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build/patch/kernel/s500-default/2-patch-3.10.101-102.patch
Igor Pecovnik 1b580c7785 Lemaker Guitar further patch cleanup
2016-06-22 06:55:47 +02:00

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diff --git a/MAINTAINERS b/MAINTAINERS
index 48c748080c96..29d7d74a8d04 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3032,8 +3032,8 @@ F: Documentation/x86/efi-stub.txt
F: arch/ia64/kernel/efi.c
F: arch/x86/boot/compressed/eboot.[ch]
F: arch/x86/include/asm/efi.h
-F: arch/x86/platform/efi/*
-F: drivers/firmware/efi/*
+F: arch/x86/platform/efi/
+F: drivers/firmware/efi/
F: include/linux/efi*.h
EFI VARIABLE FILESYSTEM
diff --git a/Makefile b/Makefile
index 4be9e643cef0..868093c16ae0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 10
-SUBLEVEL = 101
+SUBLEVEL = 102
EXTRAVERSION =
NAME = TOSSUG Baby Fish
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c
index e18709d3b95d..38e1bdcaf015 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -34,6 +34,7 @@
#include "pm.h"
#include "control.h"
#include "common.h"
+#include "soc.h"
/* Mach specific information to be recorded in the C-state driver_data */
struct omap3_idle_statedata {
@@ -322,6 +323,69 @@ static struct cpuidle_driver omap3_idle_driver = {
.safe_state_index = 0,
};
+/*
+ * Numbers based on measurements made in October 2009 for PM optimized kernel
+ * with CPU freq enabled on device Nokia N900. Assumes OPP2 (main idle OPP,
+ * and worst case latencies).
+ */
+static struct cpuidle_driver omap3430_idle_driver = {
+ .name = "omap3430_idle",
+ .owner = THIS_MODULE,
+ .states = {
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 110 + 162,
+ .target_residency = 5,
+ .name = "C1",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 106 + 180,
+ .target_residency = 309,
+ .name = "C2",
+ .desc = "MPU ON + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 107 + 410,
+ .target_residency = 46057,
+ .name = "C3",
+ .desc = "MPU RET + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 121 + 3374,
+ .target_residency = 46057,
+ .name = "C4",
+ .desc = "MPU OFF + CORE ON",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 855 + 1146,
+ .target_residency = 46057,
+ .name = "C5",
+ .desc = "MPU RET + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 7580 + 4134,
+ .target_residency = 484329,
+ .name = "C6",
+ .desc = "MPU OFF + CORE RET",
+ },
+ {
+ .enter = omap3_enter_idle_bm,
+ .exit_latency = 7505 + 15274,
+ .target_residency = 484329,
+ .name = "C7",
+ .desc = "MPU OFF + CORE OFF",
+ },
+ },
+ .state_count = ARRAY_SIZE(omap3_idle_data),
+ .safe_state_index = 0,
+};
+
/* Public functions */
/**
@@ -340,5 +404,8 @@ int __init omap3_idle_init(void)
if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
return -ENODEV;
- return cpuidle_register(&omap3_idle_driver, NULL);
+ if (cpu_is_omap3430())
+ return cpuidle_register(&omap3430_idle_driver, NULL);
+ else
+ return cpuidle_register(&omap3_idle_driver, NULL);
}
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S
index d1dedc8195ed..eafd120b53f1 100644
--- a/arch/arm/mach-omap2/sleep34xx.S
+++ b/arch/arm/mach-omap2/sleep34xx.S
@@ -203,23 +203,8 @@ save_context_wfi:
*/
ldr r1, kernel_flush
blx r1
- /*
- * The kernel doesn't interwork: v7_flush_dcache_all in particluar will
- * always return in Thumb state when CONFIG_THUMB2_KERNEL is enabled.
- * This sequence switches back to ARM. Note that .align may insert a
- * nop: bx pc needs to be word-aligned in order to work.
- */
- THUMB( .thumb )
- THUMB( .align )
- THUMB( bx pc )
- THUMB( nop )
- .arm
-
b omap3_do_wfi
-
-/*
- * Local variables
- */
+ENDPROC(omap34xx_cpu_suspend)
omap3_do_wfi_sram_addr:
.word omap3_do_wfi_sram
kernel_flush:
@@ -364,10 +349,7 @@ exit_nonoff_modes:
* ===================================
*/
ldmfd sp!, {r4 - r11, pc} @ restore regs and return
-
-/*
- * Local variables
- */
+ENDPROC(omap3_do_wfi)
sdrc_power:
.word SDRC_POWER_V
cm_idlest1_core:
diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
index 9004bfb1756e..a6f5519072cc 100644
--- a/arch/arm/mach-socfpga/headsmp.S
+++ b/arch/arm/mach-socfpga/headsmp.S
@@ -12,6 +12,7 @@
__CPUINIT
.arch armv7-a
+ .arm
ENTRY(secondary_trampoline)
movw r2, #:lower16:cpu1start_addr
diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c
index 568b2c61ea02..3cad8aadc69e 100644
--- a/arch/parisc/kernel/parisc_ksyms.c
+++ b/arch/parisc/kernel/parisc_ksyms.c
@@ -47,11 +47,11 @@ EXPORT_SYMBOL(__cmpxchg_u64);
EXPORT_SYMBOL(lclear_user);
EXPORT_SYMBOL(lstrnlen_user);
-/* Global fixups */
-extern void fixup_get_user_skip_1(void);
-extern void fixup_get_user_skip_2(void);
-extern void fixup_put_user_skip_1(void);
-extern void fixup_put_user_skip_2(void);
+/* Global fixups - defined as int to avoid creation of function pointers */
+extern int fixup_get_user_skip_1;
+extern int fixup_get_user_skip_2;
+extern int fixup_put_user_skip_1;
+extern int fixup_put_user_skip_2;
EXPORT_SYMBOL(fixup_get_user_skip_1);
EXPORT_SYMBOL(fixup_get_user_skip_2);
EXPORT_SYMBOL(fixup_put_user_skip_1);
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index b3f87a3b4bce..0c329b2c5df4 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -811,6 +811,9 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
if (fault_space == 0 && !in_atomic())
{
+ /* Clean up and return if in exception table. */
+ if (fixup_exception(regs))
+ return;
pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC);
parisc_terminate("Kernel Fault", regs, code, fault_address);
}
diff --git a/arch/powerpc/include/uapi/asm/cputable.h b/arch/powerpc/include/uapi/asm/cputable.h
index de2c0e4ee1aa..67de80a8e178 100644
--- a/arch/powerpc/include/uapi/asm/cputable.h
+++ b/arch/powerpc/include/uapi/asm/cputable.h
@@ -31,6 +31,7 @@
#define PPC_FEATURE_PSERIES_PERFMON_COMPAT \
0x00000040
+/* Reserved - do not use 0x00000004 */
#define PPC_FEATURE_TRUE_LE 0x00000002
#define PPC_FEATURE_PPC_LE 0x00000001
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8b6f7a99cce2..e8c45b7438e7 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -159,7 +159,7 @@ static struct ibm_pa_feature {
{CPU_FTR_NOEXECUTE, 0, 0, 0, 6, 0},
{CPU_FTR_NODSISRALIGN, 0, 0, 1, 1, 1},
{0, MMU_FTR_CI_LARGE_PAGE, 0, 1, 2, 0},
- {CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0},
+ {CPU_FTR_REAL_LE, 0, PPC_FEATURE_TRUE_LE, 5, 0, 0},
};
static void __init scan_features(unsigned long node, unsigned char *ftrs,
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 98b68c2f1a1c..b76c1bf6125d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -59,7 +59,7 @@
(~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\
| X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \
| X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR | X86_CR4_PCIDE \
- | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_RDWRGSFS \
+ | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_FSGSBASE \
| X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index 125f344f06a9..8ac93f05a8ea 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -71,4 +71,6 @@ static inline bool xen_x2apic_para_available(void)
}
#endif
+extern void xen_set_iopl_mask(unsigned mask);
+
#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h
index b16e6d28f149..180a0c3c224d 100644
--- a/arch/x86/include/uapi/asm/processor-flags.h
+++ b/arch/x86/include/uapi/asm/processor-flags.h
@@ -2,75 +2,129 @@
#define _UAPI_ASM_X86_PROCESSOR_FLAGS_H
/* Various flags defined: can be included from assembler. */
+#include <linux/const.h>
+
/*
* EFLAGS bits
*/
-#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */
-#define X86_EFLAGS_FIXED 0x00000002 /* Bit 1 - always on */
-#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */
-#define X86_EFLAGS_AF 0x00000010 /* Auxiliary carry Flag */
-#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */
-#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */
-#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */
-#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */
-#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */
-#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */
-#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */
-#define X86_EFLAGS_NT 0x00004000 /* Nested Task */
-#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */
-#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */
-#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */
-#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */
-#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */
-#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */
+#define X86_EFLAGS_CF_BIT 0 /* Carry Flag */
+#define X86_EFLAGS_CF _BITUL(X86_EFLAGS_CF_BIT)
+#define X86_EFLAGS_FIXED_BIT 1 /* Bit 1 - always on */
+#define X86_EFLAGS_FIXED _BITUL(X86_EFLAGS_FIXED_BIT)
+#define X86_EFLAGS_PF_BIT 2 /* Parity Flag */
+#define X86_EFLAGS_PF _BITUL(X86_EFLAGS_PF_BIT)
+#define X86_EFLAGS_AF_BIT 4 /* Auxiliary carry Flag */
+#define X86_EFLAGS_AF _BITUL(X86_EFLAGS_AF_BIT)
+#define X86_EFLAGS_ZF_BIT 6 /* Zero Flag */
+#define X86_EFLAGS_ZF _BITUL(X86_EFLAGS_ZF_BIT)
+#define X86_EFLAGS_SF_BIT 7 /* Sign Flag */
+#define X86_EFLAGS_SF _BITUL(X86_EFLAGS_SF_BIT)
+#define X86_EFLAGS_TF_BIT 8 /* Trap Flag */
+#define X86_EFLAGS_TF _BITUL(X86_EFLAGS_TF_BIT)
+#define X86_EFLAGS_IF_BIT 9 /* Interrupt Flag */
+#define X86_EFLAGS_IF _BITUL(X86_EFLAGS_IF_BIT)
+#define X86_EFLAGS_DF_BIT 10 /* Direction Flag */
+#define X86_EFLAGS_DF _BITUL(X86_EFLAGS_DF_BIT)
+#define X86_EFLAGS_OF_BIT 11 /* Overflow Flag */
+#define X86_EFLAGS_OF _BITUL(X86_EFLAGS_OF_BIT)
+#define X86_EFLAGS_IOPL_BIT 12 /* I/O Privilege Level (2 bits) */
+#define X86_EFLAGS_IOPL (_AC(3,UL) << X86_EFLAGS_IOPL_BIT)
+#define X86_EFLAGS_NT_BIT 14 /* Nested Task */
+#define X86_EFLAGS_NT _BITUL(X86_EFLAGS_NT_BIT)
+#define X86_EFLAGS_RF_BIT 16 /* Resume Flag */
+#define X86_EFLAGS_RF _BITUL(X86_EFLAGS_RF_BIT)
+#define X86_EFLAGS_VM_BIT 17 /* Virtual Mode */
+#define X86_EFLAGS_VM _BITUL(X86_EFLAGS_VM_BIT)
+#define X86_EFLAGS_AC_BIT 18 /* Alignment Check/Access Control */
+#define X86_EFLAGS_AC _BITUL(X86_EFLAGS_AC_BIT)
+#define X86_EFLAGS_AC_BIT 18 /* Alignment Check/Access Control */
+#define X86_EFLAGS_AC _BITUL(X86_EFLAGS_AC_BIT)
+#define X86_EFLAGS_VIF_BIT 19 /* Virtual Interrupt Flag */
+#define X86_EFLAGS_VIF _BITUL(X86_EFLAGS_VIF_BIT)
+#define X86_EFLAGS_VIP_BIT 20 /* Virtual Interrupt Pending */
+#define X86_EFLAGS_VIP _BITUL(X86_EFLAGS_VIP_BIT)
+#define X86_EFLAGS_ID_BIT 21 /* CPUID detection */
+#define X86_EFLAGS_ID _BITUL(X86_EFLAGS_ID_BIT)
/*
* Basic CPU control in CR0
*/
-#define X86_CR0_PE 0x00000001 /* Protection Enable */
-#define X86_CR0_MP 0x00000002 /* Monitor Coprocessor */
-#define X86_CR0_EM 0x00000004 /* Emulation */
-#define X86_CR0_TS 0x00000008 /* Task Switched */
-#define X86_CR0_ET 0x00000010 /* Extension Type */
-#define X86_CR0_NE 0x00000020 /* Numeric Error */
-#define X86_CR0_WP 0x00010000 /* Write Protect */
-#define X86_CR0_AM 0x00040000 /* Alignment Mask */
-#define X86_CR0_NW 0x20000000 /* Not Write-through */
-#define X86_CR0_CD 0x40000000 /* Cache Disable */
-#define X86_CR0_PG 0x80000000 /* Paging */
+#define X86_CR0_PE_BIT 0 /* Protection Enable */
+#define X86_CR0_PE _BITUL(X86_CR0_PE_BIT)
+#define X86_CR0_MP_BIT 1 /* Monitor Coprocessor */
+#define X86_CR0_MP _BITUL(X86_CR0_MP_BIT)
+#define X86_CR0_EM_BIT 2 /* Emulation */
+#define X86_CR0_EM _BITUL(X86_CR0_EM_BIT)
+#define X86_CR0_TS_BIT 3 /* Task Switched */
+#define X86_CR0_TS _BITUL(X86_CR0_TS_BIT)
+#define X86_CR0_ET_BIT 4 /* Extension Type */
+#define X86_CR0_ET _BITUL(X86_CR0_ET_BIT)
+#define X86_CR0_NE_BIT 5 /* Numeric Error */
+#define X86_CR0_NE _BITUL(X86_CR0_NE_BIT)
+#define X86_CR0_WP_BIT 16 /* Write Protect */
+#define X86_CR0_WP _BITUL(X86_CR0_WP_BIT)
+#define X86_CR0_AM_BIT 18 /* Alignment Mask */
+#define X86_CR0_AM _BITUL(X86_CR0_AM_BIT)
+#define X86_CR0_NW_BIT 29 /* Not Write-through */
+#define X86_CR0_NW _BITUL(X86_CR0_NW_BIT)
+#define X86_CR0_CD_BIT 30 /* Cache Disable */
+#define X86_CR0_CD _BITUL(X86_CR0_CD_BIT)
+#define X86_CR0_PG_BIT 31 /* Paging */
+#define X86_CR0_PG _BITUL(X86_CR0_PG_BIT)
/*
* Paging options in CR3
*/
-#define X86_CR3_PWT 0x00000008 /* Page Write Through */
-#define X86_CR3_PCD 0x00000010 /* Page Cache Disable */
-#define X86_CR3_PCID_MASK 0x00000fff /* PCID Mask */
+#define X86_CR3_PWT_BIT 3 /* Page Write Through */
+#define X86_CR3_PWT _BITUL(X86_CR3_PWT_BIT)
+#define X86_CR3_PCD_BIT 4 /* Page Cache Disable */
+#define X86_CR3_PCD _BITUL(X86_CR3_PCD_BIT)
+#define X86_CR3_PCID_MASK _AC(0x00000fff,UL) /* PCID Mask */
/*
* Intel CPU features in CR4
*/
-#define X86_CR4_VME 0x00000001 /* enable vm86 extensions */
-#define X86_CR4_PVI 0x00000002 /* virtual interrupts flag enable */
-#define X86_CR4_TSD 0x00000004 /* disable time stamp at ipl 3 */
-#define X86_CR4_DE 0x00000008 /* enable debugging extensions */
-#define X86_CR4_PSE 0x00000010 /* enable page size extensions */
-#define X86_CR4_PAE 0x00000020 /* enable physical address extensions */
-#define X86_CR4_MCE 0x00000040 /* Machine check enable */
-#define X86_CR4_PGE 0x00000080 /* enable global pages */
-#define X86_CR4_PCE 0x00000100 /* enable performance counters at ipl 3 */
-#define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */
-#define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */
-#define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */
-#define X86_CR4_RDWRGSFS 0x00010000 /* enable RDWRGSFS support */
-#define X86_CR4_PCIDE 0x00020000 /* enable PCID support */
-#define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */
-#define X86_CR4_SMEP 0x00100000 /* enable SMEP support */
-#define X86_CR4_SMAP 0x00200000 /* enable SMAP support */
+#define X86_CR4_VME_BIT 0 /* enable vm86 extensions */
+#define X86_CR4_VME _BITUL(X86_CR4_VME_BIT)
+#define X86_CR4_PVI_BIT 1 /* virtual interrupts flag enable */
+#define X86_CR4_PVI _BITUL(X86_CR4_PVI_BIT)
+#define X86_CR4_TSD_BIT 2 /* disable time stamp at ipl 3 */
+#define X86_CR4_TSD _BITUL(X86_CR4_TSD_BIT)
+#define X86_CR4_DE_BIT 3 /* enable debugging extensions */
+#define X86_CR4_DE _BITUL(X86_CR4_DE_BIT)
+#define X86_CR4_PSE_BIT 4 /* enable page size extensions */
+#define X86_CR4_PSE _BITUL(X86_CR4_PSE_BIT)
+#define X86_CR4_PAE_BIT 5 /* enable physical address extensions */
+#define X86_CR4_PAE _BITUL(X86_CR4_PAE_BIT)
+#define X86_CR4_MCE_BIT 6 /* Machine check enable */
+#define X86_CR4_MCE _BITUL(X86_CR4_MCE_BIT)
+#define X86_CR4_PGE_BIT 7 /* enable global pages */
+#define X86_CR4_PGE _BITUL(X86_CR4_PGE_BIT)
+#define X86_CR4_PCE_BIT 8 /* enable performance counters at ipl 3 */
+#define X86_CR4_PCE _BITUL(X86_CR4_PCE_BIT)
+#define X86_CR4_OSFXSR_BIT 9 /* enable fast FPU save and restore */
+#define X86_CR4_OSFXSR _BITUL(X86_CR4_OSFXSR_BIT)
+#define X86_CR4_OSXMMEXCPT_BIT 10 /* enable unmasked SSE exceptions */
+#define X86_CR4_OSXMMEXCPT _BITUL(X86_CR4_OSXMMEXCPT_BIT)
+#define X86_CR4_VMXE_BIT 13 /* enable VMX virtualization */
+#define X86_CR4_VMXE _BITUL(X86_CR4_VMXE_BIT)
+#define X86_CR4_SMXE_BIT 14 /* enable safer mode (TXT) */
+#define X86_CR4_SMXE _BITUL(X86_CR4_SMXE_BIT)
+#define X86_CR4_FSGSBASE_BIT 16 /* enable RDWRFSGS support */
+#define X86_CR4_FSGSBASE _BITUL(X86_CR4_FSGSBASE_BIT)
+#define X86_CR4_PCIDE_BIT 17 /* enable PCID support */
+#define X86_CR4_PCIDE _BITUL(X86_CR4_PCIDE_BIT)
+#define X86_CR4_OSXSAVE_BIT 18 /* enable xsave and xrestore */
+#define X86_CR4_OSXSAVE _BITUL(X86_CR4_OSXSAVE_BIT)
+#define X86_CR4_SMEP_BIT 20 /* enable SMEP support */
+#define X86_CR4_SMEP _BITUL(X86_CR4_SMEP_BIT)
+#define X86_CR4_SMAP_BIT 21 /* enable SMAP support */
+#define X86_CR4_SMAP _BITUL(X86_CR4_SMAP_BIT)
/*
* x86-64 Task Priority Register, CR8
*/
-#define X86_CR8_TPR 0x0000000F /* task priority register */
+#define X86_CR8_TPR _AC(0x0000000f,UL) /* task priority register */
/*
* AMD and Transmeta use MSRs for configuration; see <asm/msr-index.h>
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index ba9aadfa683b..5fd0bbe1aeb0 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -665,6 +665,8 @@ void intel_pmu_lbr_init_atom(void);
void intel_pmu_lbr_init_snb(void);
+void intel_pmu_pebs_data_source_nhm(void);
+
int intel_pmu_setup_lbr_filter(struct perf_event *event);
int p4_pmu_init(void);
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 6d6bb6f4fd43..ac057583282a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2088,6 +2088,7 @@ __init int intel_pmu_init(void)
intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
+ intel_pmu_pebs_data_source_nhm();
x86_add_quirk(intel_nehalem_quirk);
pr_cont("Nehalem events, ");
@@ -2133,6 +2134,7 @@ __init int intel_pmu_init(void)
intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
+ intel_pmu_pebs_data_source_nhm();
pr_cont("Westmere events, ");
break;
diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
index 60250f687052..17b090a298b4 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
@@ -50,7 +50,8 @@ union intel_x86_pebs_dse {
