@ -55,6 +55,8 @@ static struct irq_chip mips_cpu_irq_controller = {
.irq_mask_ack = mask_mips_irq,
.irq_unmask = unmask_mips_irq,
.irq_eoi = unmask_mips_irq,
+ .irq_disable = mask_mips_irq,
+ .irq_enable = unmask_mips_irq,
};
/*
@@ -91,6 +93,8 @@ static struct irq_chip mips_mt_cpu_irq_controller = {
.irq_mask_ack = mips_mt_cpu_irq_ack,
.irq_unmask = unmask_mips_irq,
.irq_eoi = unmask_mips_irq,
+ .irq_disable = mask_mips_irq,
+ .irq_enable = unmask_mips_irq,
};
void __init mips_cpu_irq_init(void)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index ba9376bf52a1..7c2c1afe73f3 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -105,10 +105,10 @@ asmlinkage __cpuinit void start_secondary(void)
if ((read_c0_tcbind() & TCBIND_CURTC) == 0)
#endif /* CONFIG_MIPS_MT_SMTC */
cpu_probe();
- cpu_report();
per_cpu_trap_init();
mips_clockevent_init();
mp_ops->init_secondary();
+ cpu_report();
/*
* XXX parity protection should be folded in here when it's converted
diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index e526488df655..ce415f70ca86 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -10,7 +10,8 @@ obj-$(CONFIG_GENERIC_GPIO) += gpio.o
# Serial port support
#
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_SERIAL_8250) += serial.o
+loongson-serial-$(CONFIG_SERIAL_8250) := serial.o
+obj-y += $(loongson-serial-m) $(loongson-serial-y)
obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index c14f6dfed995..5c9ba6a536d1 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -155,6 +155,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c
index 90f346f7392d..eb411b3cd7e9 100644
--- a/arch/mn10300/mm/fault.c
+++ b/arch/mn10300/mm/fault.c
@@ -255,6 +255,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index a5dce82f864b..162abfbced69 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -163,6 +163,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index 18162ce4261e..a9b765a999ef 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -210,6 +210,8 @@ good_area:
*/
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto bad_area;
BUG();
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 08ffcf52a856..3d30a4af627f 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -419,7 +419,11 @@ good_area:
*/
fault = handle_mm_fault(mm, vma, address, flags);
if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
- int rc = mm_fault_error(regs, address, fault);
+ int rc;
+
+ if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
+ rc = mm_fault_error(regs, address, fault);
if (rc >= MM_FAULT_RETURN)
return rc;
}
diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c
index 641e7273d75a..62f3e4e48a0b 100644
--- a/arch/powerpc/platforms/cell/spu_fault.c
+++ b/arch/powerpc/platforms/cell/spu_fault.c
@@ -75,7 +75,7 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
if (*flt & VM_FAULT_OOM) {
ret = -ENOMEM;
goto out_unlock;
- } else if (*flt & VM_FAULT_SIGBUS) {
+ } else if (*flt & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
ret = -EFAULT;
goto out_unlock;
}
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index ad697f84b945..7c8557662198 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -164,7 +164,7 @@ static void spufs_prune_dir(struct dentry *dir)
struct dentry *dentry, *tmp;
mutex_lock(&dir->d_inode->i_mutex);
- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
+ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
spin_lock(&dentry->d_lock);
if (!(d_unhashed(dentry)) && dentry->d_inode) {
dget_dlock(dentry);
@@ -222,7 +222,7 @@ out:
* - free child's inode if possible
* - free child
*/
- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
+ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
dput(dentry);
}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index eab3492a45c5..7729c6c07d60 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -285,10 +285,11 @@ static inline void disable_surveillance(void)
args.token = rtas_token("set-indicator");
if (args.token == RTAS_UNKNOWN_SERVICE)
return;
- args.nargs = 3;
- args.nret = 1;
+ args.token = cpu_to_be32(args.token);
+ args.nargs = cpu_to_be32(3);
+ args.nret = cpu_to_be32(1);
args.rets = &args.args[3];
- args.args[0] = SURVEILLANCE_TOKEN;
+ args.args[0] = cpu_to_be32(SURVEILLANCE_TOKEN);
args.args[1] = 0;
args.args[2] = 0;
enter_rtas(__pa(&args));
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index f2b11ee3fb3a..68ba1bb834bb 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -237,6 +237,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
do_no_context(regs);
else
pagefault_out_of_memory();
+ } else if (fault & VM_FAULT_SIGSEGV) {
+ /* Kernel mode? Handle exceptions or die */
+ if (!user_mode(regs))
+ do_no_context(regs);
+ else
+ do_sigsegv(regs, SEGV_MAPERR);
} else if (fault & VM_FAULT_SIGBUS) {
/* Kernel mode? Handle exceptions or die */
if (!(regs->psw.mask & PSW_MASK_PSTATE))
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
index 47b600e4b2c5..b3744ca70be6 100644
--- a/arch/score/mm/fault.c
+++ b/arch/score/mm/fault.c
@@ -110,6 +110,8 @@ survive:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index e99b104d967a..a4919631ce03 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -206,6 +206,8 @@ good_area:
goto out_of_memory;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
BUG();
}
if (fault & VM_FAULT_MAJOR) {
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 11c5a18f10ed..92f0df95cf83 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -194,6 +194,8 @@ good_area:
goto out_of_memory;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
BUG();
}
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index df3155a17991..5c6238d72076 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -300,6 +300,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 1387acafc62c..0dc7b9094a29 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -443,6 +443,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 22e58f51ed23..a362926d513a 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -433,6 +433,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index dafc94715950..f79ffc901d0e 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -69,6 +69,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM) {
goto out_of_memory;
+ } else if (fault & VM_FAULT_SIGSEGV) {
+ goto out;
} else if (fault & VM_FAULT_SIGBUS) {
err = -EACCES;
goto out;
diff --git a/arch/x86/include/asm/ldt.h b/arch/x86/include/asm/ldt.h
index 46727eb37bfe..6e1aaf73852a 100644
--- a/arch/x86/include/asm/ldt.h
+++ b/arch/x86/include/asm/ldt.h
@@ -28,6 +28,13 @@ struct user_desc {
unsigned int seg_not_present:1;
unsigned int useable:1;
#ifdef __x86_64__
+ /*
+ * Because this bit is not present in 32-bit user code, user
+ * programs can pass uninitialized values here. Therefore, in
+ * any context in which a user_desc comes from a 32-bit program,
+ * the kernel must act as though lm == 0, regardless of the
+ * actual value.
+ */
unsigned int lm:1;
#endif
};
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index ccb805966f68..e92e1e4d7a5e 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -130,6 +130,7 @@
#define MSR_AMD64_PATCH_LOADER 0xc0010020
#define MSR_AMD64_OSVW_ID_LENGTH 0xc0010140
#define MSR_AMD64_OSVW_STATUS 0xc0010141
+#define MSR_AMD64_LS_CFG 0xc0011020
#define MSR_AMD64_DC_CFG 0xc0011022
#define MSR_AMD64_IBSFETCHCTL 0xc0011030
#define MSR_AMD64_IBSFETCHLINAD 0xc0011031
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index a9c8a46dd7d3..5beec8abd37e 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -417,6 +417,16 @@ static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c)
c->x86_coreid_bits = bits;
#endif
+
+ /* F16h erratum 793, CVE-2013-6885 */
+ if (c->x86 == 0x16 && c->x86_model <= 0xf) {
+ u64 val;
+
+ if (!rdmsrl_amd_safe(MSR_AMD64_LS_CFG, &val) &&
+ !(val & BIT(15)))
+ wrmsrl_amd_safe(MSR_AMD64_LS_CFG, val | BIT(15));
+ }
+
}
static void __cpuinit bsp_init_amd(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 646d192b18a2..c465584c2517 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -55,6 +55,7 @@ static struct clocksource hyperv_cs = {
.rating = 400, /* use this when running on Hyperv*/
.read = read_hv_clock,
.mask = CLOCKSOURCE_MASK(64),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
static void __init ms_hyperv_init_platform(void)
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index e213fc8408d2..15d3c454e5e3 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -1003,6 +1003,15 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
+
+ /*
+ * jprobes use jprobe_return() which skips the normal return
+ * path of the function, and this messes up the accounting of the
+ * function graph tracer to get messed up.
+ *
+ * Pause function graph tracing while performing the jprobe function.
+ */
+ pause_graph_tracing();
return 1;
}
@@ -1028,24 +1037,25 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
u8 *addr = (u8 *) (regs->ip - 1);
struct jprobe *jp = container_of(p, struct jprobe, kp);
+ void *saved_sp = kcb->jprobe_saved_sp;
if ((addr > (u8 *) jprobe_return) &&
(addr < (u8 *) jprobe_return_end)) {
- if (stack_addr(regs) != kcb->jprobe_saved_sp) {
+ if (stack_addr(regs) != saved_sp) {
struct pt_regs *saved_regs = &kcb->jprobe_saved_regs;
printk(KERN_ERR
"current sp %p does not match saved sp %p\n",
- stack_addr(regs), kcb->jprobe_saved_sp);
+ stack_addr(regs), saved_sp);
printk(KERN_ERR "Saved registers for jprobe %p\n", jp);
show_registers(saved_regs);
printk(KERN_ERR "Current registers\n");
show_registers(regs);
BUG();
}
+ /* It's OK to start function graph tracing again */
+ unpause_graph_tracing();
*regs = kcb->jprobe_saved_regs;
- memcpy((kprobe_opcode_t *)(kcb->jprobe_saved_sp),
- kcb->jprobes_stack,
- MIN_STACK_SIZE(kcb->jprobe_saved_sp));
+ memcpy(saved_sp, kcb->jprobes_stack, MIN_STACK_SIZE(saved_sp));
preempt_enable_no_resched();
return 1;
}
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 43d8b48b23e6..bb390e1ba600 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -286,24 +286,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
fpu = switch_fpu_prepare(prev_p, next_p, cpu);
- /*
- * Reload esp0, LDT and the page table pointer:
- */
+ /* Reload esp0 and ss1. */
load_sp0(tss, next);
- /*
- * Switch DS and ES.
- * This won't pick up thread selector changes, but I guess that is ok.
- */
- savesegment(es, prev->es);
- if (unlikely(next->es | prev->es))
- loadsegment(es, next->es);
-
- savesegment(ds, prev->ds);
- if (unlikely(next->ds | prev->ds))
- loadsegment(ds, next->ds);
-
-
/* We must save %fs and %gs before load_TLS() because
* %fs and %gs may be cleared by load_TLS().
*
@@ -312,41 +297,101 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
savesegment(fs, fsindex);
savesegment(gs, gsindex);
+ /*
+ * Load TLS before restoring any segments so that segment loads
+ * reference the correct GDT entries.
+ */
load_TLS(next, cpu);
/*
- * Leave lazy mode, flushing any hypercalls made here.
- * This must be done before restoring TLS segments so
- * the GDT and LDT are properly updated, and must be
- * done before math_state_restore, so the TS bit is up
- * to date.
+ * Leave lazy mode, flushing any hypercalls made here. This
+ * must be done after loading TLS entries in the GDT but before
+ * loading segments that might reference them, and and it must
+ * be done before math_state_restore, so the TS bit is up to
+ * date.
*/
arch_end_context_switch(next_p);
+ /* Switch DS and ES.
+ *
+ * Reading them only returns the selectors, but writing them (if
+ * nonzero) loads the full descriptor from the GDT or LDT. The
+ * LDT for next is loaded in switch_mm, and the GDT is loaded
+ * above.
+ *
+ * We therefore need to write new values to the segment
+ * registers on every context switch unless both the new and old
+ * values are zero.
+ *
+ * Note that we don't need to do anything for CS and SS, as
+ * those are saved and restored as part of pt_regs.
+ */
+ savesegment(es, prev->es);
+ if (unlikely(next->es | prev->es))
+ loadsegment(es, next->es);
+
+ savesegment(ds, prev->ds);
+ if (unlikely(next->ds | prev->ds))
+ loadsegment(ds, next->ds);
+
/*
* Switch FS and GS.
*
- * Segment register != 0 always requires a reload. Also
- * reload when it has changed. When prev process used 64bit
- * base always reload to avoid an information leak.
+ * These are even more complicated than FS and GS: they have
+ * 64-bit bases are that controlled by arch_prctl. Those bases
+ * only differ from the values in the GDT or LDT if the selector
+ * is 0.
+ *
+ * Loading the segment register resets the hidden base part of
+ * the register to 0 or the value from the GDT / LDT. If the
+ * next base address zero, writing 0 to the segment register is
+ * much faster than using wrmsr to explicitly zero the base.
+ *
+ * The thread_struct.fs and thread_struct.gs values are 0
+ * if the fs and gs bases respectively are not overridden
+ * from the values implied by fsindex and gsindex. They
+ * are nonzero, and store the nonzero base addresses, if
+ * the bases are overridden.
+ *
+ * (fs != 0 && fsindex != 0) || (gs != 0 && gsindex != 0) should
+ * be impossible.
+ *
+ * Therefore we need to reload the segment registers if either
+ * the old or new selector is nonzero, and we need to override
+ * the base address if next thread expects it to be overridden.
+ *
+ * This code is unnecessarily slow in the case where the old and
+ * new indexes are zero and the new base is nonzero -- it will
+ * unnecessarily write 0 to the selector before writing the new
+ * base address.
+ *
+ * Note: This all depends on arch_prctl being the only way that
+ * user code can override the segment base. Once wrfsbase and
+ * wrgsbase are enabled, most of this code will need to change.
*/
if (unlikely(fsindex | next->fsindex | prev->fs)) {
loadsegment(fs, next->fsindex);
+
/*
- * Check if the user used a selector != 0; if yes
- * clear 64bit base, since overloaded base is always
- * mapped to the Null selector
+ * If user code wrote a nonzero value to FS, then it also
+ * cleared the overridden base address.
+ *
+ * XXX: if user code wrote 0 to FS and cleared the base
+ * address itself, we won't notice and we'll incorrectly
+ * restore the prior base address next time we reschdule
+ * the process.
*/
if (fsindex)
prev->fs = 0;
}
- /* when next process has a 64bit base use it */
if (next->fs)
wrmsrl(MSR_FS_BASE, next->fs);
prev->fsindex = fsindex;
if (unlikely(gsindex | next->gsindex | prev->gs)) {
load_gs_index(next->gsindex);
+
+ /* This works (and fails) the same way as fsindex above. */
if (gsindex)
prev->gs = 0;
}
diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
index 9d25a6eef1e1..fe2e363fa87a 100644
--- a/arch/x86/kernel/tls.c
+++ b/arch/x86/kernel/tls.c
@@ -60,6 +60,22 @@ static bool tls_desc_okay(const struct user_desc *info)
if (!info->seg_32bit)
return false;
+ /* Only allow data segments in the TLS array. */
+ if (info->contents > 1)
+ return false;
+
+ /*
+ * Non-present segments with DPL 3 present an interesting attack
+ * surface. The kernel should handle such segments correctly,
+ * but TLS is very difficult to protect in a sandbox, so prevent
+ * such segments from being created.
+ *
+ * If userspace needs to remove a TLS entry, it can still delete
+ * it outright.
+ */
+ if (info->seg_not_present)
+ return false;
+
return true;
}
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 4a0a2e810b4b..b723f2e09f44 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -887,6 +887,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
VM_FAULT_HWPOISON_LARGE))
do_sigbus(regs, error_code, address, fault);
+ else if (fault & VM_FAULT_SIGSEGV)
+ bad_area_nosemaphore(regs, error_code, address);
else
BUG();
}
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index 5c1ae28825cd..75f9e5d80d02 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -35,12 +35,12 @@ struct __read_mostly va_alignment va_align = {
.flags = -1,
};
-static unsigned int stack_maxrandom_size(void)
+static unsigned long stack_maxrandom_size(void)
{
- unsigned int max = 0;
+ unsigned long max = 0;
if ((current->flags & PF_RANDOMIZE) &&
!(current->personality & ADDR_NO_RANDOMIZE)) {
- max = ((-1U) & STACK_RND_MASK) << PAGE_SHIFT;
+ max = ((-1UL) & STACK_RND_MASK) << PAGE_SHIFT;
}
return max;
diff --git a/arch/x86/um/sys_call_table_32.c b/arch/x86/um/sys_call_table_32.c
index 68d1dc91b37b..bd8b159cbb53 100644
--- a/arch/x86/um/sys_call_table_32.c
+++ b/arch/x86/um/sys_call_table_32.c
@@ -43,7 +43,7 @@ typedef asmlinkage void (*sys_call_ptr_t)(void);
extern asmlinkage void sys_ni_syscall(void);
-const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index 9924776f4265..cbdab949926d 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -48,7 +48,7 @@ typedef void (*sys_call_ptr_t)(void);
extern void sys_ni_syscall(void);
-const sys_call_ptr_t sys_call_table[] __cacheline_aligned = {
+const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
/*
* Smells like a compiler bug -- it doesn't work
* when the & below is removed.
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index 00aaf047b39f..47aa1080c00a 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -117,23 +117,39 @@ subsys_initcall(init_vdso);
struct linux_binprm;
-/* Put the vdso above the (randomized) stack with another randomized offset.
- This way there is no hole in the middle of address space.
- To save memory make sure it is still in the same PTE as the stack top.
- This doesn't give that many random bits */
+/*
+ * Put the vdso above the (randomized) stack with another randomized
+ * offset. This way there is no hole in the middle of address space.
+ * To save memory make sure it is still in the same PTE as the stack
+ * top. This doesn't give that many random bits.
+ *
+ * Note that this algorithm is imperfect: the distribution of the vdso
+ * start address within a PMD is biased toward the end.
+ *
+ */
static unsigned long vdso_addr(unsigned long start, unsigned len)
{
unsigned long addr, end;
unsigned offset;
- end = (start + PMD_SIZE - 1) & PMD_MASK;
+
+ /*
+ * Round up the start address. It can start out unaligned as a result
+ * of stack start randomization.
+ */
+ start = PAGE_ALIGN(start);
+
+ /* Round the lowest possible end address up to a PMD boundary. */
+ end = (start + len + PMD_SIZE - 1) & PMD_MASK;
if (end >= TASK_SIZE_MAX)
end = TASK_SIZE_MAX;
end -= len;
- /* This loses some more bits than a modulo, but is cheaper */
- offset = get_random_int() & (PTRS_PER_PTE - 1);
- addr = start + (offset << PAGE_SHIFT);
- if (addr >= end)
- addr = end;
+
+ if (end > start) {
+ offset = get_random_int() % (((end - start) >> PAGE_SHIFT) + 1);
+ addr = start + (offset << PAGE_SHIFT);
+ } else {
+ addr = start;
+ }
/*
* page-align it here so that get_unmapped_area doesn't
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index b17885a0b508..b3877be25ab3 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -108,6 +108,8 @@ good_area:
if (unlikely(fault & VM_FAULT_ERROR)) {
if (fault & VM_FAULT_OOM)
goto out_of_memory;
+ else if (fault & VM_FAULT_SIGSEGV)
+ goto bad_area;
else if (fault & VM_FAULT_SIGBUS)
goto do_sigbus;
BUG();
diff --git a/block/genhd.c b/block/genhd.c
index 60f7e6ce76b4..7a2a8dc9bc5f 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1069,9 +1069,16 @@ int disk_expand_part_tbl(struct gendisk *disk, int partno)
struct disk_part_tbl *old_ptbl = disk->part_tbl;
struct disk_part_tbl *new_ptbl;
int len = old_ptbl ? old_ptbl->len : 0;
- int target = partno + 1;
+ int i, target;
size_t size;
- int i;
+
+ /*
+ * check for int overflow, since we can get here from blkpg_ioctl()
+ * with a user passed 'partno'.
+ */
+ target = partno + 1;
+ if (target < 0)
+ return -EINVAL;
/* disk_max_parts() is zero during initialization, ignore if so */
if (disk_max_parts(disk) && target > disk_max_parts(disk))
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index bf948e134981..6ef6e2ad344e 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -449,6 +449,9 @@ void af_alg_complete(struct crypto_async_request *req, int err)
{
struct af_alg_completion *completion = req->data;
+ if (err == -EINPROGRESS)
+ return;
+
completion->err = err;
complete(&completion->completion);
}
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ca9a287b5864..6fc61eb07b7b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -61,6 +61,8 @@ enum board_ids {
/* board IDs by feature in alphabetical order */
board_ahci,
board_ahci_ign_iferr,
+ board_ahci_nomsi,
+ board_ahci_noncq,
board_ahci_nosntf,
board_ahci_yes_fbs,
@@ -121,6 +123,20 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ [board_ahci_nomsi] = {
+ AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
+ [board_ahci_noncq] = {
+ AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
[board_ahci_nosntf] =
{
AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
@@ -313,6 +329,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
+ { PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
+ { PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
+ { PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
@@ -469,6 +488,13 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
+ /*
+ * Samsung SSDs found on some macbooks. NCQ times out if MSI is
+ * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
+ */
+ { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
+ { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
+
/* Enmotus */
{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 6b922365d5e9..adaf994abb79 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4712,7 +4712,10 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap)
return NULL;
for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
- tag = tag < max_queue ? tag : 0;
+ if (ap->flags & ATA_FLAG_LOWTAG)
+ tag = i;
+ else
+ tag = tag < max_queue ? tag : 0;
/* the last tag is reserved for internal command. */
if (tag == ATA_TAG_INTERNAL)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 3723e5ec2b4d..fad2734a46d0 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1333,7 +1333,19 @@ void ata_sff_flush_pio_task(struct ata_port *ap)
DPRINTK("ENTER\n");
cancel_delayed_work_sync(&ap->sff_pio_task);
+
+ /*
+ * We wanna reset the HSM state to IDLE. If we do so without
+ * grabbing the port lock, critical sections protected by it which
+ * expect the HSM state to stay stable may get surprised. For
+ * example, we may set IDLE in between the time
+ * __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls
+ * ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG().
+ */
+ spin_lock_irq(ap->lock);
ap->hsm_task_state = HSM_ST_IDLE;
+ spin_unlock_irq(ap->lock);
+
ap->sff_pio_task_link = NULL;
if (ata_msg_ctl(ap))
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 69f7cde49c6b..9d6eb14b4bed 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -791,7 +791,7 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq)
if (err) {
dev_err(host_pvt.dwc_dev, "%s: dma_request_interrupts returns"
" %d\n", __func__, err);
- goto error_out;
+ return err;
}
/* Enabe DMA */
@@ -802,11 +802,6 @@ static int dma_dwc_init(struct sata_dwc_device *hsdev, int irq)
sata_dma_regs);
return 0;
-
-error_out:
- dma_dwc_exit(hsdev);
-
- return err;
}
static int sata_dwc_scr_read(struct ata_link *link, unsigned int scr, u32 *val)
@@ -1634,7 +1629,7 @@ static int sata_dwc_probe(struct platform_device *ofdev)
char *ver = (char *)&versionr;
u8 *base = NULL;
int err = 0;
- int irq, rc;
+ int irq;
struct ata_host *host;
struct ata_port_info pi = sata_dwc_port_info[0];
const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -1688,7 +1683,7 @@ static int sata_dwc_probe(struct platform_device *ofdev)
if (irq == NO_IRQ) {
dev_err(&ofdev->dev, "no SATA DMA irq\n");
err = -ENODEV;
- goto error_out;
+ goto error_iomap;
}
/* Get physical SATA DMA register base address */
@@ -1697,14 +1692,16 @@ static int sata_dwc_probe(struct platform_device *ofdev)
dev_err(&ofdev->dev, "ioremap failed for AHBDMA register"
" address\n");
err = -ENODEV;
- goto error_out;
+ goto error_iomap;
}
/* Save dev for later use in dev_xxx() routines */
host_pvt.dwc_dev = &ofdev->dev;
/* Initialize AHB DMAC */
- dma_dwc_init(hsdev, irq);
+ err = dma_dwc_init(hsdev, irq);
+ if (err)
+ goto error_dma_iomap;
/* Enable SATA Interrupts */
sata_dwc_enable_interrupts(hsdev);
@@ -1722,9 +1719,8 @@ static int sata_dwc_probe(struct platform_device *ofdev)
* device discovery process, invoking our port_start() handler &
* error_handler() to execute a dummy Softreset EH session
*/
- rc = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht);
-
- if (rc != 0)
+ err = ata_host_activate(host, irq, sata_dwc_isr, 0, &sata_dwc_sht);
+ if (err)
dev_err(&ofdev->dev, "failed to activate host");
dev_set_drvdata(&ofdev->dev, host);
@@ -1733,7 +1729,8 @@ static int sata_dwc_probe(struct platform_device *ofdev)
error_out:
/* Free SATA DMA resources */
dma_dwc_exit(hsdev);
-
+error_dma_iomap:
+ iounmap((void __iomem *)host_pvt.sata_dma_regs);
error_iomap:
iounmap(base);
error_kmalloc:
@@ -1754,6 +1751,7 @@ static int sata_dwc_remove(struct platform_device *ofdev)
/* Free SATA DMA resources */
dma_dwc_exit(hsdev);
+ iounmap((void __iomem *)host_pvt.sata_dma_regs);
iounmap(hsdev->reg_base);
kfree(hsdev);
kfree(host);
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index d6577b93bee3..3d3b59a9adcf 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1426,7 +1426,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
host_priv->csr_base = csr_base;
irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
- if (irq < 0) {
+ if (!irq) {
dev_err(&ofdev->dev, "invalid irq from platform\n");
goto error_exit_with_cleanup;
}
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index e7e610aa9a7a..cb68aa3f72a6 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -246,7 +246,7 @@ enum {
/* host flags */
SIL24_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
- ATA_FLAG_AN | ATA_FLAG_PMP,
+ ATA_FLAG_AN | ATA_FLAG_PMP | ATA_FLAG_LOWTAG,
SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
IRQ_STAT_4PORTS = 0xf,
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index b850cecb147b..0f682f7d0797 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -245,13 +245,15 @@ static ssize_t store_drivers_probe(struct bus_type *bus,
const char *buf, size_t count)
{
struct device *dev;
+ int err = -EINVAL;
dev = bus_find_device_by_name(bus, NULL, buf);
if (!dev)
return -ENODEV;
- if (bus_rescan_devices_helper(dev, NULL) != 0)
- return -EINVAL;
- return count;
+ if (bus_rescan_devices_helper(dev, NULL) == 0)
+ err = count;
+ put_device(dev);
+ return err;
}
#endif
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 32e86d6f141c..aeaf0e183f24 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1494,34 +1494,11 @@ static void device_create_release(struct device *dev)
kfree(dev);
}
-/**
- * device_create_vargs - creates a device and registers it with sysfs
- * @class: pointer to the struct class that this device should be registered to
- * @parent: pointer to the parent struct device of this new device, if any
- * @devt: the dev_t for the char device to be added
- * @drvdata: the data to be added to the device for callbacks
- * @fmt: string for the device's name
- * @args: va_list for the device's name
- *
- * This function can be used by char device classes. A struct device
- * will be created in sysfs, registered to the specified class.
- *
- * A "dev" file will be created, showing the dev_t for the device, if
- * the dev_t is not 0,0.
- * If a pointer to a parent struct device is passed in, the newly created
- * struct device will be a child of that device in sysfs.
- * The pointer to the struct device will be returned from the call.
- * Any further sysfs files that might be required can be created using this
- * pointer.
- *
- * Returns &struct device pointer on success, or ERR_PTR() on error.
- *
- * Note: the struct class passed to this function must have previously
- * been created with a call to class_create().
- */
-struct device *device_create_vargs(struct class *class, struct device *parent,
- dev_t devt, void *drvdata, const char *fmt,
- va_list args)
+static struct device *
+device_create_groups_vargs(struct class *class, struct device *parent,
+ dev_t devt, void *drvdata,
+ const struct attribute_group **groups,
+ const char *fmt, va_list args)
{
struct device *dev = NULL;
int retval = -ENODEV;
@@ -1538,6 +1515,7 @@ struct device *device_create_vargs(struct class *class, struct device *parent,
dev->devt = devt;
dev->class = class;
dev->parent = parent;
+ dev->groups = groups;
dev->release = device_create_release;
dev_set_drvdata(dev, drvdata);
@@ -1555,6 +1533,39 @@ error:
put_device(dev);
return ERR_PTR(retval);
}
+
+/**
+ * device_create_vargs - creates a device and registers it with sysfs
+ * @class: pointer to the struct class that this device should be registered to
+ * @parent: pointer to the parent struct device of this new device, if any
+ * @devt: the dev_t for the char device to be added
+ * @drvdata: the data to be added to the device for callbacks
+ * @fmt: string for the device's name
+ * @args: va_list for the device's name
+ *
+ * This function can be used by char device classes. A struct device
+ * will be created in sysfs, registered to the specified class.
+ *
+ * A "dev" file will be created, showing the dev_t for the device, if
+ * the dev_t is not 0,0.
+ * If a pointer to a parent struct device is passed in, the newly created
+ * struct device will be a child of that device in sysfs.
+ * The pointer to the struct device will be returned from the call.
+ * Any further sysfs files that might be required can be created using this
+ * pointer.
+ *
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
+ * Note: the struct class passed to this function must have previously
+ * been created with a call to class_create().
+ */
+struct device *device_create_vargs(struct class *class, struct device *parent,
+ dev_t devt, void *drvdata, const char *fmt,
+ va_list args)
+{
+ return device_create_groups_vargs(class, parent, devt, drvdata, NULL,
+ fmt, args);
+}
EXPORT_SYMBOL_GPL(device_create_vargs);
/**
@@ -1594,6 +1605,50 @@ struct device *device_create(struct class *class, struct device *parent,
}
EXPORT_SYMBOL_GPL(device_create);
+/**
+ * device_create_with_groups - creates a device and registers it with sysfs
+ * @class: pointer to the struct class that this device should be registered to
+ * @parent: pointer to the parent struct device of this new device, if any
+ * @devt: the dev_t for the char device to be added
+ * @drvdata: the data to be added to the device for callbacks
+ * @groups: NULL-terminated list of attribute groups to be created
+ * @fmt: string for the device's name
+ *
+ * This function can be used by char device classes. A struct device
+ * will be created in sysfs, registered to the specified class.
+ * Additional attributes specified in the groups parameter will also
+ * be created automatically.
