diff --git a/Makefile b/Makefile index c63e1836d738..564196d5d89a 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 4 -SUBLEVEL = 112 +SUBLEVEL = 113 EXTRAVERSION = NAME = Saber-toothed Squirrel diff --git a/arch/arm/mach-pxa/include/mach/pxa27x.h b/arch/arm/mach-pxa/include/mach/pxa27x.h index 7cff640582b8..66c4cbfc7f36 100644 --- a/arch/arm/mach-pxa/include/mach/pxa27x.h +++ b/arch/arm/mach-pxa/include/mach/pxa27x.h @@ -21,7 +21,7 @@ extern void __init pxa27x_map_io(void); extern void __init pxa27x_init_irq(void); -extern int __init pxa27x_set_pwrmode(unsigned int mode); +extern int pxa27x_set_pwrmode(unsigned int mode); extern void pxa27x_cpu_pm_enter(suspend_state_t state); #define pxa27x_handle_irq ichp_handle_irq diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index a2fe795bae14..f7c997822cff 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -242,7 +242,7 @@ static struct clk_lookup pxa27x_clkregs[] = { */ static unsigned int pwrmode = PWRMODE_SLEEP; -int __init pxa27x_set_pwrmode(unsigned int mode) +int pxa27x_set_pwrmode(unsigned int mode) { switch (mode) { case PWRMODE_SLEEP: diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index fb489cc56713..74c3e53092e7 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -94,7 +94,7 @@ ENDPROC(cpu_v7_dcache_clean_area) .equ cpu_v7_suspend_size, 4 * 8 #ifdef CONFIG_ARM_CPU_SUSPEND ENTRY(cpu_v7_do_suspend) - stmfd sp!, {r4 - r10, lr} + stmfd sp!, {r4 - r11, lr} mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID stmia r0!, {r4 - r5} @@ -105,7 +105,7 @@ ENTRY(cpu_v7_do_suspend) mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control stmia r0, {r6 - r11} - ldmfd sp!, {r4 - r10, pc} + ldmfd sp!, {r4 - r11, pc} ENDPROC(cpu_v7_do_suspend) ENTRY(cpu_v7_do_resume) diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 3f4c5cb6433e..939a6b76810b 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -679,7 +679,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) * @u: ...unless v is equal to u. * * Atomically adds @a to @v, so long as it was not @u. - * Returns the old value of @v. + * Returns true iff @v was not @u. */ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) { diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 12c1ed33dc18..c6268551b910 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -468,6 +468,55 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, return 1; } +/* + * Check how the syscall number gets loaded into %r20 within + * the delay branch in userspace and adjust as needed. + */ + +static void check_syscallno_in_delay_branch(struct pt_regs *regs) +{ + u32 opcode, source_reg; + u32 __user *uaddr; + int err; + + /* Usually we don't have to restore %r20 (the system call number) + * because it gets loaded in the delay slot of the branch external + * instruction via the ldi instruction. + * In some cases a register-to-register copy instruction might have + * been used instead, in which case we need to copy the syscall + * number into the source register before returning to userspace. + */ + + /* A syscall is just a branch, so all we have to do is fiddle the + * return pointer so that the ble instruction gets executed again. + */ + regs->gr[31] -= 8; /* delayed branching */ + + /* Get assembler opcode of code in delay branch */ + uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4); + err = get_user(opcode, uaddr); + if (err) + return; + + /* Check if delay branch uses "ldi int,%r20" */ + if ((opcode & 0xffff0000) == 0x34140000) + return; /* everything ok, just return */ + + /* Check if delay branch uses "nop" */ + if (opcode == INSN_NOP) + return; + + /* Check if delay branch uses "copy %rX,%r20" */ + if ((opcode & 0xffe0ffff) == 0x08000254) { + source_reg = (opcode >> 16) & 31; + regs->gr[source_reg] = regs->gr[20]; + return; + } + + pr_warn("syscall restart: %s (pid %d): unexpected opcode 0x%08x\n", + current->comm, task_pid_nr(current), opcode); +} + static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) { @@ -489,10 +538,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) } /* fallthrough */ case -ERESTARTNOINTR: - /* A syscall is just a branch, so all - * we have to do is fiddle the return pointer. - */ - regs->gr[31] -= 8; /* delayed branching */ + check_syscallno_in_delay_branch(regs); /* Preserve original r28. */ regs->gr[28] = regs->orig_r28; break; @@ -543,18 +589,9 @@ insert_restart_trampoline(struct pt_regs *regs) } case -ERESTARTNOHAND: case -ERESTARTSYS: - case -ERESTARTNOINTR: { - /* Hooray for delayed branching. We don't - * have to restore %r20 (the system call - * number) because it gets loaded in the delay - * slot of the branch external instruction. - */ - regs->gr[31] -= 8; - /* Preserve original r28. */ - regs->gr[28] = regs->orig_r28; - + case -ERESTARTNOINTR: + check_syscallno_in_delay_branch(regs); return; - } default: break; } diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 40f4eb3766d1..59d0eac26132 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -45,6 +45,9 @@ L3_START_KERNEL = pud_index(__START_KERNEL_map) .globl startup_64 startup_64: + /* Sanitize CPU configuration */ + call verify_cpu + /* * At this point the CPU runs in 64bit mode CS.L = 1 CS.D = 1, * and someone has loaded an identity mapped page table @@ -160,6 +163,9 @@ ENTRY(secondary_startup_64) * after the boot processor executes this code. */ + /* Sanitize CPU configuration */ + call verify_cpu + /* Enable PAE mode and PGE */ movl $(X86_CR4_PAE | X86_CR4_PGE), %eax movq %rax, %cr4 @@ -253,6 +259,8 @@ ENTRY(secondary_startup_64) pushq %rax # target address in negative space lretq +#include "verify_cpu.S" + /* SMP bootup changes these two */ __REFDATA .align 8 diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 115eac431483..b2952cac860f 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -748,12 +748,15 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, return 0; } -#ifdef CONFIG_X86_32 -#define NR_restart_syscall __NR_restart_syscall -#else /* !CONFIG_X86_32 */ -#define NR_restart_syscall \ - test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : __NR_restart_syscall -#endif /* CONFIG_X86_32 */ +static inline unsigned long get_nr_restart_syscall(const struct pt_regs *regs) +{ +#if defined(CONFIG_X86_32) || !defined(CONFIG_X86_64) + return __NR_restart_syscall; +#else /* !CONFIG_X86_32 && CONFIG_X86_64 */ + return test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : + __NR_restart_syscall | (regs->orig_ax & __X32_SYSCALL_BIT); +#endif /* CONFIG_X86_32 || !CONFIG_X86_64 */ +} /* * Note that 'init' is a special process: it doesn't get signals it doesn't @@ -795,7 +798,7 @@ static void do_signal(struct pt_regs *regs) break; case -ERESTART_RESTARTBLOCK: - regs->ax = NR_restart_syscall; + regs->ax = get_nr_restart_syscall(regs); regs->ip -= 2; break; } diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S index b9242bacbe59..4cf401f581e7 100644 --- a/arch/x86/kernel/verify_cpu.S +++ b/arch/x86/kernel/verify_cpu.S @@ -34,10 +34,11 @@ #include verify_cpu: - pushfl # Save caller passed flags - pushl $0 # Kill any dangerous flags - popfl + pushf # Save caller passed flags + push $0 # Kill any dangerous flags + popf +#ifndef __x86_64__ pushfl # standard way to check for cpuid popl %eax movl %eax,%ebx @@ -48,6 +49,7 @@ verify_cpu: popl %eax cmpl %eax,%ebx jz verify_cpu_no_longmode # cpu has no cpuid +#endif movl $0x0,%eax # See if cpuid 1 is implemented cpuid @@ -130,10 +132,10 @@ verify_cpu_sse_test: jmp verify_cpu_sse_test # try again verify_cpu_no_longmode: - popfl # Restore caller passed flags + popf # Restore caller passed flags movl $1,%eax ret verify_cpu_sse_ok: - popfl # Restore caller passed flags + popf # Restore caller passed flags xorl %eax, %eax ret diff --git a/block/partitions/mac.c b/block/partitions/mac.c index 11f688bd76c5..f51c9305d1e1 100644 --- a/block/partitions/mac.c +++ b/block/partitions/mac.c @@ -32,7 +32,7 @@ int mac_partition(struct parsed_partitions *state) Sector sect; unsigned char *data; int slot, blocks_in_map; - unsigned secsize; + unsigned secsize, datasize, partoffset; #ifdef CONFIG_PPC_PMAC int found_root = 0; int found_root_goodness = 0; @@ -50,10 +50,14 @@ int mac_partition(struct parsed_partitions *state) } secsize = be16_to_cpu(md->block_size); put_dev_sector(sect); - data = read_part_sector(state, secsize/512, §); + datasize = round_down(secsize, 512); + data = read_part_sector(state, datasize / 512, §); if (!data) return -1; - part = (struct mac_partition *) (data + secsize%512); + partoffset = secsize % 512; + if (partoffset + sizeof(*part) > datasize) + return -1; + part = (struct mac_partition *) (data + partoffset); if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) { put_dev_sector(sect); return 0; /* not a MacOS disk */ diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index 4a9c499ea78a..1ef14284d09e 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -280,12 +280,12 @@ static int ablkcipher_walk_first(struct ablkcipher_request *req, if (WARN_ON_ONCE(in_irq())) return -EDEADLK; + walk->iv = req->info; walk->nbytes = walk->total; if (unlikely(!walk->total)) return 0; walk->iv_buffer = NULL; - walk->iv = req->info; if (unlikely(((unsigned long)walk->iv & alignmask))) { int err = ablkcipher_copy_iv(walk, tfm, alignmask); if (err) diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 850246206b12..a68b56a368a8 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -192,9 +192,14 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags) struct sock *sk2; struct alg_sock *ask2; struct hash_ctx *ctx2; + bool more; int err; - err = crypto_ahash_export(req, state); + lock_sock(sk); + more = ctx->more; + err = more ? crypto_ahash_export(req, state) : 0; + release_sock(sk); + if (err) return err; @@ -205,7 +210,10 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags) sk2 = newsock->sk; ask2 = alg_sk(sk2); ctx2 = ask2->private; - ctx2->more = 1; + ctx2->more = more; + + if (!more) + return err; err = crypto_ahash_import(&ctx2->req, state); if (err) { diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 0a1ebea3d6fc..34e5d6507e54 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -329,12 +329,12 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc, if (WARN_ON_ONCE(in_irq())) return -EDEADLK; + walk->iv = desc->info; walk->nbytes = walk->total; if (unlikely(!walk->total)) return 0; walk->buffer = NULL; - walk->iv = desc->info; if (unlikely(((unsigned long)walk->iv & alignmask))) { int err = blkcipher_copy_iv(walk, tfm, alignmask); if (err) diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index f48720cf96ff..2788c155cd0d 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -85,6 +85,7 @@ static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; static struct workqueue_struct *kacpi_notify_wq; struct workqueue_struct *kacpi_hotplug_wq; +unsigned int acpi_sci_irq = INVALID_ACPI_IRQ; EXPORT_SYMBOL(kacpi_hotplug_wq); /* @@ -612,17 +613,19 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, acpi_irq_handler = NULL; return AE_NOT_ACQUIRED; } + acpi_sci_irq = irq; return AE_OK; } -acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler) +acpi_status acpi_os_remove_interrupt_handler(u32 gsi, acpi_osd_handler handler) { - if (irq != acpi_gbl_FADT.sci_interrupt) + if (gsi != acpi_gbl_FADT.sci_interrupt || !acpi_sci_irq_valid()) return AE_BAD_PARAMETER; - free_irq(irq, acpi_irq); + free_irq(acpi_sci_irq, acpi_irq); acpi_irq_handler = NULL; + acpi_sci_irq = INVALID_ACPI_IRQ; return AE_OK; } diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 30cdba79d7ae..1f0db2c542e2 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1228,6 +1228,15 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, ata_tf_to_fis(tf, pmp, is_cmd, fis); ahci_fill_cmd_slot(pp, 0, cmd_fis_len | flags | (pmp << 12)); + /* set port value for softreset of Port Multiplier */ + if (pp->fbs_enabled && pp->fbs_last_dev != pmp) { + tmp = readl(port_mmio + PORT_FBS); + tmp &= ~(PORT_FBS_DEV_MASK | PORT_FBS_DEC); + tmp |= pmp << PORT_FBS_DEV_OFFSET; + writel(tmp, port_mmio + PORT_FBS); + pp->fbs_last_dev = pmp; + } + /* issue & wait */ writel(1, port_mmio + PORT_CMD_ISSUE); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 0c4ed89b6aa5..7f0c7f068030 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -631,6 +631,9 @@ static void sil_dev_config(struct ata_device *dev) unsigned int n, quirks = 0; unsigned char model_num[ATA_ID_PROD_LEN + 1]; + /* This controller doesn't support trim */ + dev->horkage |= ATA_HORKAGE_NOTRIM; + ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); for (n = 0; sil_blacklist[n].product; n++) diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 933adc5a2637..47e5b6509682 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -256,8 +256,8 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst, struct blkif_x86_32_request *src) { int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; - dst->operation = src->operation; - switch (src->operation) { + dst->operation = ACCESS_ONCE(src->operation); + switch (dst->operation) { case BLKIF_OP_READ: case BLKIF_OP_WRITE: case BLKIF_OP_WRITE_BARRIER: @@ -292,8 +292,8 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst, struct blkif_x86_64_request *src) { int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST; - dst->operation = src->operation; - switch (src->operation) { + dst->operation = ACCESS_ONCE(src->operation); + switch (dst->operation) { case BLKIF_OP_READ: case BLKIF_OP_WRITE: case BLKIF_OP_WRITE_BARRIER: diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 4b8e03fc3281..8ff6f5c21852 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -94,6 +94,7 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0CF3, 0x311D) }, { USB_DEVICE(0x0cf3, 0x3121) }, { USB_DEVICE(0x0CF3, 0x817a) }, + { USB_DEVICE(0x0CF3, 0x817b) }, { USB_DEVICE(0x0cf3, 0xe003) }, { USB_DEVICE(0x0CF3, 0xE004) }, { USB_DEVICE(0x0CF3, 0xE005) }, @@ -144,6 +145,7 @@ static struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index bbd1e6c7a4e9..2302075cb5ca 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -172,6 +172,7 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index c1de4c3a3fe7..4eedb0781912 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3620,6 +3620,11 @@ static int __devinit pci_probe(struct pci_dev *dev, reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0); ohci->it_context_support = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet); + /* JMicron JMB38x often shows 0 at first read, just ignore it */ + if (!ohci->it_context_support) { + dev_notice(&dev->dev, "overriding IsoXmitIntMask\n"); + ohci->it_context_support = 0xf; + } reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0); ohci->it_context_mask = ohci->it_context_support; ohci->n_it = hweight32(ohci->it_context_mask); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 77c456d624bf..afd1cc14b26c 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -51,6 +51,11 @@ static void radeon_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; + /* we can race here at startup, some boards seem to trigger + * hotplug irqs when they shouldn't. */ + if (!rdev->mode_info.mode_config_initialized) + return; + mutex_lock(&mode_config->mutex); if (mode_config->num_connector) { list_for_each_entry(connector, &mode_config->connector_list, head) diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index 111d956d8e7d..6a46d6e3377b 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -381,8 +381,10 @@ int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) set_current_state(interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); - if (signal_pending(current)) { - rc = -EINTR; + if (interruptible && signal_pending(current)) { + __set_current_state(TASK_RUNNING); + remove_wait_queue(&vga_wait_queue, &wait); + rc = -ERESTARTSYS; break; } schedule(); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 75fa2e7b87b5..b8ad132bc220 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1301,7 +1301,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) "Multi-Axis Controller" }; const char *type, *bus; - char buf[64]; + char buf[64] = ""; unsigned int i; int len; int ret; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index bd400f2a8d26..99e4974fe699 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3586,10 +3586,15 @@ found: for (bus = dev->bus; bus; bus = bus->parent) { struct pci_dev *bridge = bus->self; - if (!bridge || !pci_is_pcie(bridge) || + /* If it's an integrated device, allow ATS */ + if (!bridge) + return 1; + /* Connected via non-PCIe: no ATS */ + if (!pci_is_pcie(bridge) || bridge->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) return 0; + /* If we found the root port, look it up in the ATSR */ if (bridge->pcie_type == PCI_EXP_TYPE_ROOT_PORT) { for (i = 0; i < atsru->devices_cnt; i++) if (atsru->devices[i] == bridge) diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 6f3fd4cf4378..39119914e185 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -371,19 +371,12 @@ static void gigaset_freecshw(struct cardstate *cs) tasklet_kill(&cs->write_tasklet); if (!cs->hw.ser) return; - dev_set_drvdata(&cs->hw.ser->dev.dev, NULL); platform_device_unregister(&cs->hw.ser->dev); - kfree(cs->hw.ser); - cs->hw.ser = NULL; } static void gigaset_device_release(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - - /* adapted from platform_device_release() in drivers/base/platform.c */ - kfree(dev->platform_data); - kfree(pdev->resource); + kfree(container_of(dev, struct ser_cardstate, dev.dev)); } /* @@ -412,7 +405,6 @@ static int gigaset_initcshw(struct cardstate *cs) cs->hw.ser = NULL; return 0; } - dev_set_drvdata(&cs->hw.ser->dev.dev, cs); tasklet_init(&cs->write_tasklet, gigaset_modem_fill, (unsigned long) cs); diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index 884369f09cad..c0b787b3336c 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -1156,7 +1156,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) if (ipac->type & IPAC_TYPE_IPACX) { ista = ReadIPAC(ipac, ISACX_ISTA); - while (ista && cnt--) { + while (ista && --cnt) { pr_debug("%s: ISTA %02x\n", ipac->name, ista); if (ista & IPACX__ICA) ipac_irq(&ipac->hscx[0], ista); @@ -1168,7 +1168,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) } } else if (ipac->type & IPAC_TYPE_IPAC) { ista = ReadIPAC(ipac, IPAC_ISTA); - while (ista && cnt--) { + while (ista && --cnt) { pr_debug("%s: ISTA %02x\n", ipac->name, ista); if (ista & (IPAC__ICD | IPAC__EXD)) { istad = ReadISAC(isac, ISAC_ISTA); @@ -1186,7 +1186,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) ista = ReadIPAC(ipac, IPAC_ISTA); } } else if (ipac->type & IPAC_TYPE_HSCX) { - while (cnt) { + while (--cnt) { ista = ReadIPAC(ipac, IPAC_ISTAB + ipac->hscx[1].off); pr_debug("%s: B2 ISTA %02x\n", ipac->name, ista); if (ista) @@ -1197,7 +1197,6 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop) mISDNisac_irq(isac, istad); if (0 == (ista | istad)) break; - cnt--; } } if (cnt > maxloop) /* only for ISAC/HSCX without PCI IRQ test */ diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index d5fc3ec3639e..a0b28eee8270 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1553,11 +1553,8 @@ static int multipath_ioctl(struct dm_target *ti, unsigned int cmd, /* * Only pass ioctls through if the device sizes match exactly. */ - if (!bdev || ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) { - int err = scsi_verify_blk_ioctl(NULL, cmd); - if (err) - r = err; - } + if (!r && ti->len != i_size_read(bdev->bd_inode) >> SECTOR_SHIFT) + r = scsi_verify_blk_ioctl(NULL, cmd); return r ? : __blkdev_driver_ioctl(bdev, mode, cmd, arg); } diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index be86d59eaa90..c948acfba43c 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -230,6 +230,16 @@ static void pop_frame(struct del_stack *s) dm_tm_unlock(s->tm, f->b); } +static void unlock_all_frames(struct del_stack *s) +{ + struct frame *f; + + while (unprocessed_frames(s)) { + f = s->spine + s->top--; + dm_tm_unlock(s->tm, f->b); + } +} + int dm_btree_del(struct dm_btree_info *info, dm_block_t root) { int r; @@ -285,9 +295,13 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) f->current_child = f->nr_children; } } - out: + if (r) { + /* cleanup all frames of del_stack */ + unlock_all_frames(s); + } kfree(s); + return r; } EXPORT_SYMBOL_GPL(dm_btree_del); @@ -450,8 +464,10 @@ static int btree_split_sibling(struct shadow_spine *s, dm_block_t root, r = insert_at(sizeof(__le64), pn, parent_index + 1, le64_to_cpu(rn->keys[0]), &location); - if (r) + if (r) { + unlock_block(s->info, right); return r; + } if (key < le64_to_cpu(rn->keys[0])) { unlock_block(s->info, right); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index a548eed38937..a4d994f0cea4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1272,11 +1272,8 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) set_bit(Blocked, &rdev->flags); spin_lock_irqsave(&conf->device_lock, flags); if (test_and_clear_bit(In_sync, &rdev->flags)) { - unsigned long flags; - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded++; set_bit(Faulty, &rdev->flags); - spin_unlock_irqrestore(&conf->device_lock, flags); /* * if recovery is running, make sure it aborts. */ diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c index