#define OP_LH (P(OP, LOAD) | P(LVL, HIT))
#define SNOOP_NONE_MISS (P(SNOOP, NONE) | P(SNOOP, MISS))
-static const u64 pebs_data_source[] = {
+/* Version for Sandy Bridge and later */
+static u64 pebs_data_source[] = {
P(OP, LOAD) | P(LVL, MISS) | P(LVL, L3) | P(SNOOP, NA),/* 0x00:ukn L3 */
OP_LH | P(LVL, L1) | P(SNOOP, NONE), /* 0x01: L1 local */
OP_LH | P(LVL, LFB) | P(SNOOP, NONE), /* 0x02: LFB hit */
@@ -69,6 +70,14 @@ static const u64 pebs_data_source[] = {
OP_LH | P(LVL, UNC) | P(SNOOP, NONE), /* 0x0f: uncached */
};
+/* Patch up minor differences in the bits */
+void __init intel_pmu_pebs_data_source_nhm(void)
+{
+ pebs_data_source[0x05] = OP_LH | P(LVL, L3) | P(SNOOP, HIT);
+ pebs_data_source[0x06] = OP_LH | P(LVL, L3) | P(SNOOP, HITM);
+ pebs_data_source[0x07] = OP_LH | P(LVL, L3) | P(SNOOP, HITM);
+}
+
static u64 precise_store_data(u64 status)
{
union intel_x86_pebs_dse dse;
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index 4ddaf66ea35f..792621a32457 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -96,9 +96,14 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
SYSCALL_DEFINE1(iopl, unsigned int, level)
{
struct pt_regs *regs = current_pt_regs();
- unsigned int old = (regs->flags >> 12) & 3;
struct thread_struct *t = &current->thread;
+ /*
+ * Careful: the IOPL bits in regs->flags are undefined under Xen PV
+ * and changing them has no effect.
+ */
+ unsigned int old = t->iopl >> X86_EFLAGS_IOPL_BIT;
+
if (level > 3)
return -EINVAL;
/* Trying to gain more privileges? */
@@ -106,8 +111,9 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
}
- regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12);
- t->iopl = level << 12;
+ regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) |
+ (level << X86_EFLAGS_IOPL_BIT);
+ t->iopl = level << X86_EFLAGS_IOPL_BIT;
set_iopl_mask(t->iopl);
return 0;
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 7099ab1e075b..580001c2b69a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -49,6 +49,7 @@
#include <asm/syscalls.h>
#include <asm/debugreg.h>
#include <asm/switch_to.h>
+#include <asm/xen/hypervisor.h>
asmlinkage extern void ret_from_fork(void);
@@ -412,6 +413,17 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV))
__switch_to_xtra(prev_p, next_p, tss);
+#ifdef CONFIG_XEN
+ /*
+ * On Xen PV, IOPL bits in pt_regs->flags have no effect, and
+ * current_pt_regs()->flags may not match the current task's
+ * intended IOPL. We need to switch it manually.
+ */
+ if (unlikely(xen_pv_domain() &&
+ prev->iopl != next->iopl))
+ xen_set_iopl_mask(next->iopl);
+#endif
+
return prev_p;
}
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 1406ffde3e35..b0a706d063cb 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -244,7 +244,7 @@ static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
* PIC is being reset. Handle it gracefully here
*/
atomic_inc(&ps->pending);
- else if (value > 0)
+ else if (value > 0 && ps->reinject)
/* in this case, we had multiple outstanding pit interrupts
* that we needed to inject. Reinject
*/
@@ -287,7 +287,9 @@ static void pit_do_work(struct kthread_work *work)
* last one has been acked.
*/
spin_lock(&ps->inject_lock);
- if (ps->irq_ack) {
+ if (!ps->reinject)
+ inject = 1;
+ else if (ps->irq_ack) {
ps->irq_ack = 0;
inject = 1;
}
@@ -316,10 +318,10 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
struct kvm_kpit_state *ps = container_of(data, struct kvm_kpit_state, timer);
struct kvm_pit *pt = ps->kvm->arch.vpit;
- if (ps->reinject || !atomic_read(&ps->pending)) {
+ if (ps->reinject)
atomic_inc(&ps->pending);
- queue_kthread_work(&pt->worker, &pt->expired);
- }
+
+ queue_kthread_work(&pt->worker, &pt->expired);
if (ps->is_periodic) {
hrtimer_add_expires_ns(&ps->timer, ps->period);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7f2b6dec4b2b..3c0b085b4336 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -626,7 +626,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
if (!guest_cpuid_has_smep(vcpu) && (cr4 & X86_CR4_SMEP))
return 1;
- if (!guest_cpuid_has_fsgsbase(vcpu) && (cr4 & X86_CR4_RDWRGSFS))
+ if (!guest_cpuid_has_fsgsbase(vcpu) && (cr4 & X86_CR4_FSGSBASE))
return 1;
if (is_long_mode(vcpu)) {
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 91cbe75a91d5..34511cf6baad 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -952,7 +952,7 @@ static void xen_load_sp0(struct tss_struct *tss,
xen_mc_issue(PARAVIRT_LAZY_CPU);
}
-static void xen_set_iopl_mask(unsigned mask)
+void xen_set_iopl_mask(unsigned mask)
{
struct physdev_set_iopl set_iopl;
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 7d740ebbe198..bb12d778f64f 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -118,7 +118,7 @@ ENTRY(_startup)
wsr a0, icountlevel
.set _index, 0
- .rept XCHAL_NUM_DBREAK - 1
+ .rept XCHAL_NUM_DBREAK
wsr a0, SREG_DBREAKC + _index
.set _index, _index + 1
.endr
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 70cb408bc20d..92d785fefb6d 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -100,21 +100,23 @@ static void rs_poll(unsigned long priv)
{
struct tty_port *port = (struct tty_port *)priv;
int i = 0;
+ int rd = 1;
unsigned char c;
spin_lock(&timer_lock);
while (simc_poll(0)) {
- simc_read(0, &c, 1);
+ rd = simc_read(0, &c, 1);
+ if (rd <= 0)
+ break;
tty_insert_flip_char(port, c, TTY_NORMAL);
i++;
}
if (i)
tty_flip_buffer_push(port);
-
-
- mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
+ if (rd)
+ mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
spin_unlock(&timer_lock);
}
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 857ae2b2a2a2..bcd5efc7eb4c 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -64,8 +64,9 @@ static int hash_walk_new_entry(struct crypto_hash_walk *walk)
struct scatterlist *sg;
sg = walk->sg;
- walk->pg = sg_page(sg);
walk->offset = sg->offset;
+ walk->pg = sg_page(walk->sg) + (walk->offset >> PAGE_SHIFT);
+ walk->offset = offset_in_page(walk->offset);
walk->entrylen = sg->length;
if (walk->entrylen > walk->total)
diff --git a/crypto/gcm.c b/crypto/gcm.c
index b4c252066f7b..cd97cdd8cabe 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -1173,6 +1173,9 @@ static struct aead_request *crypto_rfc4543_crypt(struct aead_request *req,
aead_request_set_tfm(subreq, ctx->child);
aead_request_set_callback(subreq, req->base.flags, crypto_rfc4543_done,
req);
+ if (!enc)
+ aead_request_set_callback(subreq, req->base.flags,
+ req->base.complete, req->base.data);
aead_request_set_crypt(subreq, cipher, cipher, enc ? 0 : authsize, iv);
aead_request_set_assoc(subreq, assoc, assoclen);
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index a9ffd44c18fe..2184259c386b 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -267,6 +267,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
obj_desc->method.mutex->mutex.
original_sync_level =
obj_desc->method.mutex->mutex.sync_level;
+
+ obj_desc->method.mutex->mutex.thread_id =
+ acpi_os_get_thread_id();
}
}
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a5c987ae665d..d593fa5247f5 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -581,8 +581,8 @@ static void do_nbd_request(struct request_queue *q)
BUG_ON(nbd->magic != NBD_MAGIC);
if (unlikely(!nbd->sock)) {
- dev_err(disk_to_dev(nbd->disk),
- "Attempted send on closed socket\n");
+ dev_err_ratelimited(disk_to_dev(nbd->disk),
+ "Attempted send on closed socket\n");
req->errors++;
nbd_end_request(req);
spin_lock_irq(q->queue_lock);
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 19ad8f0c83ef..897b6b9e53b1 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -126,7 +126,7 @@
*/
#include <linux/types.h>
-static bool verbose = 0;
+static int verbose = 0;
static int major = PD_MAJOR;
static char *name = PD_NAME;
static int cluster = 64;
@@ -161,7 +161,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
static DEFINE_MUTEX(pd_mutex);
static DEFINE_SPINLOCK(pd_lock);
-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
module_param(major, int, 0);
module_param(name, charp, 0);
module_param(cluster, int, 0);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 2596042eb987..ada45058e04d 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -117,7 +117,7 @@
*/
-static bool verbose = 0;
+static int verbose = 0;
static int major = PT_MAJOR;
static char *name = PT_NAME;
static int disable = 0;
@@ -152,7 +152,7 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};
#include <asm/uaccess.h>
-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
module_param(major, int, 0);
module_param(name, charp, 0);
module_param_array(drive0, int, NULL, 0);
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index d8b7aed6e4a9..f3ce1c4f83e0 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -265,6 +265,7 @@ static int vhci_release(struct inode *inode, struct file *file)
hci_unregister_dev(hdev);
hci_free_dev(hdev);
+ skb_queue_purge(&data->readq);
file->private_data = NULL;
kfree(data);
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index b9e05bde0c06..a21e2fa66a2a 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -141,6 +141,7 @@ void __init clk_sp810_of_setup(struct device_node *node)
const char *parent_names[2];
char name[12];
struct clk_init_data init;
+ static int instance;
int i;
if (!sp810) {
@@ -172,7 +173,7 @@ void __init clk_sp810_of_setup(struct device_node *node)
init.num_parents = ARRAY_SIZE(parent_names);
for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) {
- snprintf(name, ARRAY_SIZE(name), "timerclken%d", i);
+ snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);
sp810->timerclken[i].sp810 = sp810;
sp810->timerclken[i].channel = i;
@@ -184,5 +185,6 @@ void __init clk_sp810_of_setup(struct device_node *node)
}
of_clk_add_provider(node, clk_sp810_timerclken_of_get, sp810);
+ instance++;
}
CLK_OF_DECLARE(sp810, "arm,sp810", clk_sp810_of_setup);
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 8b3d90143514..19353112cf10 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -1266,7 +1266,7 @@ static u64 f1x_get_norm_dct_addr(struct amd64_pvt *pvt, u8 range,
u64 chan_off;
u64 dram_base = get_dram_base(pvt, range);
u64 hole_off = f10_dhar_offset(pvt);
- u64 dct_sel_base_off = (pvt->dct_sel_hi & 0xFFFFFC00) << 16;
+ u64 dct_sel_base_off = (u64)(pvt->dct_sel_hi & 0xFFFFFC00) << 16;
if (hi_rng) {
/*
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 271818a5a33a..c4131a7a2b46 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1878,7 +1878,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
i7_dev = get_i7core_dev(mce->socketid);
if (!i7_dev)
- return NOTIFY_BAD;
+ return NOTIFY_DONE;
mci = i7_dev->mci;
pvt = mci->pvt_info;
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 3bdefbfb4377..0d40f7f0c379 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1538,7 +1538,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
mci = get_mci_for_node_id(mce->socketid);
if (!mci)
- return NOTIFY_BAD;
+ return NOTIFY_DONE;
pvt = mci->pvt_info;
/*
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 1b564d7e4191..5b8d868d8691 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -870,8 +870,6 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo
else
args.v1.ucLaneNum = 4;
- if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
- args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
@@ -888,6 +886,10 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
else
args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
+
+ if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode) && (dp_clock == 270000))
+ args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
+
break;
case 2:
case 3:
diff --git a/drivers/gpu/drm/radeon/radeon_sa.c b/drivers/gpu/drm/radeon/radeon_sa.c
index f0bac68254b7..8962411b5f2b 100644
--- a/drivers/gpu/drm/radeon/radeon_sa.c
+++ b/drivers/gpu/drm/radeon/radeon_sa.c
@@ -349,8 +349,15 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
/* see if we can skip over some allocations */
} while (radeon_sa_bo_next_hole(sa_manager, fences, tries));
+ for (i = 0; i < RADEON_NUM_RINGS; ++i) {
+ if (fences[i])
+ radeon_fence_ref(fences[i]);
+ }
+
spin_unlock(&sa_manager->wq.lock);
r = radeon_fence_wait_any(rdev, fences, false);
+ for (i = 0; i < RADEON_NUM_RINGS; ++i)
+ radeon_fence_unref(&fences[i]);
spin_lock(&sa_manager->wq.lock);
/* if we have nothing to wait for block */
if (r == -ENOENT && block) {
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 5da58e3899eb..92aef9824d6f 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -988,14 +988,6 @@ static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t co
return ret;
}
-static void usbhid_restart_queues(struct usbhid_device *usbhid)
-{
- if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl))
- usbhid_restart_out_queue(usbhid);
- if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
- usbhid_restart_ctrl_queue(usbhid);
-}
-
static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
@@ -1412,6 +1404,37 @@ static void hid_cease_io(struct usbhid_device *usbhid)
usb_kill_urb(usbhid->urbout);
}
+static void hid_restart_io(struct hid_device *hid)
+{
+ struct usbhid_device *usbhid = hid->driver_data;
+ int clear_halt = test_bit(HID_CLEAR_HALT, &usbhid->iofl);
+ int reset_pending = test_bit(HID_RESET_PENDING, &usbhid->iofl);
+
+ spin_lock_irq(&usbhid->lock);
+ clear_bit(HID_SUSPENDED, &usbhid->iofl);
+ usbhid_mark_busy(usbhid);
+
+ if (clear_halt || reset_pending)
+ schedule_work(&usbhid->reset_work);
+ usbhid->retry_delay = 0;
+ spin_unlock_irq(&usbhid->lock);
+
+ if (reset_pending || !test_bit(HID_STARTED, &usbhid->iofl))
+ return;
+
+ if (!clear_halt) {
+ if (hid_start_in(hid) < 0)
+ hid_io_error(hid);
+ }
+
+ spin_lock_irq(&usbhid->lock);
+ if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl))
+ usbhid_restart_out_queue(usbhid);
+ if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl))
+ usbhid_restart_ctrl_queue(usbhid);
+ spin_unlock_irq(&usbhid->lock);
+}
+
/* Treat USB reset pretty much the same as suspend/resume */
static int hid_pre_reset(struct usb_interface *intf)
{
@@ -1461,14 +1484,14 @@ static int hid_post_reset(struct usb_interface *intf)
return 1;
}
+ /* No need to do another reset or clear a halted endpoint */
spin_lock_irq(&usbhid->lock);
clear_bit(HID_RESET_PENDING, &usbhid->iofl);
+ clear_bit(HID_CLEAR_HALT, &usbhid->iofl);
spin_unlock_irq(&usbhid->lock);
hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0);
- status = hid_start_in(hid);
- if (status < 0)
- hid_io_error(hid);
- usbhid_restart_queues(usbhid);
+
+ hid_restart_io(hid);
return 0;
}
@@ -1491,25 +1514,9 @@ void usbhid_put_power(struct hid_device *hid)
#ifdef CONFIG_PM
static int hid_resume_common(struct hid_device *hid, bool driver_suspended)
{
- struct usbhid_device *usbhid = hid->driver_data;
- int status;
-
- spin_lock_irq(&usbhid->lock);
- clear_bit(HID_SUSPENDED, &usbhid->iofl);
- usbhid_mark_busy(usbhid);
-
- if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) ||
- test_bit(HID_RESET_PENDING, &usbhid->iofl))
- schedule_work(&usbhid->reset_work);
- usbhid->retry_delay = 0;
-
- usbhid_restart_queues(usbhid);
- spin_unlock_irq(&usbhid->lock);
-
- status = hid_start_in(hid);
- if (status < 0)
- hid_io_error(hid);
+ int status = 0;
+ hid_restart_io(hid);
if (driver_suspended && hid->driver && hid->driver->resume)
status = hid->driver->resume(hid);
return status;
@@ -1576,12 +1583,8 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message)
static int hid_resume(struct usb_interface *intf)
{
struct hid_device *hid = usb_get_intfdata (intf);
- struct usbhid_device *usbhid = hid->driver_data;
int status;
- if (!test_bit(HID_STARTED, &usbhid->iofl))
- return 0;
-
status = hid_resume_common(hid, true);
dev_dbg(&intf->dev, "resume status %d\n", status);
return 0;
@@ -1590,10 +1593,8 @@ static int hid_resume(struct usb_interface *intf)
static int hid_reset_resume(struct usb_interface *intf)
{
struct hid_device *hid = usb_get_intfdata(intf);
- struct usbhid_device *usbhid = hid->driver_data;
int status;
- clear_bit(HID_SUSPENDED, &usbhid->iofl);
status = hid_post_reset(intf);
if (status >= 0 && hid->driver && hid->driver->reset_resume) {
int ret = hid->driver->reset_resume(hid);
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index f445b0840d33..80754e2d8086 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -32,6 +32,7 @@
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#include <linux/completion.h>
+#include <linux/cpu.h>
#include <linux/hyperv.h>
#include <linux/kernel_stat.h>
#include <asm/hyperv.h>
@@ -517,6 +518,39 @@ static void vmbus_flow_handler(unsigned int irq, struct irq_desc *desc)
desc->action->handler(irq, desc->action->dev_id);
}
+#ifdef CONFIG_HOTPLUG_CPU
+static int hyperv_cpu_disable(void)
+{
+ return -ENOSYS;
+}
+
+static void hv_cpu_hotplug_quirk(bool vmbus_loaded)
+{
+ static void *previous_cpu_disable;
+
+ /*
+ * Offlining a CPU when running on newer hypervisors (WS2012R2, Win8,
+ * ...) is not supported at this moment as channel interrupts are
+ * distributed across all of them.