+ *
+ * A "dev" file will be created, showing the dev_t for the device, if
+ * the dev_t is not 0,0.
+ * If a pointer to a parent struct device is passed in, the newly created
+ * struct device will be a child of that device in sysfs.
+ * The pointer to the struct device will be returned from the call.
+ * Any further sysfs files that might be required can be created using this
+ * pointer.
+ *
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
+ * Note: the struct class passed to this function must have previously
+ * been created with a call to class_create().
+ */
+struct device *device_create_with_groups(struct class *class,
+ struct device *parent, dev_t devt,
+ void *drvdata,
+ const struct attribute_group **groups,
+ const char *fmt, ...)
+{
+ va_list vargs;
+ struct device *dev;
+
+ va_start(vargs, fmt);
+ dev = device_create_groups_vargs(class, parent, devt, drvdata, groups,
+ fmt, vargs);
+ va_end(vargs);
+ return dev;
+}
+EXPORT_SYMBOL_GPL(device_create_with_groups);
+
static int __match_devt(struct device *dev, void *data)
{
dev_t *devt = data;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index be984e073666..43da22658348 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1184,6 +1184,7 @@ int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct
struct request_queue * const b =
mdev->ldev->backing_bdev->bd_disk->queue;
if (b->merge_bvec_fn) {
+ bvm->bi_bdev = mdev->ldev->backing_bdev;
backing_limit = b->merge_bvec_fn(b, bvm, bvec);
limit = min(limit, backing_limit);
}
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index d02f761d84ec..02fbbf7be9f9 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -62,47 +62,53 @@ static struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0CF3, 0x3000) },
/* Atheros AR3011 with sflash firmware*/
+ { USB_DEVICE(0x0489, 0xE027) },
+ { USB_DEVICE(0x0489, 0xE03D) },
+ { USB_DEVICE(0x0930, 0x0215) },
{ USB_DEVICE(0x0CF3, 0x3002) },
{ USB_DEVICE(0x0CF3, 0xE019) },
{ USB_DEVICE(0x13d3, 0x3304) },
- { USB_DEVICE(0x0930, 0x0215) },
- { USB_DEVICE(0x0489, 0xE03D) },
- { USB_DEVICE(0x0489, 0xE027) },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03F0, 0x311D) },
/* Atheros AR3012 with sflash firmware*/
+ { USB_DEVICE(0x0489, 0xe04d) },
+ { USB_DEVICE(0x0489, 0xe04e) },
+ { USB_DEVICE(0x0489, 0xe057) },
+ { USB_DEVICE(0x0489, 0xe056) },
+ { USB_DEVICE(0x0489, 0xe078) },
+ { USB_DEVICE(0x04c5, 0x1330) },
+ { USB_DEVICE(0x04CA, 0x3004) },
+ { USB_DEVICE(0x04CA, 0x3005) },
+ { USB_DEVICE(0x04CA, 0x3006) },
+ { USB_DEVICE(0x04CA, 0x3008) },
+ { USB_DEVICE(0x04CA, 0x3010) },
+ { USB_DEVICE(0x0930, 0x0219) },
+ { USB_DEVICE(0x0930, 0x0227) },
+ { USB_DEVICE(0x0b05, 0x17d0) },
{ USB_DEVICE(0x0CF3, 0x0036) },
{ USB_DEVICE(0x0CF3, 0x3004) },
{ USB_DEVICE(0x0CF3, 0x3008) },
{ USB_DEVICE(0x0CF3, 0x311D) },
+ { USB_DEVICE(0x0cf3, 0x3121) },
{ USB_DEVICE(0x0CF3, 0x817a) },
- { USB_DEVICE(0x13d3, 0x3375) },
- { USB_DEVICE(0x04CA, 0x3004) },
- { USB_DEVICE(0x04CA, 0x3005) },
- { USB_DEVICE(0x04CA, 0x3006) },
- { USB_DEVICE(0x04CA, 0x3008) },
- { USB_DEVICE(0x13d3, 0x3362) },
+ { USB_DEVICE(0x0cf3, 0xe003) },
{ USB_DEVICE(0x0CF3, 0xE004) },
{ USB_DEVICE(0x0CF3, 0xE005) },
- { USB_DEVICE(0x0930, 0x0219) },
- { USB_DEVICE(0x0489, 0xe057) },
+ { USB_DEVICE(0x13d3, 0x3362) },
+ { USB_DEVICE(0x13d3, 0x3375) },
{ USB_DEVICE(0x13d3, 0x3393) },
- { USB_DEVICE(0x0489, 0xe04e) },
- { USB_DEVICE(0x0489, 0xe056) },
- { USB_DEVICE(0x0489, 0xe04d) },
- { USB_DEVICE(0x04c5, 0x1330) },
{ USB_DEVICE(0x13d3, 0x3402) },
- { USB_DEVICE(0x0cf3, 0x3121) },
- { USB_DEVICE(0x0cf3, 0xe003) },
+ { USB_DEVICE(0x13d3, 0x3408) },
+ { USB_DEVICE(0x13d3, 0x3432) },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE02C) },
/* Atheros AR5BBU22 with sflash firmware */
- { USB_DEVICE(0x0489, 0xE03C) },
{ USB_DEVICE(0x0489, 0xE036) },
+ { USB_DEVICE(0x0489, 0xE03C) },
{ } /* Terminating entry */
};
@@ -115,29 +121,35 @@ MODULE_DEVICE_TABLE(usb, ath3k_table);
static struct usb_device_id ath3k_blist_tbl[] = {
/* Atheros AR3012 with sflash firmware*/
+ { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU22 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
@@ -149,6 +161,8 @@ static struct usb_device_id ath3k_blist_tbl[] = {
#define USB_REQ_DFU_DNLOAD 1
#define BULK_SIZE 4096
#define FW_HDR_SIZE 20
+#define TIMEGAP_USEC_MIN 50
+#define TIMEGAP_USEC_MAX 100
static int ath3k_load_firmware(struct usb_device *udev,
const struct firmware *firmware)
@@ -179,6 +193,9 @@ static int ath3k_load_firmware(struct usb_device *udev,
count -= 20;
while (count) {
+ /* workaround the compatibility issue with xHCI controller*/
+ usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
+
size = min_t(uint, count, BULK_SIZE);
pipe = usb_sndbulkpipe(udev, 0x02);
memcpy(send_buf, firmware->data + sent, size);
@@ -255,6 +272,9 @@ static int ath3k_load_fwfile(struct usb_device *udev,
count -= size;
while (count) {
+ /* workaround the compatibility issue with xHCI controller*/
+ usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
+
size = min_t(uint, count, BULK_SIZE);
pipe = usb_sndbulkpipe(udev, 0x02);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 155a61841e2b..ddb2b873a112 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -55,6 +55,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_BROKEN_ISOC 0x20
#define BTUSB_WRONG_SCO_MTU 0x40
#define BTUSB_ATH3012 0x80
+#define BTUSB_INTEL_BOOT 0x200
static struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -107,18 +108,25 @@ static struct usb_device_id btusb_table[] = {
{ USB_DEVICE(0x0c10, 0x0000) },
/* Broadcom BCM20702A0 */
+ { USB_DEVICE(0x0489, 0xe042) },
+ { USB_DEVICE(0x04ca, 0x2003) },
{ USB_DEVICE(0x0b05, 0x17b5) },
{ USB_DEVICE(0x0b05, 0x17cb) },
- { USB_DEVICE(0x04ca, 0x2003) },
- { USB_DEVICE(0x0489, 0xe042) },
{ USB_DEVICE(0x413c, 0x8197) },
/* Foxconn - Hon Hai */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
- /*Broadcom devices with vendor specific id */
+ /* Broadcom devices with vendor specific id */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+ /* ASUSTek Computer - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) },
+
+ /* Intel Bluetooth USB Bootloader (RAM module) */
+ { USB_DEVICE(0x8087, 0x0a5a),
+ .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
+
{ } /* Terminating entry */
};
@@ -132,52 +140,58 @@ static struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
/* Atheros 3011 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
- { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
/* Atheros 3012 with sflash firmware */
+ { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
- { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
/* Atheros AR5BBU12 with sflash firmware */
- { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
/* Broadcom BCM2035 */
- { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
- { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
+ { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
+ { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
/* Broadcom BCM2045 */
{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -1050,6 +1064,9 @@ static int btusb_probe(struct usb_interface *intf,
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
+ if (id->driver_info & BTUSB_INTEL_BOOT)
+ set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+
/* Interface numbers are hardcoded in the specification */
data->isoc = usb_ifnum_to_if(data->udev, 1);
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 112c16e08471..7cb3cb94c672 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -60,6 +60,7 @@ struct gpio_desc {
#define FLAG_ACTIVE_LOW 7 /* sysfs value has active low */
#define FLAG_OPEN_DRAIN 8 /* Gpio is open drain type */
#define FLAG_OPEN_SOURCE 9 /* Gpio is open source type */
+#define FLAG_SYSFS_DIR 10 /* show sysfs direction attribute */
#define ID_SHIFT 16 /* add new flags before this one */
@@ -319,7 +320,7 @@ static ssize_t gpio_value_store(struct device *dev,
return status;
}
-static const DEVICE_ATTR(value, 0644,
+static DEVICE_ATTR(value, 0644,
gpio_value_show, gpio_value_store);
static irqreturn_t gpio_sysfs_irq(int irq, void *priv)
@@ -542,17 +543,47 @@ static ssize_t gpio_active_low_store(struct device *dev,
return status ? : size;
}
-static const DEVICE_ATTR(active_low, 0644,
+static DEVICE_ATTR(active_low, 0644,
gpio_active_low_show, gpio_active_low_store);
-static const struct attribute *gpio_attrs[] = {
+static umode_t gpio_is_visible(struct kobject *kobj, struct attribute *attr,
+ int n)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct gpio_desc *desc = dev_get_drvdata(dev);
+ unsigned gpio = desc - gpio_desc;
+ umode_t mode = attr->mode;
+ bool show_direction = test_bit(FLAG_SYSFS_DIR, &desc->flags);
+
+ if (attr == &dev_attr_direction.attr) {
+ if (!show_direction)
+ mode = 0;
+ } else if (attr == &dev_attr_edge.attr) {
+ if (gpio_to_irq(gpio) < 0)
+ mode = 0;
+ if (!show_direction && test_bit(FLAG_IS_OUT, &desc->flags))
+ mode = 0;
+ }
+
+ return mode;
+}
+
+static struct attribute *gpio_attrs[] = {
+ &dev_attr_direction.attr,
+ &dev_attr_edge.attr,
&dev_attr_value.attr,
&dev_attr_active_low.attr,
NULL,
};
-static const struct attribute_group gpio_attr_group = {
- .attrs = (struct attribute **) gpio_attrs,
+static const struct attribute_group gpio_group = {
+ .attrs = gpio_attrs,
+ .is_visible = gpio_is_visible,
+};
+
+static const struct attribute_group *gpio_groups[] = {
+ &gpio_group,
+ NULL
};
/*
@@ -589,16 +620,13 @@ static ssize_t chip_ngpio_show(struct device *dev,
}
static DEVICE_ATTR(ngpio, 0444, chip_ngpio_show, NULL);
-static const struct attribute *gpiochip_attrs[] = {
+static struct attribute *gpiochip_attrs[] = {
&dev_attr_base.attr,
&dev_attr_label.attr,
&dev_attr_ngpio.attr,
NULL,
};
-
-static const struct attribute_group gpiochip_attr_group = {
- .attrs = (struct attribute **) gpiochip_attrs,
-};
+ATTRIBUTE_GROUPS(gpiochip);
/*
* /sys/class/gpio/export ... write-only
@@ -704,8 +732,9 @@ int gpio_export(unsigned gpio, bool direction_may_change)
{
unsigned long flags;
struct gpio_desc *desc;
- int status = -EINVAL;
+ int status;
const char *ioname = NULL;
+ struct device *dev;
/* can't export until sysfs is available ... */
if (!gpio_class.p) {
@@ -713,59 +742,50 @@ int gpio_export(unsigned gpio, bool direction_may_change)
return -ENOENT;
}
- if (!gpio_is_valid(gpio))
- goto done;
+ if (!gpio_is_valid(gpio)) {
+ pr_debug("%s: gpio %d is not valid\n", __func__, gpio);
+ return -EINVAL;
+ }
mutex_lock(&sysfs_lock);
spin_lock_irqsave(&gpio_lock, flags);
desc = &gpio_desc[gpio];
- if (test_bit(FLAG_REQUESTED, &desc->flags)
- && !test_bit(FLAG_EXPORT, &desc->flags)) {
- status = 0;
- if (!desc->chip->direction_input
- || !desc->chip->direction_output)
- direction_may_change = false;
+ if (!test_bit(FLAG_REQUESTED, &desc->flags) ||
+ test_bit(FLAG_EXPORT, &desc->flags)) {
+ spin_unlock_irqrestore(&gpio_lock, flags);
+ pr_debug("%s: gpio %d unavailable (requested=%d, exported=%d)\n",
+ __func__, gpio,
+ test_bit(FLAG_REQUESTED, &desc->flags),
+ test_bit(FLAG_EXPORT, &desc->flags));
+ return -EPERM;
}
+
+ if (desc->chip->direction_input && desc->chip->direction_output &&
+ direction_may_change) {
+ set_bit(FLAG_SYSFS_DIR, &desc->flags);
+ }
+
spin_unlock_irqrestore(&gpio_lock, flags);
if (desc->chip->names && desc->chip->names[gpio - desc->chip->base])
ioname = desc->chip->names[gpio - desc->chip->base];
- if (status == 0) {
- struct device *dev;
-
- dev = device_create(&gpio_class, desc->chip->dev, MKDEV(0, 0),
- desc, ioname ? ioname : "gpio%u", gpio);
- if (!IS_ERR(dev)) {
- status = sysfs_create_group(&dev->kobj,
- &gpio_attr_group);
-
- if (!status && direction_may_change)
- status = device_create_file(dev,
- &dev_attr_direction);
-
- if (!status && gpio_to_irq(gpio) >= 0
- && (direction_may_change
- || !test_bit(FLAG_IS_OUT,
- &desc->flags)))
- status = device_create_file(dev,
- &dev_attr_edge);
-
- if (status != 0)
- device_unregister(dev);
- } else
- status = PTR_ERR(dev);
- if (status == 0)
- set_bit(FLAG_EXPORT, &desc->flags);
+ dev = device_create_with_groups(&gpio_class, desc->chip->dev,
+ MKDEV(0, 0), desc, gpio_groups,
+ ioname ? ioname : "gpio%u", gpio);
+ if (IS_ERR(dev)) {
+ status = PTR_ERR(dev);
+ goto fail_unlock;
}
+ set_bit(FLAG_EXPORT, &desc->flags);
mutex_unlock(&sysfs_lock);
+ return 0;
-done:
- if (status)
- pr_debug("%s: gpio%d status %d\n", __func__, gpio, status);
-
+fail_unlock:
+ mutex_unlock(&sysfs_lock);
+ pr_debug("%s: gpio%d status %d\n", __func__, gpio, status);
return status;
}
EXPORT_SYMBOL_GPL(gpio_export);
@@ -805,6 +825,7 @@ int gpio_export_link(struct device *dev, const char *name, unsigned gpio)
if (tdev != NULL) {
status = sysfs_create_link(&dev->kobj, &tdev->kobj,
name);
+ put_device(tdev);
} else {
status = -ENODEV;
}
@@ -855,7 +876,7 @@ int gpio_sysfs_set_active_low(unsigned gpio, int value)
}
status = sysfs_set_active_low(desc, dev, value);
-
+ put_device(dev);
unlock:
mutex_unlock(&sysfs_lock);
@@ -893,6 +914,7 @@ void gpio_unexport(unsigned gpio)
dev = class_find_device(&gpio_class, NULL, desc, match_export);
if (dev) {
gpio_setup_irq(desc, dev, 0);
+ clear_bit(FLAG_SYSFS_DIR, &desc->flags);
clear_bit(FLAG_EXPORT, &desc->flags);
} else
status = -ENODEV;
@@ -924,13 +946,13 @@ static int gpiochip_export(struct gpio_chip *chip)
/* use chip->base for the ID; it's already known to be unique */
mutex_lock(&sysfs_lock);
- dev = device_create(&gpio_class, chip->dev, MKDEV(0, 0), chip,
- "gpiochip%d", chip->base);
- if (!IS_ERR(dev)) {
- status = sysfs_create_group(&dev->kobj,
- &gpiochip_attr_group);
- } else
+ dev = device_create_with_groups(&gpio_class, chip->dev, MKDEV(0, 0),
+ chip, gpiochip_groups,
+ "gpiochip%d", chip->base);
+ if (IS_ERR(dev))
status = PTR_ERR(dev);
+ else
+ status = 0;
chip->exported = (status == 0);
mutex_unlock(&sysfs_lock);
@@ -1081,19 +1103,18 @@ int gpiochip_add(struct gpio_chip *chip)
? (1 << FLAG_IS_OUT)
: 0;
}
- }
- of_gpiochip_add(chip);
+ of_gpiochip_add(chip);
+ }
unlock:
spin_unlock_irqrestore(&gpio_lock, flags);
- if (status)
- goto fail;
-
status = gpiochip_export(chip);
- if (status)
+ if (status) {
+ of_gpiochip_remove(chip);
goto fail;
+ }
pr_info("gpiochip_add: registered GPIOs %d to %d on device: %s\n",
chip->base, chip->base + chip->ngpio - 1,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2ac4ded0de99..b1f1d105e8c7 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2193,6 +2193,13 @@ static int sandybridge_write_fence_reg(struct drm_i915_gem_object *obj,
int regnum = obj->fence_reg;
uint64_t val;
+ /* Adjust fence size to match tiled area */
+ if (obj->tiling_mode != I915_TILING_NONE) {
+ uint32_t row_size = obj->stride *
+ (obj->tiling_mode == I915_TILING_Y ? 32 : 8);
+ size = (size / row_size) * row_size;
+ }
+
val = (uint64_t)((obj->gtt_offset + size - 4096) &
0xfffff000) << 32;
val |= obj->gtt_offset & 0xfffff000;
@@ -2230,6 +2237,13 @@ static int i965_write_fence_reg(struct drm_i915_gem_object *obj,
int regnum = obj->fence_reg;
uint64_t val;
+ /* Adjust fence size to match tiled area */
+ if (obj->tiling_mode != I915_TILING_NONE) {
+ uint32_t row_size = obj->stride *
+ (obj->tiling_mode == I915_TILING_Y ? 32 : 8);
+ size = (size / row_size) * row_size;
+ }
+
val = (uint64_t)((obj->gtt_offset + size - 4096) &
0xfffff000) << 32;
val |= obj->gtt_offset & 0xfffff000;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 77190cc774cb..3febe292034a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -932,6 +932,17 @@ bool intel_lvds_init(struct drm_device *dev)
int pipe;
u8 pin;
+ /*
+ * Unlock registers and just leave them unlocked. Do this before
+ * checking quirk lists to avoid bogus WARNINGs.
+ */
+ if (HAS_PCH_SPLIT(dev)) {
+ I915_WRITE(PCH_PP_CONTROL,
+ I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
+ } else {
+ I915_WRITE(PP_CONTROL,
+ I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
+ }
if (!intel_lvds_supported(dev))
return false;
@@ -1109,19 +1120,6 @@ out:
pwm = I915_READ(BLC_PWM_PCH_CTL1);
pwm |= PWM_PCH_ENABLE;
I915_WRITE(BLC_PWM_PCH_CTL1, pwm);
- /*
- * Unlock registers and just
- * leave them unlocked
- */
- I915_WRITE(PCH_PP_CONTROL,
- I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
- } else {
- /*
- * Unlock registers and just
- * leave them unlocked
- */
- I915_WRITE(PP_CONTROL,
- I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
}
dev_priv->lid_notifier.notifier_call = intel_lid_notify;
if (acpi_lid_notifier_register(&dev_priv->lid_notifier)) {
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 9b46238b9692..b7316869f59e 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -428,6 +428,8 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
/* Get associated drm_crtc: */
drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
+ if (!drmcrtc)
+ return -EINVAL;
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 49b55edc55b6..15042d0ca035 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -188,7 +188,7 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo,
rbo = container_of(bo, struct radeon_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
- if (rbo->rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready == false)
+ if (rbo->rdev->ring[radeon_copy_ring_index(rbo->rdev)].ready == false)
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_CPU);
else
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 7e0743358dff..992b46bbadfb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -485,14 +485,7 @@ void vmw_fence_obj_flush(struct vmw_fence_obj *fence)
static void vmw_fence_destroy(struct vmw_fence_obj *fence)
{
- struct vmw_fence_manager *fman = fence->fman;
-
kfree(fence);
- /*
- * Free kernel space accounting.
- */
- ttm_mem_global_free(vmw_mem_glob(fman->dev_priv),
- fman->fence_size);
}
int vmw_fence_create(struct vmw_fence_manager *fman,
@@ -500,20 +493,12 @@ int vmw_fence_create(struct vmw_fence_manager *fman,
uint32_t mask,
struct vmw_fence_obj **p_fence)
{
- struct ttm_mem_global *mem_glob = vmw_mem_glob(fman->dev_priv);
struct vmw_fence_obj *fence;
int ret;
- ret = ttm_mem_global_alloc(mem_glob, fman->fence_size,
- false, false);
- if (unlikely(ret != 0))
- return ret;
-
fence = kzalloc(sizeof(*fence), GFP_KERNEL);
- if (unlikely(fence == NULL)) {
- ret = -ENOMEM;
- goto out_no_object;
- }
+ if (unlikely(fence == NULL))
+ return -ENOMEM;
ret = vmw_fence_obj_init(fman, fence, seqno, mask,
vmw_fence_destroy);
@@ -525,8 +510,6 @@ int vmw_fence_create(struct vmw_fence_manager *fman,
out_err_init:
kfree(fence);
-out_no_object:
- ttm_mem_global_free(mem_glob, fman->fence_size);
return ret;
}
@@ -1049,6 +1032,8 @@ int vmw_event_fence_action_create(struct drm_file *file_priv,
if (ret != 0)
goto out_no_queue;
+ return 0;
+
out_no_queue:
event->base.destroy(&event->base);
out_no_event:
@@ -1123,17 +1108,10 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
BUG_ON(fence == NULL);
- if (arg->flags & DRM_VMW_FE_FLAG_REQ_TIME)
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
- else
- ret = vmw_event_fence_action_create(file_priv, fence,
- arg->flags,
- arg->user_data,
- true);
-
+ ret = vmw_event_fence_action_create(file_priv, fence,
+ arg->flags,
+ arg->user_data,
+ true);
if (unlikely(ret != 0)) {
if (ret != -ERESTARTSYS)
DRM_ERROR("Failed to attach event to fence.\n");
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index df05c1b1064f..53466474b420 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -35,6 +35,8 @@ static struct class *pyra_class;
static void profile_activated(struct pyra_device *pyra,
unsigned int new_profile)
{
+ if (new_profile >= ARRAY_SIZE(pyra->profile_settings))
+ return;
pyra->actual_profile = new_profile;
pyra->actual_cpi = pyra->profile_settings[pyra->actual_profile].y_cpi;
}
@@ -299,10 +301,15 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
int retval = 0;
int difference;
struct pyra_roccat_report roccat_report;
+ struct pyra_settings const *settings;
if (off != 0 || count != sizeof(struct pyra_settings))
return -EINVAL;
+ settings = (struct pyra_settings const *)buf;
+ if (settings->startup_profile >= ARRAY_SIZE(pyra->profile_settings))
+ return -EINVAL;
+
mutex_lock(&pyra->pyra_lock);
difference = memcmp(buf, &pyra->settings, sizeof(struct pyra_settings));
if (difference) {
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 10619b34bd31..1ec309dbacde 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -681,7 +681,7 @@ int vmbus_device_register(struct hv_device *child_device_obj)
if (ret)
pr_err("Unable to register child device\n");
else
- pr_info("child device %s registered\n",
+ pr_debug("child device %s registered\n",
dev_name(&child_device_obj->device));
return ret;
@@ -693,14 +693,14 @@ int vmbus_device_register(struct hv_device *child_device_obj)
*/
void vmbus_device_unregister(struct hv_device *device_obj)
{
+ pr_debug("child device %s unregistered\n",
+ dev_name(&device_obj->device));
+
/*
* Kick off the process of unregistering the device.
* This will call vmbus_remove() and eventually vmbus_device_release()
*/
device_unregister(&device_obj->device);
-
- pr_info("child device %s unregistered\n",
- dev_name(&device_obj->device));
}
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 79b4bcb3b85c..1837fe6677b9 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -416,11 +416,9 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
if (dev->cmd_err & DAVINCI_I2C_STR_NACK) {
if (msg->flags & I2C_M_IGNORE_NAK)
return msg->len;
- if (stop) {
- w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
- w |= DAVINCI_I2C_MDR_STP;
- davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
- }
+ w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
+ w |= DAVINCI_I2C_MDR_STP;
+ davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
return -EREMOTEIO;
}
return -EIO;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 42f7b257feb0..b4e8db847a34 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -979,9 +979,19 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
}
ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
- usb_fill_bulk_urb(xpad->bulk_out, udev,
- usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
- xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
+ if (usb_endpoint_is_bulk_out(ep_irq_in)) {
+ usb_fill_bulk_urb(xpad->bulk_out, udev,
+ usb_sndbulkpipe(udev,
+ ep_irq_in->bEndpointAddress),
+ xpad->bdata, XPAD_PKT_LEN,
+ xpad_bulk_out, xpad);
+ } else {
+ usb_fill_int_urb(xpad->bulk_out, udev,
+ usb_sndintpipe(udev,
+ ep_irq_in->bEndpointAddress),
+ xpad->bdata, XPAD_PKT_LEN,
+ xpad_bulk_out, xpad, 0);
+ }
/*
* Submit the int URB immediately rather than waiting for open
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index ce715b1bee46..78227f32d6fa 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -408,6 +408,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /* Acer Aspire 7738 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
+ },
+ },
+ {
/* Gericom Bellagio */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
@@ -721,6 +728,35 @@ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
{ }
};
+/*
+ * Some laptops need keyboard reset before probing for the trackpad to get
+ * it detected, initialised & finally work.
+ */
+static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
+ {
+ /* Gigabyte P35 v2 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
+ },
+ },
+ {
+ /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
+ },
+ },
+ {
+ /* Gigabyte P34 - Elantech touchpad */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
+ },
+ },
+ { }
+};
+
#endif /* CONFIG_X86 */
#ifdef CONFIG_PNP
@@ -1001,6 +1037,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_dritek_table))
i8042_dritek = true;
+ if (dmi_check_system(i8042_dmi_kbdreset_table))
+ i8042_kbdreset = true;
+
/*
* A20 was already enabled during early kernel init. But some buggy
* BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 86564414b75a..178e75d6bb06 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -67,6 +67,10 @@ static bool i8042_notimeout;
module_param_named(notimeout, i8042_notimeout, bool, 0);
MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042");
+static bool i8042_kbdreset;
+module_param_named(kbdreset, i8042_kbdreset, bool, 0);
+MODULE_PARM_DESC(kbdreset, "Reset device connected to KBD port");
+
#ifdef CONFIG_X86
static bool i8042_dritek;
module_param_named(dritek, i8042_dritek, bool, 0);
@@ -783,6 +787,16 @@ static int __init i8042_check_aux(void)
return -1;
/*
+ * Reset keyboard (needed on some laptops to successfully detect
+ * touchpad, e.g., some Gigabyte laptop models with Elantech
+ * touchpads).
+ */
+ if (i8042_kbdreset) {
+ pr_warn("Attempting to reset device connected to KBD port\n");
+ i8042_kbd_write(NULL, (unsigned char) 0xff);
+ }
+
+/*
* Test AUX IRQ delivery to make sure BIOS did not grab the IRQ and
* used it for a PCI card or somethig else.