bf24aa77175d..1c96f3d08c34 100644 --- a/drivers/mtd/mtdpart.c +++ b/drivers/mtd/mtdpart.c @@ -632,8 +632,10 @@ int add_mtd_partitions(struct mtd_info *master, for (i = 0; i < nbparts; i++) { slave = allocate_partition(master, parts + i, i, cur_offset); - if (IS_ERR(slave)) + if (IS_ERR(slave)) { + del_mtd_partitions(master); return PTR_ERR(slave); + } mutex_lock(&mtd_partitions_mutex); list_add(&slave->list, &mtd_partitions); diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 2d3ad72958ff..18244862dfbf 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -177,6 +177,9 @@ static void sja1000_start(struct net_device *dev) priv->write_reg(priv, REG_RXERR, 0x0); priv->read_reg(priv, REG_ECC); + /* clear interrupt flags */ + priv->read_reg(priv, REG_IR); + /* leave reset mode */ set_normal_mode(dev); } diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 16caebaec007..53f5a96e99c3 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1513,8 +1513,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) txdesc = &mdp->tx_ring[entry]; /* soft swap. */ if (!mdp->cd->hw_swap) - sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), - skb->len + 2); + sh_eth_soft_swap(PTR_ALIGN(skb->data, 4), skb->len + 2); txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, DMA_TO_DEVICE); if (skb->len < ETHERSMALL) diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 6749acf6f3f4..e7352399b1fa 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -173,6 +173,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) skb = ip_check_defrag(skb, IP_DEFRAG_MACVLAN); if (!skb) return RX_HANDLER_CONSUMED; + *pskb = skb; eth = eth_hdr(skb); src = macvlan_hash_lookup(port, eth->h_source); if (!src) @@ -222,6 +223,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) if (!skb) goto out; + *pskb = skb; skb->dev = dev; skb->pkt_type = PACKET_HOST; diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 60338ff63092..5b45369a0878 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -933,7 +933,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = { { PHY_ID_BCM5421, 0xfffffff0 }, { PHY_ID_BCM5461, 0xfffffff0 }, { PHY_ID_BCM5464, 0xfffffff0 }, - { PHY_ID_BCM5482, 0xfffffff0 }, + { PHY_ID_BCM5481, 0xfffffff0 }, { PHY_ID_BCM5482, 0xfffffff0 }, { PHY_ID_BCM50610, 0xfffffff0 }, { PHY_ID_BCM50610M, 0xfffffff0 }, diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index d7a65e141d1a..dadf08512273 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -546,16 +546,12 @@ static void x25_asy_receive_buf(struct tty_struct *tty, static int x25_asy_open_tty(struct tty_struct *tty) { - struct x25_asy *sl = tty->disc_data; + struct x25_asy *sl; int err; if (tty->ops->write == NULL) return -EOPNOTSUPP; - /* First make sure we're not already connected. */ - if (sl && sl->magic == X25_ASY_MAGIC) - return -EEXIST; - /* OK. Find a free X.25 channel to use. */ sl = x25_asy_alloc(); if (sl == NULL) diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index 1a845074c52a..e24ef9a4228d 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -621,7 +621,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, (struct mwifiex_private *) file->private_data; unsigned long addr = get_zeroed_page(GFP_KERNEL); char *buf = (char *) addr; - int pos = 0, ret = 0, i; + int pos, ret, i; u8 value[MAX_EEPROM_DATA]; if (!buf) @@ -629,7 +629,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, if (saved_offset == -1) { /* No command has been given */ - pos += snprintf(buf, PAGE_SIZE, "0"); + pos = snprintf(buf, PAGE_SIZE, "0"); goto done; } @@ -638,17 +638,17 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf, (u16) saved_bytes, value); if (ret) { ret = -EINVAL; - goto done; + goto out_free; } - pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); + pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes); for (i = 0; i < saved_bytes; i++) - pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]); - - ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); + pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]); done: + ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos); +out_free: free_page(addr); return ret; } diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index cd4966bcb2d2..37bcc560210e 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -398,17 +398,17 @@ static struct netbk_rx_meta *get_next_rx_buffer(struct xenvif *vif, struct netrx_pending_operations *npo) { struct netbk_rx_meta *meta; - struct xen_netif_rx_request *req; + struct xen_netif_rx_request req; - req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++); + RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; meta->gso_size = 0; meta->size = 0; - meta->id = req->id; + meta->id = req.id; npo->copy_off = 0; - npo->copy_gref = req->gref; + npo->copy_gref = req.gref; return meta; } @@ -510,7 +510,7 @@ static int netbk_gop_skb(struct sk_buff *skb, struct xenvif *vif = netdev_priv(skb->dev); int nr_frags = skb_shinfo(skb)->nr_frags; int i; - struct xen_netif_rx_request *req; + struct xen_netif_rx_request req; struct netbk_rx_meta *meta; unsigned char *data; int head = 1; @@ -520,14 +520,14 @@ static int netbk_gop_skb(struct sk_buff *skb, /* Set up a GSO prefix descriptor, if necessary */ if (skb_shinfo(skb)->gso_size && vif->gso_prefix) { - req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++); + RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; meta->gso_size = skb_shinfo(skb)->gso_size; meta->size = 0; - meta->id = req->id; + meta->id = req.id; } - req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++); + RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req); meta = npo->meta + npo->meta_prod++; if (!vif->gso_prefix) @@ -536,9 +536,9 @@ static int netbk_gop_skb(struct sk_buff *skb, meta->gso_size = 0; meta->size = 0; - meta->id = req->id; + meta->id = req.id; npo->copy_off = 0; - npo->copy_gref = req->gref; + npo->copy_gref = req.gref; data = skb->data; while (data < skb_tail_pointer(skb)) { @@ -856,9 +856,7 @@ static void tx_add_credit(struct xenvif *vif) * Allow a burst big enough to transmit a jumbo packet of up to 128kB. * Otherwise the interface can seize up due to insufficient credit. */ - max_burst = RING_GET_REQUEST(&vif->tx, vif->tx.req_cons)->size; - max_burst = min(max_burst, 131072UL); - max_burst = max(max_burst, vif->credit_bytes); + max_burst = max(131072UL, vif->credit_bytes); /* Take care that adding a new chunk of credit doesn't wrap to zero. */ max_credit = vif->remaining_credit + vif->credit_bytes; @@ -884,7 +882,7 @@ static void netbk_tx_err(struct xenvif *vif, make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR); if (cons == end) break; - txp = RING_GET_REQUEST(&vif->tx, cons++); + RING_COPY_REQUEST(&vif->tx, cons++, txp); } while (1); vif->tx.req_cons = cons; xen_netbk_check_rx_xenvif(vif); @@ -945,8 +943,7 @@ static int netbk_count_requests(struct xenvif *vif, drop_err = -E2BIG; } - memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots), - sizeof(*txp)); + RING_COPY_REQUEST(&vif->tx, cons + slots, txp); /* If the guest submitted a frame >= 64 KiB then * first->size overflowed and following slots will @@ -1228,8 +1225,7 @@ static int xen_netbk_get_extras(struct xenvif *vif, return -EBADR; } - memcpy(&extra, RING_GET_REQUEST(&vif->tx, cons), - sizeof(extra)); + RING_COPY_REQUEST(&vif->tx, cons, &extra); if (unlikely(!extra.type || extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) { vif->tx.req_cons = ++cons; @@ -1424,7 +1420,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) idx = vif->tx.req_cons; rmb(); /* Ensure that we see the request before we copy it. */ - memcpy(&txreq, RING_GET_REQUEST(&vif->tx, idx), sizeof(txreq)); + RING_COPY_REQUEST(&vif->tx, idx, &txreq); /* Credit-based scheduling. */ if (txreq.size > vif->remaining_credit && diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h index 8c33491b21fe..c6aa38883466 100644 --- a/drivers/parisc/iommu-helpers.h +++ b/drivers/parisc/iommu-helpers.h @@ -104,7 +104,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, struct scatterlist *contig_sg; /* contig chunk head */ unsigned long dma_offset, dma_len; /* start/len of DMA stream */ unsigned int n_mappings = 0; - unsigned int max_seg_size = dma_get_max_seg_size(dev); + unsigned int max_seg_size = min(dma_get_max_seg_size(dev), + (unsigned)DMA_CHUNK_SIZE); + unsigned int max_seg_boundary = dma_get_seg_boundary(dev) + 1; + if (max_seg_boundary) /* check if the addition above didn't overflow */ + max_seg_size = min(max_seg_size, max_seg_boundary); while (nents > 0) { @@ -139,14 +143,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, /* ** First make sure current dma stream won't - ** exceed DMA_CHUNK_SIZE if we coalesce the + ** exceed max_seg_size if we coalesce the ** next entry. */ - if(unlikely(ALIGN(dma_len + dma_offset + startsg->length, - IOVP_SIZE) > DMA_CHUNK_SIZE)) - break; - - if (startsg->length + dma_len > max_seg_size) + if (unlikely(ALIGN(dma_len + dma_offset + startsg->length, IOVP_SIZE) > + max_seg_size)) break; /* diff --git a/drivers/power/wm831x_power.c b/drivers/power/wm831x_power.c index 987332b71d8d..036ee0b258be 100644 --- a/drivers/power/wm831x_power.c +++ b/drivers/power/wm831x_power.c @@ -567,7 +567,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev) irq = platform_get_irq_byname(pdev, "SYSLO"); ret = request_threaded_irq(irq, NULL, wm831x_syslo_irq, - IRQF_TRIGGER_RISING, "System power low", + IRQF_TRIGGER_RISING | IRQF_ONESHOT, "System power low", power); if (ret != 0) { dev_err(&pdev->dev, "Failed to request SYSLO IRQ %d: %d\n", @@ -577,7 +577,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev) irq = platform_get_irq_byname(pdev, "PWR SRC"); ret = request_threaded_irq(irq, NULL, wm831x_pwr_src_irq, - IRQF_TRIGGER_RISING, "Power source", + IRQF_TRIGGER_RISING | IRQF_ONESHOT, "Power source", power); if (ret != 0) { dev_err(&pdev->dev, "Failed to request PWR SRC IRQ %d: %d\n", @@ -588,7 +588,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(wm831x_bat_irqs); i++) { irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]); ret = request_threaded_irq(irq, NULL, wm831x_bat_irq, - IRQF_TRIGGER_RISING, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, wm831x_bat_irqs[i], power); if (ret != 0) { diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 1a7955a39070..0eaf19676157 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -300,6 +300,8 @@ enum MR_EVT_ARGS { MR_EVT_ARGS_GENERIC, }; + +#define SGE_BUFFER_SIZE 4096 /* * define constants for device list query options */ diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index bacd344f4626..2e46060e45e2 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3582,7 +3582,7 @@ static int megasas_init_fw(struct megasas_instance *instance) } instance->max_sectors_per_req = instance->max_num_sge * - PAGE_SIZE / 512; + SGE_BUFFER_SIZE / 512; if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) instance->max_sectors_per_req = tmp_sectors; @@ -5014,6 +5014,9 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) int i; int error = 0; compat_uptr_t ptr; + unsigned long local_raw_ptr; + u32 local_sense_off; + u32 local_sense_len; if (clear_user(ioc, sizeof(*ioc))) return -EFAULT; @@ -5031,9 +5034,15 @@ static int megasas_mgmt_compat_ioctl_fw(struct file *file, unsigned long arg) * sense_len is not null, so prepare the 64bit value under * the same condition. */ - if (ioc->sense_len) { + if (get_user(local_raw_ptr, ioc->frame.raw) || + get_user(local_sense_off, &ioc->sense_off) || + get_user(local_sense_len, &ioc->sense_len)) + return -EFAULT; + + + if (local_sense_len) { void __user **sense_ioc_ptr = - (void __user **)(ioc->frame.raw + ioc->sense_off); + (void __user **)((u8*)local_raw_ptr + local_sense_off); compat_uptr_t *sense_cioc_ptr = (compat_uptr_t *)(cioc->frame.raw + cioc->sense_off); if (get_user(ptr, sense_cioc_ptr) || diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 72ca515a4304..ca6ddab8c4a7 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -793,7 +793,7 @@ sdev_store_queue_ramp_up_period(struct device *dev, return -EINVAL; sdev->queue_ramp_up_period = msecs_to_jiffies(period); - return period; + return count; } static struct device_attribute sdev_attr_queue_ramp_up_period = @@ -1020,31 +1020,23 @@ static void __scsi_remove_target(struct scsi_target *starget) void scsi_remove_target(struct device *dev) { struct Scsi_Host *shost = dev_to_shost(dev->parent); - struct scsi_target *starget, *last = NULL; + struct scsi_target *starget; unsigned long flags; - /* remove targets being careful to lookup next entry before - * deleting the last - */ +restart: spin_lock_irqsave(shost->host_lock, flags); list_for_each_entry(starget, &shost->__targets, siblings) { if (starget->state == STARGET_DEL) continue; if (starget->dev.parent == dev || &starget->dev == dev) { - /* assuming new targets arrive at the end */ starget->reap_ref++; spin_unlock_irqrestore(shost->host_lock, flags); - if (last) - scsi_target_reap(last); - last = starget; __scsi_remove_target(starget); - spin_lock_irqsave(shost->host_lock, flags); + scsi_target_reap(starget); + goto restart; } } spin_unlock_irqrestore(shost->host_lock, flags); - - if (last) - scsi_target_reap(last); } EXPORT_SYMBOL(scsi_remove_target); diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index eba183c428cf..3643bbf5456d 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -70,6 +70,7 @@ static int ses_probe(struct device *dev) static int ses_recv_diag(struct scsi_device *sdev, int page_code, void *buf, int bufflen) { + int ret; unsigned char cmd[] = { RECEIVE_DIAGNOSTIC, 1, /* Set PCV bit */ @@ -78,9 +79,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code, bufflen & 0xff, 0 }; + unsigned char recv_page_code; - return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, + ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen, NULL, SES_TIMEOUT, SES_RETRIES, NULL); + if (unlikely(!ret)) + return ret; + + recv_page_code = ((unsigned char *)buf)[0]; + + if (likely(recv_page_code == page_code)) + return ret; + + /* successful diagnostic but wrong page code. This happens to some + * USB devices, just print a message and pretend there was an error */ + + sdev_printk(KERN_ERR, sdev, + "Wrong diagnostic page; asked for %d got %u\n", + page_code, recv_page_code); + + return -EINVAL; } static int ses_send_diag(struct scsi_device *sdev, int page_code, @@ -436,7 +454,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev, if (desc_ptr) desc_ptr += len; - if (addl_desc_ptr) + if (addl_desc_ptr && + /* only find additional descriptions for specific devices */ + (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE || + type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER || + /* these elements are optional */ + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT || + type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS)) addl_desc_ptr += addl_desc_ptr[1] + 2; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index a3f31e9ab214..516fd23ba0d5 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -846,7 +846,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size) device_initialize(&master->dev); master->dev.class = &spi_master_class; - master->dev.parent = get_device(dev); + master->dev.parent = dev; spi_master_set_devdata(master, &master[1]); return master; diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c index dfc9033843a3..37ca387327cf 100644 --- a/drivers/staging/iio/adc/lpc32xx_adc.c +++ b/drivers/staging/iio/adc/lpc32xx_adc.c @@ -75,7 +75,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, if (mask == 0) { mutex_lock(&indio_dev->mlock); - clk_enable(info->clk); + clk_prepare_enable(info->clk); /* Measurement setup */ __raw_writel(AD_INTERNAL | (chan->address) | AD_REFp | AD_REFm, LPC32XX_ADC_SELECT(info->adc_base)); @@ -83,7 +83,7 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, __raw_writel(AD_PDN_CTRL | AD_STROBE, LPC32XX_ADC_CTRL(info->adc_base)); wait_for_completion(&info->completion); /* set by ISR */ - clk_disable(info->clk); + clk_disable_unprepare(info->clk); *val = info->value; mutex_unlock(&indio_dev->mlock); diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 1b1bf38e8839..3c4a54cf4b5d 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -147,6 +147,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { {USB_DEVICE(0x0DF6, 0x0058)}, {USB_DEVICE(0x0DF6, 0x0049)}, {USB_DEVICE(0x0DF6, 0x004C)}, + {USB_DEVICE(0x0DF6, 0x006C)}, {USB_DEVICE(0x0DF6, 0x0064)}, /* Skyworth */ {USB_DEVICE(0x14b2, 0x3300)}, diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index 4f02f9ce05c5..3f59d6c399da 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -443,7 +443,8 @@ static void flush_to_ldisc(struct work_struct *work) flag_buf = head->flag_buf_ptr + head->read; head->read += count; spin_unlock_irqrestore(&tty->buf.lock, flags); - disc->ops->receive_buf(tty, char_buf, + if (disc->ops->receive_buf) + disc->ops->receive_buf(tty, char_buf, flag_buf, count); spin_lock_irqsave(&tty->buf.lock, flags); } diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index a68c1a63dc65..8bbe67ccb758 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -861,11 +861,11 @@ static int usblp_wwait(struct usblp *usblp, int nonblock) add_wait_queue(&usblp->wwait, &waita); for (;;) { - set_current_state(TASK_INTERRUPTIBLE); if (mutex_lock_interruptible(&usblp->mut)) { rc = -EINTR; break; } + set_current_state(TASK_INTERRUPTIBLE); rc = usblp_wtest(usblp, nonblock); mutex_unlock(&usblp->mut); if (rc <= 0) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 62ea924dee1c..65ff69a05225 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -156,6 +156,7 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); #define HUB_DEBOUNCE_STABLE 100 +static void hub_release(struct kref *kref); static int usb_reset_and_verify_device(struct usb_device *udev); static inline char *portspeed(struct usb_hub *hub, int portstatus) @@ -797,10 +798,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) unsigned delay; /* Continue a partial initialization */ - if (type == HUB_INIT2) - goto init2; - if (type == HUB_INIT3) + if (type == HUB_INIT2 || type == HUB_INIT3) { + device_lock(hub->intfdev); + + /* Was the hub disconnected while we were waiting? */ + if (hub->disconnected) { + device_unlock(hub->intfdev); + kref_put(&hub->kref, hub_release); + return; + } + if (type == HUB_INIT2) + goto init2; goto init3; + } + kref_get(&hub->kref); /* The superspeed hub except for root hub has to use Hub Depth * value as an offset into the route string to locate the bits @@ -990,6 +1001,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func3); schedule_delayed_work(&hub->init_work, msecs_to_jiffies(delay)); + device_unlock(hub->intfdev); return; /* Continues at init3: below */ } else { msleep(delay); @@ -1010,6 +1022,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) /* Allow autosuspend if it was suppressed */ if (type <= HUB_INIT3) usb_autopm_put_interface_async(to_usb_interface(hub->intfdev)); + + if (type == HUB_INIT2 || type == HUB_INIT3) + device_unlock(hub->intfdev); + + kref_put(&hub->kref, hub_release); } /* Implement the continuations for the delays above */ @@ -1638,10 +1655,8 @@ void usb_set_device_state(struct usb_device *udev, || new_state == USB_STATE_SUSPENDED) ; /* No change to wakeup settings */ else if (new_state == USB_STATE_CONFIGURED) - wakeup = (udev->quirks & - USB_QUIRK_IGNORE_REMOTE_WAKEUP) ? 0 : - udev->actconfig->desc.bmAttributes & - USB_CONFIG_ATT_WAKEUP; + wakeup = udev->actconfig->desc.bmAttributes + & USB_CONFIG_ATT_WAKEUP; else wakeup = 0; } diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h index 2753cec61aaf..e8cdce571bb1 100644 --- a/drivers/usb/core/otg_whitelist.h +++ b/drivers/usb/core/otg_whitelist.h @@ -59,11 +59,6 @@ static int is_targeted(struct usb_device *dev) le16_to_cpu(dev->descriptor.idProduct) == 0xbadd)) return 0; - /* OTG PET device is always targeted (see OTG 2.0 ECN 6.4.2) */ - if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1a0a && - le16_to_cpu(dev->descriptor.idProduct) == 0x0200)) - return 1; - /* NOTE: can't use usb_match_id() since interface caches * aren't set up yet. this is cut/paste from that code. */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index fd8e60ee7df2..90f04a8e859a 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -184,14 +184,6 @@ static const struct usb_device_id usb_interface_quirk_list[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0), .driver_info = USB_QUIRK_RESET_RESUME }, - /* ASUS Base Station(T100) */ - { USB_DEVICE(0x0b05, 0x17e0), .driver_info = - USB_QUIRK_IGNORE_REMOTE_WAKEUP }, - - /* Protocol and OTG Electrical Test Device */ - { USB_DEVICE(0x1a0a, 0x0200), .driver_info = - USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, - { } /* terminating entry must be last */ }; diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index 76083ae92138..412b4feea17b 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -377,6 +377,10 @@ static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_f if (std->pl_virt == NULL) return -ENOMEM; std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE); + if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) { + kfree(std->pl_virt); + return -EFAULT; + } for (p = 0; p < std->num_pointers; p++) { std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 88be7a51df52..95ac4cf9d5bf 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4123,8 +4123,16 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG); slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx); slot_ctx->dev_info |= cpu_to_le32(DEV_HUB); + /* + * refer to section 6.2.2: MTT should be 0 for full speed hub, + * but it may be already set to 1 when setup an xHCI virtual + * device, so clear it anyway. + */ if (tt->multi) slot_ctx->dev_info |= cpu_to_le32(DEV_MTT); + else if (hdev->speed == USB_SPEED_FULL) + slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT); + if (xhci->hci_version > 0x95) { xhci_dbg(xhci, "xHCI version %x needs hub " "TT think time and number of ports\n", diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index d3481c497be9..db25165ed16a 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -131,8 +131,8 @@ static inline struct musb *dev_to_musb(struct device *dev) /*-------------------------------------------------------------------------*/ #if !defined(CONFIG_BLACKFIN) && !