+ */
+
+ if ((vmbus_proto_version == VERSION_WS2008) ||
+ (vmbus_proto_version == VERSION_WIN7))
+ return;
+
+ if (vmbus_loaded) {
+ previous_cpu_disable = smp_ops.cpu_disable;
+ smp_ops.cpu_disable = hyperv_cpu_disable;
+ pr_notice("CPU offlining is not supported by hypervisor\n");
+ } else if (previous_cpu_disable)
+ smp_ops.cpu_disable = previous_cpu_disable;
+}
+#else
+static void hv_cpu_hotplug_quirk(bool vmbus_loaded)
+{
+}
+#endif
+
/*
* vmbus_bus_init -Main vmbus driver initialization routine.
*
@@ -572,6 +606,7 @@ static int vmbus_bus_init(int irq)
if (ret)
goto err_irq;
+ hv_cpu_hotplug_quirk(true);
vmbus_request_offers();
return 0;
@@ -808,6 +843,7 @@ static void __exit vmbus_exit(void)
bus_unregister(&hv_bus);
hv_cleanup();
acpi_bus_unregister_driver(&vmbus_acpi_driver);
+ hv_cpu_hotplug_quirk(false);
}
diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c
index eda077de8a9f..f787f04a0d1a 100644
--- a/drivers/hwmon/max1111.c
+++ b/drivers/hwmon/max1111.c
@@ -85,6 +85,9 @@ static struct max1111_data *the_max1111;
int max1111_read_channel(int channel)
{
+ if (!the_max1111 || !the_max1111->spi)
+ return -ENODEV;
+
return max1111_read(&the_max1111->spi->dev, channel);
}
EXPORT_SYMBOL(max1111_read_channel);
@@ -260,6 +263,9 @@ static int max1111_remove(struct spi_device *spi)
{
struct max1111_data *data = spi_get_drvdata(spi);
+#ifdef CONFIG_SHARPSL_PM
+ the_max1111 = NULL;
+#endif
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&spi->dev.kobj, &max1110_attr_group);
sysfs_remove_group(&spi->dev.kobj, &max1111_attr_group);
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 3823623baa48..693e4ceb85ce 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -120,8 +120,8 @@ struct cpm_i2c {
cbd_t __iomem *rbase;
u_char *txbuf[CPM_MAXBD];
u_char *rxbuf[CPM_MAXBD];
- u32 txdma[CPM_MAXBD];
- u32 rxdma[CPM_MAXBD];
+ dma_addr_t txdma[CPM_MAXBD];
+ dma_addr_t rxdma[CPM_MAXBD];
};
static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index f63341f20b91..e8c6a4842e91 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -817,26 +817,49 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
ar2->udev = udev;
+ /* Sanity check, first interface must have an endpoint */
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 0 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail1;
+ }
ar2->intf[0] = interface;
ar2->ep[0] = &alt->endpoint[0].desc;
+ /* Sanity check, the device must have two interfaces */
ar2->intf[1] = usb_ifnum_to_if(udev, 1);
+ if ((udev->actconfig->desc.bNumInterfaces < 2) || !ar2->intf[1]) {
+ dev_err(&interface->dev, "%s(): need 2 interfaces, found %d\n",
+ __func__, udev->actconfig->desc.bNumInterfaces);
+ r = -ENODEV;
+ goto fail1;
+ }
+
r = usb_driver_claim_interface(&ati_remote2_driver, ar2->intf[1], ar2);
if (r)
goto fail1;
+
+ /* Sanity check, second interface must have an endpoint */
alt = ar2->intf[1]->cur_altsetting;
+ if (alt->desc.bNumEndpoints < 1 || !alt->endpoint) {
+ dev_err(&interface->dev,
+ "%s(): interface 1 must have an endpoint\n", __func__);
+ r = -ENODEV;
+ goto fail2;
+ }
ar2->ep[1] = &alt->endpoint[0].desc;
r = ati_remote2_urb_init(ar2);
if (r)
- goto fail2;
+ goto fail3;
ar2->channel_mask = channel_mask;
ar2->mode_mask = mode_mask;
r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
- goto fail2;
+ goto fail3;
usb_make_path(udev, ar2->phys, sizeof(ar2->phys));
strlcat(ar2->phys, "/input0", sizeof(ar2->phys));
@@ -845,11 +868,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
if (r)
- goto fail2;
+ goto fail3;
r = ati_remote2_input_init(ar2);
if (r)
- goto fail3;
+ goto fail4;
usb_set_intfdata(interface, ar2);
@@ -857,10 +880,11 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
return 0;
- fail3:
+ fail4:
sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
- fail2:
+ fail3:
ati_remote2_urb_cleanup(ar2);
+ fail2:
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
fail1:
kfree(ar2);
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index e204f26b0011..77164dc1bedd 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -1433,6 +1433,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc
pcu->ctrl_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bMasterInterface0);
+ if (!pcu->ctrl_intf)
+ return -EINVAL;
alt = pcu->ctrl_intf->cur_altsetting;
pcu->ep_ctrl = &alt->endpoint[0].desc;
@@ -1440,6 +1442,8 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc
pcu->data_intf = usb_ifnum_to_if(pcu->udev,
union_desc->bSlaveInterface0);
+ if (!pcu->data_intf)
+ return -EINVAL;
alt = pcu->data_intf->cur_altsetting;
if (alt->desc.bNumEndpoints != 2) {
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index e973133212a5..a8c91226cd22 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -246,12 +246,14 @@ static int max8997_haptic_probe(struct platform_device *pdev)
struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent);
const struct max8997_platform_data *pdata =
dev_get_platdata(iodev->dev);
- const struct max8997_haptic_platform_data *haptic_pdata =
- pdata->haptic_pdata;
+ const struct max8997_haptic_platform_data *haptic_pdata = NULL;
struct max8997_haptic *chip;
struct input_dev *input_dev;
int error;
+ if (pdata)
+ haptic_pdata = pdata->haptic_pdata;
+
if (!haptic_pdata) {
dev_err(&pdev->dev, "no haptic platform data\n");
return -EINVAL;
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index 49c0c3ebd321..21ce1cf757bb 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -308,6 +308,9 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
int error = -ENOMEM;
interface = intf->cur_altsetting;
+ if (interface->desc.bNumEndpoints < 1)
+ return -EINVAL;
+
endpoint = &interface->endpoint[0].desc;
if (!usb_endpoint_is_int_in(endpoint))
return -EIO;
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 29e01ab6859f..a9f8f925ba2b 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -869,6 +869,14 @@ static int gtco_probe(struct usb_interface *usbinterface,
goto err_free_buf;
}
+ /* Sanity check that a device has an endpoint */
+ if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
+ dev_err(&usbinterface->dev,
+ "Invalid number of endpoints\n");
+ error = -EINVAL;
+ goto err_free_urb;
+ }
+
/*
* The endpoint is always altsetting 0, we know this since we know
* this device only has one interrupt endpoint
@@ -890,7 +898,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
* HID report descriptor
*/
if (usb_get_extra_descriptor(usbinterface->cur_altsetting,
- HID_DEVICE_TYPE, &hid_desc) != 0){
+ HID_DEVICE_TYPE, &hid_desc) != 0) {
dev_err(&usbinterface->dev,
"Can't retrieve exta USB descriptor to get hid report descriptor length\n");
error = -EIO;
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 84ccf140c1bb..9332e46b53ed 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -697,18 +697,22 @@ static int ads7846_no_filter(void *ads, int data_idx, int *val)
static int ads7846_get_value(struct ads7846 *ts, struct spi_message *m)
{
+ int value;
struct spi_transfer *t =
list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
if (ts->model == 7845) {
- return be16_to_cpup((__be16 *)&(((char*)t->rx_buf)[1])) >> 3;
+ value = be16_to_cpup((__be16 *)&(((char *)t->rx_buf)[1]));
} else {
/*
* adjust: on-wire is a must-ignore bit, a BE12 value, then
* padding; built from two 8 bit values written msb-first.