*/
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index dd255c578ad9..28af276cff9f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1792,7 +1792,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
struct dma_pte *first_pte = NULL, *pte = NULL;
phys_addr_t uninitialized_var(pteval);
int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT;
- unsigned long sg_res;
+ unsigned long sg_res = 0;
unsigned int largepage_lvl = 0;
unsigned long lvl_pages = 0;
@@ -1803,10 +1803,8 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
prot &= DMA_PTE_READ | DMA_PTE_WRITE | DMA_PTE_SNP;
- if (sg)
- sg_res = 0;
- else {
- sg_res = nr_pages + 1;
+ if (!sg) {
+ sg_res = nr_pages;
pteval = ((phys_addr_t)phys_pfn << VTD_PAGE_SHIFT) | prot;
}
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 9612264f0e6d..b69d91b50d99 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -263,6 +263,17 @@ static int tc6393xb_ohci_disable(struct platform_device *dev)
return 0;
}
+static int tc6393xb_ohci_suspend(struct platform_device *dev)
+{
+ struct tc6393xb_platform_data *tcpd = dev_get_platdata(dev->dev.parent);
+
+ /* We can't properly store/restore OHCI state, so fail here */
+ if (tcpd->resume_restore)
+ return -EBUSY;
+
+ return tc6393xb_ohci_disable(dev);
+}
+
static int tc6393xb_fb_enable(struct platform_device *dev)
{
struct tc6393xb *tc6393xb = dev_get_drvdata(dev->dev.parent);
@@ -403,7 +414,7 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
.num_resources = ARRAY_SIZE(tc6393xb_ohci_resources),
.resources = tc6393xb_ohci_resources,
.enable = tc6393xb_ohci_enable,
- .suspend = tc6393xb_ohci_disable,
+ .suspend = tc6393xb_ohci_suspend,
.resume = tc6393xb_ohci_enable,
.disable = tc6393xb_ohci_disable,
},
diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index 425bf5a3edd4..068a2466d060 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -135,6 +135,10 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol,
ubi_assert(!vol->updating && !vol->changing_leb);
vol->updating = 1;
+ vol->upd_buf = vmalloc(ubi->leb_size);
+ if (!vol->upd_buf)
+ return -ENOMEM;
+
err = set_update_marker(ubi, vol);
if (err)
return err;
@@ -154,14 +158,12 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol,
err = clear_update_marker(ubi, vol, 0);
if (err)
return err;
+
+ vfree(vol->upd_buf);
vol->updating = 0;
return 0;
}
- vol->upd_buf = vmalloc(ubi->leb_size);
- if (!vol->upd_buf)
- return -ENOMEM;
-
vol->upd_ebs = div_u64(bytes + vol->usable_leb_size - 1,
vol->usable_leb_size);
vol->upd_bytes = bytes;
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index d4f7f9537db2..88c39e42cf5a 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -612,10 +612,14 @@ static int can_changelink(struct net_device *dev,
if (dev->flags & IFF_UP)
return -EBUSY;
cm = nla_data(data[IFLA_CAN_CTRLMODE]);
- if (cm->flags & ~priv->ctrlmode_supported)
+
+ /* check whether changed bits are allowed to be modified */
+ if (cm->mask & ~priv->ctrlmode_supported)
return -EOPNOTSUPP;
+
+ /* clear bits to be modified and copy the flag values */
priv->ctrlmode &= ~cm->mask;
- priv->ctrlmode |= cm->flags;
+ priv->ctrlmode |= (cm->flags & cm->mask);
}
if (data[IFLA_CAN_BITTIMING]) {
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index d2f91f737871..925c7e16a1c0 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -737,7 +737,7 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
dev_err(&intf->dev, "%s: couldn't alloc cmd buffer\n",
PCAN_USB_DRIVER_NAME);
err = -ENOMEM;
- goto lbl_set_intf_data;
+ goto lbl_free_candev;
}
dev->udev = usb_dev;
@@ -776,7 +776,7 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
err = register_candev(netdev);
if (err) {
dev_err(&intf->dev, "couldn't register CAN device: %d\n", err);
- goto lbl_free_cmd_buf;
+ goto lbl_restore_intf_data;
}
if (dev->prev_siblings)
@@ -789,14 +789,14 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
if (dev->adapter->dev_init) {
err = dev->adapter->dev_init(dev);
if (err)
- goto lbl_free_cmd_buf;
+ goto lbl_unregister_candev;
}
/* set bus off */
if (dev->adapter->dev_set_bus) {
err = dev->adapter->dev_set_bus(dev, 0);
if (err)
- goto lbl_free_cmd_buf;
+ goto lbl_unregister_candev;
}
/* get device number early */
@@ -808,11 +808,14 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
return 0;
-lbl_free_cmd_buf:
- kfree(dev->cmd_buf);
+lbl_unregister_candev:
+ unregister_candev(netdev);
-lbl_set_intf_data:
+lbl_restore_intf_data:
usb_set_intfdata(intf, dev->prev_siblings);
+ kfree(dev->cmd_buf);
+
+lbl_free_candev:
free_candev(netdev);
return err;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index c95913a09737..5fe28be94de1 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -333,8 +333,6 @@ static int pcan_usb_pro_send_req(struct peak_usb_device *dev, int req_id,
if (!(dev->state & PCAN_USB_STATE_CONNECTED))
return 0;
- memset(req_addr, '\0', req_size);
-
req_type = USB_TYPE_VENDOR | USB_RECIP_OTHER;
switch (req_id) {
@@ -345,6 +343,7 @@ static int pcan_usb_pro_send_req(struct peak_usb_device *dev, int req_id,
default:
p = usb_rcvctrlpipe(dev->udev, 0);
req_type |= USB_DIR_IN;
+ memset(req_addr, '\0', req_size);
break;
}
diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c
index 30b50f934172..19ba20473cd7 100644
--- a/drivers/net/wireless/ath/ath5k/qcu.c
+++ b/drivers/net/wireless/ath/ath5k/qcu.c
@@ -223,13 +223,7 @@ ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type,
} else {
switch (queue_type) {
case AR5K_TX_QUEUE_DATA:
- for (queue = AR5K_TX_QUEUE_ID_DATA_MIN;
- ah->ah_txq[queue].tqi_type !=
- AR5K_TX_QUEUE_INACTIVE; queue++) {
-
- if (queue > AR5K_TX_QUEUE_ID_DATA_MAX)
- return -EINVAL;
- }
+ queue = queue_info->tqi_subtype;
break;
case AR5K_TX_QUEUE_UAPSD:
queue = AR5K_TX_QUEUE_ID_UAPSD;
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f49be96aba75..d4f09b4088b5 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -181,8 +181,8 @@
#define PAPRD_IDEAL_AGC2_PWR_RANGE 0xe0
enum ath_hw_txq_subtype {
- ATH_TXQ_AC_BE = 0,
- ATH_TXQ_AC_BK = 1,
+ ATH_TXQ_AC_BK = 0,
+ ATH_TXQ_AC_BE = 1,
ATH_TXQ_AC_VI = 2,
ATH_TXQ_AC_VO = 3,
};
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index f7bd2532269c..2d628f97e18c 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -303,14 +303,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
q = ATH9K_NUM_TX_QUEUES - 3;
break;
case ATH9K_TX_QUEUE_DATA:
- for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
- if (ah->txq[q].tqi_type ==
- ATH9K_TX_QUEUE_INACTIVE)
- break;
- if (q == ATH9K_NUM_TX_QUEUES) {
- ath_err(common, "No available TX queue\n");
- return -1;
- }
+ q = qinfo->tqi_subtype;
break;
default:
ath_err(common, "Invalid TX queue type: %u\n", type);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 63e0199f7c78..d62ad0b1516d 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -254,14 +254,17 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= IORESOURCE_SIZEALIGN;
if (res->flags & IORESOURCE_IO) {
l &= PCI_BASE_ADDRESS_IO_MASK;
+ sz &= PCI_BASE_ADDRESS_IO_MASK;
mask = PCI_BASE_ADDRESS_IO_MASK & (u32) IO_SPACE_LIMIT;
} else {
l &= PCI_BASE_ADDRESS_MEM_MASK;
+ sz &= PCI_BASE_ADDRESS_MEM_MASK;
mask = (u32)PCI_BASE_ADDRESS_MEM_MASK;
}
} else {
res->flags |= (l & IORESOURCE_ROM_ENABLE);
l &= PCI_ROM_ADDRESS_MASK;
+ sz &= PCI_ROM_ADDRESS_MASK;
mask = (u32)PCI_ROM_ADDRESS_MASK;
}
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e587d0035a74..ffde183ac1b3 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -327,19 +327,52 @@ static void __devinit quirk_s3_64M(struct pci_dev *dev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_868, quirk_s3_64M);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S3, PCI_DEVICE_ID_S3_968, quirk_s3_64M);
+static void quirk_io(struct pci_dev *dev, int pos, unsigned size,
+ const char *name)
+{
+ u32 region;
+ struct pci_bus_region bus_region;
+ struct resource *res = dev->resource + pos;
+
+ pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + (pos << 2), ®ion);
+
+ if (!region)
+ return;
+
+ res->name = pci_name(dev);
+ res->flags = region & ~PCI_BASE_ADDRESS_IO_MASK;
+ res->flags |=
+ (IORESOURCE_IO | IORESOURCE_PCI_FIXED | IORESOURCE_SIZEALIGN);
+ region &= ~(size - 1);
+
+ /* Convert from PCI bus to resource space */
+ bus_region.start = region;
+ bus_region.end = region + size - 1;
+ pcibios_bus_to_resource(dev->bus, res, &bus_region);
+
+ dev_info(&dev->dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
+ name, PCI_BASE_ADDRESS_0 + (pos << 2), res);
+}
+
/*
* Some CS5536 BIOSes (for example, the Soekris NET5501 board w/ comBIOS
* ver. 1.33 20070103) don't set the correct ISA PCI region header info.
* BAR0 should be 8 bytes; instead, it may be set to something like 8k
* (which conflicts w/ BAR1's memory range).
+ *
+ * CS553x's ISA PCI BARs may also be read-only (ref:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=85991 - Comment #4 forward).
*/
static void __devinit quirk_cs5536_vsa(struct pci_dev *dev)
{
+ static char *name = "CS5536 ISA bridge";
+
if (pci_resource_len(dev, 0) != 8) {
- struct resource *res = &dev->resource[0];
- res->end = res->start + 8 - 1;
- dev_info(&dev->dev, "CS5536 ISA bridge bug detected "
- "(incorrect header); workaround applied.\n");
+ quirk_io(dev, 0, 8, name); /* SMB */
+ quirk_io(dev, 1, 256, name); /* GPIO */
+ quirk_io(dev, 2, 64, name); /* MFGPT */
+ dev_info(&dev->dev, "%s bug detected (incorrect header); workaround applied\n",
+ name);
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA, quirk_cs5536_vsa);
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 0076feae0ce3..be6b6482da57 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -237,6 +237,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = {
AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap),
AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap),
AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted),
+ AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted),
{ NULL, }
/* Laptop models without axis info (yet):
* "NC6910" "HP Compaq 6910"
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c18f0fd1577f..0d71557cf7a3 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1395,12 +1395,14 @@ void regulator_put(struct regulator *regulator)
device_remove_file(regulator->dev, ®ulator->dev_attr);
kfree(regulator->dev_attr.attr.name);
}
+ mutex_lock(&rdev->mutex);
kfree(regulator->supply_name);
list_del(®ulator->list);
kfree(regulator);
rdev->open_count--;
rdev->exclusive = 0;
+ mutex_unlock(&rdev->mutex);
module_put(rdev->owner);
mutex_unlock(®ulator_list_mutex);
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 4f9f1dcc1551..fa47d8de304a 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -997,12 +997,26 @@ static int tty3215_write(struct tty_struct * tty,
const unsigned char *buf, int count)
{
struct raw3215_info *raw;
+ int i, written;
if (!tty)
return 0;
raw = (struct raw3215_info *) tty->driver_data;
- raw3215_write(raw, buf, count);
- return count;
+ written = count;
+ while (count > 0) {
+ for (i = 0; i < count; i++)
+ if (buf[i] == '\t' || buf[i] == '\n')
+ break;
+ raw3215_write(raw, buf, i);
+ count -= i;
+ buf += i;
+ if (count > 0) {
+ raw3215_putchar(raw, *buf);
+ count--;
+ buf++;
+ }
+ }
+ return written;
}
/*
@@ -1149,7 +1163,7 @@ static int __init tty3215_init(void)
driver->subtype = SYSTEM_TYPE_TTY;
driver->init_termios = tty_std_termios;
driver->init_termios.c_iflag = IGNBRK | IGNPAR;
- driver->init_termios.c_oflag = ONLCR | XTABS;
+ driver->init_termios.c_oflag = ONLCR;
driver->init_termios.c_lflag = ISIG;
driver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(driver, &tty3215_ops);
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 165e4dd865d9..a57f85ac96c8 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -2662,14 +2662,14 @@ static void NCR5380_dma_complete(NCR5380_instance * instance) {
*
* Purpose : abort a command
*
- * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
- * host byte of the result field to, if zero DID_ABORTED is
+ * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
+ * host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
- * XXX - there is no way to abort the command that is currently
- * connected, you have to wait for it to complete. If this is
+ * XXX - there is no way to abort the command that is currently
+ * connected, you have to wait for it to complete. If this is
* a problem, we could implement longjmp() / setjmp(), setjmp()
* called where the loop started in NCR5380_main().
*
@@ -2719,7 +2719,7 @@ static int NCR5380_abort(Scsi_Cmnd * cmd) {
* aborted flag and get back into our main loop.
*/
- return 0;
+ return SUCCESS;
}
#endif
diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c
index a3e6ed353917..d0fa3e7196d6 100644
--- a/drivers/scsi/aha1740.c
+++ b/drivers/scsi/aha1740.c
@@ -550,7 +550,7 @@ static int aha1740_eh_abort_handler (Scsi_Cmnd *dummy)
* quiet as possible...
*/
- return 0;
+ return SUCCESS;
}
static struct scsi_host_template aha1740_template = {
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 2db79b469d9e..589c2a3f629a 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -2638,7 +2638,7 @@ static void NCR5380_reselect(struct Scsi_Host *instance)
* host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
* XXX - there is no way to abort the command that is currently
* connected, you have to wait for it to complete. If this is
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index c1c6a92a0b98..cabfbf359988 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -406,6 +406,7 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
struct fc_frame_header *fh;
struct fcoe_rcv_info *fr;
struct fcoe_percpu_s *bg;
+ struct sk_buff *tmp_skb;
unsigned short oxid;
interface = container_of(ptype, struct bnx2fc_interface,
@@ -417,6 +418,12 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
goto err;
}
+ tmp_skb = skb_share_check(skb, GFP_ATOMIC);
+ if (!tmp_skb)
+ goto err;
+
+ skb = tmp_skb;
+
if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
goto err;
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 4d39a9ffc081..152fe62d7c80 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -1967,7 +1967,7 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
cmd->device->id, cmd->device->lun);
if(list_empty(&adapter->pending_list))
- return FALSE;
+ return FAILED;
list_for_each_safe(pos, next, &adapter->pending_list) {
@@ -1990,7 +1990,7 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
(aor==SCB_ABORT) ? "ABORTING":"RESET",
scb->idx);
- return FALSE;
+ return FAILED;
}
else {
@@ -2015,12 +2015,12 @@ megaraid_abort_and_reset(adapter_t *adapter, Scsi_Cmnd *cmd, int aor)
list_add_tail(SCSI_LIST(cmd),
&adapter->completed_list);
- return TRUE;
+ return SUCCESS;
}
}
}
- return FALSE;
+ return FAILED;
}
static inline int
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 618870033dd0..bacd344f4626 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -919,7 +919,7 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
abort_fr->abort_mfi_phys_addr_hi = 0;
cmd->sync_cmd = 1;
- cmd->cmd_status = 0xFF;
+ cmd->cmd_status = ENODATA;
instance->instancet->issue_dcmd(instance, cmd);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 05973a491310..7f6746a642e6 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2238,7 +2238,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
}
sdkp->DPOFUA = (data.device_specific & 0x10) != 0;
- if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
+ if (sdp->broken_fua) {
+ sd_printk(KERN_NOTICE, sdkp, "Disabling FUA\n");
+ sdkp->DPOFUA = 0;
+ } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) {
sd_printk(KERN_NOTICE, sdkp,
"Uses READ/WRITE(6), disabling FUA\n");
sdkp->DPOFUA = 0;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 446c02379c80..a0df0fbf2db9 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1359,13 +1359,12 @@ static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd)
if (ret == -EAGAIN) {
/* no more space */
- if (cmd_request->bounce_sgl_count) {
+ if (cmd_request->bounce_sgl_count)
destroy_bounce_buffer(cmd_request->bounce_sgl,
cmd_request->bounce_sgl_count);
- ret = SCSI_MLQUEUE_DEVICE_BUSY;
- goto queue_error;
- }
+ ret = SCSI_MLQUEUE_DEVICE_BUSY;
+ goto queue_error;
}
return 0;
diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 7e12a2e4e0a3..9aaf0840d0ac 100644
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -2624,15 +2624,15 @@ static void NCR5380_reselect (struct Scsi_Host *instance)
* Purpose : abort a command
*
* Inputs : cmd - the struct scsi_cmnd to abort, code - code to set the
- * host byte of the result field to, if zero DID_ABORTED is
+ * host byte of the result field to, if zero DID_ABORTED is
* used.
*
- * Returns : 0 - success, -1 on failure.
+ * Returns : SUCCESS - success, FAILED on failure.
*
- * XXX - there is no way to abort the command that is currently
- * connected, you have to wait for it to complete. If this is
+ * XXX - there is no way to abort the command that is currently
+ * connected, you have to wait for it to complete. If this is
* a problem, we could implement longjmp() / setjmp(), setjmp()
- * called where the loop started in NCR5380_main().
+ * called where the loop started in NCR5380_main().
*/
static int NCR5380_abort(struct scsi_cmnd *cmd)
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index efc494a65b43..f15f6241671a 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -219,7 +219,6 @@ int dw_spi_mid_init(struct dw_spi *dws)
iounmap(clk_reg);
dws->num_cs = 16;
- dws->fifo_len = 40; /* FIFO has 40 words buffer */
#ifdef CONFIG_SPI_DW_MID_DMA
dws->dma_priv = kzalloc(sizeof(struct mid_dma), GFP_KERNEL);
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index d1a495f64e2d..cce2d7b90aad 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -394,9 +394,6 @@ static void pump_transfers(unsigned long data)
chip = dws->cur_chip;
spi = message->spi;
- if (unlikely(!chip->clk_div))
- chip->clk_div = dws->max_freq / chip->speed_hz;
-
if (message->state == ERROR_STATE) {
message->status = -EIO;
goto early_exit;
@@ -438,7 +435,7 @@ static void pump_transfers(unsigned long data)
if (transfer->speed_hz) {
speed = chip->speed_hz;
- if (transfer->speed_hz != speed) {
+ if ((transfer->speed_hz != speed) || (!chip->clk_div)) {
speed = transfer->speed_hz;
if (speed > dws->max_freq) {
printk(KERN_ERR "MRST SPI0: unsupported"
@@ -677,7 +674,6 @@ static int dw_spi_setup(struct spi_device *spi)
dev_err(&spi->dev, "No max speed HZ parameter\n");
return -EINVAL;
}
- chip->speed_hz = spi->max_speed_hz;
chip->tmode = 0; /* Tx & Rx */
/* Default SPI mode is SCPOL = 0, SCPH = 0 */
@@ -784,13 +780,13 @@ static void spi_hw_init(struct dw_spi *dws)
*/
if (!dws->fifo_len) {
u32 fifo;
- for (fifo = 2; fifo <= 257; fifo++) {
+ for (fifo = 1; fifo < 256; fifo++) {
dw_writew(dws, DW_SPI_TXFLTR, fifo);
if (fifo != dw_readw(dws, DW_SPI_TXFLTR))
break;
}
- dws->fifo_len = (fifo == 257) ? 0 : fifo;
+ dws->fifo_len = (fifo == 1) ? 0 : fifo;
dw_writew(dws, DW_SPI_TXFLTR, 0);
}
}
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index 915157d47805..6f743df82542 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -423,6 +423,29 @@ static const struct comedi_lrange ai_ranges_64xx = {
}
};
+static const uint8_t ai_range_code_64xx[8] = {
+ 0x0, 0x1, 0x2, 0x3, /* bipolar 10, 5, 2,5, 1.25 */
+ 0x8, 0x9, 0xa, 0xb /* unipolar 10, 5, 2.5, 1.25 */
+};
+
+/* analog input ranges for 64-Mx boards */
+static const struct comedi_lrange ai_ranges_64_mx = {
+ 7, {
+ BIP_RANGE(5),
+ BIP_RANGE(2.5),
+ BIP_RANGE(1.25),
+ BIP_RANGE(0.625),
+ UNI_RANGE(5),
+ UNI_RANGE(2.5),
+ UNI_RANGE(1.25)
+ }
+};
+
+static const uint8_t ai_range_code_64_mx[7] = {
+ 0x0, 0x1, 0x2, 0x3, /* bipolar 5, 2.5, 1.25, 0.625 */
+ 0x9, 0xa, 0xb /* unipolar 5, 2.5, 1.25 */
+};
+
/* analog input ranges for 60xx boards */
static const struct comedi_lrange ai_ranges_60xx = {
4,
@@ -434,6 +457,10 @@ static const struct comedi_lrange ai_ranges_60xx = {
}
};
+static const uint8_t ai_range_code_60xx[4] = {
+ 0x0, 0x1, 0x4, 0x7 /* bipolar 10, 5, 0.5, 0.05 */
+};
+
/* analog input ranges for 6030, etc boards */
static const struct comedi_lrange ai_ranges_6030 = {
14,
@@ -455,6 +482,11 @@ static const struct comedi_lrange ai_ranges_6030 = {
}
};
+static const uint8_t ai_range_code_6030[14] = {
+ 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, /* bip 10, 5, 2, 1, 0.5, 0.2, 0.1 */
+ 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf /* uni 10, 5, 2, 1, 0.5, 0.2, 0.1 */
+};
+
/* analog input ranges for 6052, etc boards */
static const struct comedi_lrange ai_ranges_6052 = {
15,
@@ -477,6 +509,11 @@ static const struct comedi_lrange ai_ranges_6052 = {
}
};
+static const uint8_t ai_range_code_6052[15] = {
+ 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, /* bipolar 10 ... 0.05 */
+ 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf /* unipolar 10 ... 0.1 */
+};
+
/* analog input ranges for 4020 board */
static const struct comedi_lrange ai_ranges_4020 = {
2,
@@ -561,6 +598,7 @@ struct pcidas64_board {
int ai_bits; /* analog input resolution */
int ai_speed; /* fastest conversion period in ns */
const struct comedi_lrange *ai_range_table;
+ const uint8_t *ai_range_code;
int ao_nchan; /* number of analog out channels */
int ao_bits; /* analog output resolution */
int ao_scan_speed; /* analog output speed (for a scan, not conversion) */
@@ -619,6 +657,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
.ai_range_table = &ai_ranges_64xx,
+ .ai_range_code = ai_range_code_64xx,
.ao_range_table = &ao_ranges_64xx,
.ao_range_code = ao_range_code_64xx,
.ai_fifo = &ai_fifo_64xx,
@@ -635,6 +674,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
.ai_range_table = &ai_ranges_64xx,
+ .ai_range_code = ai_range_code_64xx,
.ao_range_table = &ao_ranges_64xx,
.ao_range_code = ao_range_code_64xx,
.ai_fifo = &ai_fifo_64xx,
@@ -650,7 +690,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_bits = 16,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ao_range_table = &ao_ranges_64xx,
.ao_range_code = ao_range_code_64xx,
.ai_fifo = &ai_fifo_64xx,
@@ -666,7 +707,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_bits = 16,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ao_range_table = &ao_ranges_64xx,
.ao_range_code = ao_range_code_64xx,
.ai_fifo = &ai_fifo_64xx,
@@ -682,7 +724,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_bits = 16,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ao_range_table = &ao_ranges_64xx,
.ao_range_code = ao_range_code_64xx,
.ai_fifo = &ai_fifo_64xx,
@@ -698,6 +741,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_bits = 16,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -714,6 +758,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 100000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -729,6 +774,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 100000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -745,6 +791,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 100000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -761,6 +808,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 10000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6030,
+ .ai_range_code = ai_range_code_6030,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -777,6 +825,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 10000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6030,
+ .ai_range_code = ai_range_code_6030,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -791,6 +840,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 0,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6030,
+ .ai_range_code = ai_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
.has_8255 = 0,
},
@@ -803,6 +853,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 0,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6030,
+ .ai_range_code = ai_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
.has_8255 = 0,
},
@@ -816,6 +867,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 0,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
.has_8255 = 0,
},
@@ -830,6 +882,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 100000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -846,6 +899,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 100000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_60xx,
+ .ai_range_code = ai_range_code_60xx,
.ao_range_table = &ao_ranges_60xx,
.ao_range_code = ao_range_code_60xx,
.ai_fifo = &ai_fifo_60xx,
@@ -862,6 +916,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 1000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6052,
+ .ai_range_code = ai_range_code_6052,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -878,6 +933,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 3333,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6052,
+ .ai_range_code = ai_range_code_6052,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -894,6 +950,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 1000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6052,
+ .ai_range_code = ai_range_code_6052,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -910,6 +967,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 1000,
.layout = LAYOUT_60XX,
.ai_range_table = &ai_ranges_6052,
+ .ai_range_code = ai_range_code_6052,
.ao_range_table = &ao_ranges_6030,
.ao_range_code = ao_range_code_6030,
.ai_fifo = &ai_fifo_60xx,
@@ -942,6 +1000,7 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
.ai_range_table = &ai_ranges_64xx,
+ .ai_range_code = ai_range_code_64xx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -954,7 +1013,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 0,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -967,7 +1027,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 0,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -980,7 +1041,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 0,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -993,7 +1055,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 2,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -1006,7 +1069,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 2,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -1019,7 +1083,8 @@ static const struct pcidas64_board pcidas64_boards[] = {
.ao_nchan = 2,
.ao_scan_speed = 10000,
.layout = LAYOUT_64XX,
- .ai_range_table = &ai_ranges_64xx,
+ .ai_range_table = &ai_ranges_64_mx,
+ .ai_range_code = ai_range_code_64_mx,
.ai_fifo = ai_fifo_64xx,
.has_8255 = 1,
},
@@ -1257,45 +1322,7 @@ module_exit(driver_cb_pcidas_cleanup_module);
static unsigned int ai_range_bits_6xxx(const struct comedi_device *dev,
unsigned int range_index)
{
- const struct comedi_krange *range =
- &board(dev)->ai_range_table->range[range_index];
- unsigned int bits = 0;
-
- switch (range->max) {
- case 10000000:
- bits = 0x000;
- break;
- case 5000000:
- bits = 0x100;
- break;
- case 2000000:
- case 2500000:
- bits = 0x200;
- break;
- case 1000000:
- case 1250000:
- bits = 0x300;
- break;
- case 500000:
- bits = 0x400;
- break;
- case 200000:
- case 250000:
- bits = 0x500;
- break;
- case 100000:
- bits = 0x600;
- break;
- case 50000:
- bits = 0x700;
- break;
- default:
- comedi_error(dev, "bug! in ai_range_bits_6xxx");
- break;
- }
- if (range->min == 0)
- bits += 0x900;
- return bits;
+ return board(dev)->ai_range_code[range_index] << 8;
}
static unsigned int hw_revision(const struct comedi_device *dev,
diff --git a/drivers/staging/iio/events.h b/drivers/staging/iio/events.h
index c25f0e3c92e9..a6f999c12072 100644
--- a/drivers/staging/iio/events.h
+++ b/drivers/staging/iio/events.h
@@ -90,7 +90,7 @@ enum iio_event_direction {
#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
-#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF)
+#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index 4c05ed6beccc..8d57ab3a54b0 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -1480,15 +1480,15 @@ static int iscsit_do_tx_data(
struct iscsi_conn *conn,
struct iscsi_data_count *count)
{
- int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len;
+ int ret, iov_len;
struct kvec *iov_p;
struct msghdr msg;
if (!conn || !conn->sock || !conn->conn_ops)
return -1;
- if (data <= 0) {
- pr_err("Data length is: %d\n", data);
+ if (count->data_length <= 0) {
+ pr_err("Data length is: %d\n", count->data_length);
return -1;
}
@@ -1497,20 +1497,16 @@ static int iscsit_do_tx_data(
iov_p = count->iov;
iov_len = count->iov_count;
- while (total_tx < data) {
- tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len,
- (data - total_tx));
- if (tx_loop <= 0) {
- pr_debug("tx_loop: %d total_tx %d\n",
- tx_loop, total_tx);
- return tx_loop;
- }
- total_tx += tx_loop;
- pr_debug("tx_loop: %d, total_tx: %d, data: %d\n",
- tx_loop, total_tx, data);
+ ret = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len,
+ count->data_length);
+ if (ret != count->data_length) {
+ pr_err("Unexpected ret: %d send data %d\n",
+ ret, count->data_length);
+ return -EPIPE;
}
+ pr_debug("ret: %d, sent data: %d\n", ret, count->data_length);
- return total_tx;
+ return ret;
}
int rx_data(
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index d8b0aee35632..1b7d2c0abd7e 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -524,11 +524,15 @@ static void s3c24xx_serial_pm(struct uart_port *port, unsigned int level,
unsigned int old)
{
struct s3c24xx_uart_port *ourport = to_ourport(port);
+ int timeout = 10000;
ourport->pm_level = level;
switch (level) {
case 3:
+ while (--timeout && !s3c24xx_serial_txempty_nofifo(port))
+ udelay(100);
+
if (!IS_ERR(ourport->baudclk) && ourport->baudclk != NULL)
clk_disable(ourport->baudclk);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 8f4a628d3382..05325773ab94 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1108,10 +1108,11 @@ next_desc:
} else {
control_interface = usb_ifnum_to_if(usb_dev, union_header->bMasterInterface0);
data_interface = usb_ifnum_to_if(usb_dev, (data_interface_num = union_header->bSlaveInterface0));
- if (!control_interface || !data_interface) {
- dev_dbg(&intf->dev, "no interfaces\n");
- return -ENODEV;
- }
+ }
+
+ if (!control_interface || !data_interface) {
+ dev_dbg(&intf->dev, "no interfaces\n");
+ return -ENODEV;
}
if (data_interface_num != call_interface_num)
@@ -1429,6 +1430,7 @@ static void acm_disconnect(struct usb_interface *intf)
&dev_attr_wCountryCodes);
device_remove_file(&acm->control->dev,
&dev_attr_iCountryCodeRelDate);
+ kfree(acm->country_codes);
}
device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities);
usb_set_intfdata(acm->control, NULL);
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 6ed7e7c787d8..cc1004a2f9cd 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -201,6 +201,17 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
if (n == 0)
n = 9; /* 32 ms = 2^(9-1) uframes */
j = 16;
+
+ /*
+ * Adjust bInterval for quirked devices.
+ * This quirk fixes bIntervals reported in
+ * linear microframes.
+ */
+ if (to_usb_device(ddev)->quirks &
+ USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL) {
+ n = clamp(fls(d->bInterval), i, j);
+ i = j = n;
+ }
break;
default: /* USB_SPEED_FULL or _LOW */
/* For low-speed, 10 ms is the official minimum.
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index d2b9af59cba9..b283a652f155 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -211,7 +211,7 @@ static void update_bus(struct dentry *bus)
mutex_lock(&bus->d_inode->i_mutex);
- list_for_each_entry(dev, &bus->d_subdirs, d_u.d_child)
+ list_for_each_entry(dev, &bus->d_subdirs, d_child)
if (dev->d_inode)
update_dev(dev);
@@ -228,7 +228,7 @@ static void update_sb(struct super_block *sb)
mutex_lock_nested(&root->d_inode->i_mutex, I_MUTEX_PARENT);
- list_for_each_entry(bus, &root->d_subdirs, d_u.d_child) {
+ list_for_each_entry(bus, &root->d_subdirs, d_child) {
if (bus->d_inode) {
switch (S_IFMT & bus->d_inode->i_mode) {
case S_IFDIR:
@@ -342,7 +342,7 @@ static int usbfs_empty (struct dentry *dentry)
spin_lock(&dentry->d_lock);
list_for_each(list, &dentry->d_subdirs) {
- struct dentry *de = list_entry(list, struct dentry, d_u.d_child);
+ struct dentry *de = list_entry(list, struct dentry, d_child);
spin_lock_nested(&de->d_lock, DENTRY_D_LOCK_NESTED);
if (usbfs_positive(de)) {
diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h
index e8cdce571bb1..2753cec61aaf 100644
--- a/drivers/usb/core/otg_whitelist.h
+++ b/drivers/usb/core/otg_whitelist.h
@@ -59,6 +59,11 @@ static int is_targeted(struct usb_device *dev)
le16_to_cpu(dev->descriptor.idProduct) == 0xbadd))
return 0;
+ /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */
+ if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a &&
+ le16_to_cpu(dev->descriptor.idProduct) == 0x0200))
+ return 1;
+
/* NOTE: can't use usb_match_id() since interface caches
* aren't set up yet. this is cut/paste from that code.