(defined(CONFIG_USB_MUSB_SUNXI) || \ defined(CONFIG_USB_MUSB_SUNXI_MODULE)) -static int musb_ulpi_read(struct usb_phy *phy, u32 offset) +static int musb_ulpi_read(struct usb_phy *phy, u32 reg) { void __iomem *addr = phy->io_priv; int i = 0; @@ -150,7 +150,7 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset) * ULPICarKitControlDisableUTMI after clearing POWER_SUSPENDM. */ - musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset); + musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg); musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ | MUSB_ULPI_RDN_WR); @@ -175,7 +175,7 @@ out: return ret; } -static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) +static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg) { void __iomem *addr = phy->io_priv; int i = 0; @@ -190,8 +190,8 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data) power &= ~MUSB_POWER_SUSPENDM; musb_writeb(addr, MUSB_POWER, power); - musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset); - musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)data); + musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg); + musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)val); musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ); while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 7a04e2c4e0af..b48444b84e40 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -138,7 +138,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ - { USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */ { USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */ { USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */ diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 10c02b8b5664..af019a82c0d6 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -550,7 +550,8 @@ static int ipaq_open(struct tty_struct *tty, * through. Since this has a reasonably high failure rate, we retry * several times. */ - while (retries--) { + while (retries) { + retries--; result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21, 0x1, 0, NULL, 0, 100); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index cb999af237dd..1852ca6a33a3 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -162,6 +162,7 @@ static void option_instat_callback(struct urb *urb); #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001 #define NOVATELWIRELESS_PRODUCT_E362 0x9010 #define NOVATELWIRELESS_PRODUCT_E371 0x9011 +#define NOVATELWIRELESS_PRODUCT_U620L 0x9022 #define NOVATELWIRELESS_PRODUCT_G2 0xA010 #define NOVATELWIRELESS_PRODUCT_MC551 0xB001 @@ -351,6 +352,7 @@ static void option_instat_callback(struct urb *urb); /* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick * * It seems to contain a Qualcomm QSC6240/6290 chipset */ #define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603 +#define FOUR_G_SYSTEMS_PRODUCT_W100 0x9b01 /* iBall 3.5G connect wireless modem */ #define IBALL_3_5G_CONNECT 0x9605 @@ -524,6 +526,11 @@ static const struct option_blacklist_info four_g_w14_blacklist = { .sendsetup = BIT(0) | BIT(1), }; +static const struct option_blacklist_info four_g_w100_blacklist = { + .sendsetup = BIT(1) | BIT(2), + .reserved = BIT(3), +}; + static const struct option_blacklist_info alcatel_x200_blacklist = { .sendsetup = BIT(0) | BIT(1), .reserved = BIT(4), @@ -1045,6 +1052,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U620L, 0xff, 0x00, 0x00) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, @@ -1619,6 +1627,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, + { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100), + .driver_info = (kernel_ulong_t)&four_g_w100_blacklist + }, { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 257577977d23..974c4fa30b14 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -164,7 +164,7 @@ static unsigned int product_5052_count; /* the array dimension is the number of default entries plus */ /* TI_EXTRA_VID_PID_COUNT user defined entries plus 1 terminating */ /* null entry */ -static struct usb_device_id ti_id_table_3410[15+TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_3410[16+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, @@ -190,7 +190,7 @@ static struct usb_device_id ti_id_table_5052[5+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, }; -static struct usb_device_id ti_id_table_combined[19+2*TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_combined[20+2*TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_NO_FW_PRODUCT_ID) }, diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index a7def010eba3..7a642e3e049c 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -37,6 +37,7 @@ struct xen_pcibk_device { struct xen_pci_sharedinfo *sh_info; unsigned long flags; struct work_struct op_work; + struct xen_pci_op op; }; struct xen_pcibk_dev_data { diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index d52703c5821a..3d0c70a81208 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -69,6 +69,13 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset) enable ? "enable" : "disable"); if (enable) { + /* + * The MSI or MSI-X should not have an IRQ handler. Otherwise + * if the guest terminates we BUG_ON in free_msi_irqs. + */ + if (dev->msi_enabled || dev->msix_enabled) + goto out; + rc = request_irq(dev_data->irq, xen_pcibk_guest_interrupt, IRQF_SHARED, dev_data->irq_name, dev); @@ -143,7 +150,12 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev, if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: enable MSI\n", pci_name(dev)); - status = pci_enable_msi(dev); + if (dev->msi_enabled) + status = -EALREADY; + else if (dev->msix_enabled) + status = -ENXIO; + else + status = pci_enable_msi(dev); if (status) { pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI for guest %u: err %d\n", @@ -172,20 +184,23 @@ static int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { - struct xen_pcibk_dev_data *dev_data; - if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: disable MSI\n", pci_name(dev)); - pci_disable_msi(dev); + if (dev->msi_enabled) { + struct xen_pcibk_dev_data *dev_data; + + pci_disable_msi(dev); + + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; + } op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: MSI: %d\n", pci_name(dev), op->value); - dev_data = pci_get_drvdata(dev); - if (dev_data) - dev_data->ack_intr = 1; return 0; } @@ -196,13 +211,26 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, struct xen_pcibk_dev_data *dev_data; int i, result; struct msix_entry *entries; + u16 cmd; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: enable MSI-X\n", pci_name(dev)); + if (op->value > SH_INFO_MAX_VEC) return -EINVAL; + if (dev->msix_enabled) + return -EALREADY; + + /* + * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able + * to access the BARs where the MSI-X entries reside. + */ + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY)) + return -ENXIO; + entries = kmalloc(op->value * sizeof(*entries), GFP_KERNEL); if (entries == NULL) return -ENOMEM; @@ -244,23 +272,27 @@ static int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { - struct xen_pcibk_dev_data *dev_data; if (unlikely(verbose_request)) printk(KERN_DEBUG DRV_NAME ": %s: disable MSI-X\n", pci_name(dev)); - pci_disable_msix(dev); + if (dev->msix_enabled) { + struct xen_pcibk_dev_data *dev_data; + + pci_disable_msix(dev); + + dev_data = pci_get_drvdata(dev); + if (dev_data) + dev_data->ack_intr = 1; + } /* * SR-IOV devices (which don't have any legacy IRQ) have * an undefined IRQ value of zero. */ op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0; if (unlikely(verbose_request)) - printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", pci_name(dev), - op->value); - dev_data = pci_get_drvdata(dev); - if (dev_data) - dev_data->ack_intr = 1; + printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", + pci_name(dev), op->value); return 0; } #endif @@ -297,9 +329,14 @@ void xen_pcibk_do_op(struct work_struct *data) container_of(data, struct xen_pcibk_device, op_work); struct pci_dev *dev; struct xen_pcibk_dev_data *dev_data = NULL; - struct xen_pci_op *op = &pdev->sh_info->op; + struct xen_pci_op *op = &pdev->op; int test_intx = 0; +#ifdef CONFIG_PCI_MSI + unsigned int nr = 0; +#endif + *op = pdev->sh_info->op; + barrier(); dev = xen_pcibk_get_pci_dev(pdev, op->domain, op->bus, op->devfn); if (dev == NULL) @@ -325,6 +362,7 @@ void xen_pcibk_do_op(struct work_struct *data) op->err = xen_pcibk_disable_msi(pdev, dev, op); break; case XEN_PCI_OP_enable_msix: + nr = op->value; op->err = xen_pcibk_enable_msix(pdev, dev, op); break; case XEN_PCI_OP_disable_msix: @@ -341,6 +379,17 @@ void xen_pcibk_do_op(struct work_struct *data) if ((dev_data->enable_intx != test_intx)) xen_pcibk_control_isr(dev, 0 /* no reset */); } + pdev->sh_info->op.err = op->err; + pdev->sh_info->op.value = op->value; +#ifdef CONFIG_PCI_MSI + if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) { + unsigned int i; + + for (i = 0; i < nr; i++) + pdev->sh_info->op.msix_entries[i].vector = + op->msix_entries[i].vector; + } +#endif /* Tell the driver domain that we're done. */ wmb(); clear_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index c9b32dcf820d..116e43f89325 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -447,9 +447,9 @@ void v9fs_evict_inode(struct inode *inode) { struct v9fs_inode *v9inode = V9FS_I(inode); - truncate_inode_pages(inode->i_mapping, 0); + truncate_inode_pages(&inode->i_data, 0); end_writeback(inode); - filemap_fdatawrite(inode->i_mapping); + filemap_fdatawrite(&inode->i_data); #ifdef CONFIG_9P_FSCACHE