*/
- return be16_to_cpup((__be16 *)t->rx_buf) >> 3;
+ value = be16_to_cpup((__be16 *)t->rx_buf);
}
+
+ /* enforce ADC output is 12 bits width */
+ return (value >> 3) & 0xfff;
}
static void ads7846_update_value(struct spi_message *m, int val)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 2d2915fdbf02..2a4c13af482a 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1295,6 +1295,9 @@ static void cache_set_flush(struct closure *cl)
set_bit(CACHE_SET_STOPPING_2, &c->flags);
wake_up(&c->alloc_wait);
+ if (!c)
+ closure_return(cl);
+
bch_cache_accounting_destroy(&c->accounting);
kobject_put(&c->internal);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ef18ca745b1e..9ee3c460fa37 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5658,8 +5658,8 @@ static int run(struct mddev *mddev)
}
if (discard_supported &&
- mddev->queue->limits.max_discard_sectors >= stripe &&
- mddev->queue->limits.discard_granularity >= stripe)
+ mddev->queue->limits.max_discard_sectors >= (stripe >> 9) &&
+ mddev->queue->limits.discard_granularity >= stripe)
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
mddev->queue);
else
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index e2633d9270b7..aa4519e5cafa 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -2376,6 +2376,19 @@ static int bttv_g_fmt_vid_overlay(struct file *file, void *priv,
return 0;
}
+static void bttv_get_width_mask_vid_cap(const struct bttv_format *fmt,
+ unsigned int *width_mask,
+ unsigned int *width_bias)
+{
+ if (fmt->flags & FORMAT_FLAGS_PLANAR) {
+ *width_mask = ~15; /* width must be a multiple of 16 pixels */
+ *width_bias = 8; /* nearest */
+ } else {
+ *width_mask = ~3; /* width must be a multiple of 4 pixels */
+ *width_bias = 2; /* nearest */
+ }
+}
+
static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
@@ -2385,6 +2398,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
enum v4l2_field field;
__s32 width, height;
__s32 height2;
+ unsigned int width_mask, width_bias;
int rc;
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
@@ -2417,9 +2431,9 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv,
width = f->fmt.pix.width;
height = f->fmt.pix.height;
+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
rc = limit_scaled_size_lock(fh, &width, &height, field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 0);
if (0 != rc)
@@ -2452,6 +2466,7 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
struct bttv_fh *fh = priv;
struct bttv *btv = fh->btv;
__s32 width, height;
+ unsigned int width_mask, width_bias;
enum v4l2_field field;
retval = bttv_switch_type(fh, f->type);
@@ -2466,9 +2481,10 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
height = f->fmt.pix.height;
field = f->fmt.pix.field;
+ fmt = format_by_fourcc(f->fmt.pix.pixelformat);
+ bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias);
retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field,
- /* width_mask: 4 pixels */ ~3,
- /* width_bias: nearest */ 2,
+ width_mask, width_bias,
/* adjust_size */ 1,
/* adjust_crop */ 1);
if (0 != retval)
@@ -2476,8 +2492,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.field = field;
- fmt = format_by_fourcc(f->fmt.pix.pixelformat);
-
/* update our state informations */
fh->fmt = fmt;
fh->cap.field = f->fmt.pix.field;
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index 77bbf7889659..db1e8ee13ded 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -91,6 +91,7 @@ static const struct usb_device_id pwc_device_table [] = {
{ USB_DEVICE(0x0471, 0x0312) },
{ USB_DEVICE(0x0471, 0x0313) }, /* the 'new' 720K */
{ USB_DEVICE(0x0471, 0x0329) }, /* Philips SPC 900NC PC Camera */
+ { USB_DEVICE(0x0471, 0x032C) }, /* Philips SPC 880NC PC Camera */
{ USB_DEVICE(0x069A, 0x0001) }, /* Askey */
{ USB_DEVICE(0x046D, 0x08B0) }, /* Logitech QuickCam Pro 3000 */
{ USB_DEVICE(0x046D, 0x08B1) }, /* Logitech QuickCam Notebook Pro */
@@ -799,6 +800,11 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
name = "Philips SPC 900NC webcam";
type_id = 740;
break;
+ case 0x032C:
+ PWC_INFO("Philips SPC 880NC USB webcam detected.\n");
+ name = "Philips SPC 880NC webcam";
+ type_id = 740;
+ break;
default:
return -ENODEV;
break;
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index d34c2afe2c24..bcfefe61a592 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1459,6 +1459,7 @@ static void usbvision_release(struct usb_usbvision *usbvision)
usbvision_remove_sysfs(usbvision->vdev);
usbvision_unregister_video(usbvision);
+ kfree(usbvision->alt_max_pkt_size);
usb_free_urb(usbvision->ctrl_urb);
@@ -1520,7 +1521,7 @@ static int usbvision_probe(struct usb_interface *intf,
const struct usb_host_interface *interface;
struct usb_usbvision *usbvision = NULL;
const struct usb_endpoint_descriptor *endpoint;
- int model, i;
+ int model, i, ret;
PDEBUG(DBG_PROBE, "VID=%#04x, PID=%#04x, ifnum=%u",
dev->descriptor.idVendor,
@@ -1529,33 +1530,51 @@ static int usbvision_probe(struct usb_interface *intf,
model = devid->driver_info;
if (model < 0 || model >= usbvision_device_data_size) {
PDEBUG(DBG_PROBE, "model out of bounds %d", model);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_usb;
}
printk(KERN_INFO "%s: %s found\n", __func__,
usbvision_device_data[model].model_string);
if (usbvision_device_data[model].interface >= 0)
interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0];
- else
+ else if (ifnum < dev->actconfig->desc.bNumInterfaces)
interface = &dev->actconfig->interface[ifnum]->altsetting[0];
+ else {
+ dev_err(&intf->dev, "interface %d is invalid, max is %d\n",
+ ifnum, dev->actconfig->desc.bNumInterfaces - 1);
+ ret = -ENODEV;
+ goto err_usb;
+ }
+
+ if (interface->desc.bNumEndpoints < 2) {
+ dev_err(&intf->dev, "interface %d has %d endpoints, but must"
+ " have minimum 2\n", ifnum, interface->desc.bNumEndpoints);
+ ret = -ENODEV;
+ goto err_usb;
+ }
endpoint = &interface->endpoint[1].desc;
+
if (!usb_endpoint_xfer_isoc(endpoint)) {
dev_err(&intf->dev, "%s: interface %d. has non-ISO endpoint!\n",
__func__, ifnum);
dev_err(&intf->dev, "%s: Endpoint attributes %d",
__func__, endpoint->bmAttributes);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_usb;
}
if (usb_endpoint_dir_out(endpoint)) {
dev_err(&intf->dev, "%s: interface %d. has ISO OUT endpoint!\n",
__func__, ifnum);
- return -ENODEV;
+ ret = -ENODEV;
+ goto err_usb;
}
usbvision = usbvision_alloc(dev, intf);
if (usbvision == NULL) {
dev_err(&intf->dev, "%s: couldn't allocate USBVision struct\n", __func__);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_usb;
}
if (dev->descriptor.bNumConfigurations > 1)
@@ -1574,7 +1593,8 @@ static int usbvision_probe(struct usb_interface *intf,
usbvision->alt_max_pkt_size = kmalloc(32 * usbvision->num_alt, GFP_KERNEL);
if (usbvision->alt_max_pkt_size == NULL) {
dev_err(&intf->dev, "usbvision: out of memory!\n");
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_pkt;
}
for (i = 0; i < usbvision->num_alt; i++) {
@@ -1609,6 +1629,12 @@ static int usbvision_probe(struct usb_interface *intf,
PDEBUG(DBG_PROBE, "success");
return 0;
+
+err_pkt:
+ usbvision_release(usbvision);
+err_usb:
+ usb_put_dev(dev);
+ return ret;
}
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index 35fb8f0cb539..07d6ce4c9c6f 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -392,7 +392,8 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
get_user(kp->index, &up->index) ||
get_user(kp->type, &up->type) ||
get_user(kp->flags, &up->flags) ||
- get_user(kp->memory, &up->memory))
+ get_user(kp->memory, &up->memory) ||
+ get_user(kp->length, &up->length))
return -EFAULT;
if (V4L2_TYPE_IS_OUTPUT(kp->type))
@@ -404,9 +405,6 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
return -EFAULT;
if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
- if (get_user(kp->length, &up->length))
- return -EFAULT;
-
num_planes = kp->length;
if (num_planes == 0) {
kp->m.planes = NULL;
@@ -439,16 +437,14 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (get_user(kp->length, &up->length) ||
- get_user(kp->m.offset, &up->m.offset))
+ if (get_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
{
compat_long_t tmp;
- if (get_user(kp->length, &up->length) ||
- get_user(tmp, &up->m.userptr))
+ if (get_user(tmp, &up->m.userptr))
return -EFAULT;
kp->m.userptr = (unsigned long)compat_ptr(tmp);
@@ -490,7 +486,8 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
copy_to_user(&up->timecode, &kp->timecode, sizeof(struct v4l2_timecode)) ||
put_user(kp->sequence, &up->sequence) ||
put_user(kp->reserved2, &up->reserved2) ||
- put_user(kp->reserved, &up->reserved))
+ put_user(kp->reserved, &up->reserved) ||
+ put_user(kp->length, &up->length))
return -EFAULT;
if (V4L2_TYPE_IS_MULTIPLANAR(kp->type)) {
@@ -513,13 +510,11 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user
} else {
switch (kp->memory) {
case V4L2_MEMORY_MMAP:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.offset, &up->m.offset))
+ if (put_user(kp->m.offset, &up->m.offset))
return -EFAULT;
break;
case V4L2_MEMORY_USERPTR:
- if (put_user(kp->length, &up->length) ||
- put_user(kp->m.userptr, &up->m.userptr))
+ if (put_user(kp->m.userptr, &up->m.userptr))
return -EFAULT;
break;
case V4L2_MEMORY_OVERLAY:
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
index e59ac4cbac96..c7576a503e5b 100644
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -269,6 +269,8 @@ static int usbtll_omap_probe(struct platform_device *pdev)
if (IS_ERR(tll->ch_clk[i]))
dev_dbg(dev, "can't get clock : %s\n", clkname);
+ else
+ clk_prepare(tll->ch_clk[i]);
}
pm_runtime_put_sync(dev);
@@ -301,9 +303,12 @@ static int usbtll_omap_remove(struct platform_device *pdev)
tll_dev = NULL;
spin_unlock(&tll_lock);
- for (i = 0; i < tll->nch; i++)
- if (!IS_ERR(tll->ch_clk[i]))
+ for (i = 0; i < tll->nch; i++) {
+ if (!IS_ERR(tll->ch_clk[i])) {
+ clk_unprepare(tll->ch_clk[i]);
clk_put(tll->ch_clk[i]);
+ }
+ }
pm_runtime_disable(&pdev->dev);
return 0;
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index c002d8660e30..7a6818407836 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -451,7 +451,7 @@ config ARM_CHARLCD
still useful.
config BMP085
- bool
+ tristate
depends on SYSFS
config BMP085_I2C
diff --git a/drivers/misc/ad525x_dpot.c b/drivers/misc/ad525x_dpot.c
index 8f99e8e3f0ac..beb7422c3cc7 100644
--- a/drivers/misc/ad525x_dpot.c
+++ b/drivers/misc/ad525x_dpot.c
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
*/
value = swab16(value);
- if (dpot->uid == DPOT_UID(AD5271_ID))
+ if (dpot->uid == DPOT_UID(AD5274_ID))
value = value >> 2;
return value;
default:
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index ebb40a292d67..c6bf23599eb9 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2322,11 +2322,12 @@ static const struct mmc_fixup blk_fixups[] =
MMC_QUIRK_BLK_NO_CMD23),
/*
- * Some Micron MMC cards needs longer data read timeout than
- * indicated in CSD.
+ * Some MMC cards need longer data read timeout than indicated in CSD.
*/
MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc,
MMC_QUIRK_LONG_READ_TIME),
+ MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_LONG_READ_TIME),
/*
* On these Samsung MoviNAND parts, performing secure erase or
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 68ab26385d06..3ae6f1325773 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -801,11 +801,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
/*
* Some cards require longer data read timeout than indicated in CSD.
* Address this by setting the read timeout to a "reasonably high"
- * value. For the cards tested, 300ms has proven enough. If necessary,
+ * value. For the cards tested, 600ms has proven enough. If necessary,
* this value can be increased if other problematic cards require this.
*/
if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
- data->timeout_ns = 300000000;
+ data->timeout_ns = 600000000;
data->timeout_clks = 0;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 0cbd1effe960..dda1a42ae822 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -266,6 +266,9 @@ static void mmc_select_card_type(struct mmc_card *card)
card->ext_csd.card_type = card_type;
}
+/* Minimum partition switch timeout in milliseconds */
+#define MMC_MIN_PART_SWITCH_TIME 300
+
/*
* Decode extended CSD.
*/
@@ -330,6 +333,10 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
/* EXT_CSD value is in units of 10ms, but we store in ms */
card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME];
+ /* Some eMMC set the value too low so set a minimum */
+ if (card->ext_csd.part_time &&
+ card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
+ card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
/* Sleep / awake timeout in 100ns units */
if (sa_shift > 0 && sa_shift <= 0x17)
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index b3f41f200622..0f13fd4748ec 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -2610,6 +2610,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
*/
static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
{
+ struct onenand_chip *this = mtd->priv;
int ret;
ret = onenand_block_isbad(mtd, ofs);
@@ -2621,7 +2622,7 @@ static int onenand_block_markbad(struct mtd_info *mtd, loff_t ofs)
}
onenand_get_device(mtd, FL_WRITING);
- ret = mtd_block_markbad(mtd, ofs);
+ ret = this->block_markbad(mtd, ofs);
onenand_release_device(mtd);
return ret;
}
diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c
index 265ce1b752ed..96fe542b4acb 100644
--- a/drivers/net/ethernet/atheros/atlx/atl2.c
+++ b/drivers/net/ethernet/atheros/atlx/atl2.c
@@ -1413,7 +1413,7 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = -EIO;
- netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX;
+ netdev->hw_features = NETIF_F_HW_VLAN_CTAG_RX;
netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX);
/* Init PHY as early as possible due to power saving issue */
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 070a6f1a0577..2f4cbcae9c7c 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -3290,13 +3290,14 @@ jme_resume(struct device *dev)
jme_reset_phy_processor(jme);
jme_phy_calibration(jme);
jme_phy_setEA(jme);
- jme_start_irq(jme);
netif_device_attach(netdev);
atomic_inc(&jme->link_changing);
jme_reset_link(jme);
+ jme_start_irq(jme);
+
return 0;
}
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
index f87cc216045b..a978cc2eafe0 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c
@@ -1620,7 +1620,18 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev,
return;
}
skb_reserve(new_skb, NET_IP_ALIGN);
+
+ pci_dma_sync_single_for_cpu(qdev->pdev,
+ dma_unmap_addr(sbq_desc, mapaddr),
+ dma_unmap_len(sbq_desc, maplen),
+ PCI_DMA_FROMDEVICE);
+
memcpy(skb_put(new_skb, length), skb->data, length);
+
+ pci_dma_sync_single_for_device(qdev->pdev,
+ dma_unmap_addr(sbq_desc, mapaddr),
+ dma_unmap_len(sbq_desc, maplen),
+ PCI_DMA_FROMDEVICE);
skb = new_skb;
/* Frame error, so drop the packet. */
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index b93a0fb17236..93b652516a94 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1161,7 +1161,8 @@ static void sh_eth_ring_format(struct net_device *ndev)
mdp->dirty_rx = (u32) (i - mdp->num_rx_ring);
/* Mark the last entry as wrapping the ring. */
- rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL);
+ if (rxdesc)
+ rxdesc->status |= cpu_to_edmac(mdp, RD_RDEL);
memset(mdp->tx_ring, 0, tx_ringsize);
diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c
index a41267197839..0d71fa9f0c68 100644
--- a/drivers/net/irda/irtty-sir.c
+++ b/drivers/net/irda/irtty-sir.c
@@ -430,16 +430,6 @@ static int irtty_open(struct tty_struct *tty)
/* Module stuff handled via irda_ldisc.owner - Jean II */
- /* First make sure we're not already connected. */
- if (tty->disc_data != NULL) {
- priv = tty->disc_data;
- if (priv && priv->magic == IRTTY_MAGIC) {
- ret = -EEXIST;
- goto out;
- }
- tty->disc_data = NULL; /* ### */
- }
-
/* stop the underlying driver */
irtty_stop_receiver(tty, TRUE);
if (tty->ops->stop)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index a2d7d5f066f1..14a8d2958698 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2220,7 +2220,7 @@ int ppp_register_net_channel(struct net *net, struct ppp_channel *chan)
pch->ppp = NULL;
pch->chan = chan;
- pch->chan_net = net;
+ pch->chan_net = get_net(net);
chan->ppp = pch;
init_ppp_file(&pch->file, CHANNEL);
pch->file.hdrlen = chan->hdrlen;
@@ -2317,6 +2317,8 @@ ppp_unregister_channel(struct ppp_channel *chan)
spin_lock_bh(&pn->all_channels_lock);
list_del(&pch->list);
spin_unlock_bh(&pn->all_channels_lock);
+ put_net(pch->chan_net);
+ pch->chan_net = NULL;
pch->file.dead = 1;
wake_up_interruptible(&pch->file.rwait);
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index f433b594388e..00a8128cf927 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -269,7 +269,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
struct net_device *ndev = dev_id;
struct rionet_private *rnet = netdev_priv(ndev);
- spin_lock(&rnet->lock);
+ spin_lock(&rnet->tx_lock);
if (netif_msg_intr(rnet))
printk(KERN_INFO
@@ -288,7 +288,7 @@ static void rionet_outb_msg_event(struct rio_mport *mport, void *dev_id, int mbo
if (rnet->tx_cnt < RIONET_TX_RING_SIZE)
netif_wake_queue(ndev);
- spin_unlock(&rnet->lock);
+ spin_unlock(&rnet->tx_lock);
}
static int rionet_open(struct net_device *ndev)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 43afde8f48d2..74581cbcafa7 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -464,7 +464,11 @@ advance:
iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber;
- /* reset data interface */
+ /* Reset data interface. Some devices will not reset properly
+ * unless they are configured first. Toggle the altsetting to
+ * force a reset
+ */
+ usb_set_interface(dev->udev, iface_no, data_altsetting);
temp = usb_set_interface(dev->udev, iface_no, 0);
if (temp)
goto error2;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 0244a1fb38f9..12aaf1f4f890 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -724,6 +724,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
+ {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fb068ada0c5a..2255d8965037 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1622,6 +1622,13 @@ out3:
if (info->unbind)
info->unbind (dev, udev);
out1:
+ /* subdrivers must undo all they did in bind() if they
+ * fail it, but we may fail later and a deferred kevent
+ * may trigger an error resubmitting itself and, worse,
+ * schedule a timer. So we kill it all just in case.
+ */
+ cancel_work_sync(&dev->kevent);
+ del_timer_sync(&dev->delay);
free_netdev(net);
out:
return status;
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index bcfff0d62de4..2dfa1478d7d1 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -2545,7 +2545,7 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->mem_start = card->phys_mem
+ BUF_OFFSET ( txBuffer[i][0][0]);
dev->mem_end = card->phys_mem
- + BUF_OFFSET ( txBuffer[i][NUM_TX_BUFFER][0]);
+ + BUF_OFFSET ( txBuffer[i][NUM_TX_BUFFER - 1][LEN_RX_BUFFER - 1]);
dev->base_addr = card->pci_conf;
dev->irq = card->irq;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index 971d770722cf..2ac05486424b 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -408,10 +408,9 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
if (match) {
if (AR_SREV_9287(ah)) {
- /* FIXME: array overrun? */
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_9287[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_9287[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_9287[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_9287[idxL].pwrPdg[i],
data_9287[idxL].vpdPdg[i],
@@ -421,7 +420,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else if (eeprom_4k) {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_4k[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_4k[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_4k[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_4k[idxL].pwrPdg[i],
data_4k[idxL].vpdPdg[i],
@@ -431,7 +430,7 @@ void ath9k_hw_get_gain_boundaries_pdadcs(struct ath_hw *ah,
} else {
for (i = 0; i < numXpdGains; i++) {
minPwrT4[i] = data_def[idxL].pwrPdg[i][0];
- maxPwrT4[i] = data_def[idxL].pwrPdg[i][4];
+ maxPwrT4[i] = data_def[idxL].pwrPdg[i][intercepts - 1];
ath9k_hw_fill_vpd_table(minPwrT4[i], maxPwrT4[i],
data_def[idxL].pwrPdg[i],
data_def[idxL].vpdPdg[i],
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 034a4d2964d6..d332d55885f8 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -173,6 +173,9 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
struct pci_bus_region region;
bool bar_too_big = false, bar_disabled = false;
+ if (dev->non_compliant_bars)
+ return 0;
+
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
/* No printks while decoding is disabled! */
@@ -981,6 +984,7 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev)
int pci_setup_device(struct pci_dev *dev)
{
u32 class;
+ u16 cmd;
u8 hdr_type;
struct pci_slot *slot;
int pos = 0;
@@ -1028,6 +1032,16 @@ int pci_setup_device(struct pci_dev *dev)
/* device class may be changed after fixup */
class = dev->class >> 8;
+ if (dev->non_compliant_bars) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
+ dev_info(&dev->dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
+ cmd &= ~PCI_COMMAND_IO;
+ cmd &= ~PCI_COMMAND_MEMORY;
+ pci_write_config_word(dev, PCI_COMMAND, cmd);
+ }
+ }
+
switch (dev->hdr_type) { /* header type */
case PCI_HEADER_TYPE_NORMAL: /* standard header */
if (class == PCI_CLASS_BRIDGE_PCI)
diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c
index 769d265b221b..deb7f4bcdb7b 100644
--- a/drivers/pnp/pnpbios/bioscalls.c
+++ b/drivers/pnp/pnpbios/bioscalls.c
@@ -21,7 +21,7 @@
#include "pnpbios.h"
-static struct {
+__visible struct {
u16 offset;
u16 segment;
} pnp_bios_callpoint;
@@ -41,6 +41,7 @@ asmlinkage void pnp_bios_callfunc(void);
__asm__(".text \n"
__ALIGN_STR "\n"
+ ".globl pnp_bios_callfunc\n"
"pnp_bios_callfunc:\n"
" pushl %edx \n"
" pushl %ecx \n"
@@ -66,9 +67,9 @@ static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092,
* after PnP BIOS oopses.