*/
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 980a9d8c6504..9fac46d41f4d 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -43,6 +43,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Creative SB Audigy 2 NX */
{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Microsoft Wireless Laser Mouse 6000 Receiver */
+ { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Microsoft LifeCam-VX700 v2.0 */
{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
@@ -149,6 +152,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* SKYMEDI USB_DRIVE */
{ USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Razer - Razer Blade Keyboard */
+ { USB_DEVICE(0x1532, 0x0116), .driver_info =
+ USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+
/* BUILDWIN Photo Frame */
{ USB_DEVICE(0x1908, 0x1315), .driver_info =
USB_QUIRK_HONOR_BNUMINTERFACES },
@@ -168,6 +175,10 @@ static const struct usb_device_id usb_interface_quirk_list[] = {
{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+ /* Protocol and OTG Electrical Test Device */
+ { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
+ USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+
{ } /* terminating entry must be last */
};
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1acb3a419539..b7f89268c0f4 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -851,6 +851,9 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting)
if (last_one)
break;
}
+
+ if (last_one)
+ break;
} else {
dma = req->request.dma;
length = req->request.length;
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index 90dcf54cd7e8..1f230edfedf9 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -470,7 +470,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
void __iomem *base;
u32 control;
- u32 fminterval;
+ u32 fminterval = 0;
+ bool no_fminterval = false;
int cnt;
if (!mmio_resource_enabled(pdev, 0))
@@ -480,6 +481,13 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
if (base == NULL)
return;
+ /*
+ * ULi M5237 OHCI controller locks the whole system when accessing
+ * the OHCI_FMINTERVAL offset.
+ */
+ if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237)
+ no_fminterval = true;
+
control = readl(base + OHCI_CONTROL);
/* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
@@ -518,7 +526,9 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
}
/* software reset of the controller, preserving HcFmInterval */
- fminterval = readl(base + OHCI_FMINTERVAL);
+ if (!no_fminterval)
+ fminterval = readl(base + OHCI_FMINTERVAL);
+
writel(OHCI_HCR, base + OHCI_CMDSTATUS);
/* reset requires max 10 us delay */
@@ -527,7 +537,9 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
break;
udelay(1);
}
- writel(fminterval, base + OHCI_FMINTERVAL);
+
+ if (!no_fminterval)
+ writel(fminterval, base + OHCI_FMINTERVAL);
/* Now the controller is safely in SUSPEND and nothing can wake it up */
iounmap(base);
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index c8835d591b37..c9e39d453f6b 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -238,7 +238,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
xhci->shared_hcd->state != HC_STATE_SUSPENDED)
return -EINVAL;
- retval = xhci_suspend(xhci);
+ retval = xhci_suspend(xhci, do_wakeup);
return retval;
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 95e8648ade45..950edebba8f1 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1178,9 +1178,8 @@ static void handle_reset_ep_completion(struct xhci_hcd *xhci,
false);
xhci_ring_cmd_db(xhci);
} else {
- /* Clear our internal halted state and restart the ring(s) */
+ /* Clear our internal halted state */
xhci->devs[slot_id]->eps[ep_index].ep_state &= ~EP_HALTED;
- ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
}
}
@@ -1916,23 +1915,12 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
ep->stopped_trb = event_trb;
return 0;
} else {
- if (trb_comp_code == COMP_STALL) {
- /* The transfer is completed from the driver's
- * perspective, but we need to issue a set dequeue
- * command for this stalled endpoint to move the dequeue
- * pointer past the TD. We can't do that here because
- * the halt condition must be cleared first. Let the
- * USB class driver clear the stall later.
- */
- ep->stopped_td = td;
- ep->stopped_trb = event_trb;
- ep->stopped_stream = ep_ring->stream_id;
- } else if (xhci_requires_manual_halt_cleanup(xhci,
- ep_ctx, trb_comp_code)) {
- /* Other types of errors halt the endpoint, but the
- * class driver doesn't call usb_reset_endpoint() unless
- * the error is -EPIPE. Clear the halted status in the
- * xHCI hardware manually.
+ if (trb_comp_code == COMP_STALL ||
+ xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
+ trb_comp_code)) {
+ /* Issue a reset endpoint command to clear the host side * halt, followed by a set dequeue command to move the
+ * dequeue pointer past the TD.
+ * The class driver clears the device side halt later.
*/
xhci_cleanup_halted_endpoint(xhci,
slot_id, ep_index, ep_ring->stream_id,
@@ -2052,9 +2040,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
else
td->urb->actual_length = 0;
- xhci_cleanup_halted_endpoint(xhci,
- slot_id, ep_index, 0, td, event_trb);
- return finish_td(xhci, td, event_trb, event, ep, status, true);
+ return finish_td(xhci, td, event_trb, event, ep, status, false);
}
/*
* Did we transfer any data, despite the errors that might have
@@ -2606,17 +2592,8 @@ cleanup:
if (ret) {
urb = td->urb;
urb_priv = urb->hcpriv;
- /* Leave the TD around for the reset endpoint function
- * to use(but only if it's not a control endpoint,
- * since we already queued the Set TR dequeue pointer
- * command for stalled control endpoints).
- */
- if (usb_endpoint_xfer_control(&urb->ep->desc) ||
- (trb_comp_code != COMP_STALL &&
- trb_comp_code != COMP_BABBLE))
- xhci_urb_free_priv(xhci, urb_priv);
- else
- kfree(urb_priv);
+
+ xhci_urb_free_priv(xhci, urb_priv);
usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
if ((urb->actual_length != urb->transfer_buffer_length &&
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 424d9cf9d9a0..d96652d3fb54 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -33,6 +33,8 @@
#define DRIVER_AUTHOR "Sarah Sharp"
#define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver"
+#define PORT_WAKE_BITS (PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E)
+
/* Some 0.95 hardware can't handle the chain bit on a Link TRB being cleared */
static int link_quirk;
module_param(link_quirk, int, S_IRUGO | S_IWUSR);
@@ -884,19 +886,57 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci)
xhci_set_cmd_ring_deq(xhci);
}
+static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
+{
+ int port_index;
+ __le32 __iomem **port_array;
+ unsigned long flags;
+ u32 t1, t2;
+
+ spin_lock_irqsave(&xhci->lock, flags);
+
+ /* disble usb3 ports Wake bits*/
+ port_index = xhci->num_usb3_ports;
+ port_array = xhci->usb3_ports;
+ while (port_index--) {
+ t1 = readl(port_array[port_index]);
+ t1 = xhci_port_state_to_neutral(t1);
+ t2 = t1 & ~PORT_WAKE_BITS;
+ if (t1 != t2)
+ writel(t2, port_array[port_index]);
+ }
+
+ /* disble usb2 ports Wake bits*/
+ port_index = xhci->num_usb2_ports;
+ port_array = xhci->usb2_ports;
+ while (port_index--) {
+ t1 = readl(port_array[port_index]);
+ t1 = xhci_port_state_to_neutral(t1);
+ t2 = t1 & ~PORT_WAKE_BITS;
+ if (t1 != t2)
+ writel(t2, port_array[port_index]);
+ }
+
+ spin_unlock_irqrestore(&xhci->lock, flags);
+}
+
/*
* Stop HC (not bus-specific)
*
* This is called when the machine transition into S3/S4 mode.
*
*/
-int xhci_suspend(struct xhci_hcd *xhci)
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
{
int rc = 0;
unsigned int delay = XHCI_MAX_HALT_USEC;
struct usb_hcd *hcd = xhci_to_hcd(xhci);
u32 command;
+ /* Clear root port wake on bits if wakeup not allowed. */
+ if (!do_wakeup)
+ xhci_disable_port_wake_on_bits(xhci);
+
/* Don't poll the roothubs on bus suspend. */
xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
@@ -2851,61 +2891,31 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
}
}
-/* Deal with stalled endpoints. The core should have sent the control message
- * to clear the halt condition. However, we need to make the xHCI hardware
- * reset its sequence number, since a device will expect a sequence number of
- * zero after the halt condition is cleared.
+/* Called when clearing halted device. The core should have sent the control
+ * message to clear the device halt condition. The host side of the halt should
+ * already be cleared with a reset endpoint command issued when the STALL tx
+ * event was received.
+ *
* Context: in_interrupt
*/
+
void xhci_endpoint_reset(struct usb_hcd *hcd,
struct usb_host_endpoint *ep)
{
struct xhci_hcd *xhci;
- struct usb_device *udev;
- unsigned int ep_index;
- unsigned long flags;
- int ret;
- struct xhci_virt_ep *virt_ep;
xhci = hcd_to_xhci(hcd);
- udev = (struct usb_device *) ep->hcpriv;
- /* Called with a root hub endpoint (or an endpoint that wasn't added
- * with xhci_add_endpoint()
- */
- if (!ep->hcpriv)
- return;
- ep_index = xhci_get_endpoint_index(&ep->desc);
- virt_ep = &xhci->devs[udev->slot_id]->eps[ep_index];
- if (!virt_ep->stopped_td) {
- xhci_dbg(xhci, "Endpoint 0x%x not halted, refusing to reset.\n",
- ep->desc.bEndpointAddress);
- return;
- }
- if (usb_endpoint_xfer_control(&ep->desc)) {
- xhci_dbg(xhci, "Control endpoint stall already handled.\n");
- return;
- }
-
- xhci_dbg(xhci, "Queueing reset endpoint command\n");
- spin_lock_irqsave(&xhci->lock, flags);
- ret = xhci_queue_reset_ep(xhci, udev->slot_id, ep_index);
/*
- * Can't change the ring dequeue pointer until it's transitioned to the
- * stopped state, which is only upon a successful reset endpoint
- * command. Better hope that last command worked!
+ * We might need to implement the config ep cmd in xhci 4.8.1 note:
+ * The Reset Endpoint Command may only be issued to endpoints in the
+ * Halted state. If software wishes reset the Data Toggle or Sequence
+ * Number of an endpoint that isn't in the Halted state, then software
+ * may issue a Configure Endpoint Command with the Drop and Add bits set
+ * for the target endpoint. that is in the Stopped state.
*/
- if (!ret) {
- xhci_cleanup_stalled_ring(xhci, udev, ep_index);
- kfree(virt_ep->stopped_td);
- xhci_ring_cmd_db(xhci);
- }
- virt_ep->stopped_td = NULL;
- virt_ep->stopped_trb = NULL;
- virt_ep->stopped_stream = 0;
- spin_unlock_irqrestore(&xhci->lock, flags);
-
- if (ret)
- xhci_warn(xhci, "FIXME allocate a new ring segment\n");
+ /* For now just print debug to follow the situation */
+ xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n",
+ ep->desc.bEndpointAddress);
}
static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 2b7fe0b1c249..6c8093509511 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1729,7 +1729,7 @@ void xhci_shutdown(struct usb_hcd *hcd);
int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
#ifdef CONFIG_PM
-int xhci_suspend(struct xhci_hcd *xhci);
+int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup);
int xhci_resume(struct xhci_hcd *xhci, bool hibernated);
#else
#define xhci_suspend NULL
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 00bd2a5e0362..056dc6e4a9f9 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -672,6 +672,9 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge)
struct device *dev = usbhsg_gpriv_to_dev(gpriv);
unsigned long flags;
+ if (!pipe)
+ return -EINVAL;
+
usbhsg_pipe_disable(uep);
dev_dbg(dev, "set halt %d (pipe %d)\n",
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 1ee6b2ab0f89..87302ddec0a4 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -47,6 +47,8 @@ static struct console usbcons;
* ------------------------------------------------------------
*/
+static const struct tty_operations usb_console_fake_tty_ops = {
+};
/*
* The parsing of the command line works exactly like the
@@ -141,14 +143,17 @@ static int usb_console_setup(struct console *co, char *options)
goto reset_open_count;
}
kref_init(&tty->kref);
- tty_port_tty_set(&port->port, tty);
tty->driver = usb_serial_tty_driver;
tty->index = co->index;
+ INIT_LIST_HEAD(&tty->tty_files);
+ kref_get(&tty->driver->kref);
+ tty->ops = &usb_console_fake_tty_ops;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
err("no more memory");
- goto free_tty;
+ goto put_tty;
}
+ tty_port_tty_set(&port->port, tty);
}
/* only call the device specific open if this
@@ -170,7 +175,7 @@ static int usb_console_setup(struct console *co, char *options)
serial->type->set_termios(tty, port, &dummy);
tty_port_tty_set(&port->port, NULL);
- kfree(tty);
+ tty_kref_put(tty);
}
set_bit(ASYNCB_INITIALIZED, &port->port.flags);
}
@@ -186,8 +191,8 @@ static int usb_console_setup(struct console *co, char *options)
fail:
tty_port_tty_set(&port->port, NULL);
- free_tty:
- kfree(tty);
+ put_tty:
+ tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
usb_autopm_put_interface(serial->interface);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 19074db60896..813793714bea 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -126,9 +126,12 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+ { USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
+ { USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
+ { USB_DEVICE(0x10C4, 0x8977) }, /* CEL MeshWorks DevKit Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a89433bd5314..4bfcfa785823 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -494,6 +494,39 @@ static struct usb_device_id id_table_combined [] = {
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FD_PID) },
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FE_PID) },
{ USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_01FF_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_4701_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9300_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9301_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9302_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9303_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9304_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9305_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9306_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9307_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9308_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9309_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930A_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930B_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930C_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930D_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930E_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_930F_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9310_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9311_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9312_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9313_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9314_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9315_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9316_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9317_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9318_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_9319_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931A_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931B_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931C_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931D_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931E_PID) },
+ { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_931F_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PERLE_ULTRAPORT_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PIEGROUP_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_TNC_X_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 64ee791687d9..ecb4dee48caf 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -920,8 +920,8 @@
#define BAYER_CONTOUR_CABLE_PID 0x6001
/*
- * The following are the values for the Matrix Orbital FTDI Range
- * Anything in this range will use an FT232RL.
+ * Matrix Orbital Intelligent USB displays.
+ * http://www.matrixorbital.com
*/
#define MTXORB_VID 0x1B3D
#define MTXORB_FTDI_RANGE_0100_PID 0x0100
@@ -1180,8 +1180,39 @@
#define MTXORB_FTDI_RANGE_01FD_PID 0x01FD
#define MTXORB_FTDI_RANGE_01FE_PID 0x01FE
#define MTXORB_FTDI_RANGE_01FF_PID 0x01FF
-
-
+#define MTXORB_FTDI_RANGE_4701_PID 0x4701
+#define MTXORB_FTDI_RANGE_9300_PID 0x9300
+#define MTXORB_FTDI_RANGE_9301_PID 0x9301
+#define MTXORB_FTDI_RANGE_9302_PID 0x9302
+#define MTXORB_FTDI_RANGE_9303_PID 0x9303
+#define MTXORB_FTDI_RANGE_9304_PID 0x9304
+#define MTXORB_FTDI_RANGE_9305_PID 0x9305
+#define MTXORB_FTDI_RANGE_9306_PID 0x9306
+#define MTXORB_FTDI_RANGE_9307_PID 0x9307
+#define MTXORB_FTDI_RANGE_9308_PID 0x9308
+#define MTXORB_FTDI_RANGE_9309_PID 0x9309
+#define MTXORB_FTDI_RANGE_930A_PID 0x930A
+#define MTXORB_FTDI_RANGE_930B_PID 0x930B
+#define MTXORB_FTDI_RANGE_930C_PID 0x930C
+#define MTXORB_FTDI_RANGE_930D_PID 0x930D
+#define MTXORB_FTDI_RANGE_930E_PID 0x930E
+#define MTXORB_FTDI_RANGE_930F_PID 0x930F
+#define MTXORB_FTDI_RANGE_9310_PID 0x9310
+#define MTXORB_FTDI_RANGE_9311_PID 0x9311
+#define MTXORB_FTDI_RANGE_9312_PID 0x9312
+#define MTXORB_FTDI_RANGE_9313_PID 0x9313
+#define MTXORB_FTDI_RANGE_9314_PID 0x9314
+#define MTXORB_FTDI_RANGE_9315_PID 0x9315
+#define MTXORB_FTDI_RANGE_9316_PID 0x9316
+#define MTXORB_FTDI_RANGE_9317_PID 0x9317
+#define MTXORB_FTDI_RANGE_9318_PID 0x9318
+#define MTXORB_FTDI_RANGE_9319_PID 0x9319
+#define MTXORB_FTDI_RANGE_931A_PID 0x931A
+#define MTXORB_FTDI_RANGE_931B_PID 0x931B
+#define MTXORB_FTDI_RANGE_931C_PID 0x931C
+#define MTXORB_FTDI_RANGE_931D_PID 0x931D
+#define MTXORB_FTDI_RANGE_931E_PID 0x931E
+#define MTXORB_FTDI_RANGE_931F_PID 0x931F
/*
* The Mobility Lab (TML)
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 66d806ee9f3e..0879ac7fd2cb 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -323,24 +323,28 @@ static void usa26_indat_callback(struct urb *urb)
if ((data[0] & 0x80) == 0) {
/* no errors on individual bytes, only
possible overrun err */
- if (data[0] & RXERROR_OVERRUN)
- err = TTY_OVERRUN;
- else
- err = 0;
+ if (data[0] & RXERROR_OVERRUN) {
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ }
for (i = 1; i < urb->actual_length ; ++i)
- tty_insert_flip_char(tty, data[i], err);
+ tty_insert_flip_char(tty, data[i], TTY_NORMAL);
} else {
/* some bytes had errors, every byte has status */
dbg("%s - RX error!!!!", __func__);
for (i = 0; i + 1 < urb->actual_length; i += 2) {
- int stat = data[i], flag = 0;
- if (stat & RXERROR_OVERRUN)
- flag |= TTY_OVERRUN;
- if (stat & RXERROR_FRAMING)
- flag |= TTY_FRAME;
- if (stat & RXERROR_PARITY)
- flag |= TTY_PARITY;
+ int stat = data[i];
+ int flag = TTY_NORMAL;
+
+ if (stat & RXERROR_OVERRUN) {
+ tty_insert_flip_char(tty, 0,
+ TTY_OVERRUN);
+ }
/* XXX should handle break (0x10) */
+ if (stat & RXERROR_PARITY)
+ flag = TTY_PARITY;
+ else if (stat & RXERROR_FRAMING)
+ flag = TTY_FRAME;
+
tty_insert_flip_char(tty, data[i+1], flag);
}
}
@@ -712,14 +716,19 @@ static void usa49_indat_callback(struct urb *urb)
} else {
/* some bytes had errors, every byte has status */
for (i = 0; i + 1 < urb->actual_length; i += 2) {
- int stat = data[i], flag = 0;
- if (stat & RXERROR_OVERRUN)
- flag |= TTY_OVERRUN;
- if (stat & RXERROR_FRAMING)
- flag |= TTY_FRAME;
- if (stat & RXERROR_PARITY)
- flag |= TTY_PARITY;
+ int stat = data[i];
+ int flag = TTY_NORMAL;
+
+ if (stat & RXERROR_OVERRUN) {
+ tty_insert_flip_char(tty, 0,
+ TTY_OVERRUN);
+ }
/* XXX should handle break (0x10) */
+ if (stat & RXERROR_PARITY)
+ flag = TTY_PARITY;
+ else if (stat & RXERROR_FRAMING)
+ flag = TTY_FRAME;
+
tty_insert_flip_char(tty, data[i+1], flag);
}
}
@@ -779,14 +788,19 @@ static void usa49wg_indat_callback(struct urb *urb)
* some bytes had errors, every byte has status
*/
for (x = 0; x + 1 < len; x += 2) {
- int stat = data[i], flag = 0;
- if (stat & RXERROR_OVERRUN)
- flag |= TTY_OVERRUN;
- if (stat & RXERROR_FRAMING)
- flag |= TTY_FRAME;
- if (stat & RXERROR_PARITY)
- flag |= TTY_PARITY;
+ int stat = data[i];
+ int flag = TTY_NORMAL;
+
+ if (stat & RXERROR_OVERRUN) {
+ tty_insert_flip_char(tty, 0,
+ TTY_OVERRUN);
+ }
/* XXX should handle break (0x10) */
+ if (stat & RXERROR_PARITY)
+ flag = TTY_PARITY;
+ else if (stat & RXERROR_FRAMING)
+ flag = TTY_FRAME;
+
tty_insert_flip_char(tty,
data[i+1], flag);
i += 2;
@@ -844,25 +858,32 @@ static void usa90_indat_callback(struct urb *urb)
if ((data[0] & 0x80) == 0) {
/* no errors on individual bytes, only
possible overrun err*/
- if (data[0] & RXERROR_OVERRUN)
- err = TTY_OVERRUN;
- else
- err = 0;
+ if (data[0] & RXERROR_OVERRUN) {
+ tty_insert_flip_char(tty, 0,
+ TTY_OVERRUN);
+ }
for (i = 1; i < urb->actual_length ; ++i)
tty_insert_flip_char(tty, data[i],
- err);
+ TTY_NORMAL);
} else {
/* some bytes had errors, every byte has status */
dbg("%s - RX error!!!!", __func__);
for (i = 0; i + 1 < urb->actual_length; i += 2) {
- int stat = data[i], flag = 0;
- if (stat & RXERROR_OVERRUN)
- flag |= TTY_OVERRUN;
- if (stat & RXERROR_FRAMING)
- flag |= TTY_FRAME;
- if (stat & RXERROR_PARITY)
- flag |= TTY_PARITY;
+ int stat = data[i];
+ int flag = TTY_NORMAL;
+
+ if (stat & RXERROR_OVERRUN) {
+ tty_insert_flip_char(
+ tty, 0,
+ TTY_OVERRUN);
+ }
+
/* XXX should handle break (0x10) */
+ if (stat & RXERROR_PARITY)
+ flag = TTY_PARITY;
+ else if (stat & RXERROR_FRAMING)
+ flag = TTY_FRAME;
+
tty_insert_flip_char(tty, data[i+1],
flag);
}
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index d19fa6a9d247..f425507d999a 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -598,10 +598,10 @@ static void ssu100_update_lsr(struct usb_serial_port *port, u8 lsr,
if (*tty_flag == TTY_NORMAL)
*tty_flag = TTY_FRAME;
}
- if (lsr & UART_LSR_OE){
+ if (lsr & UART_LSR_OE) {
priv->icount.overrun++;
- if (*tty_flag == TTY_NORMAL)
- *tty_flag = TTY_OVERRUN;
+ tty_insert_flip_char(tty_port_tty_get(&port->port),
+ 0, TTY_OVERRUN);
}
}
@@ -622,11 +622,8 @@ static int ssu100_process_packet(struct urb *urb,
if ((len >= 4) &&
(packet[0] == 0x1b) && (packet[1] == 0x1b) &&
((packet[2] == 0x00) || (packet[2] == 0x01))) {
- if (packet[2] == 0x00) {
+ if (packet[2] == 0x00)
ssu100_update_lsr(port, packet[3], &flag);
- if (flag == TTY_OVERRUN)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
- }
if (packet[2] == 0x01)
ssu100_update_msr(port, packet[3]);
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 3a7fd6f6af4f..248a198dc974 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -242,6 +242,10 @@ static int slave_configure(struct scsi_device *sdev)
US_FL_SCM_MULT_TARG)) &&
us->protocol == USB_PR_BULK)
us->use_last_sector_hacks = 1;
+
+ /* A few buggy USB-ATA bridges don't understand FUA */
+ if (us->fflags & US_FL_BROKEN_FUA)
+ sdev->broken_fua = 1;
} else {
/* Non-disk-type devices don't need to blacklist any pages
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index a280945d2236..25174beb8d8d 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1940,6 +1940,13 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE ),
+/* Reported by Michael Büsch <m@bues.ch> */
+UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0114,
+ "JMicron",
+ "USB to ATA/ATAPI Bridge",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_BROKEN_FUA ),
+
/* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* JMicron responds to USN and several other SCSI ioctls with a
* residue that causes subsequent I/O requests to fail. */
@@ -1949,6 +1956,13 @@ UNUSUAL_DEV( 0x152d, 0x2329, 0x0100, 0x0100,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE | US_FL_SANE_SENSE ),
+/* Reported by Dmitry Nezhevenko <dion@dion.org.ua> */
+UNUSUAL_DEV( 0x152d, 0x2566, 0x0114, 0x0114,
+ "JMicron",
+ "USB to ATA/ATAPI Bridge",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_BROKEN_FUA ),
+
/* Entrega Technologies U1-SC25 (later Xircom PortGear PGSCSI)
* and Mac USB Dock USB-SCSI */
UNUSUAL_DEV( 0x1645, 0x0007, 0x0100, 0x0133,
diff --git a/drivers/video/logo/logo.c b/drivers/video/logo/logo.c
index 080c35b34bbb..cc5dbb5b2f71 100644
--- a/drivers/video/logo/logo.c
+++ b/drivers/video/logo/logo.c
@@ -25,6 +25,21 @@ static bool nologo;
module_param(nologo, bool, 0);
MODULE_PARM_DESC(nologo, "Disables startup logo");
+/*
+ * Logos are located in the initdata, and will be freed in kernel_init.
+ * Use late_init to mark the logos as freed to prevent any further use.
+ */
+
+static bool logos_freed;
+
+static int __init fb_logo_late_init(void)
+{
+ logos_freed = true;
+ return 0;
+}
+
+late_initcall(fb_logo_late_init);
+
/* logo's are marked __initdata. Use __init_refok to tell
* modpost that it is intended that this function uses data
* marked __initdata.
@@ -33,7 +48,7 @@ const struct linux_logo * __init_refok fb_find_logo(int depth)
{
const struct linux_logo *logo = NULL;
- if (nologo)
+ if (nologo || logos_freed)
return NULL;
if (depth >= 1) {
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 984c501c258f..cc02a9b36219 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -9,33 +9,32 @@ static unsigned int dev_index;
static ssize_t device_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%04x\n", dev->id.device);
}
static ssize_t vendor_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%04x\n", dev->id.vendor);
}
static ssize_t status_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "0x%08x\n", dev->config->get_status(dev));
}
static ssize_t modalias_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
-
+ struct virtio_device *dev = dev_to_virtio(_d);
return sprintf(buf, "virtio:d%08Xv%08X\n",
dev->id.device, dev->id.vendor);
}
static ssize_t features_show(struct device *_d,
struct device_attribute *attr, char *buf)
{
- struct virtio_device *dev = container_of(_d, struct virtio_device, dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
unsigned int i;
ssize_t len = 0;
@@ -70,7 +69,7 @@ static inline int virtio_id_match(const struct virtio_device *dev,
static int virtio_dev_match(struct device *_dv, struct device_driver *_dr)
{
unsigned int i;
- struct virtio_device *dev = container_of(_dv,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_dv);
const struct virtio_device_id *ids;
ids = container_of(_dr, struct virtio_driver, driver)->id_table;
@@ -82,7 +81,7 @@ static int virtio_dev_match(struct device *_dv, struct device_driver *_dr)
static int virtio_uevent(struct device *_dv, struct kobj_uevent_env *env)
{
- struct virtio_device *dev = container_of(_dv,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_dv);
return add_uevent_var(env, "MODALIAS=virtio:d%08Xv%08X",
dev->id.device, dev->id.vendor);
@@ -110,7 +109,7 @@ EXPORT_SYMBOL_GPL(virtio_check_driver_offered_feature);
static int virtio_dev_probe(struct device *_d)
{
int err, i;
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
struct virtio_driver *drv = container_of(dev->dev.driver,
struct virtio_driver, driver);
u32 device_features;
@@ -148,7 +147,7 @@ static int virtio_dev_probe(struct device *_d)
static int virtio_dev_remove(struct device *_d)
{
- struct virtio_device *dev = container_of(_d,struct virtio_device,dev);
+ struct virtio_device *dev = dev_to_virtio(_d);
struct virtio_driver *drv = container_of(dev->dev.driver,
struct virtio_driver, driver);
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index a41f264dc23d..cc56763ff96d 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -624,11 +624,13 @@ static struct virtio_config_ops virtio_pci_config_ops = {
static void virtio_pci_release_dev(struct device *_d)
{
- /*
- * No need for a release method as we allocate/free
- * all devices together with the pci devices.
- * Provide an empty one to avoid getting a warning from core.
- */
+ struct virtio_device *vdev = dev_to_virtio(_d);
+ struct virtio_pci_device *vp_dev = to_vp_device(vdev);
+
+ /* As struct device is a kobject, it's not safe to
+ * free the memory (including the reference counter itself)
+ * until it's release callback. */
+ kfree(vp_dev);
}
/* the PCI probing function */
@@ -716,7 +718,6 @@ static void __devexit virtio_pci_remove(struct pci_dev *pci_dev)
pci_iounmap(pci_dev, vp_dev->ioaddr);
pci_release_regions(pci_dev);
pci_disable_device(pci_dev);
- kfree(vp_dev);
}
#ifdef CONFIG_PM
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index a1e6c990cd41..a86a78d8e614 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -81,7 +81,7 @@ static struct dentry *v9fs_dentry_from_dir_inode(struct inode *inode)
spin_lock(&inode->i_lock);
/* Directory should have only one entry. */
BUG_ON(S_ISDIR(inode->i_mode) && !list_is_singular(&inode->i_dentry));
- dentry = list_entry(inode->i_dentry.next, struct dentry, d_alias);
+ dentry = list_entry(inode->i_dentry.next, struct dentry, d_u.d_alias);
spin_unlock(&inode->i_lock);
return dentry;
}
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
index 52a6407682e6..43a8f374b4a0 100644
--- a/fs/affs/amigaffs.c
+++ b/fs/affs/amigaffs.c
@@ -132,7 +132,7 @@ affs_fix_dcache(struct dentry *dentry, u32 entry_ino)
head = &inode->i_dentry;
next = head->next;
while (next != head) {
- dentry = list_entry(next, struct dentry, d_alias);
+ dentry = list_entry(next, struct dentry, d_u.d_alias);
if (entry_ino == (u32)(long)dentry->d_fsdata) {
dentry->d_fsdata = data;
break;
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index b1cdb0ae5ca6..54effed1ce59 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -100,7 +100,7 @@ static struct dentry *get_next_positive_subdir(struct dentry *prev,
p = prev;
spin_lock(&p->d_lock);
again:
- next = p->d_u.d_child.next;
+ next = p->d_child.next;
start:
if (next == &root->d_subdirs) {
spin_unlock(&p->d_lock);
@@ -109,7 +109,7 @@ start:
return NULL;
}
- q = list_entry(next, struct dentry, d_u.d_child);
+ q = list_entry(next, struct dentry, d_child);
spin_lock_nested(&q->d_lock, DENTRY_D_LOCK_NESTED);
/* Negative dentry - try next */
@@ -166,13 +166,13 @@ again:
goto relock;
}
spin_unlock(&p->d_lock);
- next = p->d_u.d_child.next;
+ next = p->d_child.next;
p = parent;
if (next != &parent->d_subdirs)
break;
}
}
- ret = list_entry(next, struct dentry, d_u.d_child);
+ ret = list_entry(next, struct dentry, d_child);
spin_lock_nested(&ret->d_lock, DENTRY_D_LOCK_NESTED);
/* Negative dentry - try next */
@@ -457,7 +457,7 @@ found:
spin_lock(&sbi->lookup_lock);
spin_lock(&expired->d_parent->d_lock);
spin_lock_nested(&expired->d_lock, DENTRY_D_LOCK_NESTED);
- list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
+ list_move(&expired->d_parent->d_subdirs, &expired->d_child);
spin_unlock(&expired->d_lock);
spin_unlock(&expired->d_parent->d_lock);
spin_unlock(&sbi->lookup_lock);
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 8c4292f89eef..411760477c4b 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -651,7 +651,7 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
/* only consider parents below dentrys in the root */
if (IS_ROOT(parent->d_parent))
return;
- d_child = &dentry->d_u.d_child;
+ d_child = &dentry->d_child;
/* Set parent managed if it's becoming empty */
if (d_child->next == &parent->d_subdirs &&
d_child->prev == &parent->d_subdirs)
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index a009b9e322ac..6dacccef7790 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -539,11 +539,12 @@ out:
static unsigned long randomize_stack_top(unsigned long stack_top)
{
- unsigned int random_variable = 0;
+ unsigned long random_variable = 0;
if ((current->flags & PF_RANDOMIZE) &&
!(current->personality & ADDR_NO_RANDOMIZE)) {
- random_variable = get_random_int() & STACK_RND_MASK;
+ random_variable = (unsigned long) get_random_int();
+ random_variable &= STACK_RND_MASK;
random_variable <<= PAGE_SHIFT;
}
#ifdef CONFIG_STACK_GROWSUP
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a7ffc88a7dbe..7c23cd9c2136 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3556,12 +3556,6 @@ static int btrfs_destroy_pinned_extent(struct btrfs_root *root,
if (ret)
break;
- /* opt_discard */
- if (btrfs_test_opt(root, DISCARD))
- ret = btrfs_error_discard_extent(root, start,
- end + 1 - start,
- NULL);
-
clear_extent_dirty(unpin, start, end, GFP_NOFS);
btrfs_error_unpin_extent_range(root, start, end);
cond_resched();
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 224ce21cc0ac..cf6e7f4a4f4c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4892,7 +4892,8 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
update_global_block_rsv(fs_info);
}
-static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
+static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end,
+ const bool return_free_space)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_group_cache *cache = NULL;
@@ -4912,7 +4913,8 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
if (start < cache->last_byte_to_unpin) {
len = min(len, cache->last_byte_to_unpin - start);
- btrfs_add_free_space(cache, start, len);
+ if (return_free_space)
+ btrfs_add_free_space(cache, start, len);
}
start += len;
@@ -4960,7 +4962,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
end + 1 - start, NULL);
clear_extent_dirty(unpin, start, end, GFP_NOFS);
- unpin_extent_range(root, start, end);
+ unpin_extent_range(root, start, end, true);
cond_resched();
}
@@ -8008,7 +8010,7 @@ out:
int btrfs_error_unpin_extent_range(struct btrfs_root *root, u64 start, u64 end)
{
- return unpin_extent_range(root, start, end);
+ return unpin_extent_range(root, start, end, false);
}
int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 3e8094be4604..455b64336628 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -104,7 +104,7 @@ static unsigned fpos_off(loff_t p)
/*
* When possible, we try to satisfy a readdir by peeking at the
* dcache. We make this work by carefully ordering dentries on
- * d_u.d_child when we initially get results back from the MDS, and
+ * d_child when we initially get results back from the MDS, and
* falling back to a "normal" sync readdir if any dentries in the dir
* are dropped.
*
@@ -140,11 +140,11 @@ static int __dcache_readdir(struct file *filp,
p = parent->d_subdirs.prev;
dout(" initial p %p/%p\n", p->prev, p->next);
} else {
- p = last->d_u.d_child.prev;
+ p = last->d_child.prev;
}
more:
- dentry = list_entry(p, struct dentry, d_u.d_child);
+ dentry = list_entry(p, struct dentry, d_child);
di = ceph_dentry(dentry);
while (1) {
dout(" p %p/%p %s d_subdirs %p/%p\n", p->prev, p->next,
@@ -166,7 +166,7 @@ more:
!dentry->d_inode ? " null" : "");
spin_unlock(&dentry->d_lock);
p = p->prev;
- dentry = list_entry(p, struct dentry, d_u.d_child);
+ dentry = list_entry(p, struct dentry, d_child);
di = ceph_dentry(dentry);
}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 81613bced19f..1ea77206a0d5 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -869,9 +869,9 @@ static void ceph_set_dentry_offset(struct dentry *dn)
spin_lock(&dir->d_lock);
spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
- list_move(&dn->d_u.d_child, &dir->d_subdirs);
+ list_move(&dn->d_child, &dir->d_subdirs);
dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
- dn->d_u.d_child.prev, dn->d_u.d_child.next);
+ dn->d_child.prev, dn->d_child.next);
spin_unlock(&dn->d_lock);
spin_unlock(&dir->d_lock);
}
@@ -1262,7 +1262,7 @@ retry_lookup:
/* reorder parent's d_subdirs */
spin_lock(&parent->d_lock);
spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
- list_move(&dn->d_u.d_child, &parent->d_subdirs);
+ list_move(&dn->d_child, &parent->d_subdirs);
spin_unlock(&dn->d_lock);
spin_unlock(&parent->d_lock);
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 8d6ac6bec9e9..2c2acc03b24e 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -833,7 +833,7 @@ inode_has_hashed_dentries(struct inode *inode)
struct dentry *dentry;
spin_lock(&inode->i_lock);
- list_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+ list_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
if (!d_unhashed(dentry) || IS_ROOT(dentry)) {
spin_unlock(&inode->i_lock);
return true;
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 690157876184..4b2e5cb502f6 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -95,7 +95,7 @@ static void coda_flag_children(struct dentry *parent, int flag)
spin_lock(&parent->d_lock);
list_for_each(child, &parent->d_subdirs)
{
- de = list_entry(child, struct dentry, d_u.d_child);
+ de = list_entry(child, struct dentry, d_child);
/* don't know what to do with negative dentries */
if ( ! de->d_inode )
continue;
diff --git a/fs/dcache.c b/fs/dcache.c
index 09e2eda55c57..8038a780696f 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -43,7 +43,7 @@
/*
* Usage:
* dcache->d_inode->i_lock protects:
- * - i_dentry, d_alias, d_inode of aliases
+ * - i_dentry, d_u.d_alias, d_inode of aliases
* dcache_hash_bucket lock protects:
* - the dcache hash table
* s_anon bl list spinlock protects:
@@ -58,7 +58,7 @@
* - d_unhashed()
* - d_parent and d_subdirs
* - childrens' d_child and d_parent
- * - d_alias, d_inode
+ * - d_u.d_alias, d_inode
*
* Ordering:
* dentry->d_inode->i_lock
@@ -202,7 +202,6 @@ static void __d_free(struct rcu_head *head)
{
struct dentry *dentry = container_of(head, struct dentry, d_u.d_rcu);
- WARN_ON(!list_empty(&dentry->d_alias));
if (dname_external(dentry))
kfree(dentry->d_name.name);
kmem_cache_free(dentry_cache, dentry);
@@ -213,6 +212,7 @@ static void __d_free(struct rcu_head *head)
*/
static void d_free(struct dentry *dentry)
{
+ WARN_ON(!list_empty(&dentry->d_u.d_alias));
BUG_ON(dentry->d_count);
this_cpu_dec(nr_dentry);
if (dentry->d_op && dentry->d_op->d_release)
@@ -251,7 +251,7 @@ static void dentry_iput(struct dentry * dentry)
struct inode *inode = dentry->d_inode;
if (inode) {
dentry->d_inode = NULL;
- list_del_init(&dentry->d_alias);
+ list_del_init(&dentry->d_u.d_alias);
spin_unlock(&dentry->d_lock);
spin_unlock(&inode->i_lock);
if (!inode->i_nlink)
@@ -275,7 +275,7 @@ static void dentry_unlink_inode(struct dentry * dentry)
{
struct inode *inode = dentry->d_inode;
dentry->d_inode = NULL;
- list_del_init(&dentry->d_alias);
+ list_del_init(&dentry->d_u.d_alias);
dentry_rcuwalk_barrier(dentry);
spin_unlock(&dentry->d_lock);
spin_unlock(&inode->i_lock);
@@ -368,9 +368,9 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
__releases(parent->d_lock)
__releases(dentry->d_inode->i_lock)
{
- list_del(&dentry->d_u.d_child);
+ __list_del_entry(&dentry->d_child);
/*
- * Inform try_to_ascend() that we are no longer attached to the
+ * Inform ascending readers that we are no longer attached to the
* dentry tree
*/
dentry->d_flags |= DCACHE_DENTRY_KILLED;
@@ -686,7 +686,7 @@ static struct dentry *__d_find_alias(struct inode *inode, int want_discon)
again:
discon_alias = NULL;
- list_for_each_entry(alias, &inode->i_dentry, d_alias) {
+ list_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
spin_lock(&alias->d_lock);
if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) {
if (IS_ROOT(alias) &&
@@ -739,7 +739,7 @@ void d_prune_aliases(struct inode *inode)
struct dentry *dentry;
restart:
spin_lock(&inode->i_lock);
- list_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+ list_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
spin_lock(&dentry->d_lock);
if (!dentry->d_count) {
__dget_dlock(dentry);
@@ -919,7 +919,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
/* descend to the first leaf in the current subtree */
while (!list_empty(&dentry->d_subdirs))
dentry = list_entry(dentry->d_subdirs.next,
- struct dentry, d_u.d_child);
+ struct dentry, d_child);
/* consume the dentries from this leaf up through its parents
* until we find one with children or run out altogether */
@@ -951,17 +951,17 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
if (IS_ROOT(dentry)) {
parent = NULL;
- list_del(&dentry->d_u.d_child);
+ list_del(&dentry->d_child);
} else {
parent = dentry->d_parent;
parent->d_count--;
- list_del(&dentry->d_u.d_child);
+ list_del(&dentry->d_child);
}
inode = dentry->d_inode;
if (inode) {
dentry->d_inode = NULL;
- list_del_init(&dentry->d_alias);
+ list_del_init(&dentry->d_u.d_alias);
if (dentry->d_op && dentry->d_op->d_iput)
dentry->d_op->d_iput(dentry, inode);
else
@@ -979,7 +979,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
} while (list_empty(&dentry->d_subdirs));
dentry = list_entry(dentry->d_subdirs.next,
- struct dentry, d_u.d_child);
+ struct dentry, d_child);
}
}
@@ -1011,34 +1011,6 @@ void shrink_dcache_for_umount(struct super_block *sb)
}
}
-/*
- * This tries to ascend one level of parenthood, but
- * we can race with renaming, so we need to re-check
- * the parenthood after dropping the lock and check
- * that the sequence number still matches.
- */
-static struct dentry *try_to_ascend(struct dentry *old, int locked, unsigned seq)
-{
- struct dentry *new = old->d_parent;
-
- rcu_read_lock();
- spin_unlock(&old->d_lock);
- spin_lock(&new->d_lock);
-
- /*
- * might go back up the wrong parent if we have had a rename
- * or deletion
- */
- if (new != old->d_parent ||
- (old->d_flags & DCACHE_DENTRY_KILLED) ||
- (!locked && read_seqretry(&rename_lock, seq))) {
- spin_unlock(&new->d_lock);
- new = NULL;
- }
- rcu_read_unlock();
- return new;
-}
-
/*
* Search for at least 1 mount point in the dentry's subdirs.
@@ -1072,7 +1044,7 @@ repeat:
resume:
while (next != &this_parent->d_subdirs) {
struct list_head *tmp = next;
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
next = tmp->next;
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
@@ -1094,30 +1066,48 @@ resume:
/*
* All done at this level ... ascend and resume the search.
*/
+ rcu_read_lock();
+ascend:
if (this_parent != parent) {
struct dentry *child = this_parent;
- this_parent = try_to_ascend(this_parent, locked, seq);
- if (!this_parent)
+ this_parent = child->d_parent;
+
+ spin_unlock(&child->d_lock);
+ spin_lock(&this_parent->d_lock);
+
+ /* might go back up the wrong parent if we have had a rename */
+ if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
- next = child->d_u.d_child.next;
+ next = child->d_child.next;
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
+ if (next == &this_parent->d_subdirs)
+ goto ascend;
+ child = list_entry(next, struct dentry, d_child);
+ next = next->next;
+ }
+ rcu_read_unlock();
goto resume;
}
- spin_unlock(&this_parent->d_lock);
if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (locked)
write_sequnlock(&rename_lock);
return 0; /* No mount points found in tree */
positive:
if (!locked && read_seqretry(&rename_lock, seq))
- goto rename_retry;
+ goto rename_retry_unlocked;
if (locked)
write_sequnlock(&rename_lock);
return 1;
rename_retry:
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (locked)
goto again;
+rename_retry_unlocked:
locked = 1;
write_seqlock(&rename_lock);
goto again;
@@ -1155,7 +1145,7 @@ repeat:
resume:
while (next != &this_parent->d_subdirs) {
struct list_head *tmp = next;
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
next = tmp->next;
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
@@ -1182,6 +1172,7 @@ resume:
*/
if (found && need_resched()) {
spin_unlock(&dentry->d_lock);
+ rcu_read_lock();
goto out;
}
@@ -1201,23 +1192,40 @@ resume:
/*
* All done at this level ... ascend and resume the search.
*/
+ rcu_read_lock();
+ascend:
if (this_parent != parent) {
struct dentry *child = this_parent;
- this_parent = try_to_ascend(this_parent, locked, seq);
- if (!this_parent)
+ this_parent = child->d_parent;
+
+ spin_unlock(&child->d_lock);
+ spin_lock(&this_parent->d_lock);
+
+ /* might go back up the wrong parent if we have had a rename */
+ if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
- next = child->d_u.d_child.next;
+ next = child->d_child.next;
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
+ if (next == &this_parent->d_subdirs)
+ goto ascend;
+ child = list_entry(next, struct dentry, d_child);
+ next = next->next;
+ }
+ rcu_read_unlock();
goto resume;
}
out:
- spin_unlock(&this_parent->d_lock);
if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (locked)
write_sequnlock(&rename_lock);
return found;
rename_retry:
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (found)
return found;
if (locked)
@@ -1292,8 +1300,8 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
INIT_HLIST_BL_NODE(&dentry->d_hash);
INIT_LIST_HEAD(&dentry->d_lru);
INIT_LIST_HEAD(&dentry->d_subdirs);
- INIT_LIST_HEAD(&dentry->d_alias);
- INIT_LIST_HEAD(&dentry->d_u.d_child);
+ INIT_LIST_HEAD(&dentry->d_u.d_alias);
+ INIT_LIST_HEAD(&dentry->d_child);
d_set_d_op(dentry, dentry->d_sb->s_d_op);
this_cpu_inc(nr_dentry);
@@ -1323,7 +1331,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
*/
__dget_dlock(parent);
dentry->d_parent = parent;
- list_add(&dentry->d_u.d_child, &parent->d_subdirs);
+ list_add(&dentry->d_child, &parent->d_subdirs);
spin_unlock(&parent->d_lock);
return dentry;
@@ -1380,7 +1388,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
if (inode) {
if (unlikely(IS_AUTOMOUNT(inode)))
dentry->d_flags |= DCACHE_NEED_AUTOMOUNT;
- list_add(&dentry->d_alias, &inode->i_dentry);
+ list_add(&dentry->d_u.d_alias, &inode->i_dentry);
}
dentry->d_inode = inode;
dentry_rcuwalk_barrier(dentry);
@@ -1405,7 +1413,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
void d_instantiate(struct dentry *entry, struct inode * inode)
{
- BUG_ON(!list_empty(&entry->d_alias));
+ BUG_ON(!list_empty(&entry->d_u.d_alias));
if (inode)
spin_lock(&inode->i_lock);
__d_instantiate(entry, inode);
@@ -1444,7 +1452,7 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry,
return NULL;
}
- list_for_each_entry(alias, &inode->i_dentry, d_alias) {
+ list_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
struct qstr *qstr = &alias->d_name;
/*
@@ -1470,7 +1478,7 @@ struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode)
{
struct dentry *result;
- BUG_ON(!list_empty(&entry->d_alias));
+ BUG_ON(!list_empty(&entry->d_u.d_alias));
if (inode)
spin_lock(&inode->i_lock);
@@ -1513,7 +1521,7 @@ static struct dentry * __d_find_any_alias(struct inode *inode)
if (list_empty(&inode->i_dentry))
return NULL;
- alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias);
+ alias = list_first_entry(&inode->i_dentry, struct dentry, d_u.d_alias);
__dget(alias);
return alias;
}
@@ -1587,7 +1595,7 @@ struct dentry *d_obtain_alias(struct inode *inode)
spin_lock(&tmp->d_lock);
tmp->d_inode = inode;
tmp->d_flags |= DCACHE_DISCONNECTED;
- list_add(&tmp->d_alias, &inode->i_dentry);
+ list_add(&tmp->d_u.d_alias, &inode->i_dentry);
hlist_bl_lock(&tmp->d_sb->s_anon);
hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon);
hlist_bl_unlock(&tmp->d_sb->s_anon);
@@ -1996,7 +2004,7 @@ int d_validate(struct dentry *dentry, struct dentry *dparent)
struct dentry *child;
spin_lock(&dparent->d_lock);
- list_for_each_entry(child, &dparent->d_subdirs, d_u.d_child) {
+ list_for_each_entry(child, &dparent->d_subdirs, d_child) {
if (dentry == child) {
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
__dget_dlock(dentry);
@@ -2243,8 +2251,8 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
/* Unhash the target: dput() will then get rid of it */
__d_drop(target);
- list_del(&dentry->d_u.d_child);
- list_del(&target->d_u.d_child);
+ list_del(&dentry->d_child);
+ list_del(&target->d_child);
/* Switch the names.. */
switch_names(dentry, target);
@@ -2254,15 +2262,15 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
if (IS_ROOT(dentry)) {
dentry->d_parent = target->d_parent;
target->d_parent = target;
- INIT_LIST_HEAD(&target->d_u.d_child);
+ INIT_LIST_HEAD(&target->d_child);
} else {
swap(dentry->d_parent, target->d_parent);
/* And add them back to the (new) parent lists */
- list_add(&target->d_u.d_child, &target->d_parent->d_subdirs);
+ list_add(&target->d_child, &target->d_parent->d_subdirs);
}
- list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
+ list_add(&dentry->d_child, &dentry->d_parent->d_subdirs);
write_seqcount_end(&target->d_seq);
write_seqcount_end(&dentry->d_seq);
@@ -2369,18 +2377,18 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
swap(dentry->d_name.hash, anon->d_name.hash);
dentry->d_parent = (aparent == anon) ? dentry : aparent;
- list_del(&dentry->d_u.d_child);
+ list_del(&dentry->d_child);
if (!IS_ROOT(dentry))
- list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
+ list_add(&dentry->d_child, &dentry->d_parent->d_subdirs);
else
- INIT_LIST_HEAD(&dentry->d_u.d_child);
+ INIT_LIST_HEAD(&dentry->d_child);
anon->d_parent = (dparent == dentry) ? anon : dparent;
- list_del(&anon->d_u.d_child);
+ list_del(&anon->d_child);
if (!IS_ROOT(anon))
- list_add(&anon->d_u.d_child, &anon->d_parent->d_subdirs);
+ list_add(&anon->d_child, &anon->d_parent->d_subdirs);
else
- INIT_LIST_HEAD(&anon->d_u.d_child);
+ INIT_LIST_HEAD(&anon->d_child);
write_seqcount_end(&dentry->d_seq);
write_seqcount_end(&anon->d_seq);
@@ -2934,7 +2942,7 @@ repeat:
resume:
while (next != &this_parent->d_subdirs) {
struct list_head *tmp = next;
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
next = tmp->next;
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
@@ -2955,26 +2963,43 @@ resume:
}
spin_unlock(&dentry->d_lock);
}
+ rcu_read_lock();
+ascend:
if (this_parent != root) {
struct dentry *child = this_parent;
if (!(this_parent->d_flags & DCACHE_GENOCIDE)) {
this_parent->d_flags |= DCACHE_GENOCIDE;
this_parent->d_count--;
}
- this_parent = try_to_ascend(this_parent, locked, seq);
- if (!this_parent)
+ this_parent = child->d_parent;
+
+ spin_unlock(&child->d_lock);
+ spin_lock(&this_parent->d_lock);
+
+ /* might go back up the wrong parent if we have had a rename */
+ if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
- next = child->d_u.d_child.next;
+ next = child->d_child.next;
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
+ if (next == &this_parent->d_subdirs)
+ goto ascend;
+ child = list_entry(next, struct dentry, d_child);
+ next = next->next;
+ }
+ rcu_read_unlock();
goto resume;
}
- spin_unlock(&this_parent->d_lock);
if (!locked && read_seqretry(&rename_lock, seq))
goto rename_retry;
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (locked)
write_sequnlock(&rename_lock);
return;
rename_retry:
+ spin_unlock(&this_parent->d_lock);
+ rcu_read_unlock();
if (locked)
goto again;
locked = 1;
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 9dc6e76b7a90..47d64e9282bf 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -539,7 +539,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
parent = dentry;
down:
mutex_lock(&parent->d_inode->i_mutex);
- list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
+ list_for_each_entry_safe(child, next, &parent->d_subdirs, d_child) {
if (!debugfs_positive(child))
continue;
@@ -560,8 +560,8 @@ void debugfs_remove_recursive(struct dentry *dentry)
mutex_lock(&parent->d_inode->i_mutex);
if (child != dentry) {
- next = list_entry(child->d_u.d_child.next, struct dentry,
- d_u.d_child);
+ next = list_entry(child->d_child.next, struct dentry,
+ d_child);
goto up;
}
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index ea9931281557..3d0633891f28 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -2044,7 +2044,6 @@ ecryptfs_decode_from_filename(unsigned char *dst, size_t *dst_size,
break;
case 2:
dst[dst_byte_offset++] |= (src_byte);
- dst[dst_byte_offset] = 0;
current_bit_offset = 0;
break;
}
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index d45ba4568128..f04aa3303464 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -195,24 +195,12 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
{
int rc = 0;
struct ecryptfs_crypt_stat *crypt_stat = NULL;
- struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
struct dentry *ecryptfs_dentry = file->f_path.dentry;
/* Private value of ecryptfs_dentry allocated in
* ecryptfs_lookup() */
struct dentry *lower_dentry;
struct ecryptfs_file_info *file_info;
- mount_crypt_stat = &ecryptfs_superblock_to_private(
- ecryptfs_dentry->d_sb)->mount_crypt_stat;
- if ((mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED)
- && ((file->f_flags & O_WRONLY) || (file->f_flags & O_RDWR)
- || (file->f_flags & O_CREAT) || (file->f_flags & O_TRUNC)
- || (file->f_flags & O_APPEND))) {
- printk(KERN_WARNING "Mount has encrypted view enabled; "
- "files may only be read\n");
- rc = -EPERM;
- goto out;
- }
/* Released in ecryptfs_release or end of function if failure */
file_info = kmem_cache_zalloc(ecryptfs_file_info_cache, GFP_KERNEL);
ecryptfs_set_file_private(file, file_info);
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 240832e8b289..93b7bec021bc 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -494,6 +494,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
{
struct super_block *s;
struct ecryptfs_sb_info *sbi;
+ struct ecryptfs_mount_crypt_stat *mount_crypt_stat;
struct ecryptfs_dentry_info *root_info;
const char *err = "Getting sb failed";
struct inode *inode;
@@ -512,6 +513,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
err = "Error parsing options";
goto out;
}
+ mount_crypt_stat = &sbi->mount_crypt_stat;
s = sget(fs_type, NULL, set_anon_super, NULL);
if (IS_ERR(s)) {
@@ -557,11 +559,19 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags
/**
* Set the POSIX ACL flag based on whether they're enabled in the lower
- * mount. Force a read-only eCryptfs mount if the lower mount is ro.
- * Allow a ro eCryptfs mount even when the lower mount is rw.
+ * mount.
*/
s->s_flags = flags & ~MS_POSIXACL;
- s->s_flags |= path.dentry->d_sb->s_flags & (MS_RDONLY | MS_POSIXACL);
+ s->s_flags |= path.dentry->d_sb->s_flags & MS_POSIXACL;
+
+ /**
+ * Force a read-only eCryptfs mount when:
+ * 1) The lower mount is ro
+ * 2) The ecryptfs_encrypted_view mount option is specified
+ */
+ if (path.dentry->d_sb->s_flags & MS_RDONLY ||
+ mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED)
+ s->s_flags |= MS_RDONLY;
s->s_maxbytes = path.dentry->d_sb->s_maxbytes;
s->s_blocksize = path.dentry->d_sb->s_blocksize;
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index b05acb796135..3bbf5e75df0a 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -50,7 +50,7 @@ find_acceptable_alias(struct dentry *result,
inode = result->d_inode;
spin_lock(&inode->i_lock);
- list_for_each_entry(dentry, &inode->i_dentry, d_alias) {
+ list_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
dget(dentry);
spin_unlock(&inode->i_lock);
if (toput)
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index a8d03a4d3f8b..019c29c89824 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -139,7 +139,7 @@ static int ext4_sync_parent(struct inode *inode)
spin_lock(&inode->i_lock);
if (!list_empty(&inode->i_dentry)) {
dentry = list_first_entry(&inode->i_dentry,
- struct dentry, d_alias);
+ struct dentry, d_u.d_alias);
dget(dentry);
}
spin_unlock(&inode->i_lock);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index b35bd64fb548..f8458342593d 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -402,7 +402,6 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
/* Set I_SYNC, reset I_DIRTY_PAGES */
inode->i_state |= I_SYNC;
- inode->i_state &= ~I_DIRTY_PAGES;
spin_unlock(&inode->i_lock);
spin_unlock(&wb->list_lock);
@@ -425,9 +424,28 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
* write_inode()
*/
spin_lock(&inode->i_lock);
+
dirty = inode->i_state & I_DIRTY;
- inode->i_state &= ~(I_DIRTY_SYNC | I_DIRTY_DATASYNC);
+ inode->i_state &= ~I_DIRTY;
+
+ /*
+ * Paired with smp_mb() in __mark_inode_dirty(). This allows
+ * __mark_inode_dirty() to test i_state without grabbing i_lock -
+ * either they see the I_DIRTY bits cleared or we see the dirtied
+ * inode.
+ *
+ * I_DIRTY_PAGES is always cleared together above even if @mapping
+ * still has dirty pages. The flag is reinstated after smp_mb() if
+ * necessary. This guarantees that either __mark_inode_dirty()
+ * sees clear I_DIRTY_PAGES or we see PAGECACHE_TAG_DIRTY.
+ */
+ smp_mb();
+
+ if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))
+ inode->i_state |= I_DIRTY_PAGES;
+
spin_unlock(&inode->i_lock);
+
/* Don't write the inode if only I_DIRTY_PAGES was set */
if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
int err = write_inode(inode, wbc);
@@ -453,7 +471,6 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
* We didn't write back all the pages. nfs_writepages()
* sometimes bales out without doing anything.
*/
- inode->i_state |= I_DIRTY_PAGES;
if (wbc->nr_to_write <= 0) {
/*
* slice used up: queue for next turn
@@ -1074,12 +1091,11 @@ void __mark_inode_dirty(struct inode *inode, int flags)
}
/*
- * make sure that changes are seen by all cpus before we test i_state
- * -- mikulas
+ * Paired with smp_mb() in __writeback_single_inode() for the
+ * following lockless i_state test. See there for details.
*/
smp_mb();
- /* avoid the locking if we can */
if ((inode->i_state & flags) == flags)
return;
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index ee62cc0c2499..17809499c752 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -30,6 +30,7 @@ struct rock_state {
int cont_size;
int cont_extent;
int cont_offset;
+ int cont_loops;
struct inode *inode;
};
@@ -73,6 +74,9 @@ static void init_rock_state(struct rock_state *rs, struct inode *inode)
rs->inode = inode;
}
+/* Maximum number of Rock Ridge continuation entries */
+#define RR_MAX_CE_ENTRIES 32
+
/*
* Returns 0 if the caller should continue scanning, 1 if the scan must end
* and -ve on error.