*/
-u32 pnp_bios_fault_esp;
-u32 pnp_bios_fault_eip;
-u32 pnp_bios_is_utter_crap = 0;
+__visible u32 pnp_bios_fault_esp;
+__visible u32 pnp_bios_fault_eip;
+__visible u32 pnp_bios_is_utter_crap = 0;
static spinlock_t pnp_bios_lock;
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index f91be04b9050..ca0f213c06a5 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -272,12 +272,13 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id)
}
static const struct rtc_class_ops vr41xx_rtc_ops = {
- .release = vr41xx_rtc_release,
- .ioctl = vr41xx_rtc_ioctl,
- .read_time = vr41xx_rtc_read_time,
- .set_time = vr41xx_rtc_set_time,
- .read_alarm = vr41xx_rtc_read_alarm,
- .set_alarm = vr41xx_rtc_set_alarm,
+ .release = vr41xx_rtc_release,
+ .ioctl = vr41xx_rtc_ioctl,
+ .read_time = vr41xx_rtc_read_time,
+ .set_time = vr41xx_rtc_set_time,
+ .read_alarm = vr41xx_rtc_read_alarm,
+ .set_alarm = vr41xx_rtc_set_alarm,
+ .alarm_irq_enable = vr41xx_rtc_alarm_irq_enable,
};
static int rtc_probe(struct platform_device *pdev)
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 1be0776a80c4..6a0d362e2596 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -83,9 +83,12 @@ static int fib_map_alloc(struct aac_dev *dev)
void aac_fib_map_free(struct aac_dev *dev)
{
- pci_free_consistent(dev->pdev,
- dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB),
- dev->hw_fib_va, dev->hw_fib_pa);
+ if (dev->hw_fib_va && dev->max_fib_size) {
+ pci_free_consistent(dev->pdev,
+ (dev->max_fib_size *
+ (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)),
+ dev->hw_fib_va, dev->hw_fib_pa);
+ }
dev->hw_fib_va = NULL;
dev->hw_fib_pa = 0;
}
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index bfe812fcce34..a683a831527b 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4040,6 +4040,7 @@ put_shost:
scsi_host_put(phba->shost);
free_kset:
iscsi_boot_destroy_kset(phba->boot_kset);
+ phba->boot_kset = NULL;
return -ENOMEM;
}
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 4a79a5f0d95e..25ac2c00f8b3 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3908,13 +3908,17 @@ static ssize_t ipr_store_update_fw(struct device *dev,
struct ipr_sglist *sglist;
char fname[100];
char *src;
- int len, result, dnld_size;
+ char *endline;
+ int result, dnld_size;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- len = snprintf(fname, 99, "%s", buf);
- fname[len-1] = '\0';
+ snprintf(fname, sizeof(fname), "%s", buf);
+
+ endline = strchr(fname, '\n');
+ if (endline)
+ *endline = '\0';
if (request_firmware(&fw_entry, fname, &ioa_cfg->pdev->dev)) {
dev_err(&ioa_cfg->pdev->dev, "Firmware file %s not found\n", fname);
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index cb465b253910..e6e0679ec882 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2684,7 +2684,7 @@ lpfc_online(struct lpfc_hba *phba)
}
vports = lpfc_create_vport_work_array(phba);
- if (vports != NULL)
+ if (vports != NULL) {
for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
struct Scsi_Host *shost;
shost = lpfc_shost_from_vport(vports[i]);
@@ -2701,7 +2701,8 @@ lpfc_online(struct lpfc_hba *phba)
}
spin_unlock_irq(shost->host_lock);
}
- lpfc_destroy_vport_work_array(phba, vports);
+ }
+ lpfc_destroy_vport_work_array(phba, vports);
lpfc_unblock_mgmt_io(phba);
return 0;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 0be16bf5f0cd..1f65e32db285 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -633,7 +633,8 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
else
hp->dxfer_direction = (mxsize > 0) ? SG_DXFER_FROM_DEV : SG_DXFER_NONE;
hp->dxfer_len = mxsize;
- if (hp->dxfer_direction == SG_DXFER_TO_DEV)
+ if ((hp->dxfer_direction == SG_DXFER_TO_DEV) ||
+ (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV))
hp->dxferp = (char __user *)buf + cmd_size;
else
hp->dxferp = NULL;
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index 7b97df6f2a42..b4f237e55931 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -784,6 +784,17 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
if (!(size > 0))
return 0;
+ if (size > urb->transfer_buffer_length) {
+ /* should not happen, probably malicious packet */
+ if (ud->side == USBIP_STUB) {
+ usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+ return 0;
+ } else {
+ usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+ return -EPIPE;
+ }
+ }
+
ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size);
if (ret != size) {
dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret);
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index d8c06a3d391e..1119d533c8e2 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -686,22 +686,16 @@ static int size_fifo(struct uart_8250_port *up)
*/
static unsigned int autoconfig_read_divisor_id(struct uart_8250_port *p)
{
- unsigned char old_dll, old_dlm, old_lcr;
- unsigned int id;
+ unsigned char old_lcr;
+ unsigned int id, old_dl;
old_lcr = serial_in(p, UART_LCR);
serial_out(p, UART_LCR, UART_LCR_CONF_MODE_A);
+ old_dl = serial_dl_read(p);
+ serial_dl_write(p, 0);
+ id = serial_dl_read(p);
+ serial_dl_write(p, old_dl);
- old_dll = serial_in(p, UART_DLL);
- old_dlm = serial_in(p, UART_DLM);
-
- serial_out(p, UART_DLL, 0);
- serial_out(p, UART_DLM, 0);
-
- id = serial_in(p, UART_DLL) | serial_in(p, UART_DLM) << 8;
-
- serial_out(p, UART_DLL, old_dll);
- serial_out(p, UART_DLM, old_dlm);
serial_out(p, UART_LCR, old_lcr);
return id;
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index b8366b154fb9..921bf90bcc6a 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -724,6 +724,8 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
/* check to see if we need to change clock source */
if (ourport->baudclk != clk) {
+ clk_prepare_enable(clk);
+
s3c24xx_serial_setsource(port, clk_sel);
if (!IS_ERR(ourport->baudclk)) {
@@ -731,8 +733,6 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
ourport->baudclk = ERR_PTR(-EINVAL);
}
- clk_prepare_enable(clk);
-
ourport->baudclk = clk;
ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0;
}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index db9d69fa1085..6dff194751f1 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3534,9 +3534,10 @@ static int do_register_con_driver(const struct consw *csw, int first, int last)
goto err;
desc = csw->con_startup();
-
- if (!desc)
+ if (!desc) {
+ retval = -ENODEV;
goto err;
+ }
retval = -EINVAL;
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index d6dab8adf60e..e7436ebbf04c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -997,6 +997,9 @@ static int acm_probe(struct usb_interface *intf,
if (quirks == NO_UNION_NORMAL) {
data_interface = usb_ifnum_to_if(usb_dev, 1);
control_interface = usb_ifnum_to_if(usb_dev, 0);
+ /* we would crash */
+ if (!data_interface || !control_interface)
+ return -ENODEV;
goto skip_normal_probe;
}
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 2cdd5079ae78..f7310dd107ca 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -461,11 +461,15 @@ static int usb_unbind_interface(struct device *dev)
int usb_driver_claim_interface(struct usb_driver *driver,
struct usb_interface *iface, void *priv)
{
- struct device *dev = &iface->dev;
+ struct device *dev;
struct usb_device *udev;
int retval = 0;
int lpm_disable_error;
+ if (!iface)
+ return -ENODEV;
+
+ dev = &iface->dev;
if (dev->driver)
return -EBUSY;
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 4676917e2b1f..1eac8ddc5556 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -74,6 +74,15 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd,
if (companion->bus != pdev->bus ||
PCI_SLOT(companion->devfn) != slot)
continue;
+
+ /*
+ * Companion device should be either UHCI,OHCI or EHCI host
+ * controller, otherwise skip.
+ */
+ if (companion->class != CL_UHCI && companion->class != CL_OHCI &&
+ companion->class != CL_EHCI)
+ continue;
+
companion_hcd = pci_get_drvdata(companion);
if (!companion_hcd || !companion_hcd->self.root_hub)
continue;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 92873f2773fc..8eb2de6beee4 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4167,7 +4167,13 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
r = -EPROTO;
break;
}
- if (r == 0)
+ /*
+ * Some devices time out if they are powered on
+ * when already connected. They need a second
+ * reset. But only on the first attempt,
+ * lest we get into a time out/reset loop
+ */
+ if (r == 0 || (r == -ETIMEDOUT && j == 0))
break;
}
udev->descriptor.bMaxPacketSize0 =
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 87e82e6b0c38..af9e4e8c9064 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1861,6 +1861,11 @@ no_bw:
kfree(xhci->port_array);
kfree(xhci->rh_bw);
+ xhci->usb2_ports = NULL;
+ xhci->usb3_ports = NULL;
+ xhci->port_array = NULL;
+ xhci->rh_bw = NULL;
+
xhci->page_size = 0;
xhci->page_shift = 0;
xhci->bus_state[0].bus_suspended = 0;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index d36f34e25bed..4c24ba0a6574 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -792,6 +792,12 @@ static int iowarrior_probe(struct usb_interface *interface,
iface_desc = interface->cur_altsetting;
dev->product_id = le16_to_cpu(udev->descriptor.idProduct);
+ if (iface_desc->desc.bNumEndpoints < 1) {
+ dev_err(&interface->dev, "Invalid number of endpoints\n");
+ retval = -EINVAL;
+ goto error;
+ }
+
/* set up the endpoint information */
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 45b94019aec8..157a9f9afc2d 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -166,7 +166,8 @@ static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type)
goto __usbhs_pkt_handler_end;
}
- ret = func(pkt, &is_done);
+ if (likely(func))
+ ret = func(pkt, &is_done);
if (is_done)
__usbhsf_pkt_del(pkt);
@@ -933,6 +934,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
pkt->trans = len;
+ usbhsf_tx_irq_ctrl(pipe, 0);
INIT_WORK(&pkt->work, xfer_work);
schedule_work(&pkt->work);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 84b770461655..0093261ccc57 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -108,6 +108,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */
{ USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */
{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */
+ { USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */
{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
{ USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
@@ -117,6 +118,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */
{ USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */
{ USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */
+ { USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */
{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
@@ -140,6 +142,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
+ { USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */
+ { USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
{ USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */
@@ -164,6 +168,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */
{ USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */
{ USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */
+ { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */
{ USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 082120198f87..09f0f631389e 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -449,6 +449,11 @@ static int cypress_generic_port_probe(struct usb_serial_port *port)
struct usb_serial *serial = port->serial;
struct cypress_private *priv;
+ if (!port->interrupt_out_urb || !port->interrupt_in_urb) {
+ dev_err(&port->dev, "required endpoint is missing\n");
+ return -ENODEV;
+ }
+
priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -606,12 +611,6 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port)
cypress_set_termios(tty, port, &priv->tmp_termios);
/* setup the port and start reading from the device */
- if (!port->interrupt_in_urb) {
- dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n",
- __func__);
- return -1;
- }
-
usb_fill_int_urb(port->interrupt_in_urb, serial->dev,
usb_rcvintpipe(serial->dev, port->interrupt_in_endpointAddress),
port->interrupt_in_urb->transfer_buffer,
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 7b807d389527..8c34d9cfb226 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1253,8 +1253,27 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num)
static int digi_startup(struct usb_serial *serial)
{
+ struct device *dev = &serial->interface->dev;
struct digi_serial *serial_priv;
int ret;
+ int i;
+
+ /* check whether the device has the expected number of endpoints */
+ if (serial->num_port_pointers < serial->type->num_ports + 1) {
+ dev_err(dev, "OOB endpoints missing\n");
+ return -ENODEV;
+ }
+
+ for (i = 0; i < serial->type->num_ports + 1 ; i++) {
+ if (!serial->port[i]->read_urb) {
+ dev_err(dev, "bulk-in endpoint missing\n");
+ return -ENODEV;
+ }
+ if (!serial->port[i]->write_urb) {
+ dev_err(dev, "bulk-out endpoint missing\n");
+ return -ENODEV;
+ }
+ }
serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL);
if (!serial_priv)
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 1477e8593476..c574d312f1f5 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2988,16 +2988,9 @@ static void edge_disconnect(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
- /* stop reads and writes on all ports */
- /* free up our endpoint stuff */
if (edge_serial->is_epic) {
usb_kill_urb(edge_serial->interrupt_read_urb);
- usb_free_urb(edge_serial->interrupt_read_urb);
- kfree(edge_serial->interrupt_in_buffer);
-
usb_kill_urb(edge_serial->read_urb);
- usb_free_urb(edge_serial->read_urb);
- kfree(edge_serial->bulk_in_buffer);
}
}
@@ -3010,6 +3003,16 @@ static void edge_release(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
+ if (edge_serial->is_epic) {
+ usb_kill_urb(edge_serial->interrupt_read_urb);
+ usb_free_urb(edge_serial->interrupt_read_urb);
+ kfree(edge_serial->interrupt_in_buffer);
+
+ usb_kill_urb(edge_serial->read_urb);
+ usb_free_urb(edge_serial->read_urb);
+ kfree(edge_serial->bulk_in_buffer);
+ }
+
kfree(edge_serial);
}
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index cec377b8bb8b..32a67c69eec8 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2392,6 +2392,10 @@ static void keyspan_release(struct usb_serial *serial)
s_priv = usb_get_serial_data(serial);
+ /* Make sure to unlink the URBs submitted in attach. */
+ usb_kill_urb(s_priv->instat_urb);
+ usb_kill_urb(s_priv->indat_urb);
+
usb_free_urb(s_priv->instat_urb);
usb_free_urb(s_priv->indat_urb);
usb_free_urb(s_priv->glocont_urb);
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 6a15adf53360..c14c29ff1151 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -377,14 +377,21 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port,
static int mct_u232_port_probe(struct usb_serial_port *port)
{
+ struct usb_serial *serial = port->serial;
struct mct_u232_private *priv;
+ /* check first to simplify error handling */
+ if (!serial->port[1] || !serial->port[1]->interrupt_in_urb) {
+ dev_err(&port->dev, "expected endpoint missing\n");
+ return -ENODEV;
+ }
+
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
/* Use second interrupt-in endpoint for reading. */
- priv->read_urb = port->serial->port[1]->interrupt_in_urb;
+ priv->read_urb = serial->port[1]->interrupt_in_urb;
priv->read_urb->context = port;
spin_lock_init(&priv->lock);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 24366a2afea6..bcb6f5c2bae4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -375,18 +375,22 @@ static void option_instat_callback(struct urb *urb);
#define HAIER_PRODUCT_CE81B 0x10f8
#define HAIER_PRODUCT_CE100 0x2009
-/* Cinterion (formerly Siemens) products */
-#define SIEMENS_VENDOR_ID 0x0681
-#define CINTERION_VENDOR_ID 0x1e2d
+/* Gemalto's Cinterion products (formerly Siemens) */
+#define SIEMENS_VENDOR_ID 0x0681
+#define CINTERION_VENDOR_ID 0x1e2d
+#define CINTERION_PRODUCT_HC25_MDMNET 0x0040
#define CINTERION_PRODUCT_HC25_MDM 0x0047
-#define CINTERION_PRODUCT_HC25_MDMNET 0x0040
+#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */
#define CINTERION_PRODUCT_HC28_MDM 0x004C
-#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */
#define CINTERION_PRODUCT_EU3_E 0x0051
#define CINTERION_PRODUCT_EU3_P 0x0052
#define CINTERION_PRODUCT_PH8 0x0053
#define CINTERION_PRODUCT_AHXX 0x0055
#define CINTERION_PRODUCT_PLXX 0x0060
+#define CINTERION_PRODUCT_PH8_2RMNET 0x0082
+#define CINTERION_PRODUCT_PH8_AUDIO 0x0083
+#define CINTERION_PRODUCT_AHXX_2RMNET 0x0084
+#define CINTERION_PRODUCT_AHXX_AUDIO 0x0085
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
@@ -641,6 +645,10 @@ static const struct option_blacklist_info telit_le922_blacklist_usbcfg3 = {
.reserved = BIT(1) | BIT(2) | BIT(3),
};
+static const struct option_blacklist_info cinterion_rmnet2_blacklist = {
+ .reserved = BIT(4) | BIT(5),
+};
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -1712,7 +1720,13 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX, 0xff) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
- { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_2RMNET, 0xff),
+ .driver_info = (kernel_ulong_t)&cinterion_rmnet2_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_AUDIO, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
@@ -1818,6 +1832,8 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 02b0803425c5..13824b5ca343 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -141,6 +141,7 @@ static void qt2_release(struct usb_serial *serial)
serial_priv = usb_get_serial_data(serial);
+ usb_kill_urb(serial_priv->read_urb);
usb_free_urb(serial_priv->read_urb);
kfree(serial_priv);
}
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index 0810939936f4..b13bfb2e52a2 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -226,8 +226,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 2,
.hsync_len = 0,
.vsync_len = 0,
- .sync = FB_SYNC_CLK_INVERT |
- FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = FB_SYNC_CLK_INVERT,
},
/* Sharp LK043T1DG01 */
[1] = {
@@ -241,7 +240,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 2,
.hsync_len = 41,
.vsync_len = 10,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = 0,
.flag = 0,
},
[2] = {
@@ -256,7 +255,7 @@ static struct fb_videomode known_lcd_panels[] = {
.lower_margin = 10,
.hsync_len = 10,
.vsync_len = 10,
- .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .sync = 0,
.flag = 0,
},
};
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index f78bc008cbb7..ea8f58216d4d 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -237,7 +237,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd,
return -EINVAL;
/* Fall through */
case WDIOC_GETTIMEOUT:
- return copy_to_user(argp, &timeout, sizeof(int));
+ return copy_to_user(argp, &timeout, sizeof(int)) ? -EFAULT : 0;
default:
return -ENOTTY;
}
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 8edc9eb1ef7b..d65e16e9d1d9 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -487,19 +487,27 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
sec_blob->LmChallengeResponse.MaximumLength = 0;
sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
- rc = setup_ntlmv2_rsp(ses, nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
- goto setup_ntlmv2_ret;
- }
- memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
+ if (ses->user_name != NULL) {
+ rc = setup_ntlmv2_rsp(ses, nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
+ goto setup_ntlmv2_ret;
+ }
+ memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
- sec_blob->NtChallengeResponse.Length =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- sec_blob->NtChallengeResponse.MaximumLength =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ sec_blob->NtChallengeResponse.Length =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ sec_blob->NtChallengeResponse.MaximumLength =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ } else {
+ /*
+ * don't send an NT Response for anonymous access
+ */
+ sec_blob->NtChallengeResponse.Length = 0;
+ sec_blob->NtChallengeResponse.MaximumLength = 0;
+ }
if (ses->domainName == NULL) {
sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 6f74b8919237..046e3e93783e 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -851,6 +851,29 @@ do { \
#include "extents_status.h"
/*
+ * Lock subclasses for i_data_sem in the ext4_inode_info structure.
+ *
+ * These are needed to avoid lockdep false positives when we need to
+ * allocate blocks to the quota inode during ext4_map_blocks(), while
+ * holding i_data_sem for a normal (non-quota) inode. Since we don't
+ * do quota tracking for the quota inode, this avoids deadlock (as
+ * well as infinite recursion, since it isn't turtles all the way
+ * down...)
+ *
+ * I_DATA_SEM_NORMAL - Used for most inodes
+ * I_DATA_SEM_OTHER - Used by move_inode.c for the second normal inode
+ * where the second inode has larger inode number
+ * than the first
+ * I_DATA_SEM_QUOTA - Used for quota inodes only
+ */
+enum {
+ I_DATA_SEM_NORMAL = 0,
+ I_DATA_SEM_OTHER,
+ I_DATA_SEM_QUOTA,
+};
+
+
+/*
* fourth extended file system inode data in memory
*/
struct ext4_inode_info {
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 10b71e4029a0..fb7e576df25c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5063,6 +5063,8 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
might_sleep();
trace_ext4_mark_inode_dirty(inode, _RET_IP_);
err = ext4_reserve_inode_write(handle, inode, &iloc);
+ if (err)
+ return err;
if (ext4_handle_valid(handle) &&
EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
!ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) {
@@ -5093,9 +5095,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
}
}
}
- if (!err)
- err = ext4_mark_iloc_dirty(handle, inode, &iloc);
- return err;
+ return ext4_mark_iloc_dirty(handle, inode, &iloc);
}
/*
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 3dcbf364022f..ad52ace2b79a 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -154,10 +154,10 @@ ext4_double_down_write_data_sem(struct inode *first, struct inode *second)
{
if (first < second) {
down_write(&EXT4_I(first)->i_data_sem);
- down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING);
+ down_write_nested(&EXT4_I(second)->i_data_sem, I_DATA_SEM_OTHER);
} else {
down_write(&EXT4_I(second)->i_data_sem);
- down_write_nested(&EXT4_I(first)->i_data_sem, SINGLE_DEPTH_NESTING);
+ down_write_nested(&EXT4_I(first)->i_data_sem, I_DATA_SEM_OTHER);
}
}
@@ -1117,6 +1117,13 @@ mext_check_arguments(struct inode *orig_inode,
return -EINVAL;
}
+ if (IS_NOQUOTA(orig_inode) || IS_NOQUOTA(donor_inode)) {
+ ext4_debug("ext4 move extent: The argument files should "
+ "not be quota files [ino:orig %lu, donor %lu]\n",
+ orig_inode->i_ino, donor_inode->i_ino);
+ return -EBUSY;
+ }
+
/* Ext4 move extent supports only extent based file */
if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) {
ext4_debug("ext4 move extent: orig file is not extents "
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a7e079749425..063eb5094a63 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4984,6 +4984,20 @@ static int ext4_quota_on_mount(struct super_block *sb, int type)
EXT4_SB(sb)->s_jquota_fmt, type);
}
+static void lockdep_set_quota_inode(struct inode *inode, int subclass)
+{
+ struct ext4_inode_info *ei = EXT4_I(inode);
+
+ /* The first argument of lockdep_set_subclass has to be
+ * *exactly* the same as the argument to init_rwsem() --- in
+ * this case, in init_once() --- or lockdep gets unhappy
+ * because the name of the lock is set using the
+ * stringification of the argument to init_rwsem().
+ */
+ (void) ei; /* shut up clang warning if !CONFIG_LOCKDEP */
+ lockdep_set_subclass(&ei->i_data_sem, subclass);
+}
+
/*
* Standard function to be called on quota_on
*/
@@ -5023,8 +5037,12 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
if (err)
return err;
}
-
- return dquot_quota_on(sb, type, format_id, path);
+ lockdep_set_quota_inode(path->dentry->d_inode, I_DATA_SEM_QUOTA);
+ err = dquot_quota_on(sb, type, format_id, path);
+ if (err)
+ lockdep_set_quota_inode(path->dentry->d_inode,
+ I_DATA_SEM_NORMAL);
+ return err;
}
static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
@@ -5050,8 +5068,11 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
/* Don't account quota for quota files to avoid recursion */
qf_inode->i_flags |= S_NOQUOTA;
+ lockdep_set_quota_inode(qf_inode, I_DATA_SEM_QUOTA);
err = dquot_enable(qf_inode, type, format_id, flags);
iput(qf_inode);
+ if (err)
+ lockdep_set_quota_inode(qf_inode, I_DATA_SEM_NORMAL);
return err;
}
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 735d7522a3a9..204659a5f6db 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -203,6 +203,8 @@ int get_rock_ridge_filename(struct iso_directory_record *de,
int retnamlen = 0;
int truncate = 0;
int ret = 0;
+ char *p;
+ int len;
if (!ISOFS_SB(inode->i_sb)->s_rock)
return 0;
@@ -267,12 +269,17 @@ repeat:
rr->u.NM.flags);
break;
}
- if ((strlen(retname) + rr->len - 5) >= 254) {
+ len = rr->len - 5;
+ if (retnamlen + len >= 254) {
truncate = 1;
break;
}
- strncat(retname, rr->u.NM.name, rr->len - 5);
- retnamlen += rr->len - 5;
+ p = memchr(rr->u.NM.name, '\0', len);
+ if (unlikely(p))
+ len = p - rr->u.NM.name;
+ memcpy(retname + retnamlen, rr->u.NM.name, len);
+ retnamlen += len;
+ retname[retnamlen] = '\0';
break;
case SIG('R', 'E'):
kfree(rs.buffer);
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 644f95e7208f..85733dd95e14 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1407,11 +1407,12 @@ out:
/**
* jbd2_mark_journal_empty() - Mark on disk journal as empty.
* @journal: The journal to update.
+ * @write_op: With which operation should we write the journal sb
*
* Update a journal's dynamic superblock fields to show that journal is empty.
* Write updated superblock to disk waiting for IO to complete.
*/
-static void jbd2_mark_journal_empty(journal_t *journal)
+static void jbd2_mark_journal_empty(journal_t *journal, int write_op)
{
journal_superblock_t *sb = journal->j_superblock;
@@ -1429,7 +1430,7 @@ static void jbd2_mark_journal_empty(journal_t *journal)
sb->s_start = cpu_to_be32(0);
read_unlock(&journal->j_state_lock);
- jbd2_write_superblock(journal, WRITE_FUA);
+ jbd2_write_superblock(journal, write_op);
/* Log is no longer empty */
write_lock(&journal->j_state_lock);
@@ -1697,7 +1698,13 @@ int jbd2_journal_destroy(journal_t *journal)
if (journal->j_sb_buffer) {
if (!is_journal_aborted(journal)) {
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+
+ write_lock(&journal->j_state_lock);
+ journal->j_tail_sequence =
+ ++journal->j_transaction_sequence;
+ write_unlock(&journal->j_state_lock);
+
+ jbd2_mark_journal_empty(journal, WRITE_FLUSH_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
} else
err = -EIO;
@@ -1952,7 +1959,7 @@ int jbd2_journal_flush(journal_t *journal)
* the magic code for a fully-recovered superblock. Any future
* commits of data to the journal will restore the current
* s_start value. */
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
write_lock(&journal->j_state_lock);
J_ASSERT(!journal->j_running_transaction);
@@ -1998,7 +2005,7 @@ int jbd2_journal_wipe(journal_t *journal, int write)
if (write) {
/* Lock to make assertions happy... */
mutex_lock(&journal->j_checkpoint_mutex);
- jbd2_mark_journal_empty(journal);
+ jbd2_mark_journal_empty(journal, WRITE_FUA);
mutex_unlock(&journal->j_checkpoint_mutex);
}
diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c
index 29a886d1e82c..f65bdcf61526 100644
--- a/fs/ocfs2/dlm/dlmconvert.c
+++ b/fs/ocfs2/dlm/dlmconvert.c
@@ -265,6 +265,7 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
struct dlm_lock *lock, int flags, int type)
{
enum dlm_status status;
+ u8 old_owner = res->owner;
mlog(0, "type=%d, convert_type=%d, busy=%d\n", lock->ml.type,
lock->ml.convert_type, res->state & DLM_LOCK_RES_IN_PROGRESS);
@@ -290,6 +291,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
status = DLM_DENIED;
goto bail;
}
+
+ if (lock->ml.type == type && lock->ml.convert_type == LKM_IVMODE) {
+ mlog(0, "last convert request returned DLM_RECOVERING, but "
+ "owner has already queued and sent ast to me. res %.*s, "
+ "(cookie=%u:%llu, type=%d, conv=%d)\n",
+ res->lockname.len, res->lockname.name,
+ dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
+ dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
+ lock->ml.type, lock->ml.convert_type);
+ status = DLM_NORMAL;
+ goto bail;
+ }
+
res->state |= DLM_LOCK_RES_IN_PROGRESS;
/* move lock to local convert queue */
/* do not alter lock refcount. switching lists. */
@@ -319,11 +333,19 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm,
spin_lock(&res->spinlock);
res->state &= ~DLM_LOCK_RES_IN_PROGRESS;
lock->convert_pending = 0;
- /* if it failed, move it back to granted queue */
+ /* if it failed, move it back to granted queue.
+ * if master returns DLM_NORMAL and then down before sending ast,
+ * it may have already been moved to granted queue, reset to
+ * DLM_RECOVERING and retry convert */
if (status != DLM_NORMAL) {
if (status != DLM_NOTQUEUED)
dlm_error(status);
dlm_revert_pending_convert(res, lock);
+ } else if ((res->state & DLM_LOCK_RES_RECOVERING) ||
+ (old_owner != res->owner)) {
+ mlog(0, "res %.*s is in recovering or has been recovered.\n",
+ res->lockname.len, res->lockname.name);
+ status = DLM_RECOVERING;
}
bail:
spin_unlock(&res->spinlock);
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 01c69f24e416..33e9d705ee8f 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2034,7 +2034,6 @@ void dlm_move_lockres_to_recovery_list(struct dlm_ctxt *dlm,
dlm_lock_get(lock);
if (lock->convert_pending) {
/* move converting lock back to granted */
- BUG_ON(i != DLM_CONVERTING_LIST);
mlog(0, "node died with convert pending "
"on %.*s. move back to granted list.\n",
res->lockname.len, res->lockname.name);
diff --git a/fs/pipe.c b/fs/pipe.c
index 3e7ab278bb0c..50267e6ba688 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -401,6 +401,7 @@ pipe_read(struct kiocb *iocb, const struct iovec *_iov,
void *addr;
size_t chars = buf->len, remaining;
int error, atomic;
+ int offset;
if (chars > total_len)
chars = total_len;
@@ -414,9 +415,10 @@ pipe_read(struct kiocb *iocb, const struct iovec *_iov,
atomic = !iov_fault_in_pages_write(iov, chars);
remaining = chars;
+ offset = buf->offset;
redo:
addr = ops->map(pipe, buf, atomic);
- error = pipe_iov_copy_to_user(iov, addr, &buf->offset,
+ error = pipe_iov_copy_to_user(iov, addr, &offset,
&remaining, atomic);
ops->unmap(pipe, buf, addr);
if (unlikely(error)) {
@@ -432,6 +434,7 @@ redo:
break;
}
ret += chars;
+ buf->offset += chars;
buf->len -= chars;
/* Was it a packet buffer? Clean up and exit */
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 7b5d453ebf53..e5160b744d0b 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -844,7 +844,8 @@ static ssize_t environ_read(struct file *file, char __user *buf,
int ret = 0;
struct mm_struct *mm = file->private_data;
- if (!mm)
+ /* Ensure the process spawned far enough to have an environment. */
+ if (!mm || !mm->env_end)
return 0;
page = (char *)__get_free_page(GFP_TEMPORARY);
diff --git a/fs/splice.c b/fs/splice.c
index 3b94a6bba29f..2ffa7b0c62fd 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -189,6 +189,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe,
unsigned int spd_pages = spd->nr_pages;
int ret, do_wakeup, page_nr;
+ if (!spd_pages)
+ return 0;
+
ret = 0;
do_wakeup = 0;
page_nr = 0;
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 02ae99e8e6d3..953cd12175c4 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -100,10 +100,116 @@
#define __maybe_unused __attribute__((unused))
#define __always_unused __attribute__((unused))
-#define __gcc_header(x) #x
-#define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
-#define gcc_header(x) _gcc_header(x)
-#include gcc_header(__GNUC__)
+/* gcc version specific checks */
+
+#if GCC_VERSION < 30200
+# error Sorry, your compiler is too old - please upgrade it.
+#endif
+
+#if GCC_VERSION < 30300
+# define __used __attribute__((__unused__))
+#else
+# define __used __attribute__((__used__))
+#endif
+
+#ifdef CONFIG_GCOV_KERNEL
+# if GCC_VERSION < 30400
+# error "GCOV profiling support for gcc versions below 3.4 not included"
+# endif /* __GNUC_MINOR__ */
+#endif /* CONFIG_GCOV_KERNEL */
+
+#if GCC_VERSION >= 30400
+#define __must_check __attribute__((warn_unused_result))
+#endif
+
+#if GCC_VERSION >= 40000
+
+/* GCC 4.1.[01] miscompiles __weak */
+#ifdef __KERNEL__
+# if GCC_VERSION >= 40100 && GCC_VERSION <= 40101
+# error Your version of gcc miscompiles the __weak directive
+# endif
+#endif
+
+#define __used __attribute__((__used__))
+#define __compiler_offsetof(a, b) \
+ __builtin_offsetof(a, b)
+
+#if GCC_VERSION >= 40100 && GCC_VERSION < 40600
+# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
+#endif
+
+#if GCC_VERSION >= 40300
+/* Mark functions as cold. gcc will assume any path leading to a call
+ * to them will be unlikely. This means a lot of manual unlikely()s
+ * are unnecessary now for any paths leading to the usual suspects
+ * like BUG(), printk(), panic() etc. [but let's keep them for now for
+ * older compilers]
+ *
+ * Early snapshots of gcc 4.3 don't support this and we can't detect this
+ * in the preprocessor, but we can live with this because they're unreleased.