@@ -105,6 +109,8 @@ static int rock_continue(struct rock_state *rs)
goto out;
}
ret = -EIO;
+ if (++rs->cont_loops >= RR_MAX_CE_ENTRIES)
+ goto out;
bh = sb_bread(rs->inode->i_sb, rs->cont_extent);
if (bh) {
memcpy(rs->buffer, bh->b_data + rs->cont_offset,
@@ -356,6 +362,9 @@ repeat:
rs.cont_size = isonum_733(rr->u.CE.size);
break;
case SIG('E', 'R'):
+ /* Invalid length of ER tag id? */
+ if (rr->u.ER.len_id + offsetof(struct rock_ridge, u.ER.data) > rr->len)
+ goto out;
ISOFS_SB(inode->i_sb)->s_rock = 1;
printk(KERN_DEBUG "ISO 9660 Extensions: ");
{
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index b6f17c0b7718..33c8624f2286 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -3103,7 +3103,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
* self "."
*/
filp->f_pos = 1;
- if (filldir(dirent, ".", 1, 0, ip->i_ino,
+ if (filldir(dirent, ".", 1, 1, ip->i_ino,
DT_DIR))
return 0;
}
@@ -3111,7 +3111,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
* parent ".."
*/
filp->f_pos = 2;
- if (filldir(dirent, "..", 2, 1, PARENT(ip), DT_DIR))
+ if (filldir(dirent, "..", 2, 2, PARENT(ip), DT_DIR))
return 0;
/*
diff --git a/fs/libfs.c b/fs/libfs.c
index 18d08f5db53a..65c126f0d5e0 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -104,18 +104,18 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
spin_lock(&dentry->d_lock);
/* d_lock not required for cursor */
- list_del(&cursor->d_u.d_child);
+ list_del(&cursor->d_child);
p = dentry->d_subdirs.next;
while (n && p != &dentry->d_subdirs) {
struct dentry *next;
- next = list_entry(p, struct dentry, d_u.d_child);
+ next = list_entry(p, struct dentry, d_child);
spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
if (simple_positive(next))
n--;
spin_unlock(&next->d_lock);
p = p->next;
}
- list_add_tail(&cursor->d_u.d_child, p);
+ list_add_tail(&cursor->d_child, p);
spin_unlock(&dentry->d_lock);
}
}
@@ -139,7 +139,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
{
struct dentry *dentry = filp->f_path.dentry;
struct dentry *cursor = filp->private_data;
- struct list_head *p, *q = &cursor->d_u.d_child;
+ struct list_head *p, *q = &cursor->d_child;
ino_t ino;
int i = filp->f_pos;
@@ -165,7 +165,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
struct dentry *next;
- next = list_entry(p, struct dentry, d_u.d_child);
+ next = list_entry(p, struct dentry, d_child);
spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
if (!simple_positive(next)) {
spin_unlock(&next->d_lock);
@@ -289,7 +289,7 @@ int simple_empty(struct dentry *dentry)
int ret = 0;
spin_lock(&dentry->d_lock);
- list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child) {
+ list_for_each_entry(child, &dentry->d_subdirs, d_child) {
spin_lock_nested(&child->d_lock, DENTRY_D_LOCK_NESTED);
if (simple_positive(child)) {
spin_unlock(&child->d_lock);
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 9560fd7f5c7a..ba792a0ab9f2 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -391,7 +391,7 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
spin_lock(&parent->d_lock);
next = parent->d_subdirs.next;
while (next != &parent->d_subdirs) {
- dent = list_entry(next, struct dentry, d_u.d_child);
+ dent = list_entry(next, struct dentry, d_child);
if ((unsigned long)dent->d_fsdata == fpos) {
if (dent->d_inode)
dget(dent);
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 6958adfaff08..0a76def69d95 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -445,7 +445,6 @@ static long __ncp_ioctl(struct inode *inode, unsigned int cmd, unsigned long arg
result = -EIO;
}
}
- result = 0;
}
mutex_unlock(&server->root_setup_lock);
diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
index 32c06587351a..6d5e7c56c79d 100644
--- a/fs/ncpfs/ncplib_kernel.h
+++ b/fs/ncpfs/ncplib_kernel.h
@@ -194,7 +194,7 @@ ncp_renew_dentries(struct dentry *parent)
spin_lock(&parent->d_lock);
next = parent->d_subdirs.next;
while (next != &parent->d_subdirs) {
- dentry = list_entry(next, struct dentry, d_u.d_child);
+ dentry = list_entry(next, struct dentry, d_child);
if (dentry->d_fsdata == NULL)
ncp_age_dentry(server, dentry);
@@ -216,7 +216,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
spin_lock(&parent->d_lock);
next = parent->d_subdirs.next;
while (next != &parent->d_subdirs) {
- dentry = list_entry(next, struct dentry, d_u.d_child);
+ dentry = list_entry(next, struct dentry, d_child);
dentry->d_fsdata = NULL;
ncp_age_dentry(server, dentry);
next = next->next;
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
index 4ca6f5c8038e..b242f69557fd 100644
--- a/fs/nfs/getroot.c
+++ b/fs/nfs/getroot.c
@@ -62,7 +62,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
*/
spin_lock(&sb->s_root->d_inode->i_lock);
spin_lock(&sb->s_root->d_lock);
- list_del_init(&sb->s_root->d_alias);
+ list_del_init(&sb->s_root->d_u.d_alias);
spin_unlock(&sb->s_root->d_lock);
spin_unlock(&sb->s_root->d_inode->i_lock);
}
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index c8e9f637153a..ebf3f592ae14 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -784,8 +784,12 @@ static bool nfsd41_cb_get_slot(struct nfs4_client *clp, struct rpc_task *task)
{
if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
rpc_sleep_on(&clp->cl_cb_waitq, task, NULL);
- dprintk("%s slot is busy\n", __func__);
- return false;
+ /* Race breaker */
+ if (test_and_set_bit(0, &clp->cl_cb_slot_busy) != 0) {
+ dprintk("%s slot is busy\n", __func__);
+ return false;
+ }
+ rpc_wake_up_queued_task(&clp->cl_cb_waitq, task);
}
return true;
}
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 250add84da76..161a10c89cb7 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -128,7 +128,6 @@ enum {
* @ti_save: Backup of journal_info field of task_struct
* @ti_flags: Flags
* @ti_count: Nest level
- * @ti_garbage: List of inode to be put when releasing semaphore
*/
struct nilfs_transaction_info {
u32 ti_magic;
@@ -137,7 +136,6 @@ struct nilfs_transaction_info {
one of other filesystems has a bug. */
unsigned short ti_flags;
unsigned short ti_count;
- struct list_head ti_garbage;
};
/* ti_magic */
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index e0a5a181fa46..7bb866c5e4d5 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -302,7 +302,6 @@ static void nilfs_transaction_lock(struct super_block *sb,
ti->ti_count = 0;
ti->ti_save = cur_ti;
ti->ti_magic = NILFS_TI_MAGIC;
- INIT_LIST_HEAD(&ti->ti_garbage);
current->journal_info = ti;
for (;;) {
@@ -329,8 +328,6 @@ static void nilfs_transaction_unlock(struct super_block *sb)
up_write(&nilfs->ns_segctor_sem);
current->journal_info = ti->ti_save;
- if (!list_empty(&ti->ti_garbage))
- nilfs_dispose_list(nilfs, &ti->ti_garbage, 0);
}
static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci,
@@ -743,6 +740,15 @@ static void nilfs_dispose_list(struct the_nilfs *nilfs,
}
}
+static void nilfs_iput_work_func(struct work_struct *work)
+{
+ struct nilfs_sc_info *sci = container_of(work, struct nilfs_sc_info,
+ sc_iput_work);
+ struct the_nilfs *nilfs = sci->sc_super->s_fs_info;
+
+ nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 0);
+}
+
static int nilfs_test_metadata_dirty(struct the_nilfs *nilfs,
struct nilfs_root *root)
{
@@ -1896,8 +1902,9 @@ static int nilfs_segctor_collect_dirty_files(struct nilfs_sc_info *sci,
static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
struct the_nilfs *nilfs)
{
- struct nilfs_transaction_info *ti = current->journal_info;
struct nilfs_inode_info *ii, *n;
+ int during_mount = !(sci->sc_super->s_flags & MS_ACTIVE);
+ int defer_iput = false;
spin_lock(&nilfs->ns_inode_lock);
list_for_each_entry_safe(ii, n, &sci->sc_dirty_files, i_dirty) {
@@ -1908,9 +1915,24 @@ static void nilfs_segctor_drop_written_files(struct nilfs_sc_info *sci,
clear_bit(NILFS_I_BUSY, &ii->i_state);
brelse(ii->i_bh);
ii->i_bh = NULL;
- list_move_tail(&ii->i_dirty, &ti->ti_garbage);
+ list_del_init(&ii->i_dirty);
+ if (!ii->vfs_inode.i_nlink || during_mount) {
+ /*
+ * Defer calling iput() to avoid deadlocks if
+ * i_nlink == 0 or mount is not yet finished.
+ */
+ list_add_tail(&ii->i_dirty, &sci->sc_iput_queue);
+ defer_iput = true;
+ } else {
+ spin_unlock(&nilfs->ns_inode_lock);
+ iput(&ii->vfs_inode);
+ spin_lock(&nilfs->ns_inode_lock);
+ }
}
spin_unlock(&nilfs->ns_inode_lock);
+
+ if (defer_iput)
+ schedule_work(&sci->sc_iput_work);
}
/*
@@ -2577,6 +2599,8 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct super_block *sb,
INIT_LIST_HEAD(&sci->sc_segbufs);
INIT_LIST_HEAD(&sci->sc_write_logs);
INIT_LIST_HEAD(&sci->sc_gc_inodes);
+ INIT_LIST_HEAD(&sci->sc_iput_queue);
+ INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func);
init_timer(&sci->sc_timer);
sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT;
@@ -2603,6 +2627,8 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info *sci)
ret = nilfs_segctor_construct(sci, SC_LSEG_SR);
nilfs_transaction_unlock(sci->sc_super);
+ flush_work(&sci->sc_iput_work);
+
} while (ret && retrycount-- > 0);
}
@@ -2627,6 +2653,9 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
|| sci->sc_seq_request != sci->sc_seq_done);
spin_unlock(&sci->sc_state_lock);
+ if (flush_work(&sci->sc_iput_work))
+ flag = true;
+
if (flag || !nilfs_segctor_confirm(sci))
nilfs_segctor_write_out(sci);
@@ -2636,6 +2665,12 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
nilfs_dispose_list(nilfs, &sci->sc_dirty_files, 1);
}
+ if (!list_empty(&sci->sc_iput_queue)) {
+ nilfs_warning(sci->sc_super, __func__,
+ "iput queue is not empty\n");
+ nilfs_dispose_list(nilfs, &sci->sc_iput_queue, 1);
+ }
+
WARN_ON(!list_empty(&sci->sc_segbufs));
WARN_ON(!list_empty(&sci->sc_write_logs));
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 38a1d0013314..a48d6de1e02c 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -26,6 +26,7 @@
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/buffer_head.h>
+#include <linux/workqueue.h>
#include <linux/nilfs2_fs.h>
#include "nilfs.h"
@@ -92,6 +93,8 @@ struct nilfs_segsum_pointer {
* @sc_nblk_inc: Block count of current generation
* @sc_dirty_files: List of files to be written
* @sc_gc_inodes: List of GC inodes having blocks to be written
+ * @sc_iput_queue: list of inodes for which iput should be done
+ * @sc_iput_work: work struct to defer iput call
* @sc_freesegs: array of segment numbers to be freed
* @sc_nfreesegs: number of segments on @sc_freesegs
* @sc_dsync_inode: inode whose data pages are written for a sync operation
@@ -135,6 +138,8 @@ struct nilfs_sc_info {
struct list_head sc_dirty_files;
struct list_head sc_gc_inodes;
+ struct list_head sc_iput_queue;
+ struct work_struct sc_iput_work;
__u64 *sc_freesegs;
size_t sc_nfreesegs;
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index ccb14d3fc0de..e5b6db6634d1 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -63,14 +63,14 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
spin_lock(&inode->i_lock);
/* run all of the dentries associated with this inode. Since this is a
* directory, there damn well better only be one item on this list */
- list_for_each_entry(alias, &inode->i_dentry, d_alias) {
+ list_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
struct dentry *child;
/* run all of the children of the original inode and fix their
* d_flags to indicate parental interest (their parent is the
* original inode) */
spin_lock(&alias->d_lock);
- list_for_each_entry(child, &alias->d_subdirs, d_u.d_child) {
+ list_for_each_entry(child, &alias->d_subdirs, d_child) {
if (!child->d_inode)
continue;
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index b13c00ac48eb..df6daccf49ba 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -282,20 +282,25 @@ void fsnotify_unmount_inodes(struct list_head *list)
spin_unlock(&inode->i_lock);
/* In case the dropping of a reference would nuke next_i. */
- if ((&next_i->i_sb_list != list) &&
- atomic_read(&next_i->i_count)) {
+ while (&next_i->i_sb_list != list) {
spin_lock(&next_i->i_lock);
- if (!(next_i->i_state & (I_FREEING | I_WILL_FREE))) {
+ if (!(next_i->i_state & (I_FREEING | I_WILL_FREE)) &&
+ atomic_read(&next_i->i_count)) {
__iget(next_i);
need_iput = next_i;
+ spin_unlock(&next_i->i_lock);
+ break;
}
spin_unlock(&next_i->i_lock);
+ next_i = list_entry(next_i->i_sb_list.next,
+ struct inode, i_sb_list);
}
/*
- * We can safely drop inode_sb_list_lock here because we hold
- * references on both inode and next_i. Also no new inodes
- * will be added since the umount has begun.
+ * We can safely drop inode_sb_list_lock here because either
+ * we actually hold references on both inode and next_i or
+ * end of list. Also no new inodes will be added since the
+ * umount has begun.
*/
spin_unlock(&inode_sb_list_lock);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 340bd02839be..e9829ca38fd7 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -917,7 +917,7 @@ void ocfs2_unlock_and_free_pages(struct page **pages, int num_pages)
}
}
-static void ocfs2_free_write_ctxt(struct ocfs2_write_ctxt *wc)
+static void ocfs2_unlock_pages(struct ocfs2_write_ctxt *wc)
{
int i;
@@ -938,7 +938,11 @@ static void ocfs2_free_write_ctxt(struct ocfs2_write_ctxt *wc)
page_cache_release(wc->w_target_page);
}
ocfs2_unlock_and_free_pages(wc->w_pages, wc->w_num_pages);
+}
+static void ocfs2_free_write_ctxt(struct ocfs2_write_ctxt *wc)
+{
+ ocfs2_unlock_pages(wc);
brelse(wc->w_di_bh);
kfree(wc);
}
@@ -2059,11 +2063,19 @@ out_write_size:
di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
ocfs2_journal_dirty(handle, wc->w_di_bh);
+ /* unlock pages before dealloc since it needs acquiring j_trans_barrier
+ * lock, or it will cause a deadlock since journal commit threads holds
+ * this lock and will ask for the page lock when flushing the data.
+ * put it here to preserve the unlock order.
+ */
+ ocfs2_unlock_pages(wc);
+
ocfs2_commit_trans(osb, handle);
ocfs2_run_deallocs(osb, &wc->w_dealloc);
- ocfs2_free_write_ctxt(wc);
+ brelse(wc->w_di_bh);
+ kfree(wc);
return copied;
}
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index e5ba34818332..26977cc14ae4 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -175,7 +175,7 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode,
spin_lock(&inode->i_lock);
list_for_each(p, &inode->i_dentry) {
- dentry = list_entry(p, struct dentry, d_alias);
+ dentry = list_entry(p, struct dentry, d_u.d_alias);
spin_lock(&dentry->d_lock);
if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index e296572c73ed..f65c5da2ac76 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -159,7 +159,7 @@ static int show_stat(struct seq_file *p, void *v)
/* sum again ? it could be updated? */
for_each_irq_nr(j)
- seq_put_decimal_ull(p, ' ', kstat_irqs(j));
+ seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j));
seq_printf(p,
"\nctxt %llu\n"
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8df7fd28cca7..bc179339eb26 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -985,9 +985,19 @@ out:
return ret;
}
+static int pagemap_open(struct inode *inode, struct file *file)
+{
+ /* do not disclose physical addresses to unprivileged
+ userspace (closes a rowhammer attack vector) */
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ return 0;
+}
+
const struct file_operations proc_pagemap_operations = {
.llseek = mem_lseek, /* borrow this */
.read = pagemap_read,
+ .open = pagemap_open,
};
#endif /* CONFIG_PROC_PAGE_MONITOR */
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index eb8bfe2b89a5..56341af63acb 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -163,7 +163,8 @@ static int do_udf_readdir(struct inode *dir, struct file *filp,
struct kernel_lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation);
iblock = udf_get_lb_pblock(dir->i_sb, &tloc, 0);
- flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+ flen = udf_get_filename(dir->i_sb, nameptr, lfi, fname,
+ UDF_NAME_LEN);
dt_type = DT_UNKNOWN;
}
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index aa70035fb402..8053ee75d297 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1392,6 +1392,20 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
iinfo->i_lenEAttr;
}
+ /* Sanity checks for files in ICB so that we don't get confused later */
+ if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+ /*
+ * For file in ICB data is stored in allocation descriptor
+ * so sizes should match
+ */
+ if (iinfo->i_lenAlloc != inode->i_size)
+ return;
+ /* File in ICB has to fit in there... */
+ if (inode->i_size > inode->i_sb->s_blocksize -
+ udf_file_entry_alloc_offset(inode))
+ return;
+ }
+
switch (fe->icbTag.fileType) {
case ICBTAG_FILE_TYPE_DIRECTORY:
inode->i_op = &udf_dir_inode_operations;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 78bff11169ea..407c1296b7c7 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -233,7 +233,8 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
if (!lfi)
continue;
- flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi);
+ flen = udf_get_filename(dir->i_sb, nameptr, lfi, fname,
+ UDF_NAME_LEN);
if (flen && udf_match(flen, fname, child->len, child->name))
goto out_ok;
}
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index d7c6dbe4194b..0422b7b8369f 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -30,49 +30,73 @@
#include <linux/buffer_head.h>
#include "udf_i.h"
-static void udf_pc_to_char(struct super_block *sb, unsigned char *from,
- int fromlen, unsigned char *to)
+static int udf_pc_to_char(struct super_block *sb, unsigned char *from,
+ int fromlen, unsigned char *to, int tolen)
{
struct pathComponent *pc;
int elen = 0;
+ int comp_len;
unsigned char *p = to;
+ /* Reserve one byte for terminating \0 */
+ tolen--;
while (elen < fromlen) {
pc = (struct pathComponent *)(from + elen);
+ elen += sizeof(struct pathComponent);
switch (pc->componentType) {
case 1:
/*
* Symlink points to some place which should be agreed
* upon between originator and receiver of the media. Ignore.
*/
- if (pc->lengthComponentIdent > 0)
+ if (pc->lengthComponentIdent > 0) {
+ elen += pc->lengthComponentIdent;
break;
+ }
/* Fall through */
case 2:
+ if (tolen == 0)
+ return -ENAMETOOLONG;
p = to;
*p++ = '/';
+ tolen--;
break;
case 3:
+ if (tolen < 3)
+ return -ENAMETOOLONG;
memcpy(p, "../", 3);
p += 3;
+ tolen -= 3;
break;
case 4:
+ if (tolen < 2)
+ return -ENAMETOOLONG;
memcpy(p, "./", 2);
p += 2;
+ tolen -= 2;
/* that would be . - just ignore */
break;
case 5:
- p += udf_get_filename(sb, pc->componentIdent, p,
- pc->lengthComponentIdent);
+ elen += pc->lengthComponentIdent;
+ if (elen > fromlen)
+ return -EIO;
+ comp_len = udf_get_filename(sb, pc->componentIdent,
+ pc->lengthComponentIdent,
+ p, tolen);
+ p += comp_len;
+ tolen -= comp_len;
+ if (tolen == 0)
+ return -ENAMETOOLONG;
*p++ = '/';
+ tolen--;
break;
}
- elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
}
if (p > to + 1)
p[-1] = '\0';
else
p[0] = '\0';
+ return 0;
}
static int udf_symlink_filler(struct file *file, struct page *page)
@@ -80,11 +104,17 @@ static int udf_symlink_filler(struct file *file, struct page *page)
struct inode *inode = page->mapping->host;
struct buffer_head *bh = NULL;
unsigned char *symlink;
- int err = -EIO;
+ int err;
unsigned char *p = kmap(page);
struct udf_inode_info *iinfo;
uint32_t pos;
+ /* We don't support symlinks longer than one block */
+ if (inode->i_size > inode->i_sb->s_blocksize) {
+ err = -ENAMETOOLONG;
+ goto out_unmap;
+ }
+
iinfo = UDF_I(inode);
pos = udf_block_map(inode, 0);
@@ -94,14 +124,18 @@ static int udf_symlink_filler(struct file *file, struct page *page)
} else {
bh = sb_bread(inode->i_sb, pos);
- if (!bh)
- goto out;
+ if (!bh) {
+ err = -EIO;
+ goto out_unlock_inode;
+ }
symlink = bh->b_data;
}
- udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p);
+ err = udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p, PAGE_SIZE);
brelse(bh);
+ if (err)
+ goto out_unlock_inode;
up_read(&iinfo->i_data_sem);
SetPageUptodate(page);
@@ -109,9 +143,10 @@ static int udf_symlink_filler(struct file *file, struct page *page)
unlock_page(page);
return 0;
-out:
+out_unlock_inode:
up_read(&iinfo->i_data_sem);
SetPageError(page);
+out_unmap:
kunmap(page);
unlock_page(page);
return err;
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index ebe10314e512..375f64884c7b 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -207,7 +207,8 @@ udf_get_lb_pblock(struct super_block *sb, struct kernel_lb_addr *loc,
}
/* unicode.c */
-extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
+extern int udf_get_filename(struct super_block *, uint8_t *, int, uint8_t *,
+ int);
extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
int);
extern int udf_build_ustr(struct ustr *, dstring *, int);
diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
index 44b815e57f94..d29c06fbf4ce 100644
--- a/fs/udf/unicode.c
+++ b/fs/udf/unicode.c
@@ -28,7 +28,8 @@
#include "udf_sb.h"
-static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
+static int udf_translate_to_linux(uint8_t *, int, uint8_t *, int, uint8_t *,
+ int);
static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
{
@@ -333,8 +334,8 @@ try_again:
return u_len + 1;
}
-int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
- int flen)
+int udf_get_filename(struct super_block *sb, uint8_t *sname, int slen,
+ uint8_t *dname, int dlen)
{
struct ustr *filename, *unifilename;
int len = 0;
@@ -347,7 +348,7 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
if (!unifilename)
goto out1;
- if (udf_build_ustr_exact(unifilename, sname, flen))
+ if (udf_build_ustr_exact(unifilename, sname, slen))
goto out2;
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
@@ -366,7 +367,8 @@ int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname,
} else
goto out2;
- len = udf_translate_to_linux(dname, filename->u_name, filename->u_len,
+ len = udf_translate_to_linux(dname, dlen,
+ filename->u_name, filename->u_len,
unifilename->u_name, unifilename->u_len);
out2:
kfree(unifilename);
@@ -403,10 +405,12 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname,
#define EXT_MARK '.'
#define CRC_MARK '#'
#define EXT_SIZE 5
+/* Number of chars we need to store generated CRC to make filename unique */
+#define CRC_LEN 5
-static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
- int udfLen, uint8_t *fidName,
- int fidNameLen)
+static int udf_translate_to_linux(uint8_t *newName, int newLen,
+ uint8_t *udfName, int udfLen,
+ uint8_t *fidName, int fidNameLen)
{
int index, newIndex = 0, needsCRC = 0;
int extIndex = 0, newExtIndex = 0, hasExt = 0;
@@ -440,7 +444,7 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
newExtIndex = newIndex;
}
}
- if (newIndex < 256)
+ if (newIndex < newLen)
newName[newIndex++] = curr;
else
needsCRC = 1;
@@ -468,13 +472,13 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName,
}
ext[localExtIndex++] = curr;
}
- maxFilenameLen = 250 - localExtIndex;
+ maxFilenameLen = newLen - CRC_LEN - localExtIndex;
if (newIndex > maxFilenameLen)
newIndex = maxFilenameLen;
else
newIndex = newExtIndex;
- } else if (newIndex > 250)
- newIndex = 250;
+ } else if (newIndex > newLen - CRC_LEN)
+ newIndex = newLen - CRC_LEN;
newName[newIndex++] = CRC_MARK;
valueCRC = crc_itu_t(0, fidName, fidNameLen);
newName[newIndex++] = hexChar[(valueCRC & 0xf000) >> 12];
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 1332df02d8f2..31e55bf1df6d 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -105,15 +105,15 @@ struct dentry {
void *d_fsdata; /* fs-specific data */
struct list_head d_lru; /* LRU list */
+ struct list_head d_child; /* child of parent list */
+ struct list_head d_subdirs; /* our children */
/*
- * d_child and d_rcu can share memory
+ * d_alias and d_rcu can share memory
*/
union {
- struct list_head d_child; /* child of parent list */
+ struct list_head d_alias; /* inode alias list */
struct rcu_head d_rcu;
} d_u;
- struct list_head d_subdirs; /* our children */
- struct list_head d_alias; /* inode alias list */
};
/*
diff --git a/include/linux/device.h b/include/linux/device.h
index 5ad17cccdd71..e93fed98878a 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -835,6 +835,11 @@ extern __printf(5, 6)
struct device *device_create(struct class *cls, struct device *parent,
dev_t devt, void *drvdata,
const char *fmt, ...);
+extern __printf(6, 7)
+struct device *device_create_with_groups(struct class *cls,
+ struct device *parent, dev_t devt, void *drvdata,
+ const struct attribute_group **groups,
+ const char *fmt, ...);
extern void device_destroy(struct class *cls, dev_t devt);
/*
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 2fbd9053c2df..8e62498eeab3 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -104,8 +104,13 @@ static inline unsigned int kstat_irqs(unsigned int irq)
return sum;
}
+static inline unsigned int kstat_irqs_usr(unsigned int irq)
+{
+ return kstat_irqs(irq);
+}
#else
extern unsigned int kstat_irqs(unsigned int irq);
+extern unsigned int kstat_irqs_usr(unsigned int irq);
#endif
/*
diff --git a/include/linux/libata.h b/include/linux/libata.h
index dd16deb27dd8..764cd54dfea7 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -207,6 +207,7 @@ enum {
ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity
* led */
ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
+ ATA_FLAG_LOWTAG = (1 << 24), /* host wants lowest available tag */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 656b4e968991..ceebf63ef5da 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -841,6 +841,7 @@ static inline int page_mapped(struct page *page)
#define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */
#define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned small page */
#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */
+#define VM_FAULT_SIGSEGV 0x0040
#define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */
#define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */
@@ -848,8 +849,8 @@ static inline int page_mapped(struct page *page)
#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */
-#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \
- VM_FAULT_HWPOISON_LARGE)
+#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
+ VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)
/* Encode hstate index for a hwpoisoned large page */
#define VM_FAULT_SET_HINDEX(x) ((x) << 12)
@@ -1456,7 +1457,7 @@ extern int expand_downwards(struct vm_area_struct *vma,
#if VM_GROWSUP
extern int expand_upwards(struct vm_area_struct *vma, unsigned long address);
#else
- #define expand_upwards(vma, address) do { } while (0)
+ #define expand_upwards(vma, address) (0)
#endif
/* Look up the first VMA which satisfies addr < vm_end, NULL if none. */
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index fd07c4542cee..5a6cbf785265 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -37,6 +37,16 @@ struct anon_vma {
atomic_t refcount;
/*
+ * Count of child anon_vmas and VMAs which points to this anon_vma.
+ *
+ * This counter is used for making decision about reusing anon_vma
+ * instead of forking new one. See comments in function anon_vma_clone.
+ */
+ unsigned degree;
+
+ struct anon_vma *parent; /* Parent of this anon_vma */
+
+ /*
* NOTE: the LSB of the head.next is set by
* mm_take_all_locks() _after_ taking the above lock. So the
* head must only be read/written after taking the above lock
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 0010009b2f00..caf2e56bdf21 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -80,6 +80,15 @@ struct attribute_group {
#define __ATTR_NULL { .attr = { .name = NULL } }
+#define ATTRIBUTE_GROUPS(name) \
+static const struct attribute_group name##_group = { \
+ .attrs = name##_attrs, \
+}; \
+static const struct attribute_group *name##_groups[] = { \
+ &name##_group, \
+ NULL, \
+}
+
#define attr_name(_attr) (_attr).attr.name
struct file;
diff --git a/include/linux/time.h b/include/linux/time.h
index 03dce74e217c..bf1bb618b352 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -189,6 +189,19 @@ extern void getboottime(struct timespec *ts);
extern void monotonic_to_bootbased(struct timespec *ts);
extern void get_monotonic_boottime(struct timespec *ts);
+static inline bool timeval_valid(const struct timeval *tv)
+{
+ /* Dates before 1970 are bogus */
+ if (tv->tv_sec < 0)
+ return false;
+
+ /* Can't have more microseconds then a second */
+ if (tv->tv_usec < 0 || tv->tv_usec >= USEC_PER_SEC)
+ return false;
+
+ return true;
+}
+
extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
extern int timekeeping_valid_for_hres(void);
extern u64 timekeeping_max_deferment(void);
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index d0d2af09dcc6..0972470bb072 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -36,4 +36,15 @@
/* device can't handle device_qualifier descriptor requests */
#define USB_QUIRK_DEVICE_QUALIFIER 0x00000100
+/*
+ * For high speed and super speed interupt endpoints, the USB 2.0 and
+ * USB 3.0 spec require the interval in microframes
+ * (1 microframe = 125 microseconds) to be calculated as
+ * interval = 2 ^ (bInterval-1).
+ *
+ * Devices with this quirk report their bInterval as the result of this
+ * calculation instead of the exponent variable used in the calculation.