+ * Maketime probing would be overkill here.
+ *
+ * gcc also has a __attribute__((__hot__)) to move hot functions into
+ * a special section, but I don't see any sense in this right now in
+ * the kernel context
+ */
+#define __cold __attribute__((__cold__))
+
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
+
+#ifndef __CHECKER__
+# define __compiletime_warning(message) __attribute__((warning(message)))
+# define __compiletime_error(message) __attribute__((error(message)))
+#endif /* __CHECKER__ */
+#endif /* GCC_VERSION >= 40300 */
+
+#if GCC_VERSION >= 40500
+/*
+ * Mark a position in code as unreachable. This can be used to
+ * suppress control flow warnings after asm blocks that transfer
+ * control elsewhere.
+ *
+ * Early snapshots of gcc 4.5 don't support this and we can't detect
+ * this in the preprocessor, but we can live with this because they're
+ * unreleased. Really, we need to have autoconf for the kernel.
+ */
+#define unreachable() __builtin_unreachable()
+
+/* Mark a function definition as prohibited from being cloned. */
+#define __noclone __attribute__((__noclone__, __optimize__("no-tracer")))
+
+#endif /* GCC_VERSION >= 40500 */
+
+#if GCC_VERSION >= 40600
+/*
+ * Tell the optimizer that something else uses this function or variable.
+ */
+#define __visible __attribute__((externally_visible))
+#endif
+
+/*
+ * GCC 'asm goto' miscompiles certain code sequences:
+ *
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
+ *
+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
+ *
+ * (asm goto is automatically volatile - the naming reflects this.)
+ */
+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
+
+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
+#if GCC_VERSION >= 40400
+#define __HAVE_BUILTIN_BSWAP32__
+#define __HAVE_BUILTIN_BSWAP64__
+#endif
+#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)
+#define __HAVE_BUILTIN_BSWAP16__
+#endif
+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
+
+#endif /* gcc version >= 40000 specific checks */
#if !defined(__noclone)
#define __noclone /* not needed */
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
deleted file mode 100644
index 7d89febe4d79..000000000000
--- a/include/linux/compiler-gcc3.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef __LINUX_COMPILER_H
-#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
-#endif
-
-#if GCC_VERSION < 30200
-# error Sorry, your compiler is too old - please upgrade it.
-#endif
-
-#if GCC_VERSION >= 30300
-# define __used __attribute__((__used__))
-#else
-# define __used __attribute__((__unused__))
-#endif
-
-#if GCC_VERSION >= 30400
-#define __must_check __attribute__((warn_unused_result))
-#endif
-
-#ifdef CONFIG_GCOV_KERNEL
-# if GCC_VERSION < 30400
-# error "GCOV profiling support for gcc versions below 3.4 not included"
-# endif /* __GNUC_MINOR__ */
-#endif /* CONFIG_GCOV_KERNEL */
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
deleted file mode 100644
index 2507fd2a1eb4..000000000000
--- a/include/linux/compiler-gcc4.h
+++ /dev/null
@@ -1,88 +0,0 @@
-#ifndef __LINUX_COMPILER_H
-#error "Please don't include <linux/compiler-gcc4.h> directly, include <linux/compiler.h> instead."
-#endif
-
-/* GCC 4.1.[01] miscompiles __weak */
-#ifdef __KERNEL__
-# if GCC_VERSION >= 40100 && GCC_VERSION <= 40101
-# error Your version of gcc miscompiles the __weak directive
-# endif
-#endif
-
-#define __used __attribute__((__used__))
-#define __must_check __attribute__((warn_unused_result))
-#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
-
-#if GCC_VERSION >= 40100 && GCC_VERSION < 40600
-# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
-#endif
-
-#if GCC_VERSION >= 40300
-/* Mark functions as cold. gcc will assume any path leading to a call
- to them will be unlikely. This means a lot of manual unlikely()s
- are unnecessary now for any paths leading to the usual suspects
- like BUG(), printk(), panic() etc. [but let's keep them for now for
- older compilers]
-
- Early snapshots of gcc 4.3 don't support this and we can't detect this
- in the preprocessor, but we can live with this because they're unreleased.
- Maketime probing would be overkill here.
-
- gcc also has a __attribute__((__hot__)) to move hot functions into
- a special section, but I don't see any sense in this right now in
- the kernel context */
-#define __cold __attribute__((__cold__))
-
-#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
-
-#ifndef __CHECKER__
-# define __compiletime_warning(message) __attribute__((warning(message)))
-# define __compiletime_error(message) __attribute__((error(message)))
-#endif /* __CHECKER__ */
-#endif /* GCC_VERSION >= 40300 */
-
-#if GCC_VERSION >= 40500
-/*
- * Mark a position in code as unreachable. This can be used to
- * suppress control flow warnings after asm blocks that transfer
- * control elsewhere.
- *
- * Early snapshots of gcc 4.5 don't support this and we can't detect
- * this in the preprocessor, but we can live with this because they're
- * unreleased. Really, we need to have autoconf for the kernel.
- */
-#define unreachable() __builtin_unreachable()
-
-/* Mark a function definition as prohibited from being cloned. */
-#define __noclone __attribute__((__noclone__))
-
-#endif /* GCC_VERSION >= 40500 */
-
-#if GCC_VERSION >= 40600
-/*
- * Tell the optimizer that something else uses this function or variable.
- */
-#define __visible __attribute__((externally_visible))
-#endif
-
-/*
- * GCC 'asm goto' miscompiles certain code sequences:
- *
- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
- *
- * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
- * Fixed in GCC 4.8.2 and later versions.
- *
- * (asm goto is automatically volatile - the naming reflects this.)
- */
-#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
-
-#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
-#if GCC_VERSION >= 40400
-#define __HAVE_BUILTIN_BSWAP32__
-#define __HAVE_BUILTIN_BSWAP64__
-#endif
-#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)
-#define __HAVE_BUILTIN_BSWAP16__
-#endif
-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h
deleted file mode 100644
index cdd1cc202d51..000000000000
--- a/include/linux/compiler-gcc5.h
+++ /dev/null
@@ -1,66 +0,0 @@
-#ifndef __LINUX_COMPILER_H
-#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
-#endif
-
-#define __used __attribute__((__used__))
-#define __must_check __attribute__((warn_unused_result))
-#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
-
-/* Mark functions as cold. gcc will assume any path leading to a call
- to them will be unlikely. This means a lot of manual unlikely()s
- are unnecessary now for any paths leading to the usual suspects
- like BUG(), printk(), panic() etc. [but let's keep them for now for
- older compilers]
-
- Early snapshots of gcc 4.3 don't support this and we can't detect this
- in the preprocessor, but we can live with this because they're unreleased.
- Maketime probing would be overkill here.
-
- gcc also has a __attribute__((__hot__)) to move hot functions into
- a special section, but I don't see any sense in this right now in
- the kernel context */
-#define __cold __attribute__((__cold__))
-
-#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
-
-#ifndef __CHECKER__
-# define __compiletime_warning(message) __attribute__((warning(message)))
-# define __compiletime_error(message) __attribute__((error(message)))
-#endif /* __CHECKER__ */
-
-/*
- * Mark a position in code as unreachable. This can be used to
- * suppress control flow warnings after asm blocks that transfer
- * control elsewhere.
- *
- * Early snapshots of gcc 4.5 don't support this and we can't detect
- * this in the preprocessor, but we can live with this because they're
- * unreleased. Really, we need to have autoconf for the kernel.
- */
-#define unreachable() __builtin_unreachable()
-
-/* Mark a function definition as prohibited from being cloned. */
-#define __noclone __attribute__((__noclone__))
-
-/*
- * Tell the optimizer that something else uses this function or variable.
- */
-#define __visible __attribute__((externally_visible))
-
-/*
- * GCC 'asm goto' miscompiles certain code sequences:
- *
- * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
- *
- * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
- * Fixed in GCC 4.8.2 and later versions.
- *
- * (asm goto is automatically volatile - the naming reflects this.)
- */
-#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
-
-#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
-#define __HAVE_BUILTIN_BSWAP32__
-#define __HAVE_BUILTIN_BSWAP64__
-#define __HAVE_BUILTIN_BSWAP16__
-#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 341551c7b4c8..5f4554b8348a 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -557,7 +557,7 @@ do { \
#define do_trace_printk(fmt, args...) \
do { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
@@ -604,7 +604,7 @@ extern int __trace_puts(unsigned long ip, const char *str, int size);
*/
#define trace_puts(str) ({ \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(str) ? str : NULL; \
\
@@ -624,7 +624,7 @@ extern void trace_dump_stack(int skip);
#define ftrace_vprintk(fmt, vargs) \
do { \
if (__builtin_constant_p(fmt)) { \
- static const char *trace_printk_fmt \
+ static const char *trace_printk_fmt __used \
__attribute__((section("__trace_printk_fmt"))) = \
__builtin_constant_p(fmt) ? fmt : NULL; \
\
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index b3bd7e737e8b..d31364857aa8 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -397,6 +397,7 @@ struct virtio_device_id {
/*
* For Hyper-V devices we use the device guid as the id.
*/
+#define vmbus_device_id hv_vmbus_device_id
struct hv_vmbus_device_id {
__u8 guid[16];
kernel_ulong_t driver_data; /* Data private to the driver */
@@ -547,6 +548,11 @@ struct amba_id {
* See documentation of "x86_match_cpu" for details.
*/
+/*
+ * MODULE_DEVICE_TABLE expects this struct to be called x86cpu_device_id.
+ * Although gcc seems to ignore this error, clang fails without this define.
+ */
+#define x86cpu_device_id x86_cpu_id
struct x86_cpu_id {
__u16 vendor;
__u16 family;
@@ -574,6 +580,7 @@ struct ipack_device_id {
#define MEI_CL_MODULE_PREFIX "mei:"
#define MEI_CL_NAME_SIZE 32
+#define mei_device_id mei_cl_device_id
struct mei_cl_device_id {
char name[MEI_CL_NAME_SIZE];
kernel_ulong_t driver_info;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 102136ab1a5f..655ef37fd139 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -330,6 +330,7 @@ struct pci_dev {
unsigned int __aer_firmware_first:1;
unsigned int broken_intx_masking:1;
unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
+ unsigned int non_compliant_bars:1; /* broken BARs; ignore them */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
diff --git a/include/linux/poison.h b/include/linux/poison.h
index 2110a81c5e2a..253c9b4198ef 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -19,8 +19,8 @@
* under normal circumstances, used to verify that nobody uses
* non-initialized list entries.
*/
-#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
-#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)
+#define LIST_POISON1 ((void *) 0x100 + POISON_POINTER_DELTA)
+#define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA)
/********** include/linux/timer.h **********/
/*
diff --git a/include/uapi/linux/const.h b/include/uapi/linux/const.h
index c22c707c455d..c872bfd25e13 100644
--- a/include/uapi/linux/const.h
+++ b/include/uapi/linux/const.h
@@ -21,4 +21,7 @@
#define _AT(T,X) ((T)(X))
#endif
+#define _BITUL(x) (_AC(1,UL) << (x))
+#define _BITULL(x) (_AC(1,ULL) << (x))
+
#endif /* !(_LINUX_CONST_H) */
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f234c84d36c8..655d6110a6e1 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5217,6 +5217,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
case CPU_UP_PREPARE:
rq->calc_load_update = calc_load_update;
+ account_reset_rq(rq);
break;
case CPU_ONLINE:
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index dfa31d533e3f..e7f4d554fa5d 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1378,3 +1378,16 @@ static inline u64 irq_time_read(int cpu)
}
#endif /* CONFIG_64BIT */
#endif /* CONFIG_IRQ_TIME_ACCOUNTING */
+
+static inline void account_reset_rq(struct rq *rq)
+{
+#ifdef CONFIG_IRQ_TIME_ACCOUNTING
+ rq->prev_irq_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT
+ rq->prev_steal_time = 0;
+#endif
+#ifdef CONFIG_PARAVIRT_TIME_ACCOUNTING
+ rq->prev_steal_time_rq = 0;
+#endif
+}
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index cb73c4e0741e..c4ce3a951a1c 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -463,7 +463,7 @@ struct ring_buffer_per_cpu {
raw_spinlock_t reader_lock; /* serialize readers */
arch_spinlock_t lock;
struct lock_class_key lock_key;
- unsigned int nr_pages;
+ unsigned long nr_pages;
struct list_head *pages;
struct buffer_page *head_page; /* read from head */
struct buffer_page *tail_page; /* write to tail */
@@ -483,7 +483,7 @@ struct ring_buffer_per_cpu {
u64 write_stamp;
u64 read_stamp;
/* ring buffer pages to update, > 0 to add, < 0 to remove */
- int nr_pages_to_update;
+ long nr_pages_to_update;
struct list_head new_pages; /* new pages to add */
struct work_struct update_pages_work;
struct completion update_done;
@@ -1120,10 +1120,10 @@ static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer)
return 0;
}
-static int __rb_allocate_pages(int nr_pages, struct list_head *pages, int cpu)
+static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu)
{
- int i;
struct buffer_page *bpage, *tmp;
+ long i;
for (i = 0; i < nr_pages; i++) {
struct page *page;
@@ -1160,7 +1160,7 @@ free_pages:
}
static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
- unsigned nr_pages)
+ unsigned long nr_pages)
{
LIST_HEAD(pages);
@@ -1185,7 +1185,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
}
static struct ring_buffer_per_cpu *
-rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu)
+rb_allocate_cpu_buffer(struct ring_buffer *buffer, long nr_pages, int cpu)
{
struct ring_buffer_per_cpu *cpu_buffer;
struct buffer_page *bpage;
@@ -1284,8 +1284,9 @@ struct ring_buffer *__ring_buffer_alloc(unsigned long size, unsigned flags,
struct lock_class_key *key)
{
struct ring_buffer *buffer;
+ long nr_pages;
int bsize;
- int cpu, nr_pages;
+ int cpu;
/* keep it in its own cache line */
buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()),
@@ -1408,12 +1409,12 @@ static inline unsigned long rb_page_write(struct buffer_page *bpage)
}
static int
-rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
+rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned long nr_pages)
{
struct list_head *tail_page, *to_remove, *next_page;
struct buffer_page *to_remove_page, *tmp_iter_page;
struct buffer_page *last_page, *first_page;
- unsigned int nr_removed;
+ unsigned long nr_removed;
unsigned long head_bit;
int page_entries;
@@ -1629,7 +1630,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
int cpu_id)
{
struct ring_buffer_per_cpu *cpu_buffer;
- unsigned nr_pages;
+ unsigned long nr_pages;
int cpu, err = 0;
/*
@@ -1643,14 +1644,13 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
!cpumask_test_cpu(cpu_id, buffer->cpumask))
return size;
- size = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
- size *= BUF_PAGE_SIZE;
+ nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
/* we need a minimum of two pages */
- if (size < BUF_PAGE_SIZE * 2)
- size = BUF_PAGE_SIZE * 2;
+ if (nr_pages < 2)
+ nr_pages = 2;
- nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+ size = nr_pages * BUF_PAGE_SIZE;
/*
* Don't succeed if resizing is disabled, as a reader might be
@@ -4607,8 +4607,9 @@ static int rb_cpu_notify(struct notifier_block *self,
struct ring_buffer *buffer =
container_of(self, struct ring_buffer, cpu_notify);
long cpu = (long)hcpu;
- int cpu_i, nr_pages_same;
- unsigned int nr_pages;
+ long nr_pages_same;
+ int cpu_i;
+ unsigned long nr_pages;
switch (action) {
case CPU_UP_PREPARE:
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 640e4c44b170..eff26a976f02 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4351,7 +4351,10 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
spd.nr_pages = i;
- ret = splice_to_pipe(pipe, &spd);
+ if (i)
+ ret = splice_to_pipe(pipe, &spd);
+ else
+ ret = 0;
out:
splice_shrink_spd(&spd);
return ret;
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 2aefbee93a6d..56e083e26ca9 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -118,8 +118,12 @@ static int func_prolog_dec(struct trace_array *tr,
return 0;
local_save_flags(*flags);
- /* slight chance to get a false positive on tracing_cpu */
- if (!irqs_disabled_flags(*flags))
+ /*
+ * Slight chance to get a false positive on tracing_cpu,
+ * although I'm starting to think there isn't a chance.
+ * Leave this for now just to be paranoid.