+ */
+#define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL 0x00000080
+
#endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 17df3600bcef..f2000e9804ea 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -64,7 +64,9 @@
US_FLAG(NO_READ_CAPACITY_16, 0x00080000) \
/* cannot handle READ_CAPACITY_16 */ \
US_FLAG(INITIAL_READ10, 0x00100000) \
- /* Initial READ(10) (and others) must be retried */
+ /* Initial READ(10) (and others) must be retried */ \
+ US_FLAG(BROKEN_FUA, 0x01000000) \
+ /* Cannot handle FUA in WRITE or READ CDBs */ \
#define US_FLAG(name, value) US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 2b779bf80cc0..f73e2c76bd8a 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -75,7 +75,11 @@ struct virtio_device {
void *priv;
};
-#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
+static inline struct virtio_device *dev_to_virtio(struct device *_dev)
+{
+ return container_of(_dev, struct virtio_device, dev);
+}
+
int register_virtio_device(struct virtio_device *dev);
void unregister_virtio_device(struct virtio_device *dev);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a2b84f598e2b..dd8d4918de2e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -186,7 +186,6 @@ int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
-void set_page_dirty_balance(struct page *page, int page_mkwrite);
void writeback_set_ratelimit(void);
void tag_pages_for_writeback(struct address_space *mapping,
pgoff_t start, pgoff_t end);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index a2ef81466b00..43c8bbcdb512 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -524,6 +524,11 @@ static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc)
asoc->pmtu_pending = 0;
}
+static inline bool sctp_chunk_pending(const struct sctp_chunk *chunk)
+{
+ return !list_empty(&chunk->list);
+}
+
/* Walk through a list of TLV parameters. Don't trust the
* individual parameter lengths and instead depend on
* the chunk length to indicate when to stop. Make sure
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 9148632b8204..4d1be75e3857 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -251,9 +251,9 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
int, __be16);
struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc,
union sctp_addr *addr);
-int sctp_verify_asconf(const struct sctp_association *asoc,
- struct sctp_paramhdr *param_hdr, void *chunk_end,
- struct sctp_paramhdr **errp);
+bool sctp_verify_asconf(const struct sctp_association *asoc,
+ struct sctp_chunk *chunk, bool addr_param_needed,
+ struct sctp_paramhdr **errp);
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
struct sctp_chunk *asconf);
int sctp_process_asconf_ack(struct sctp_association *asoc,
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index ba9698852321..d2f5f44d50f8 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -153,6 +153,7 @@ struct scsi_device {
unsigned no_read_capacity_16:1; /* Avoid READ_CAPACITY_16 cmds */
unsigned try_rc_10_first:1; /* Try READ_CAPACACITY_10 first */
unsigned is_visible:1; /* is the device visible in sysfs */
+ unsigned broken_fua:1; /* Don't set FUA bit */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
struct list_head event_list; /* asserted events */
diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h
index 2609048c1d44..3a34f6edc2d1 100644
--- a/include/sound/ak4113.h
+++ b/include/sound/ak4113.h
@@ -286,7 +286,7 @@ struct ak4113 {
ak4113_write_t *write;
ak4113_read_t *read;
void *private_data;
- unsigned int init:1;
+ atomic_t wq_processing;
spinlock_t lock;
unsigned char regmap[AK4113_WRITABLE_REGS];
struct snd_kcontrol *kctls[AK4113_CONTROLS];
diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 3ce69fd92523..69441161009c 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -168,7 +168,7 @@ struct ak4114 {
ak4114_write_t * write;
ak4114_read_t * read;
void * private_data;
- unsigned int init: 1;
+ atomic_t wq_processing;
spinlock_t lock;
unsigned char regmap[7];
unsigned char txcsb[5];
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index c776f8941175..34eda955e887 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -898,7 +898,7 @@ static void cgroup_clear_directory(struct dentry *dentry)
spin_lock(&dentry->d_lock);
node = dentry->d_subdirs.next;
while (node != &dentry->d_subdirs) {
- struct dentry *d = list_entry(node, struct dentry, d_u.d_child);
+ struct dentry *d = list_entry(node, struct dentry, d_child);
spin_lock_nested(&d->d_lock, DENTRY_D_LOCK_NESTED);
list_del_init(node);
@@ -932,7 +932,7 @@ static void cgroup_d_remove_dir(struct dentry *dentry)
parent = dentry->d_parent;
spin_lock(&parent->d_lock);
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
- list_del_init(&dentry->d_u.d_child);
+ list_del_init(&dentry->d_child);
spin_unlock(&dentry->d_lock);
spin_unlock(&parent->d_lock);
remove_dir(dentry);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 8e5c56b3b7d9..5a414405deef 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -74,6 +74,14 @@ extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
extern void mask_irq(struct irq_desc *desc);
extern void unmask_irq(struct irq_desc *desc);
+#ifdef CONFIG_SPARSE_IRQ
+extern void irq_lock_sparse(void);
+extern void irq_unlock_sparse(void);
+#else
+static inline void irq_lock_sparse(void) { }
+static inline void irq_unlock_sparse(void) { }
+#endif
+
extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action);
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 8ab8e9390297..07d45516b540 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -131,6 +131,16 @@ static void free_masks(struct irq_desc *desc)
static inline void free_masks(struct irq_desc *desc) { }
#endif
+void irq_lock_sparse(void)
+{
+ mutex_lock(&sparse_irq_lock);
+}
+
+void irq_unlock_sparse(void)
+{
+ mutex_unlock(&sparse_irq_lock);
+}
+
static struct irq_desc *alloc_desc(int irq, int node, struct module *owner)
{
struct irq_desc *desc;
@@ -167,6 +177,12 @@ static void free_desc(unsigned int irq)
unregister_irq_proc(irq, desc);
+ /*
+ * sparse_irq_lock protects also show_interrupts() and
+ * kstat_irq_usr(). Once we deleted the descriptor from the
+ * sparse tree we can free it. Access in proc will fail to
+ * lookup the descriptor.
+ */
mutex_lock(&sparse_irq_lock);
delete_irq_desc(irq);
mutex_unlock(&sparse_irq_lock);
@@ -489,6 +505,15 @@ void dynamic_irq_cleanup(unsigned int irq)
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
+/**
+ * kstat_irqs_cpu - Get the statistics for an interrupt on a cpu
+ * @irq: The interrupt number
+ * @cpu: The cpu number
+ *
+ * Returns the sum of interrupt counts on @cpu since boot for
+ * @irq. The caller must ensure that the interrupt is not removed
+ * concurrently.
+ */
unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
struct irq_desc *desc = irq_to_desc(irq);
@@ -497,6 +522,14 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
*per_cpu_ptr(desc->kstat_irqs, cpu) : 0;
}
+/**
+ * kstat_irqs - Get the statistics for an interrupt
+ * @irq: The interrupt number
+ *
+ * Returns the sum of interrupt counts on all cpus since boot for
+ * @irq. The caller must ensure that the interrupt is not removed
+ * concurrently.
+ */
unsigned int kstat_irqs(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
@@ -509,3 +542,22 @@ unsigned int kstat_irqs(unsigned int irq)
sum += *per_cpu_ptr(desc->kstat_irqs, cpu);
return sum;
}
+
+/**
+ * kstat_irqs_usr - Get the statistics for an interrupt
+ * @irq: The interrupt number
+ *
+ * Returns the sum of interrupt counts on all cpus since boot for
+ * @irq. Contrary to kstat_irqs() this can be called from any
+ * preemptible context. It's protected against concurrent removal of
+ * an interrupt descriptor when sparse irqs are enabled.
+ */
+unsigned int kstat_irqs_usr(unsigned int irq)
+{
+ int sum;
+
+ irq_lock_sparse();
+ sum = kstat_irqs(irq);
+ irq_unlock_sparse();
+ return sum;
+}
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4bd4faa6323a..fb655f5f9689 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -15,6 +15,23 @@
#include "internals.h"
+/*
+ * Access rules:
+ *
+ * procfs protects read/write of /proc/irq/N/ files against a
+ * concurrent free of the interrupt descriptor. remove_proc_entry()
+ * immediately prevents new read/writes to happen and waits for
+ * already running read/write functions to complete.
+ *
+ * We remove the proc entries first and then delete the interrupt
+ * descriptor from the radix tree and free it. So it is guaranteed
+ * that irq_to_desc(N) is valid as long as the read/writes are
+ * permitted by procfs.
+ *
+ * The read from /proc/interrupts is a different problem because there
+ * is no protection. So the lookup and the access to irqdesc
+ * information must be protected by sparse_irq_lock.
+ */
static struct proc_dir_entry *root_irq_dir;
#ifdef CONFIG_SMP
@@ -441,9 +458,10 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
}
+ irq_lock_sparse();
desc = irq_to_desc(i);
if (!desc)
- return 0;
+ goto outsparse;
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
@@ -481,6 +499,8 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
out:
raw_spin_unlock_irqrestore(&desc->lock, flags);
+outsparse:
+ irq_unlock_sparse();
return 0;
}
#endif
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 526c77d1b655..71429db2af2f 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -1293,7 +1293,12 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags)
(p->rt.nr_cpus_allowed > 1)) {
int target = find_lowest_rq(p);
- if (target != -1)
+ /*
+ * Don't bother moving it if the destination CPU is
+ * not running a lower priority task.
+ */
+ if (target != -1 &&
+ p->prio < cpu_rq(target)->rt.highest_prio.curr)
cpu = target;
}
rcu_read_unlock();
@@ -1570,6 +1575,16 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq)
lowest_rq = cpu_rq(cpu);
+ if (lowest_rq->rt.highest_prio.curr <= task->prio) {
+ /*
+ * Target rq has tasks of equal or higher priority,
+ * retrying does not release any lock and is unlikely
+ * to yield a different result.
+ */
+ lowest_rq = NULL;
+ break;
+ }
+
/* if the prio of this runqueue changed, try again */
if (double_lock_balance(rq, lowest_rq)) {
/*
diff --git a/kernel/time.c b/kernel/time.c
index a09529030093..0864d70da80d 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -186,6 +186,10 @@ SYSCALL_DEFINE2(settimeofday, struct timeval __user *, tv,
if (tv) {
if (copy_from_user(&user_tv, tv, sizeof(*tv)))
return -EFAULT;
+
+ if (!timeval_valid(&user_tv))
+ return -EINVAL;
+
new_ts.tv_sec = user_tv.tv_sec;
new_ts.tv_nsec = user_tv.tv_usec * NSEC_PER_USEC;
}
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 8b707100286b..e32587e7a6ca 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -660,6 +660,17 @@ int do_adjtimex(struct timex *txc)
return result;
}
+ /*
+ * Check for potential multiplication overflows that can
+ * only happen on 64-bit systems:
+ */
+ if ((txc->modes & ADJ_FREQUENCY) && (BITS_PER_LONG == 64)) {
+ if (LLONG_MIN / PPM_SCALE > txc->freq)
+ return -EINVAL;
+ if (LLONG_MAX / PPM_SCALE < txc->freq)
+ return -EINVAL;
+ }
+
getnstimeofday(&ts);
spin_lock_irq(&ntp_lock);
diff --git a/lib/checksum.c b/lib/checksum.c
index 12dceb27ff20..33f29f0197b7 100644
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -179,6 +179,15 @@ csum_partial_copy(const void *src, void *dst, int len, __wsum sum)
EXPORT_SYMBOL(csum_partial_copy);
#ifndef csum_tcpudp_nofold
+static inline u32 from64to32(u64 x)
+{
+ /* add up 32-bit and 32-bit for 32+c bit */
+ x = (x & 0xffffffff) + (x >> 32);
+ /* add up carry.. */
+ x = (x & 0xffffffff) + (x >> 32);
+ return (u32)x;
+}
+
__wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
@@ -193,8 +202,7 @@ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
#else
s += (proto + len) << 8;
#endif
- s += (s >> 32);
- return (__force __wsum)s;
+ return (__force __wsum)from64to32(s);
}
EXPORT_SYMBOL(csum_tcpudp_nofold);
#endif
diff --git a/mm/ksm.c b/mm/ksm.c
index 47c885368890..77c71185fb79 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -342,7 +342,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
else
ret = VM_FAULT_WRITE;
put_page(page);
- } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_OOM)));
+ } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
/*
* We must loop because handle_mm_fault() may back out if there's
* any difficulty e.g. if pte accessed bit gets updated concurrently.
diff --git a/mm/memory.c b/mm/memory.c
index c34e60a950aa..45cd14f0c7bf 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -847,20 +847,20 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
if (!pte_file(pte)) {
swp_entry_t entry = pte_to_swp_entry(pte);
- if (swap_duplicate(entry) < 0)
- return entry.val;
-
- /* make sure dst_mm is on swapoff's mmlist. */
- if (unlikely(list_empty(&dst_mm->mmlist))) {
- spin_lock(&mmlist_lock);
- if (list_empty(&dst_mm->mmlist))
- list_add(&dst_mm->mmlist,
- &src_mm->mmlist);
- spin_unlock(&mmlist_lock);
- }
- if (likely(!non_swap_entry(entry)))
+ if (likely(!non_swap_entry(entry))) {
+ if (swap_duplicate(entry) < 0)
+ return entry.val;
+
+ /* make sure dst_mm is on swapoff's mmlist. */
+ if (unlikely(list_empty(&dst_mm->mmlist))) {
+ spin_lock(&mmlist_lock);
+ if (list_empty(&dst_mm->mmlist))
+ list_add(&dst_mm->mmlist,
+ &src_mm->mmlist);
+ spin_unlock(&mmlist_lock);
+ }
rss[MM_SWAPENTS]++;
- else if (is_migration_entry(entry)) {
+ } else if (is_migration_entry(entry)) {
page = migration_entry_to_page(entry);
if (PageAnon(page))
@@ -1787,7 +1787,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
else
return -EFAULT;
}
- if (ret & VM_FAULT_SIGBUS)
+ if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
return i ? i : -EFAULT;
BUG();
}
@@ -1891,7 +1891,7 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
return -ENOMEM;
if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
return -EHWPOISON;
- if (ret & VM_FAULT_SIGBUS)
+ if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
return -EFAULT;
BUG();
}
@@ -2681,18 +2681,25 @@ reuse:
if (!dirty_page)
return ret;
- /*
- * Yes, Virginia, this is actually required to prevent a race
- * with clear_page_dirty_for_io() from clearing the page dirty
- * bit after it clear all dirty ptes, but before a racing
- * do_wp_page installs a dirty pte.
- *
- * __do_fault is protected similarly.
- */
if (!page_mkwrite) {
- wait_on_page_locked(dirty_page);
- set_page_dirty_balance(dirty_page, page_mkwrite);
+ struct address_space *mapping;
+ int dirtied;
+
+ lock_page(dirty_page);
+ dirtied = set_page_dirty(dirty_page);
+ VM_BUG_ON(dirty_page);
+ mapping = dirty_page->mapping;
+ unlock_page(dirty_page);
+
+ if (dirtied && mapping) {
+ /*
+ * Some device drivers do not set page.mapping
+ * but still dirty their pages
+ */
+ balance_dirty_pages_ratelimited(mapping);
+ }
}
+
put_page(dirty_page);
if (page_mkwrite) {
struct address_space *mapping = dirty_page->mapping;
@@ -3137,7 +3144,7 @@ static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned lo
if (prev && prev->vm_end == address)
return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM;
- expand_downwards(vma, address - PAGE_SIZE);
+ return expand_downwards(vma, address - PAGE_SIZE);
}
if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) {
struct vm_area_struct *next = vma->vm_next;
@@ -3146,7 +3153,7 @@ static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned lo
if (next && next->vm_start == address + PAGE_SIZE)
return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM;
- expand_upwards(vma, address + PAGE_SIZE);
+ return expand_upwards(vma, address + PAGE_SIZE);
}
return 0;
}
@@ -3168,7 +3175,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
/* Check if we need to add a guard page to the stack */
if (check_stack_guard_page(vma, address) < 0)
- return VM_FAULT_SIGBUS;
+ return VM_FAULT_SIGSEGV;
/* Use the zero-page for reads */
if (!(flags & FAULT_FLAG_WRITE)) {
diff --git a/mm/mmap.c b/mm/mmap.c
index 94fdbe8f3b99..208e70f1006d 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -567,9 +567,12 @@ again: remove_next = 1 + (end > next->vm_end);
* shrinking vma had, to cover any anon pages imported.
*/
if (exporter && exporter->anon_vma && !importer->anon_vma) {
- if (anon_vma_clone(importer, exporter))
- return -ENOMEM;
+ int error;
+
importer->anon_vma = exporter->anon_vma;
+ error = anon_vma_clone(importer, exporter);
+ if (error)
+ return error;
}
}
@@ -1727,14 +1730,17 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
{
struct mm_struct *mm = vma->vm_mm;
struct rlimit *rlim = current->signal->rlim;
- unsigned long new_start;
+ unsigned long new_start, actual_size;
/* address space limit tests */
if (!may_expand_vm(mm, grow))
return -ENOMEM;
/* Stack limit test */
- if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
+ actual_size = size;
+ if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN)))
+ actual_size -= PAGE_SIZE;
+ if (actual_size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
return -ENOMEM;
/* mlock limit tests */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 2a13b7997ac6..057884c2b4d9 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1394,16 +1394,6 @@ pause:
bdi_start_background_writeback(bdi);
}
-void set_page_dirty_balance(struct page *page, int page_mkwrite)
-{
- if (set_page_dirty(page) || page_mkwrite) {
- struct address_space *mapping = page_mapping(page);
-
- if (mapping)
- balance_dirty_pages_ratelimited(mapping);
- }
-}
-
static DEFINE_PER_CPU(int, bdp_ratelimits);
/*
@@ -1981,32 +1971,25 @@ EXPORT_SYMBOL(account_page_writeback);
* page dirty in that case, but not all the buffers. This is a "bottom-up"
* dirtying, whereas __set_page_dirty_buffers() is a "top-down" dirtying.
*
- * Most callers have locked the page, which pins the address_space in memory.
- * But zap_pte_range() does not lock the page, however in that case the
- * mapping is pinned by the vma's ->vm_file reference.
- *
- * We take care to handle the case where the page was truncated from the
- * mapping by re-checking page_mapping() inside tree_lock.
+ * The caller must ensure this doesn't race with truncation. Most will simply
+ * hold the page lock, but e.g. zap_pte_range() calls with the page mapped and
+ * the pte lock held, which also locks out truncat
*/
int __set_page_dirty_nobuffers(struct page *page)
{
if (!TestSetPageDirty(page)) {
struct address_space *mapping = page_mapping(page);
- struct address_space *mapping2;
unsigned long flags;
if (!mapping)
return 1;
spin_lock_irqsave(&mapping->tree_lock, flags);
- mapping2 = page_mapping(page);
- if (mapping2) { /* Race with truncate? */
- BUG_ON(mapping2 != mapping);
- WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
- account_page_dirtied(page, mapping);
- radix_tree_tag_set(&mapping->page_tree,
- page_index(page), PAGECACHE_TAG_DIRTY);
- }
+ BUG_ON(page_mapping(page) != mapping);
+ WARN_ON_ONCE(!PagePrivate(page) && !PageUptodate(page));
+ account_page_dirtied(page, mapping);
+ radix_tree_tag_set(&mapping->page_tree, page_index(page),
+ PAGECACHE_TAG_DIRTY);
spin_unlock_irqrestore(&mapping->tree_lock, flags);
if (mapping->host) {
/* !PageAnon && !swapper_space */
@@ -2163,12 +2146,10 @@ int clear_page_dirty_for_io(struct page *page)
/*
* We carefully synchronise fault handlers against
* installing a dirty pte and marking the page dirty
- * at this point. We do this by having them hold the
- * page lock at some point after installing their
- * pte, but before marking the page dirty.
- * Pages are always locked coming in here, so we get
- * the desired exclusion. See mm/memory.c:do_wp_page()
- * for more comments.
+ * at this point. We do this by having them hold the
+ * page lock while dirtying the page, and pages are
+ * always locked coming in here, so we get the desired
+ * exclusion.
*/
if (TestClearPageDirty(page)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
diff --git a/mm/rmap.c b/mm/rmap.c
index 695eaff55d77..57f503b185a9 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -72,6 +72,8 @@ static inline struct anon_vma *anon_vma_alloc(void)
anon_vma = kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
if (anon_vma) {
atomic_set(&anon_vma->refcount, 1);
+ anon_vma->degree = 1; /* Reference for first vma */
+ anon_vma->parent = anon_vma;
/*
* Initialise the anon_vma root to point to itself. If called
* from fork, the root will be reset to the parents anon_vma.
@@ -193,6 +195,8 @@ int anon_vma_prepare(struct vm_area_struct *vma)
if (likely(!vma->anon_vma)) {
vma->anon_vma = anon_vma;
anon_vma_chain_link(vma, avc, anon_vma);
+ /* vma reference or self-parent link for new root */
+ anon_vma->degree++;
allocated = NULL;
avc = NULL;
}
@@ -241,6 +245,14 @@ static inline void unlock_anon_vma_root(struct anon_vma *root)
/*
* Attach the anon_vmas from src to dst.
* Returns 0 on success, -ENOMEM on failure.
+ *
+ * If dst->anon_vma is NULL this function tries to find and reuse existing
+ * anon_vma which has no vmas and only one child anon_vma. This prevents
+ * degradation of anon_vma hierarchy to endless linear chain in case of
+ * constantly forking task. On the other hand, an anon_vma with more than one
+ * child isn't reused even if there was no alive vma, thus rmap walker has a
+ * good chance of avoiding scanning the whole hierarchy when it searches where
+ * page is mapped.
*/
int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
{
@@ -261,11 +273,32 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
anon_vma = pavc->anon_vma;
root = lock_anon_vma_root(root, anon_vma);
anon_vma_chain_link(dst, avc, anon_vma);
+
+ /*
+ * Reuse existing anon_vma if its degree lower than two,
+ * that means it has no vma and only one anon_vma child.
+ *
+ * Do not chose parent anon_vma, otherwise first child
+ * will always reuse it. Root anon_vma is never reused:
+ * it has self-parent reference and at least one child.
+ */
+ if (!dst->anon_vma && anon_vma != src->anon_vma &&
+ anon_vma->degree < 2)
+ dst->anon_vma = anon_vma;
}
+ if (dst->anon_vma)
+ dst->anon_vma->degree++;
unlock_anon_vma_root(root);
return 0;
enomem_failure:
+ /*
+ * dst->anon_vma is dropped here otherwise its degree can be incorrectly
+ * decremented in unlink_anon_vmas().
+ * We can safely do this because callers of anon_vma_clone() don't care
+ * about dst->anon_vma if anon_vma_clone() failed.
+ */
+ dst->anon_vma = NULL;
unlink_anon_vmas(dst);
return -ENOMEM;
}
@@ -329,6 +362,9 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
if (!pvma->anon_vma)
return 0;
+ /* Drop inherited anon_vma, we'll reuse existing or allocate new. */
+ vma->anon_vma = NULL;
+
/*
* First, attach the new VMA to the parent VMA's anon_vmas,
* so rmap can find non-COWed pages in child processes.
@@ -336,6 +372,10 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
if (anon_vma_clone(vma, pvma))
return -ENOMEM;
+ /* An existing anon_vma has been reused, all done then. */
+ if (vma->anon_vma)
+ return 0;
+
/* Then add our own anon_vma. */
anon_vma = anon_vma_alloc();
if (!anon_vma)
@@ -349,6 +389,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
* lock any of the anon_vmas in this anon_vma tree.
*/
anon_vma->root = pvma->anon_vma->root;
+ anon_vma->parent = pvma->anon_vma;
/*
* With refcounts, an anon_vma can stay around longer than the
* process it belongs to. The root anon_vma needs to be pinned until
@@ -359,6 +400,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
vma->anon_vma = anon_vma;
anon_vma_lock(anon_vma);
anon_vma_chain_link(vma, avc, anon_vma);
+ anon_vma->parent->degree++;
anon_vma_unlock(anon_vma);
return 0;
@@ -389,12 +431,16 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
* Leave empty anon_vmas on the list - we'll need
* to free them outside the lock.
*/
- if (list_empty(&anon_vma->head))
+ if (list_empty(&anon_vma->head)) {
+ anon_vma->parent->degree--;
continue;
+ }
list_del(&avc->same_vma);
anon_vma_chain_free(avc);
}
+ if (vma->anon_vma)
+ vma->anon_vma->degree--;
unlock_anon_vma_root(root);
/*
@@ -405,6 +451,7 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
struct anon_vma *anon_vma = avc->anon_vma;
+ BUG_ON(anon_vma->degree);
put_anon_vma(anon_vma);
list_del(&avc->same_vma);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3bb535b08822..c11fd9ea78c9 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3239,7 +3239,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn,
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) data;
u16 type, result;
- if (cmd_len != sizeof(*rsp))
+ if (cmd_len < sizeof(*rsp))
return -EPROTO;
type = __le16_to_cpu(rsp->type);
@@ -3445,7 +3445,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
struct l2cap_move_chan_cfm_rsp *rsp = data;
u16 icid;
- if (cmd_len < sizeof(*rsp))
+ if (cmd_len != sizeof(*rsp))
return -EPROTO;
icid = le16_to_cpu(rsp->icid);
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index d09340e1523f..b8d940398adc 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -467,7 +467,6 @@ static int ipcaif_newlink(struct net *src_net, struct net_device *dev,
ASSERT_RTNL();
caifdev = netdev_priv(dev);
caif_netlink_parms(data, &caifdev->conn_req);
- dev_net_set(caifdev->netdev, src_net);
ret = register_netdevice(dev);
if (ret)
diff --git a/net/compat.c b/net/compat.c
index 2c774d889d39..5b1750930916 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -71,6 +71,13 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg)
__get_user(kmsg->msg_controllen, &umsg->msg_controllen) ||
__get_user(kmsg->msg_flags, &umsg->msg_flags))
return -EFAULT;
+
+ if (!tmp1)
+ kmsg->msg_namelen = 0;
+
+ if (kmsg->msg_namelen < 0)
+ return -EINVAL;
+
if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))
kmsg->msg_namelen = sizeof(struct sockaddr_storage);
kmsg->msg_name = compat_ptr(tmp1);
diff --git a/net/core/dev.c b/net/core/dev.c
index 0770364832a1..901495216f85 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2143,12 +2143,14 @@ netdev_features_t netif_skb_features(struct sk_buff *skb)
if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
features &= ~NETIF_F_GSO_MASK;
- if (protocol == htons(ETH_P_8021Q)) {
- struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
- protocol = veh->h_vlan_encapsulated_proto;
- } else if (!vlan_tx_tag_present(skb)) {
- return harmonize_features(skb, protocol, features);
- }
+ if (!vlan_tx_tag_present(skb)) {
+ if (unlikely(protocol == htons(ETH_P_8021Q))) {
+ struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
+ protocol = veh->h_vlan_encapsulated_proto;
+ } else {
+ return harmonize_features(skb, protocol, features);
+ }
+ }
features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_TX);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5bb77a691327..2cfcfb7efa91 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -633,6 +633,29 @@ insert_above:
return ln;
}
+static void fib6_purge_rt(struct rt6_info *rt, struct fib6_node *fn,
+ struct net *net)
+{
+ if (atomic_read(&rt->rt6i_ref) != 1) {
+ /* This route is used as dummy address holder in some split
+ * nodes. It is not leaked, but it still holds other resources,
+ * which must be released in time. So, scan ascendant nodes
+ * and replace dummy references to this route with references
+ * to still alive ones.
+ */
+ while (fn) {
+ if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
+ fn->leaf = fib6_find_prefix(net, fn);
+ atomic_inc(&fn->leaf->rt6i_ref);
+ rt6_release(rt);
+ }
+ fn = fn->parent;
+ }
+ /* No more references are possible at this point. */
+ BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
+ }
+}
+
/*
* Insert routing information in a node.
*/
@@ -723,11 +746,12 @@ add:
rt->dst.rt6_next = iter->dst.rt6_next;
atomic_inc(&rt->rt6i_ref);
inet6_rt_notify(RTM_NEWROUTE, rt, info);
- rt6_release(iter);
if (!(fn->fn_flags & RTN_RTINFO)) {
info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
fn->fn_flags |= RTN_RTINFO;
}
+ fib6_purge_rt(iter, fn, info->nl_net);
+ rt6_release(iter);
}
return 0;
@@ -1229,24 +1253,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
fn = fib6_repair_tree(net, fn);
}
- if (atomic_read(&rt->rt6i_ref) != 1) {
- /* This route is used as dummy address holder in some split
- * nodes. It is not leaked, but it still holds other resources,
- * which must be released in time. So, scan ascendant nodes
- * and replace dummy references to this route with references
- * to still alive ones.
- */
- while (fn) {
- if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
- fn->leaf = fib6_find_prefix(net, fn);
- atomic_inc(&fn->leaf->rt6i_ref);
- rt6_release(rt);
- }
- fn = fn->parent;
- }
- /* No more references are possible at this point. */
- BUG_ON(atomic_read(&rt->rt6i_ref) != 1);
- }
+ fib6_purge_rt(rt, fn, net);
inet6_rt_notify(RTM_DELROUTE, rt, info);
rt6_release(rt);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 32929b07269f..24f2a4135edf 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1486,14 +1486,14 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
sc = le16_to_cpu(hdr->seq_ctrl);
frag = sc & IEEE80211_SCTL_FRAG;
- if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
- goto out;
-
if (is_multicast_ether_addr(hdr->addr1)) {
rx->local->dot11MulticastReceivedFrameCount++;
- goto out;
+ goto out_no_led;
}
+ if (likely(!ieee80211_has_morefrags(fc) && frag == 0))
+ goto out;
+
I802_DEBUG_INC(rx->local->rx_handlers_fragments);
if (skb_linearize(rx->skb))
@@ -1584,9 +1584,10 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
status->rx_flags |= IEEE80211_RX_FRAGMENTED;
out:
+ ieee80211_led_rx(rx->local);
+ out_no_led:
if (rx->sta)
rx->sta->rx_packets++;
- ieee80211_led_rx(rx->local);
return RX_CONTINUE;
}
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 00bdb1d9d690..abdb4755f382 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -662,16 +662,24 @@ static inline int ip_vs_gather_frags_v6(struct sk_buff *skb, u_int32_t user)
}
#endif
-static int ip_vs_route_me_harder(int af, struct sk_buff *skb)
+static int ip_vs_route_me_harder(int af, struct sk_buff *skb,
+ unsigned int hooknum)
{
+ if (!sysctl_snat_reroute(skb))
+ return 0;
+ /* Reroute replies only to remote clients (FORWARD and LOCAL_OUT) */
+ if (NF_INET_LOCAL_IN == hooknum)
+ return 0;
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
- if (sysctl_snat_reroute(skb) && ip6_route_me_harder(skb) != 0)
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (dst->dev && !(dst->dev->flags & IFF_LOOPBACK) &&
+ ip6_route_me_harder(skb) != 0)
return 1;
} else
#endif
- if ((sysctl_snat_reroute(skb) ||
- skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
+ if (!(skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
ip_route_me_harder(skb, RTN_LOCAL) != 0)
return 1;
@@ -782,7 +790,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
union nf_inet_addr *snet,
__u8 protocol, struct ip_vs_conn *cp,
struct ip_vs_protocol *pp,
- unsigned int offset, unsigned int ihl)
+ unsigned int offset, unsigned int ihl,
+ unsigned int hooknum)
{
unsigned int verdict = NF_DROP;
@@ -812,7 +821,7 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
#endif
ip_vs_nat_icmp(skb, pp, cp, 1);
- if (ip_vs_route_me_harder(af, skb))
+ if (ip_vs_route_me_harder(af, skb, hooknum))
goto out;
/* do the statistics and put it back */
@@ -908,7 +917,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
snet.ip = iph->saddr;
return handle_response_icmp(AF_INET, skb, &snet, cih->protocol, cp,
- pp, offset, ihl);
+ pp, offset, ihl, hooknum);
}
#ifdef CONFIG_IP_VS_IPV6
@@ -985,7 +994,8 @@ static int ip_vs_out_icmp_v6(struct sk_buff *skb, int *related,
snet.in6 = iph->saddr;
return handle_response_icmp(AF_INET6, skb, &snet, cih->nexthdr, cp,
- pp, offset, sizeof(struct ipv6hdr));
+ pp, offset, sizeof(struct ipv6hdr),
+ hooknum);
}
#endif
@@ -1018,7 +1028,7 @@ static inline int is_tcp_reset(const struct sk_buff *skb, int nh_len)
*/
static unsigned int
handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
- struct ip_vs_conn *cp, int ihl)
+ struct ip_vs_conn *cp, int ihl, unsigned int hooknum)
{
struct ip_vs_protocol *pp = pd->pp;
@@ -1056,7 +1066,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
* if it came from this machine itself. So re-compute
* the routing information.
*/
- if (ip_vs_route_me_harder(af, skb))
+ if (ip_vs_route_me_harder(af, skb, hooknum))
goto drop;
IP_VS_DBG_PKT(10, af, pp, skb, 0, "After SNAT");
@@ -1169,7 +1179,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
cp = pp->conn_out_get(af, skb, &iph, iph.len, 0);
if (likely(cp))
- return handle_response(af, skb, pd, cp, iph.len);
+ return handle_response(af, skb, pd, cp, iph.len, hooknum);
if (sysctl_nat_icmp_send(net) &&
(pp->protocol == IPPROTO_TCP ||
pp->protocol == IPPROTO_UDP ||
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index da54d2922f51..d014b053ad26 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1272,7 +1272,6 @@ void sctp_assoc_update(struct sctp_association *asoc,
asoc->peer.peer_hmacs = new->peer.peer_hmacs;
new->peer.peer_hmacs = NULL;
- sctp_auth_key_put(asoc->asoc_shared_key);
sctp_auth_asoc_init_active_key(asoc, GFP_ATOMIC);
}
@@ -1638,6 +1637,8 @@ struct sctp_chunk *sctp_assoc_lookup_asconf_ack(
* ack chunk whose serial number matches that of the request.
*/
list_for_each_entry(ack, &asoc->asconf_ack_list, transmitted_list) {
+ if (sctp_chunk_pending(ack))
+ continue;
if (ack->subh.addip_hdr->serial == serial) {
sctp_chunk_hold(ack);
return ack;
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index adb028746270..f1249b36837c 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2569,7 +2569,10 @@ do_addr_param:
addr_param = param.v + sizeof(sctp_addip_param_t);
- af = sctp_get_af_specific(param_type2af(param.p->type));
+ af = sctp_get_af_specific(param_type2af(addr_param->p.type));
+ if (af == NULL)
+ break;
+
af->from_addr_param(&addr, addr_param,
htons(asoc->peer.port), 0);
@@ -3068,50 +3071,63 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
return SCTP_ERROR_NO_ERROR;
}
-/* Verify the ASCONF packet before we process it. */
-int sctp_verify_asconf(const struct sctp_association *asoc,
- struct sctp_paramhdr *param_hdr, void *chunk_end,
- struct sctp_paramhdr **errp) {
- sctp_addip_param_t *asconf_param;
+/* Verify the ASCONF packet before we process it. */
+bool sctp_verify_asconf(const struct sctp_association *asoc,
+ struct sctp_chunk *chunk, bool addr_param_needed,
+ struct sctp_paramhdr **errp)
+{
+ sctp_addip_chunk_t *addip = (sctp_addip_chunk_t *) chunk->chunk_hdr;
union sctp_params param;
- int length, plen;
+ bool addr_param_seen = false;
- param.v = (sctp_paramhdr_t *) param_hdr;
- while (param.v <= chunk_end - sizeof(sctp_paramhdr_t)) {
- length = ntohs(param.p->length);
- *errp = param.p;
-
- if (param.v > chunk_end - length ||
- length < sizeof(sctp_paramhdr_t))
- return 0;
+ sctp_walk_params(param, addip, addip_hdr.params) {
+ size_t length = ntohs(param.p->length);
+ *errp = param.p;
switch (param.p->type) {
+ case SCTP_PARAM_ERR_CAUSE:
+ break;
+ case SCTP_PARAM_IPV4_ADDRESS:
+ if (length != sizeof(sctp_ipv4addr_param_t))
+ return false;
+ addr_param_seen = true;
+ break;
+ case SCTP_PARAM_IPV6_ADDRESS:
+ if (length != sizeof(sctp_ipv6addr_param_t))
+ return false;
+ addr_param_seen = true;
+ break;
case SCTP_PARAM_ADD_IP:
case SCTP_PARAM_DEL_IP:
case SCTP_PARAM_SET_PRIMARY:
- asconf_param = (sctp_addip_param_t *)param.v;
- plen = ntohs(asconf_param->param_hdr.length);
- if (plen < sizeof(sctp_addip_param_t) +
- sizeof(sctp_paramhdr_t))
- return 0;
+ /* In ASCONF chunks, these need to be first. */
+ if (addr_param_needed && !addr_param_seen)
+ return false;
+ length = ntohs(param.addip->param_hdr.length);
+ if (length < sizeof(sctp_addip_param_t) +
+ sizeof(sctp_paramhdr_t))
+ return false;
break;
case SCTP_PARAM_SUCCESS_REPORT:
case SCTP_PARAM_ADAPTATION_LAYER_IND:
if (length != sizeof(sctp_addip_param_t))
- return 0;
-
+ return false;
break;
default:
- break;
+ /* This is unkown to us, reject! */
+ return false;
}
-
- param.v += WORD_ROUND(length);
}
- if (param.v != chunk_end)
- return 0;
+ /* Remaining sanity checks. */
+ if (addr_param_needed && !addr_param_seen)
+ return false;
+ if (!addr_param_needed && addr_param_seen)
+ return false;
+ if (param.v != chunk->chunk_end)
+ return false;
- return 1;
+ return true;
}
/* Process an incoming ASCONF chunk with the next expected serial no. and
@@ -3120,16 +3136,17 @@ int sctp_verify_asconf(const struct sctp_association *asoc,
struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
struct sctp_chunk *asconf)
{
+ sctp_addip_chunk_t *addip = (sctp_addip_chunk_t *) asconf->chunk_hdr;
+ bool all_param_pass = true;
+ union sctp_params param;
sctp_addiphdr_t *hdr;
union sctp_addr_param *addr_param;
sctp_addip_param_t *asconf_param;
struct sctp_chunk *asconf_ack;
-
__be16 err_code;
int length = 0;
int chunk_len;
__u32 serial;
- int all_param_pass = 1;
chunk_len = ntohs(asconf->chunk_hdr->length) - sizeof(sctp_chunkhdr_t);
hdr = (sctp_addiphdr_t *)asconf->skb->data;
@@ -3157,9 +3174,14 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
goto done;
/* Process the TLVs contained within the ASCONF chunk. */
- while (chunk_len > 0) {
+ sctp_walk_params(param, addip, addip_hdr.params) {
+ /* Skip preceeding address parameters. */
+ if (param.p->type == SCTP_PARAM_IPV4_ADDRESS ||
+ param.p->type == SCTP_PARAM_IPV6_ADDRESS)
+ continue;
+
err_code = sctp_process_asconf_param(asoc, asconf,
- asconf_param);
+ param.addip);
/* ADDIP 4.1 A7)
* If an error response is received for a TLV parameter,
* all TLVs with no response before the failed TLV are
@@ -3167,28 +3189,20 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
* the failed response are considered unsuccessful unless
* a specific success indication is present for the parameter.
*/
- if (SCTP_ERROR_NO_ERROR != err_code)
- all_param_pass = 0;
-
+ if (err_code != SCTP_ERROR_NO_ERROR)
+ all_param_pass = false;
if (!all_param_pass)
- sctp_add_asconf_response(asconf_ack,
- asconf_param->crr_id, err_code,
- asconf_param);
+ sctp_add_asconf_response(asconf_ack, param.addip->crr_id,
+ err_code, param.addip);
/* ADDIP 4.3 D11) When an endpoint receiving an ASCONF to add
* an IP address sends an 'Out of Resource' in its response, it
* MUST also fail any subsequent add or delete requests bundled
* in the ASCONF.
*/
- if (SCTP_ERROR_RSRC_LOW == err_code)
+ if (err_code == SCTP_ERROR_RSRC_LOW)
goto done;
-
- /* Move to the next ASCONF param. */
- length = ntohs(asconf_param->param_hdr.length);
- asconf_param = (void *)asconf_param + length;
- chunk_len -= length;
}
-
done:
asoc->peer.addip_serial++;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 5ac33b600538..a6a300630af4 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3516,9 +3516,7 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
struct sctp_chunk *asconf_ack = NULL;
struct sctp_paramhdr *err_param = NULL;
sctp_addiphdr_t *hdr;
- union sctp_addr_param *addr_param;
__u32 serial;
- int length;
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
@@ -3543,17 +3541,8 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
hdr = (sctp_addiphdr_t *)chunk->skb->data;
serial = ntohl(hdr->serial);
- addr_param = (union sctp_addr_param *)hdr->params;
- length = ntohs(addr_param->p.length);
- if (length < sizeof(sctp_paramhdr_t))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
- (void *)addr_param, commands);
-
/* Verify the ASCONF chunk before processing it. */
- if (!sctp_verify_asconf(asoc,
- (sctp_paramhdr_t *)((void *)addr_param + length),
- (void *)chunk->chunk_end,
- &err_param))
+ if (!sctp_verify_asconf(asoc, chunk, true, &err_param))
return sctp_sf_violation_paramlen(ep, asoc, type, arg,
(void *)err_param, commands);
@@ -3670,10 +3659,7 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
rcvd_serial = ntohl(addip_hdr->serial);
/* Verify the ASCONF-ACK chunk before processing it. */
- if (!sctp_verify_asconf(asoc,
- (sctp_paramhdr_t *)addip_hdr->params,
- (void *)asconf_ack->chunk_end,
- &err_param))
+ if (!sctp_verify_asconf(asoc, asconf_ack, false, &err_param))
return sctp_sf_violation_paramlen(ep, asoc, type, arg,
(void *)err_param, commands);
diff --git a/net/socket.c b/net/socket.c
index cc3fc4d4263e..025f7f4d2d80 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1908,6 +1908,9 @@ static int copy_msghdr_from_user(struct msghdr *kmsg,
if (copy_from_user(kmsg, umsg, sizeof(struct msghdr)))
return -EFAULT;
+ if (kmsg->msg_name == NULL)
+ kmsg->msg_namelen = 0;
+
if (kmsg->msg_namelen < 0)
return -EINVAL;
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 4c23cfc0296c..a0769e1d4b8e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1055,17 +1055,12 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp)
xid = *p++;
calldir = *p;
- if (bc_xprt)
- req = xprt_lookup_rqst(bc_xprt, xid);
-
- if (!req) {
- printk(KERN_NOTICE
- "%s: Got unrecognized reply: "
- "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
- __func__, ntohl(calldir),
- bc_xprt, xid);
+ if (!bc_xprt)
return -EAGAIN;
- }
+ spin_lock_bh(&bc_xprt->transport_lock);
+ req = xprt_lookup_rqst(bc_xprt, xid);
+ if (!req)
+ goto unlock_notfound;
memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf));
/*
@@ -1076,11 +1071,21 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp)
dst = &req->rq_private_buf.head[0];
src = &rqstp->rq_arg.head[0];
if (dst->iov_len < src->iov_len)
- return -EAGAIN; /* whatever; just giving up. */
+ goto unlock_eagain; /* whatever; just giving up. */
memcpy(dst->iov_base, src->iov_base, src->iov_len);
xprt_complete_rqst(req->rq_task, svsk->sk_reclen);
rqstp->rq_arg.len = 0;
+ spin_unlock_bh(&bc_xprt->transport_lock);
return 0;
+unlock_notfound:
+ printk(KERN_NOTICE
+ "%s: Got unrecognized reply: "
+ "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
+ __func__, ntohl(calldir),
+ bc_xprt, ntohl(xid));
+unlock_eagain:
+ spin_unlock_bh(&bc_xprt->transport_lock);
+ return -EAGAIN;
}
static int copy_pages_to_kvecs(struct kvec *vec, struct page **pages, int len)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 52646f9ecc80..63c18079683a 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1868,6 +1868,9 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->get_key)
return -EOPNOTSUPP;
+ if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
+ return -ENOENT;
+
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return -ENOMEM;
@@ -1885,10 +1888,6 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
if (mac_addr)
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
- if (pairwise && mac_addr &&
- !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
- return -ENOENT;
-
err = rdev->ops->get_key(&rdev->wiphy, dev, key_idx, pairwise,
mac_addr, &cookie, get_key_callback);
@@ -2060,7 +2059,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
wdev_lock(dev->ieee80211_ptr);
err = nl80211_key_allowed(dev->ieee80211_ptr);
- if (key.type == NL80211_KEYTYPE_PAIRWISE && mac_addr &&
+ if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
!(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
err = -ENOENT;
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 858966ab019c..679218b56ede 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -262,7 +262,6 @@ if ($arch eq "x86_64") {
# force flags for this arch
$ld .= " -m shlelf_linux";
$objcopy .= " -O elf32-sh-linux";
- $cc .= " -m32";
} elsif ($arch eq "powerpc") {
$local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)";
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 2d1bb8af7696..a02f92302a52 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -1016,10 +1016,13 @@ static int __init init_encrypted(void)
ret = encrypted_shash_alloc();
if (ret < 0)
return ret;
+ ret = aes_get_sizes();
+ if (ret < 0)
+ goto out;
ret = register_key_type(&key_type_encrypted);
if (ret < 0)
goto out;
- return aes_get_sizes();
+ return 0;
out:
encrypted_shash_release();
return ret;
diff --git a/security/keys/gc.c b/security/keys/gc.c
index a42b45531aac..87632bd17b3e 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -188,12 +188,12 @@ static noinline void key_gc_unused_key(struct key *key)
if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags))
atomic_dec(&key->user->nikeys);
- key_user_put(key->user);
-
/* now throw away the key memory */
if (key->type->destroy)
key->type->destroy(key);
+ key_user_put(key->user);
+
kfree(key->description);
#ifdef KEY_DEBUGGING
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 3068d16cf128..0a9891e7ba94 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1191,7 +1191,7 @@ static void sel_remove_entries(struct dentry *de)
spin_lock(&de->d_lock);
node = de->d_subdirs.next;
while (node != &de->d_subdirs) {
- struct dentry *d = list_entry(node, struct dentry, d_u.d_child);
+ struct dentry *d = list_entry(node, struct dentry, d_child);
spin_lock_nested(&d->d_lock, DENTRY_D_LOCK_NESTED);
list_del_init(node);
@@ -1694,12 +1694,12 @@ static void sel_remove_classes(void)
list_for_each(class_node, &class_dir->d_subdirs) {
struct dentry *class_subdir = list_entry(class_node,
- struct dentry, d_u.d_child);
+ struct dentry, d_child);
struct list_head *class_subdir_node;
list_for_each(class_subdir_node, &class_subdir->d_subdirs) {
struct dentry *d = list_entry(class_subdir_node,
- struct dentry, d_u.d_child);
+ struct dentry, d_child);
if (d->d_inode)
if (d->d_inode->i_mode & S_IFDIR)
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index dbc550716790..f60d81497f28 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -82,36 +82,6 @@ struct snd_seq_dummy_port {
static int my_client = -1;
/*
- * unuse callback - send ALL_SOUNDS_OFF and RESET_CONTROLLERS events
- * to subscribers.
- * Note: this callback is called only after all subscribers are removed.
- */
-static int
-dummy_unuse(void *private_data, struct snd_seq_port_subscribe *info)
-{
- struct snd_seq_dummy_port *p;
- int i;
- struct snd_seq_event ev;
-
- p = private_data;
- memset(&ev, 0, sizeof(ev));
- if (p->duplex)
- ev.source.port = p->connect;
- else
- ev.source.port = p->port;
- ev.dest.client = SNDRV_SEQ_ADDRESS_SUBSCRIBERS;
- ev.type = SNDRV_SEQ_EVENT_CONTROLLER;
- for (i = 0; i < 16; i++) {
- ev.data.control.channel = i;
- ev.data.control.param = MIDI_CTL_ALL_SOUNDS_OFF;
- snd_seq_kernel_client_dispatch(p->client, &ev, 0, 0);
- ev.data.control.param = MIDI_CTL_RESET_CONTROLLERS;
- snd_seq_kernel_client_dispatch(p->client, &ev, 0, 0);
- }
- return 0;
-}
-
-/*
* event input callback - just redirect events to subscribers
*/
static int
@@ -175,7 +145,6 @@ create_port(int idx, int type)
| SNDRV_SEQ_PORT_TYPE_PORT;
memset(&pcb, 0, sizeof(pcb));
pcb.owner = THIS_MODULE;
- pcb.unuse = dummy_unuse;
pcb.event_input = dummy_input;
pcb.private_free = dummy_free;
pcb.private_data = rec;
diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c
index dde5c9c92132..e1ab3ad87adb 100644
--- a/sound/i2c/other/ak4113.c
+++ b/sound/i2c/other/ak4113.c
@@ -56,8 +56,7 @@ static inline unsigned char reg_read(struct ak4113 *ak4113, unsigned char reg)
static void snd_ak4113_free(struct ak4113 *chip)
{
- chip->init = 1; /* don't schedule new work */
- mb();
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
kfree(chip);
}
@@ -89,6 +88,7 @@ int snd_ak4113_create(struct snd_card *card, ak4113_read_t *read,
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4113_stats);
+ atomic_set(&chip->wq_processing, 0);
for (reg = 0; reg < AK4113_WRITABLE_REGS ; reg++)
chip->regmap[reg] = pgm[reg];
@@ -139,13 +139,11 @@ static void ak4113_init_regs(struct ak4113 *chip)
void snd_ak4113_reinit(struct ak4113 *chip)
{
- chip->init = 1;
- mb();
- flush_delayed_work_sync(&chip->work);
+ if (atomic_inc_return(&chip->wq_processing) == 1)
+ cancel_delayed_work_sync(&chip->work);
ak4113_init_regs(chip);
/* bring up statistics / event queing */
- chip->init = 0;
- if (chip->kctls[0])
+ if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL_GPL(snd_ak4113_reinit);
@@ -632,8 +630,9 @@ static void ak4113_stats(struct work_struct *work)
{
struct ak4113 *chip = container_of(work, struct ak4113, work.work);
- if (!chip->init)
+ if (atomic_inc_return(&chip->wq_processing) == 1)
snd_ak4113_check_rate_and_errors(chip, chip->check_flags);
- schedule_delayed_work(&chip->work, HZ / 10);
+ if (atomic_dec_and_test(&chip->wq_processing))
+ schedule_delayed_work(&chip->work, HZ / 10);
}
diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index fdf3c1b65e38..4c6b37967da7 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -66,8 +66,7 @@ static void reg_dump(struct ak4114 *ak4114)
static void snd_ak4114_free(struct ak4114 *chip)
{
- chip->init = 1; /* don't schedule new work */
- mb();
+ atomic_inc(&chip->wq_processing); /* don't schedule new work */
cancel_delayed_work_sync(&chip->work);
kfree(chip);
}
@@ -100,6 +99,7 @@ int snd_ak4114_create(struct snd_card *card,
chip->write = write;
chip->private_data = private_data;
INIT_DELAYED_WORK(&chip->work, ak4114_stats);
+ atomic_set(&chip->wq_processing, 0);
for (reg = 0; reg < 7; reg++)
chip->regmap[reg] = pgm[reg];
@@ -152,13 +152,11 @@ static void ak4114_init_regs(struct ak4114 *chip)
void snd_ak4114_reinit(struct ak4114 *chip)
{
- chip->init = 1;
- mb();
- flush_delayed_work_sync(&chip->work);
+ if (atomic_inc_return(&chip->wq_processing) == 1)
+ cancel_delayed_work_sync(&chip->work);
ak4114_init_regs(chip);
/* bring up statistics / event queing */
- chip->init = 0;
- if (chip->kctls[0])
+ if (atomic_dec_and_test(&chip->wq_processing))
schedule_delayed_work(&chip->work, HZ / 10);
}
@@ -612,10 +610,10 @@ static void ak4114_stats(struct work_struct *work)
{
struct ak4114 *chip = container_of(work, struct ak4114, work.work);
- if (!chip->init)
+ if (atomic_inc_return(&chip->wq_processing) == 1)
snd_ak4114_check_rate_and_errors(chip, chip->check_flags);
-
- schedule_delayed_work(&chip->work, HZ / 10);
+ if (atomic_dec_and_test(&chip->wq_processing))
+ schedule_delayed_work(&chip->work, HZ / 10);
}
EXPORT_SYMBOL(snd_ak4114_create);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 33e538f76909..f461737e4e6c 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2685,6 +2685,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
struct azx *chip;
int i, err;
unsigned short gcap;
+ unsigned int dma_bits = 64;
static struct snd_device_ops ops = {
.dev_free = azx_dev_free,
};
@@ -2780,9 +2781,14 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
gcap = azx_readw(chip, GCAP);
snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
+ /* AMD devices support 40 or 48bit DMA, take the safe one */
+ if (chip->pci->vendor == PCI_VENDOR_ID_AMD)
+ dma_bits = 40;
+
/* disable SB600 64bit support for safety */
if (chip->pci->vendor == PCI_VENDOR_ID_ATI) {
struct pci_dev *p_smbus;
+ dma_bits = 40;
p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
PCI_DEVICE_ID_ATI_SBX00_SMBUS,
NULL);
@@ -2812,9 +2818,11 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
}
/* allow 64bit DMA address if supported by H/W */
- if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
- pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
- else {
+ if (!(gcap & ICH6_GCAP_64OK))
+ dma_bits = 32;
+ if (!pci_set_dma_mask(pci, DMA_BIT_MASK(dma_bits))) {
+ pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(dma_bits));
+ } else {
pci_set_dma_mask(pci, DMA_BIT_MASK(32));
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
}
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 137b67f8e69a..606f87aa24d9 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4246,9 +4246,9 @@ static void stac_store_hints(struct hda_codec *codec)
spec->gpio_mask;
}
if (get_int_hint(codec, "gpio_dir", &spec->gpio_dir))
- spec->gpio_mask &= spec->gpio_mask;
- if (get_int_hint(codec, "gpio_data", &spec->gpio_data))
spec->gpio_dir &= spec->gpio_mask;
+ if (get_int_hint(codec, "gpio_data", &spec->gpio_data))
+ spec->gpio_data &= spec->gpio_mask;
if (get_int_hint(codec, "eapd_mask", &spec->eapd_mask))
spec->eapd_mask &= spec->gpio_mask;
if (get_int_hint(codec, "gpio_mute", &spec->gpio_mute))
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index 354341ec0f42..8d7d29c73c8a 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -341,7 +341,6 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
struct atmel_pcm_dma_params *dma_params;
int dir, channels, bits;
u32 tfmr, rfmr, tcmr, rcmr;
- int start_event;
int ret;
/*
@@ -460,19 +459,10 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
* The SSC transmit clock is obtained from the BCLK signal on
* on the TK line, and the SSC receive clock is
* generated from the transmit clock.
- *
- * For single channel data, one sample is transferred
- * on the falling edge of the LRC clock.
- * For two channel data, one sample is
- * transferred on both edges of the LRC clock.
*/
- start_event = ((channels == 1)
- ? SSC_START_FALLING_RF
- : SSC_START_EDGE_RF);
-
rcmr = SSC_BF(RCMR_PERIOD, 0)
| SSC_BF(RCMR_STTDLY, START_DELAY)
- | SSC_BF(RCMR_START, start_event)
+ | SSC_BF(RCMR_START, SSC_START_FALLING_RF)
| SSC_BF(RCMR_CKI, SSC_CKI_RISING)
| SSC_BF(RCMR_CKO, SSC_CKO_NONE)
| SSC_BF(RCMR_CKS, SSC_CKS_CLOCK);
@@ -480,14 +470,14 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
rfmr = SSC_BF(RFMR_FSEDGE, SSC_FSEDGE_POSITIVE)
| SSC_BF(RFMR_FSOS, SSC_FSOS_NONE)
| SSC_BF(RFMR_FSLEN, 0)
- | SSC_BF(RFMR_DATNB, 0)
+ | SSC_BF(RFMR_DATNB, (channels - 1))
| SSC_BIT(RFMR_MSBF)
| SSC_BF(RFMR_LOOP, 0)
| SSC_BF(RFMR_DATLEN, (bits - 1));
tcmr = SSC_BF(TCMR_PERIOD, 0)
| SSC_BF(TCMR_STTDLY, START_DELAY)
- | SSC_BF(TCMR_START, start_event)
+ | SSC_BF(TCMR_START, SSC_START_FALLING_RF)
| SSC_BF(TCMR_CKI, SSC_CKI_FALLING)
| SSC_BF(TCMR_CKO, SSC_CKO_NONE)
| SSC_BF(TCMR_CKS, SSC_CKS_PIN);
@@ -496,7 +486,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream,
| SSC_BF(TFMR_FSDEN, 0)
| SSC_BF(TFMR_FSOS, SSC_FSOS_NONE)
| SSC_BF(TFMR_FSLEN, 0)
- | SSC_BF(TFMR_DATNB, 0)
+ | SSC_BF(TFMR_DATNB, (channels - 1))
| SSC_BIT(TFMR_MSBF)
| SSC_BF(TFMR_DATDEF, 0)
| SSC_BF(TFMR_DATLEN, (bits - 1));
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index c40b7ca7a143..87cbf14bbdcd 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1238,6 +1238,9 @@ static int sgtl5000_enable_regulators(struct snd_soc_codec *codec)
/* wait for all power rails bring up */
udelay(10);
+ /* Need 8 clocks before I2C accesses */
+ udelay(1);
+
/* read chip information */
reg = snd_soc_read(codec, SGTL5000_CHIP_ID);
if (((reg & SGTL5000_PARTID_MASK) >> SGTL5000_PARTID_SHIFT) !=
diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c
index 4068f2491232..bb3878c9625f 100644
--- a/sound/soc/codecs/sigmadsp.c
+++ b/sound/soc/codecs/sigmadsp.c
@@ -176,6 +176,13 @@ static int _process_sigma_firmware(struct device *dev,
goto done;
}
+ if (ssfw_head->version != 1) {
+ dev_err(dev,
+ "Failed to load firmware: Invalid version %d. Supported firmware versions: 1\n",
+ ssfw_head->version);
+ goto done;
+ }
+
crc = crc32(0, fw->data + sizeof(*ssfw_head),
fw->size - sizeof(*ssfw_head));
pr_debug("%s: crc=%x\n", __func__, crc);
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index ddb0d904a353..a09d7eb1f02f 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -496,7 +496,7 @@ static struct {
{ 22050, 2 },
{ 24000, 2 },
{ 16000, 3 },
- { 11250, 4 },
+ { 11025, 4 },
{ 12000, 4 },
{ 8000, 5 },
};
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index e5fee1800a4f..de86e7487def 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -364,6 +364,8 @@ static void snd_usbmidi_error_timer(unsigned long data)
if (in && in->error_resubmit) {
in->error_resubmit = 0;
for (j = 0; j < INPUT_URBS; ++j) {
+ if (atomic_read(&in->urbs[j]->use_count))
+ continue;
in->urbs[j]->dev = umidi->dev;
snd_usbmidi_submit_urb(in->urbs[j], GFP_ATOMIC);
}
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 2b67823e8205..c419aa30d544 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -834,6 +834,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
case USB_ID(0x046d, 0x0807): /* Logitech Webcam C500 */
case USB_ID(0x046d, 0x0808):
case USB_ID(0x046d, 0x0809):
+ case USB_ID(0x046d, 0x0819): /* Logitech Webcam C210 */
case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 0e4e909d111e..1e0798f6539b 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -304,8 +304,11 @@ static struct usbmix_name_map hercules_usb51_map[] = {
{ 0 } /* terminator */
};
-static const struct usbmix_name_map kef_x300a_map[] = {
- { 10, NULL }, /* firmware locks up (?) when we try to access this FU */
+/* some (all?) SCMS USB3318 devices are affected by a firmware lock up
+ * when anything attempts to access FU 10 (control)
+ */
+static const struct usbmix_name_map scms_usb3318_map[] = {
+ { 10, NULL },
{ 0 }
};
@@ -377,8 +380,14 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
.ignore_ctl_error = 1,
},
{
+ /* KEF X300A */
.id = USB_ID(0x27ac, 0x1000),
- .map = kef_x300a_map,
+ .map = scms_usb3318_map,
+ },
+ {
+ /* Arcam rPAC */
+ .id = USB_ID(0x25c4, 0x0003),
+ .map = scms_usb3318_map,
},
{ 0 } /* terminator */
};