+ */
+ if (!irqs_disabled_flags(*flags) && !preempt_count())
return 0;
*data = per_cpu_ptr(tr->trace_buffer.data, cpu);
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c
index a9077c1b4ad3..fdb23e84b011 100644
--- a/kernel/trace/trace_printk.c
+++ b/kernel/trace/trace_printk.c
@@ -272,6 +272,9 @@ static int t_show(struct seq_file *m, void *v)
const char *str = *fmt;
int i;
+ if (!*fmt)
+ return 0;
+
seq_printf(m, "0x%lx : \"", *(unsigned long *)fmt);
/*
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index fe7c4b91d2e7..66972ac0c6c0 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -606,6 +606,35 @@ static void set_work_pool_and_clear_pending(struct work_struct *work,
*/
smp_wmb();
set_work_data(work, (unsigned long)pool_id << WORK_OFFQ_POOL_SHIFT, 0);
+ /*
+ * The following mb guarantees that previous clear of a PENDING bit
+ * will not be reordered with any speculative LOADS or STORES from
+ * work->current_func, which is executed afterwards. This possible
+ * reordering can lead to a missed execution on attempt to qeueue
+ * the same @work. E.g. consider this case:
+ *
+ * CPU#0 CPU#1
+ * ---------------------------- --------------------------------
+ *
+ * 1 STORE event_indicated
+ * 2 queue_work_on() {
+ * 3 test_and_set_bit(PENDING)
+ * 4 } set_..._and_clear_pending() {
+ * 5 set_work_data() # clear bit
+ * 6 smp_mb()
+ * 7 work->current_func() {
+ * 8 LOAD event_indicated
+ * }
+ *
+ * Without an explicit full barrier speculative LOAD on line 8 can
+ * be executed before CPU#0 does STORE on line 1. If that happens,
+ * CPU#0 observes the PENDING bit is still set and new execution of
+ * a @work is not queued in a hope, that CPU#1 will eventually
+ * finish the queued @work. Meanwhile CPU#1 does not see
+ * event_indicated is set, because speculative LOAD was executed
+ * before actual STORE.
+ */
+ smp_mb();
}
static void clear_work_data(struct work_struct *work)
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 263cfd1ccee7..cf5b76661252 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -353,6 +353,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
if (pending) {
hlist_del(&forw_packet->list);
+ if (!forw_packet->own)
+ atomic_inc(&bat_priv->batman_queue_left);
+
batadv_forw_packet_free(forw_packet);
}
}
@@ -379,6 +382,9 @@ batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
if (pending) {
hlist_del(&forw_packet->list);
+ if (!forw_packet->own)
+ atomic_inc(&bat_priv->bcast_queue_left);
+
batadv_forw_packet_free(forw_packet);
}
}
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index b73eaba85667..a882db499d33 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -21,18 +21,19 @@
#include <asm/uaccess.h>
#include "br_private.h"
-/* called with RTNL */
static int get_bridge_ifindices(struct net *net, int *indices, int num)
{
struct net_device *dev;
int i = 0;
- for_each_netdev(net, dev) {
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev) {
if (i >= num)
break;
if (dev->priv_flags & IFF_EBRIDGE)
indices[i++] = dev->ifindex;
}
+ rcu_read_unlock();
return i;
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a67310e00b3f..602c6d0492e2 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -899,14 +899,16 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
goto nla_put_failure;
if (1) {
- struct rtnl_link_ifmap map = {
- .mem_start = dev->mem_start,
- .mem_end = dev->mem_end,
- .base_addr = dev->base_addr,
- .irq = dev->irq,
- .dma = dev->dma,
- .port = dev->if_port,
- };
+ struct rtnl_link_ifmap map;
+
+ memset(&map, 0, sizeof(map));
+ map.mem_start = dev->mem_start;
+ map.mem_end = dev->mem_end;
+ map.base_addr = dev->base_addr;
+ map.irq = dev->irq;
+ map.dma = dev->dma;
+ map.port = dev->if_port;
+
if (nla_put(skb, IFLA_MAP, sizeof(map), &map))
goto nla_put_failure;
}
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index fe32388ea24f..b9610051f3b2 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1030,10 +1030,13 @@ source_ok:
if (!fld.daddr) {
fld.daddr = fld.saddr;
- err = -EADDRNOTAVAIL;
if (dev_out)
dev_put(dev_out);
+ err = -EINVAL;
dev_out = init_net.loopback_dev;
+ if (!dev_out->dn_ptr)
+ goto out;
+ err = -EADDRNOTAVAIL;
dev_hold(dev_out);
if (!fld.daddr) {
fld.daddr =
@@ -1106,6 +1109,8 @@ source_ok:
if (dev_out == NULL)
goto out;
dn_db = rcu_dereference_raw(dev_out->dn_ptr);
+ if (!dn_db)
+ goto e_inval;
/* Possible improvement - check all devices for local addr */
if (dn_dev_islocal(dev_out, fld.daddr)) {
dev_put(dev_out);
@@ -1147,6 +1152,8 @@ select_source:
dev_put(dev_out);
dev_out = init_net.loopback_dev;
dev_hold(dev_out);
+ if (!dev_out->dn_ptr)
+ goto e_inval;
fld.flowidn_oif = dev_out->ifindex;
if (res.fi)
dn_fib_info_put(res.fi);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 222e1b6141d3..624ca8ed350c 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1876,6 +1876,18 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
*/
if (fi && res->prefixlen < 4)
fi = NULL;
+ } else if ((type == RTN_LOCAL) && (orig_oif != 0) &&
+ (orig_oif != dev_out->ifindex)) {
+ /* For local routes that require a particular output interface
+ * we do not want to cache the result. Caching the result
+ * causes incorrect behaviour when there are multiple source
+ * addresses on the interface, the end result being that if the
+ * intended recipient is waiting on that interface for the
+ * packet he won't receive it because it will be delivered on
+ * the loopback interface and the IP_PKTINFO ipi_ifindex will
+ * be set to the loopback interface as well.
+ */
+ fi = NULL;
}
fnhe = NULL;
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 51af9d0d019a..f66c1b629582 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -257,7 +257,11 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
*fragoff = _frag_off;
return hp->nexthdr;
}
- return -ENOENT;
+ if (!found)
+ return -ENOENT;
+ if (fragoff)
+ *fragoff = _frag_off;
+ break;
}
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH) {
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 14f46af17704..31bab1ab007c 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -266,12 +266,12 @@ static int ip6_tnl_create2(struct net_device *dev)
t = netdev_priv(dev);
+ dev->rtnl_link_ops = &ip6_link_ops;
err = register_netdevice(dev);
if (err < 0)
goto out;
strcpy(t->parms.name, dev->name);
- dev->rtnl_link_ops = &ip6_link_ops;
dev_hold(dev);
ip6_tnl_link(ip6n, t);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 7e3901893413..3046d0244393 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -839,11 +839,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
int ret = udpv6_queue_rcv_skb(sk, skb);
sock_put(sk);
- /* a return value > 0 means to resubmit the input, but
- * it wants the return to be -protocol, or 0
- */
+ /* a return value > 0 means to resubmit the input */
if (ret > 0)
- return -ret;
+ return ret;
return 0;
}
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index da1a1cee1a08..07f8b97f9ae9 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -123,12 +123,11 @@ static int l2tp_ip_recv(struct sk_buff *skb)
struct l2tp_tunnel *tunnel = NULL;
int length;
- /* Point to L2TP header */
- optr = ptr = skb->data;
-
if (!pskb_may_pull(skb, 4))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
ptr += 4;
@@ -156,6 +155,9 @@ static int l2tp_ip_recv(struct sk_buff *skb)
if (!pskb_may_pull(skb, length))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
+ ptr += 4;
pr_debug("%s: ip recv\n", tunnel->name);
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
}
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index e6e8408c9e36..db96af978da5 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -135,12 +135,11 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
struct l2tp_tunnel *tunnel = NULL;
int length;
- /* Point to L2TP header */
- optr = ptr = skb->data;
-
if (!pskb_may_pull(skb, 4))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
ptr += 4;
@@ -168,6 +167,9 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
if (!pskb_may_pull(skb, length))
goto discard;
+ /* Point to L2TP header */
+ optr = ptr = skb->data;
+ ptr += 4;
pr_debug("%s: ip recv\n", tunnel->name);
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length);
}
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index c3ee80547066..9d140594082c 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -626,6 +626,7 @@ static void llc_cmsg_rcv(struct msghdr *msg, struct sk_buff *skb)
if (llc->cmsg_flags & LLC_CMSG_PKTINFO) {
struct llc_pktinfo info;
+ memset(&info, 0, sizeof(info));
info.lpi_ifindex = llc_sk(skb->sk)->dev->ifindex;
llc_pdu_decode_dsap(skb, &info.lpi_sap);
llc_pdu_decode_da(skb, info.lpi_mac);
diff --git a/net/netfilter/ipvs/ip_vs_pe_sip.c b/net/netfilter/ipvs/ip_vs_pe_sip.c
index bed5f7042529..bb318e4623a3 100644
--- a/net/netfilter/ipvs/ip_vs_pe_sip.c
+++ b/net/netfilter/ipvs/ip_vs_pe_sip.c
@@ -88,7 +88,7 @@ ip_vs_sip_fill_param(struct ip_vs_conn_param *p, struct sk_buff *skb)
dptr = skb->data + dataoff;
datalen = skb->len - dataoff;
- if (get_callid(dptr, dataoff, datalen, &matchoff, &matchlen))
+ if (get_callid(dptr, 0, datalen, &matchoff, &matchlen))
return -EINVAL;
/* N.B: pe_data is only set on success,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 39fa33969b09..2d454a235e84 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2997,6 +2997,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
i->ifindex = mreq->mr_ifindex;
i->alen = mreq->mr_alen;
memcpy(i->addr, mreq->mr_address, i->alen);
+ memset(i->addr + i->alen, 0, sizeof(i->addr) - i->alen);
i->count = 1;
i->next = po->mclist;
po->mclist = i;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bee032a7003f..10d3e2874dd1 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -520,6 +520,8 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1,
}
return 0;
}
+ if (addr1->v6.sin6_port != addr2->v6.sin6_port)
+ return 0;
if (!ipv6_addr_equal(&addr1->v6.sin6_addr, &addr2->v6.sin6_addr))
return 0;
/* If this is a linklocal address, compare the scope_id. */
diff --git a/net/socket.c b/net/socket.c
index 53b6e411f7a4..e91e8ed1b8df 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2381,31 +2381,31 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
break;
}
-out_put:
- fput_light(sock->file, fput_needed);
-
if (err == 0)
- return datagrams;
+ goto out_put;
- if (datagrams != 0) {
+ if (datagrams == 0) {
+ datagrams = err;
+ goto out_put;
+ }
+
+ /*
+ * We may return less entries than requested (vlen) if the
+ * sock is non block and there aren't enough datagrams...
+ */
+ if (err != -EAGAIN) {
/*
- * We may return less entries than requested (vlen) if the
- * sock is non block and there aren't enough datagrams...
+ * ... or if recvmsg returns an error after we
+ * received some datagrams, where we record the
+ * error to return on the next call or if the
+ * app asks about it using getsockopt(SO_ERROR).
*/
- if (err != -EAGAIN) {
- /*
- * ... or if recvmsg returns an error after we
- * received some datagrams, where we record the
- * error to return on the next call or if the
- * app asks about it using getsockopt(SO_ERROR).
- */
- sock->sk->sk_err = -err;
- }
-
- return datagrams;
+ sock->sk->sk_err = -err;
}
+out_put:
+ fput_light(sock->file, fput_needed);
- return err;
+ return datagrams;
}
SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 9b88693bcc99..66a9bf52fac6 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1804,27 +1804,8 @@ vsock_stream_recvmsg(struct kiocb *kiocb,
else if (sk->sk_shutdown & RCV_SHUTDOWN)
err = 0;
- if (copied > 0) {
- /* We only do these additional bookkeeping/notification steps
- * if we actually copied something out of the queue pair
- * instead of just peeking ahead.
- */
-
- if (!(flags & MSG_PEEK)) {
- /* If the other side has shutdown for sending and there
- * is nothing more to read, then modify the socket
- * state.
- */
- if (vsk->peer_shutdown & SEND_SHUTDOWN) {
- if (vsock_stream_has_data(vsk) <= 0) {
- sk->sk_state = SS_UNCONNECTED;
- sock_set_flag(sk, SOCK_DONE);
- sk->sk_state_change(sk);
- }
- }
- }
+ if (copied > 0)
err = copied;
- }
out_wait:
finish_wait(sk_sleep(sk), &wait);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 90a0e552cb32..dd3dbed89c8f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10685,7 +10685,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
struct wireless_dev *wdev;
struct cfg80211_beacon_registration *reg, *tmp;
- if (state != NETLINK_URELEASE)
+ if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
return NOTIFY_DONE;
rcu_read_lock();
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 66c638730c7a..de7552d8ee20 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -271,6 +271,7 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk,
memset(&theirs, 0, sizeof(theirs));
memcpy(new, ours, sizeof(*new));
+ memset(dte, 0, sizeof(*dte));
len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask);
if (len < 0)
diff --git a/scripts/coccinelle/iterators/use_after_iter.cocci b/scripts/coccinelle/iterators/use_after_iter.cocci
index 06284c57a951..93e37ff8b0f6 100644
--- a/scripts/coccinelle/iterators/use_after_iter.cocci
+++ b/scripts/coccinelle/iterators/use_after_iter.cocci
@@ -123,7 +123,7 @@ list_remove_head(x,c,...)
|
sizeof(<+...c...+>)
|
-&c->member
+ &c->member
|
c = E
|
diff --git a/sound/core/timer.c b/sound/core/timer.c
index d90d8f4b85fe..38742e826900 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -1012,8 +1012,8 @@ static int snd_timer_s_start(struct snd_timer * timer)
njiff += timer->sticks - priv->correction;
priv->correction = 0;
}
- priv->last_expires = priv->tlist.expires = njiff;
- add_timer(&priv->tlist);
+ priv->last_expires = njiff;
+ mod_timer(&priv->tlist, njiff);
return 0;
}
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index b8fe40531b9c..7022450fb6dd 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2885,6 +2885,7 @@ static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
static struct snd_pci_quirk intel8x0_clock_list[] = {
SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
+ SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
diff --git a/sound/soc/samsung/s3c-i2s-v2.c b/sound/soc/samsung/s3c-i2s-v2.c
index 20e98d1dded2..38c36cdd8c77 100644
--- a/sound/soc/samsung/s3c-i2s-v2.c
+++ b/sound/soc/samsung/s3c-i2s-v2.c
@@ -732,7 +732,7 @@ static int s3c2412_i2s_resume(struct snd_soc_dai *dai)
#endif
int s3c_i2sv2_register_component(struct device *dev, int id,
- struct snd_soc_component_driver *cmp_drv,
+ const struct snd_soc_component_driver *cmp_drv,
struct snd_soc_dai_driver *dai_drv)
{
struct snd_soc_dai_ops *ops = drv->ops;
diff --git a/sound/soc/samsung/s3c-i2s-v2.h b/sound/soc/samsung/s3c-i2s-v2.h
index 90abab364b49..d0684145ed1f 100644
--- a/sound/soc/samsung/s3c-i2s-v2.h
+++ b/sound/soc/samsung/s3c-i2s-v2.h
@@ -101,7 +101,7 @@ extern int s3c_i2sv2_probe(struct snd_soc_dai *dai,
* soc core.
*/
extern int s3c_i2sv2_register_component(struct device *dev, int id,
- struct snd_soc_component_driver *cmp_drv,
+ const struct snd_soc_component_driver *cmp_drv,
struct snd_soc_dai_driver *dai_drv);
#endif /* __SND_SOC_S3C24XX_S3C_I2SV2_I2S_H */
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 2fe87fb558f0..8c9604797e87 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -50,6 +50,14 @@ OPTIONS
--scale::
scale/normalize counter values
+-d::
+--detailed::
+ print more detailed statistics, can be specified up to 3 times
+
+ -d: detailed events, L1 and LLC data cache
+ -d -d: more detailed events, dTLB and iTLB events
+ -d -d -d: very detailed events, adding prefetch events
+
-r::
--repeat=<n>::
repeat command and print average + stddev (max: 100). 0 means forever.
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 1d4b8bed4e48..4f865e122c21 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -468,6 +468,16 @@ static struct kvm *kvm_create_vm(unsigned long type)
if (!kvm)
return ERR_PTR(-ENOMEM);
+ spin_lock_init(&kvm->mmu_lock);
+ atomic_inc(&current->mm->mm_count);
+ kvm->mm = current->mm;
+ kvm_eventfd_init(kvm);
+ mutex_init(&kvm->lock);
+ mutex_init(&kvm->irq_lock);
+ mutex_init(&kvm->slots_lock);
+ atomic_set(&kvm->users_count, 1);
+ INIT_LIST_HEAD(&kvm->devices);
+
r = kvm_arch_init_vm(kvm, type);
if (r)
goto out_err_nodisable;
@@ -497,16 +507,6 @@ static struct kvm *kvm_create_vm(unsigned long type)
goto out_err;
}
- spin_lock_init(&kvm->mmu_lock);
- kvm->mm = current->mm;
- atomic_inc(&kvm->mm->mm_count);
- kvm_eventfd_init(kvm);
- mutex_init(&kvm->lock);
- mutex_init(&kvm->irq_lock);
- mutex_init(&kvm->slots_lock);
- atomic_set(&kvm->users_count, 1);
- INIT_LIST_HEAD(&kvm->devices);
-
r = kvm_init_mmu_notifier(kvm);
if (r)
goto out_err;
@@ -526,6 +526,7 @@ out_err_nodisable:
kfree(kvm->buses[i]);
kfree(kvm->memslots);
kvm_arch_free_vm(kvm);
+ mmdrop(current->mm);
return ERR_PTR(r);
}
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