v9fs_cache_inode_put_cookie(inode); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index a181b58cedd5..a54779243735 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -668,16 +668,16 @@ static int load_elf_binary(struct linux_binprm *bprm, struct pt_regs *regs) */ would_dump(bprm, interpreter); - retval = kernel_read(interpreter, 0, bprm->buf, - BINPRM_BUF_SIZE); - if (retval != BINPRM_BUF_SIZE) { + /* Get the exec headers */ + retval = kernel_read(interpreter, 0, + (void *)&loc->interp_elf_ex, + sizeof(loc->interp_elf_ex)); + if (retval != sizeof(loc->interp_elf_ex)) { if (retval >= 0) retval = -EIO; goto out_free_dentry; } - /* Get the exec headers */ - loc->interp_elf_ex = *((struct elfhdr *)bprm->buf); break; } elf_ppnt++; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 575c1902d38d..d460390484a8 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1203,8 +1203,14 @@ next_slot: num_bytes = 0; btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]); - if (found_key.objectid > ino || - found_key.type > BTRFS_EXTENT_DATA_KEY || + if (found_key.objectid > ino) + break; + if (WARN_ON_ONCE(found_key.objectid < ino) || + found_key.type < BTRFS_EXTENT_DATA_KEY) { + path->slots[0]++; + goto next_slot; + } + if (found_key.type > BTRFS_EXTENT_DATA_KEY || found_key.offset > end) break; diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c index b4d2438da9a5..00d942540e6c 100644 --- a/fs/cachefiles/rdwr.c +++ b/fs/cachefiles/rdwr.c @@ -914,6 +914,15 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) cache = container_of(object->fscache.cache, struct cachefiles_cache, cache); + pos = (loff_t)page->index << PAGE_SHIFT; + + /* We mustn't write more data than we have, so we have to beware of a + * partial page at EOF. + */ + eof = object->fscache.store_limit_l; + if (pos >= eof) + goto error; + /* write the page to the backing filesystem and let it store it in its * own time */ dget(object->backer); @@ -922,47 +931,46 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) cache->cache_cred); if (IS_ERR(file)) { ret = PTR_ERR(file); - } else { + goto error_2; + } + if (!file->f_op->write) { ret = -EIO; - if (file->f_op->write) { - pos = (loff_t) page->index << PAGE_SHIFT; - - /* we mustn't write more data than we have, so we have - * to beware of a partial page at EOF */ - eof = object->fscache.store_limit_l; - len = PAGE_SIZE; - if (eof & ~PAGE_MASK) { - ASSERTCMP(pos, <, eof); - if (eof - pos < PAGE_SIZE) { - _debug("cut short %llx to %llx", - pos, eof); - len = eof - pos; - ASSERTCMP(pos + len, ==, eof); - } - } + goto error_2; + } - data = kmap(page); - old_fs = get_fs(); - set_fs(KERNEL_DS); - ret = file->f_op->write( - file, (const void __user *) data, len, &pos); - set_fs(old_fs); - kunmap(page); - if (ret != len) - ret = -EIO; + len = PAGE_SIZE; + if (eof & ~PAGE_MASK) { + if (eof - pos < PAGE_SIZE) { + _debug("cut short %llx to %llx", + pos, eof); + len = eof - pos; + ASSERTCMP(pos + len, ==, eof); } - fput(file); } - if (ret < 0) { - if (ret == -EIO) - cachefiles_io_error_obj( - object, "Write page to backing file failed"); - ret = -ENOBUFS; - } + data = kmap(page); + old_fs = get_fs(); + set_fs(KERNEL_DS); + ret = file->f_op->write( + file, (const void __user *) data, len, &pos); + set_fs(old_fs); + kunmap(page); + fput(file); + if (ret != len) + goto error_eio; + + _leave(" = 0"); + return 0; - _leave(" = %d", ret); - return ret; +error_eio: + ret = -EIO; +error_2: + if (ret == -EIO) + cachefiles_io_error_obj(object, + "Write page to backing file failed"); +error: + _leave(" = -ENOBUFS [%d]", ret); + return -ENOBUFS; } /* diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index b9cdb6df8d2b..aedf75fd62b4 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -704,19 +705,55 @@ struct move_extent { <= (EXT4_GOOD_OLD_INODE_SIZE + \ (einode)->i_extra_isize)) \ +/* + * We use an encoding that preserves the times for extra epoch "00": + * + * extra msb of adjust for signed + * epoch 32-bit 32-bit tv_sec to + * bits time decoded 64-bit tv_sec 64-bit tv_sec valid time range + * 0 0 1 -0x80000000..-0x00000001 0x000000000 1901-12-13..1969-12-31 + * 0 0 0 0x000000000..0x07fffffff 0x000000000 1970-01-01..2038-01-19 + * 0 1 1 0x080000000..0x0ffffffff 0x100000000 2038-01-19..2106-02-07 + * 0 1 0 0x100000000..0x17fffffff 0x100000000 2106-02-07..2174-02-25 + * 1 0 1 0x180000000..0x1ffffffff 0x200000000 2174-02-25..2242-03-16 + * 1 0 0 0x200000000..0x27fffffff 0x200000000 2242-03-16..2310-04-04 + * 1 1 1 0x280000000..0x2ffffffff 0x300000000 2310-04-04..2378-04-22 + * 1 1 0 0x300000000..0x37fffffff 0x300000000 2378-04-22..2446-05-10 + * + * Note that previous versions of the kernel on 64-bit systems would + * incorrectly use extra epoch bits 1,1 for dates between 1901 and + * 1970. e2fsck will correct this, assuming that it is run on the + * affected filesystem before 2242. + */ + static inline __le32 ext4_encode_extra_time(struct timespec *time) { - return cpu_to_le32((sizeof(time->tv_sec) > 4 ? - (time->tv_sec >> 32) & EXT4_EPOCH_MASK : 0) | - ((time->tv_nsec << EXT4_EPOCH_BITS) & EXT4_NSEC_MASK)); + u32 extra = sizeof(time->tv_sec) > 4 ? + ((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK : 0; + return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS)); } static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra) { - if (sizeof(time->tv_sec) > 4) - time->tv_sec |= (__u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) - << 32; - time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; + if (unlikely(sizeof(time->tv_sec) > 4 && + (extra & cpu_to_le32(EXT4_EPOCH_MASK)))) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0) + /* Handle legacy encoding of pre-1970 dates with epoch + * bits 1,1. We assume that by kernel version 4.20, + * everyone will have run fsck over the affected + * filesystems to correct the problem. (This + * backwards compatibility may be removed before this + * time, at the discretion of the ext4 developers.) + */ + u64 extra_bits = le32_to_cpu(extra) & EXT4_EPOCH_MASK; + if (extra_bits == 3 && ((time->tv_sec) & 0x80000000) != 0) + extra_bits = 0; + time->tv_sec += extra_bits << 32; +#else + time->tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32; +#endif + } + time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS; } #define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \ diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 3de888c3894a..5862518c6737 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -483,9 +483,13 @@ static void ext4_handle_error(struct super_block *sb) ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); sb->s_flags |= MS_RDONLY; } - if (test_opt(sb, ERRORS_PANIC)) + if (test_opt(sb, ERRORS_PANIC)) { + if (EXT4_SB(sb)->s_journal && + !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR)) + return; panic("EXT4-fs (device %s): panic forced after error\n", sb->s_id); + } } void __ext4_error(struct super_block *sb, const char *function, @@ -659,8 +663,12 @@ void __ext4_abort(struct super_block *sb, const char *function, jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO); save_error_info(sb, function, line); } - if (test_opt(sb, ERRORS_PANIC)) + if (test_opt(sb, ERRORS_PANIC)) { + if (EXT4_SB(sb)->s_journal && + !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR)) + return; panic("EXT4-fs panic from previous error\n"); + } } void ext4_msg(struct super_block *sb, const char *prefix, const char *fmt, ...) diff --git a/fs/fscache/netfs.c b/fs/fscache/netfs.c index e028b8eb1c40..6f4e4ed0c8e3 100644 --- a/fs/fscache/netfs.c +++ b/fs/fscache/netfs.c @@ -22,6 +22,7 @@ static LIST_HEAD(fscache_netfs_list); int __fscache_register_netfs(struct fscache_netfs *netfs) { struct fscache_netfs *ptr; + struct fscache_cookie *cookie; int ret; _enter("{%s}", netfs->name); @@ -29,27 +30,23 @@ int __fscache_register_netfs(struct fscache_netfs *netfs) INIT_LIST_HEAD(&netfs->link); /* allocate a cookie for the primary index */ - netfs->primary_index = - kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL); + cookie = kmem_cache_zalloc(fscache_cookie_jar, GFP_KERNEL); - if (!netfs->primary_index) { + if (!cookie) { _leave(" = -ENOMEM"); return -ENOMEM; } /* initialise the primary index cookie */ - atomic_set(&netfs->primary_index->usage, 1); - atomic_set(&netfs->primary_index->n_children, 0); + atomic_set(&cookie->usage, 1); + atomic_set(&cookie->n_children, 0); - netfs->primary_index->def = &fscache_fsdef_netfs_def; - netfs->primary_index->parent = &fscache_fsdef_index; - netfs->primary_index->netfs_data = netfs; + cookie->def = &fscache_fsdef_netfs_def; + cookie->parent = &fscache_fsdef_index; + cookie->netfs_data = netfs; - atomic_inc(&netfs->primary_index->parent->usage); - atomic_inc(&netfs->primary_index->parent->n_children); - - spin_lock_init(&netfs->primary_index->lock); - INIT_HLIST_HEAD(&netfs->primary_index->backing_objects); + spin_lock_init(&cookie->lock); + INIT_HLIST_HEAD(&cookie->backing_objects); /* check the netfs type is not already present */ down_write(&fscache_addremove_sem); @@ -60,6 +57,10 @@ int __fscache_register_netfs(struct fscache_netfs *netfs) goto already_registered; } + atomic_inc(&cookie->parent->usage); + atomic_inc(&cookie->parent->n_children); + + netfs->primary_index = cookie; list_add(&netfs->link, &fscache_netfs_list); ret = 0; @@ -69,11 +70,8 @@ int __fscache_register_netfs(struct fscache_netfs *netfs) already_registered: up_write(&fscache_addremove_sem); - if (ret < 0) { - netfs->primary_index->parent = NULL; - __fscache_cookie_put(netfs->primary_index); - netfs->primary_index = NULL; - } + if (ret < 0) + kmem_cache_free(fscache_cookie_jar, cookie); _leave(" = %d", ret); return ret; diff --git a/fs/fscache/page.c b/fs/fscache/page.c index 3f7a59bfa7ad..c9d52e1a8fa9 100644 --- a/fs/fscache/page.c +++ b/fs/fscache/page.c @@ -676,7 +676,7 @@ static void fscache_write_op(struct fscache_operation *_op) goto superseded; page = results[0]; _debug("gang %d [%lx]", n, page->index); - if (page->index > op->store_limit) { + if (page->index >= op->store_limit) { fscache_stat(&fscache_n_store_pages_over_limit); goto superseded; } diff --git a/fs/fuse/file.c b/fs/fuse/file.c index e4f1f1ace347..951457a2da6b 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -846,6 +846,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, mark_page_accessed(page); + iov_iter_advance(ii, tmp); if (!tmp) { unlock_page(page); page_cache_release(page); @@ -857,7 +858,6 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req, req->pages[req->num_pages] = page; req->num_pages++; - iov_iter_advance(ii, tmp); count += tmp; pos += tmp; offset += tmp; diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index a3279442bf30..2e3063c76ab6 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1921,8 +1921,12 @@ static void __journal_abort_soft (journal_t *journal, int errno) __jbd2_journal_abort_hard(journal); - if (errno) + if (errno) { jbd2_journal_update_sb_errno(journal); + write_lock(&journal->j_state_lock); + journal->j_flags |= JBD2_REC_ERR; + write_unlock(&journal->j_state_lock); + } } /** diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index f512c690d38e..51a743e6307b 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1904,6 +1904,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) if (!buffer_dirty(bh)) { /* bdflush has written it. We can drop it now */ + __jbd2_journal_remove_checkpoint(jh); goto zap_buffer; } @@ -1941,6 +1942,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) /* The orphan record's transaction has * committed. We can cleanse this buffer */ clear_buffer_jbddirty(bh); + __jbd2_journal_remove_checkpoint(jh); goto zap_buffer; } } diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index a6d59054e8b3..bf980b5821cc 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1458,7 +1458,11 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) nfsi->attrtimeo_timestamp = now; } } - invalid &= ~NFS_INO_INVALID_ATTR; + + /* Don't declare attrcache up to date if there were no attrs! */ + if (fattr->valid != 0) + invalid &= ~NFS_INO_INVALID_ATTR; + /* Don't invalidate the data if we were to blame */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index ec55add7604a..2ca64fab715c 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -56,11 +56,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode, int new_clusters, u32 first_new_cluster, u16 cl_cpg, + u16 old_bg_clusters, int set) { int i; u16 backups = 0; - u32 cluster; + u32 cluster, lgd_cluster; u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno); for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) { @@ -73,6 +74,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode, else if (gd_blkno > lgd_blkno) break; + /* check if already done backup super */ + lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno); + lgd_cluster += old_bg_clusters; + if (lgd_cluster >= cluster) + continue; + if (set) ocfs2_set_bit(cluster % cl_cpg, (unsigned long *)gd->bg_bitmap); @@ -101,6 +108,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, u16 chain, num_bits, backups = 0; u16 cl_bpc = le16_to_cpu(cl->cl_bpc); u16 cl_cpg = le16_to_cpu(cl->cl_cpg); + u16 old_bg_clusters; trace_ocfs2_update_last_group_and_inode(new_clusters, first_new_cluster); @@ -114,6 +122,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, group = (struct ocfs2_group_desc *)group_bh->b_data; + old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc; /* update the group first. */ num_bits = new_clusters * cl_bpc; le16_add_cpu(&group->bg_bits, num_bits); @@ -129,7 +138,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle, group, new_clusters, first_new_cluster, - cl_cpg, 1); + cl_cpg, old_bg_clusters, 1); le16_add_cpu(&group->bg_free_bits_count, -1 * backups); } @@ -169,7 +178,7 @@ out_rollback: group, new_clusters, first_new_cluster, - cl_cpg, 0); + cl_cpg, old_bg_clusters, 0); le16_add_cpu(&group->bg_free_bits_count, backups); le16_add_cpu(&group->bg_bits, -1 * num_bits); le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits); diff --git a/fs/splice.c b/fs/splice.c index 286417764d6b..8b97331b3b14 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -850,6 +850,13 @@ EXPORT_SYMBOL(splice_from_pipe_feed); */ int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) { + /* + * Check for signal early to make process killable when there are + * always buffers available + */ + if (signal_pending(current)) + return -ERESTARTSYS; + while (!pipe->nrbufs) { if (!pipe->writers) return 0; @@ -928,6 +935,7 @@ ssize_t __splice_from_pipe(struct pipe_inode_info *pipe, struct splice_desc *sd, splice_from_pipe_begin(sd); do { + cond_resched(); ret = splice_from_pipe_next(pipe, sd); if (ret > 0) ret = splice_from_pipe_feed(pipe, sd, actor); diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 3da5ce25faf0..fcdd63c71a2b 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -176,14 +176,8 @@ void sysv_set_inode(struct inode *inode, dev_t rdev) inode->i_fop = &sysv_dir_operations; inode->i_mapping->a_ops = &sysv_aops; } else if (S_ISLNK(inode->i_mode)) { - if (inode->i_blocks) { - inode->i_op = &sysv_symlink_inode_operations; - inode->i_mapping->a_ops = &sysv_aops; - } else { - inode->i_op = &sysv_fast_symlink_inode_operations; - nd_terminate_link(SYSV_I(inode)->i_data, inode->i_size, - sizeof(SYSV_I(inode)->i_data) - 1); - } + inode->i_op = &sysv_symlink_inode_operations; + inode->i_mapping->a_ops = &sysv_aops; } else init_special_inode(inode, inode->i_mode, rdev); } diff --git a/include/linux/acpi.h b/include/linux/acpi.h index f421dd84f29d..668351a6a683 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -110,6 +110,12 @@ int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; extern u32 acpi_irq_not_handled; +extern unsigned int acpi_sci_irq; +#define INVALID_ACPI_IRQ ((unsigned)-1) +static inline bool acpi_sci_irq_valid(void) +{ + return acpi_sci_irq != INVALID_ACPI_IRQ; +} extern int sbf_port; extern unsigned long acpi_realmode_flags; diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h index 9a33c5f7e126..f6c229e2bffa 100644 --- a/include/linux/enclosure.h +++ b/include/linux/enclosure.h @@ -29,7 +29,11 @@ /* A few generic types ... taken from ses-2 */ enum enclosure_component_type { ENCLOSURE_COMPONENT_DEVICE = 0x01, + ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07, + ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14, + ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15, ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17, + ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18, }; /* ses-2 common element status */ diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 2179d78b6ea6..ee8090f33757 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -954,6 +954,7 @@ struct journal_s #define JBD2_ABORT_ON_SYNCDATA_ERR 0x040 /* Abort the journal on file * data write error in ordered * mode */ +#define JBD2_REC_ERR 0x080 /* The errno in the sb has been recorded */ /* * Function declarations for the journaling transaction and buffer diff --git a/include/linux/mm.h b/include/linux/mm.h index ceebf63ef5da..ef706abe56be 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1525,6 +1525,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address, #define FOLL_MLOCK 0x40 /* mark page as mlocked */ #define FOLL_SPLIT 0x80 /* don't return transhuge pages, split them */ #define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */ +#define FOLL_COW 0x4000 /* internal GUP flag */ typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 0972470bb072..a67e7d13008b 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -30,9 +30,6 @@ descriptor */ #define USB_QUIRK_DELAY_INIT 0x00000040 -/* device generates spurious wakeup, ignore remote wakeup capability */ -#define USB_QUIRK_IGNORE_REMOTE_WAKEUP 0x00000200 - /* device can't handle device_qualifier descriptor requests */ #define USB_QUIRK_DEVICE_QUALIFIER 0x00000100 diff --git a/include/net/af_unix.h b/include/net/af_unix.h index d29a576e4a16..f3cbf1c14fda 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -56,9 +56,10 @@ struct unix_sock { struct list_head link; atomic_long_t inflight; spinlock_t lock; - unsigned int gc_candidate : 1; - unsigned int gc_maybe_cycle : 1; unsigned char recursion_level; + unsigned long gc_flags; +#define UNIX_GC_CANDIDATE 0 +#define UNIX_GC_MAYBE_CYCLE 1 struct socket_wq peer_wq; wait_queue_t peer_wake; }; diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 49c4cfe810d2..acaab5e569e1 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -37,6 +37,7 @@ struct fib6_config { int fc_ifindex; u32 fc_flags; u32 fc_protocol; + u32 fc_type; /* only 8 bits are used */ struct in6_addr fc_dst; struct in6_addr fc_src; diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 6f9c25a76cd1..cd205e939c71 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -117,7 +117,9 @@ static inline struct neighbour *__ipv6_neigh_lookup(struct neigh_table *tbl, str } extern int ndisc_init(void); +extern int ndisc_late_init(void); +extern void ndisc_late_cleanup(void); extern void ndisc_cleanup(void); extern int ndisc_rcv(struct sk_buff *skb); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 4ea0ec64eada..e60eb4036c0d 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1587,7 +1587,8 @@ struct sctp_association { * : order. When DATA chunks are out of order, * : SACK's are not delayed (see Section 6). */ - __u8 sack_needed; /* Do we need to sack the peer? */ + __u8 sack_needed:1, /* Do we need to sack the peer? */ + zero_window_announced:1; __u32 sack_cnt; /* These are capabilities which our peer advertised. */ diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h index 7d28aff605c7..7dc685b4057d 100644 --- a/include/xen/interface/io/ring.h +++ b/include/xen/interface/io/ring.h @@ -181,6 +181,20 @@ struct __name##_back_ring { \ #define RING_GET_REQUEST(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) +/* + * Get a local copy of a request. + * + * Use this in preference to RING_GET_REQUEST() so all processing is + * done on a local copy that cannot be modified by the other end. + * + * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this + * to be ineffective where _req is a struct which consists of only bitfields. + */ +#define RING_COPY_REQUEST(_r, _idx, _req) do { \ + /* Use volatile to force the copy into _req. */ \ + *(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx); \ +} while (0) + #define RING_GET_RESPONSE(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) diff --git a/kernel/events/core.c b/kernel/events/core.c index 2e6c24843eb6..4713480bfe14 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5366,6 +5366,10 @@ static int perf_tp_filter_match(struct perf_event *event, { void *record = data->raw->data; + /* only top level events have filters set */ + if (event->parent) + event = event->parent; + if (likely(!event->filter) || filter_match_preds(event->filter, record)) return 1; return 0; diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 9baa6315acf5..43e4342d56a5 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1181,6 +1181,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) if (!desc) return NULL; + chip_bus_lock(desc); raw_spin_lock_irqsave(&desc->lock, flags); /* @@ -1194,7 +1195,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) if (!action) { WARN(1, "Trying to free already-free IRQ %d\n", irq); raw_spin_unlock_irqrestore(&desc->lock, flags); - + chip_bus_sync_unlock(desc); return NULL; } @@ -1223,6 +1224,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id) #endif raw_spin_unlock_irqrestore(&desc->lock, flags); + chip_bus_sync_unlock(desc); unregister_handler_proc(irq, action); @@ -1296,9 +1298,7 @@ void free_irq(unsigned int irq, void *dev_id) desc->affinity_notify = NULL; #endif - chip_bus_lock(desc); kfree(__free_irq(irq, dev_id)); - chip_bus_sync_unlock(desc); } EXPORT_SYMBOL(free_irq); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 609a22630674..e29d8005328d 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5931,11 +5931,11 @@ static int init_rootdomain(struct root_domain *rd) { memset(rd, 0, sizeof(*rd)); - if (!alloc_cpumask_var(&rd->span, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->span, GFP_KERNEL)) goto out; - if (!alloc_cpumask_var(&rd->online, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->online, GFP_KERNEL)) goto free_span; - if (!alloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) + if (!zalloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) goto free_online; if (cpupri_init(&rd->cpupri) != 0) diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index e32587e7a6ca..ea8d82ee797d 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -34,6 +34,7 @@ unsigned long tick_nsec; static u64 tick_length; static u64 tick_length_base; +#define SECS_PER_DAY 86400 #define MAX_TICKADJ 500LL /* usecs */ #define MAX_TICKADJ_SCALED \ (((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ) @@ -78,6 +79,9 @@ static long time_adjust; /* constant (boot-param configurable) NTP tick adjustment (upscaled) */ static s64 ntp_tick_adj; +/* second value of the next pending leapsecond, or KTIME_MAX if no leap */ +static s64 ntp_next_leap_sec = KTIME_MAX; + #ifdef CONFIG_NTP_PPS /* @@ -354,6 +358,8 @@ void ntp_clear(void) time_maxerror = NTP_PHASE_LIMIT; time_esterror = NTP_PHASE_LIMIT; + ntp_next_leap_sec = KTIME_MAX; + ntp_update_frequency(); tick_length = tick_length_base; @@ -377,6 +383,21 @@ u64 ntp_tick_length(void) return ret; } +/** + * ntp_get_next_leap - Returns the next leapsecond in CLOCK_REALTIME ktime_t + * + * Provides the time of the next leapsecond against CLOCK_REALTIME in + * a ktime_t format. Returns KTIME_MAX if no leapsecond is pending. + */ +ktime_t ntp_get_next_leap(void) +{ + ktime_t ret; + + if ((time_state == TIME_INS) && (time_status & STA_INS)) + return ktime_set(ntp_next_leap_sec, 0); + ret.tv64 = KTIME_MAX; + return ret; +} /* * this routine handles the overflow of the microsecond field @@ -403,15 +424,21 @@ int second_overflow(unsigned long secs) */ switch (time_state) { case TIME_OK: - if (time_status & STA_INS) + if (time_status & STA_INS) { time_state = TIME_INS; - else if (time_status & STA_DEL) + ntp_next_leap_sec = secs + SECS_PER_DAY - + (secs % SECS_PER_DAY); + } else if (time_status & STA_DEL) { time_state = TIME_DEL; + ntp_next_leap_sec = secs + SECS_PER_DAY - + ((secs+1) % SECS_PER_DAY); + } break; case TIME_INS: - if (!(time_status & STA_INS)) + if (!(time_status & STA_INS)) { + ntp_next_leap_sec = KTIME_MAX; time_state = TIME_OK; - else if (secs % 86400 == 0) { + } else if (secs % SECS_PER_DAY == 0) { leap = -1; time_state = TIME_OOP; time_tai++; @@ -420,10 +447,12 @@ int second_overflow(unsigned long secs) } break; case TIME_DEL: - if (!(time_status & STA_DEL)) + if (!(time_status & STA_DEL)) { + ntp_next_leap_sec = KTIME_MAX; time_state = TIME_OK; - else if ((secs + 1) % 86400 == 0) { + } else if ((secs + 1) % SECS_PER_DAY == 0) { leap = 1; + ntp_next_leap_sec = KTIME_MAX; time_tai--; time_state = TIME_WAIT; printk(KERN_NOTICE @@ -431,6 +460,7 @@ int second_overflow(unsigned long secs) } break; case TIME_OOP: + ntp_next_leap_sec = KTIME_MAX; time_state = TIME_WAIT; break; @@ -549,6 +579,7 @@ static inline void process_adj_status(struct timex *txc, struct timespec *ts) if ((time_status & STA_PLL) && !(txc->status & STA_PLL)) { time_state = TIME_OK; time_status = STA_UNSYNC; + ntp_next_leap_sec = KTIME_MAX; /* restart PPS frequency calibration */ pps_reset_freq_interval(); } @@ -619,7 +650,7 @@ static inline void process_adjtimex_modes(struct timex *txc, struct timespec *ts * adjtimex mainly allows reading (and writing, if superuser) of * kernel time-keeping variables. used by xntpd. */ -int do_adjtimex(struct timex *txc) +int __do_adjtimex(struct timex *txc) { struct timespec ts; int result; diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 32f0cb8f1fe8..a72f63e2f285 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -21,6 +21,9 @@ #include #include +extern ktime_t ntp_get_next_leap(void); +extern int __do_adjtimex(struct timex *); + /* Structure holding internal timekeeping values. */ struct timekeeper { /* Current clocksource used for timekeeping. */ @@ -30,6 +33,8 @@ struct timekeeper { /* The shift value of the current clocksource. */ int shift; + /* CLOCK_MONOTONIC time value of a pending leap-second*/ + ktime_t next_leap_ktime; /* Number of clock cycles in one NTP interval. */ cycle_t cycle_interval; /* Number of clock shifted nano seconds in one NTP interval. */ @@ -186,6 +191,17 @@ static void update_rt_offset(void) timekeeper.offs_real = timespec_to_ktime(tmp); } +/* + * tk_update_leap_state - helper to update the next_leap_ktime + */ +static inline void tk_update_leap_state(struct timekeeper *tk) +{ + tk->next_leap_ktime = ntp_get_next_leap(); + if (tk->next_leap_ktime.tv64 != KTIME_MAX) + /* Convert to monotonic time */ + tk->next_leap_ktime = ktime_sub(tk->next_leap_ktime, tk->offs_real); +} + /* must hold write on timekeeper.lock */ static void timekeeping_update(bool clearntp) { @@ -193,6 +209,7 @@ static void timekeeping_update(bool clearntp) timekeeper.ntp_error = 0; ntp_clear(); } + tk_update_leap_state(&timekeeper); update_rt_offset(); update_vsyscall(&timekeeper.xtime, &timekeeper.wall_to_monotonic, timekeeper.clock, timekeeper.mult); @@ -1329,10 +1346,16 @@ ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot) *offs_real = timekeeper.offs_real; *offs_boot = timekeeper.offs_boot; + + now = ktime_add_ns(ktime_set(secs, 0), nsecs); + now = ktime_sub(now, *offs_real); + + /* Handle leapsecond insertion adjustments */ + if (unlikely(now.tv64 >= timekeeper.next_leap_ktime.tv64)) + *offs_real = ktime_sub(timekeeper.offs_real, ktime_set(1, 0)); + } while (read_seqretry(&timekeeper.lock, seq)); - now = ktime_add_ns(ktime_set(secs, 0), nsecs); - now = ktime_sub(now, *offs_real); return now; } #endif @@ -1354,6 +1377,16 @@ ktime_t ktime_get_monotonic_offset(void) } EXPORT_SYMBOL_GPL(ktime_get_monotonic_offset); +/* + * do_adjtimex() - Accessor function to NTP __do_adjtimex function + */ +int do_adjtimex(struct timex *txc) +{ + int ret; + ret = __do_adjtimex(txc); + tk_update_leap_state(&timekeeper); + return ret; +} /** * xtime_update() - advances the timekeeping infrastructure diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index bd0f1c499e0a..6cbd36f422e6 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1549,12 +1549,6 @@ rb_set_commit_to_write(struct ring_buffer_per_cpu *cpu_buffer) goto again; } -static void rb_reset_reader_page(struct ring_buffer_per_cpu *cpu_buffer) -{ - cpu_buffer->read_stamp = cpu_buffer->reader_page->page->time_stamp; - cpu_buffer->reader_page->read = 0; -} - static void rb_inc_iter(struct ring_buffer_iter *iter) { struct ring_buffer_per_cpu *cpu_buffer = iter->cpu_buffer; @@ -3094,7 +3088,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) /* Finally update the reader page to the new head */ cpu_buffer->reader_page = reader; - rb_reset_reader_page(cpu_buffer); + cpu_buffer->reader_page->read = 0; if (overwrite != cpu_buffer->last_overrun) { cpu_buffer->lost_events = overwrite - cpu_buffer->last_overrun; @@ -3104,6 +3098,10 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) goto again; out: + /* Update the read_stamp on the first event */ + if (reader && reader->read == 0) + cpu_buffer->read_stamp = reader->page->time_stamp; + arch_spin_unlock(&cpu_buffer->lock); local_irq_restore(flags); diff --git a/lib/devres.c b/lib/devres.c index 80b9c76d436a..584c2dcfcb03 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -390,7 +390,7 @@ void pcim_iounmap_regions(struct pci_dev *pdev, int mask) if (!iomap) return; - for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) { + for (i = 0; i < PCIM_IOMAP_MAX; i++) { if (!(mask & (1 << i))) continue; diff --git a/mm/backing-dev.c b/mm/backing-dev.c index dd8e2aafb07e..0e51d2e808ab 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -843,8 +843,9 @@ EXPORT_SYMBOL(congestion_wait); * jiffies for either a BDI to exit congestion of the given @sync queue * or a write to complete. * - * In the absence of zone congestion, cond_resched() is called to yield - * the processor if necessary but otherwise does not sleep. + * In the absence of zone congestion, a short sleep or a cond_resched is + * performed to yield the processor and to allow other subsystems to make + * a forward progress. * * The return value is 0 if the sleep is for the full timeout. Otherwise, * it is the number of jiffies that were still remaining when the function @@ -864,7 +865,19 @@ long wait_iff_congested(struct zone *zone, int sync, long timeout) */ if (atomic_read(&nr_bdi_congested[sync]) == 0 || !zone_is_reclaim_congested(zone)) { - cond_resched(); + + /* + * Memory allocation/reclaim might be called from a WQ + * context and the current implementation of the WQ + * concurrency control doesn't recognize that a particular + * WQ is congested if the worker thread is looping without + * ever sleeping. Therefore we have to do a short sleep + * here rather than calling cond_resched(). + */ + if (current->flags & PF_WQ_WORKER) + schedule_timeout_uninterruptible(1); + else + cond_resched(); /* In case we scheduled, work out time remaining */ ret = timeout - (jiffies - start); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e622aab7fd8c..6726bfea8623 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2835,12 +2835,12 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, } else if (unlikely(is_hugetlb_entry_hwpoisoned(entry))) return VM_FAULT_HWPOISON_LARGE | VM_FAULT_SET_HINDEX(h - hstates); + } else { + ptep = huge_pte_alloc(mm, address, huge_page_size(h)); + if (!ptep) + return VM_FAULT_OOM; } - ptep = huge_pte_alloc(mm, address, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; - /* * Serialize hugepage allocation and instantiation, so that we don't * get spurious allocation failures if two CPUs race to instantiate @@ -2929,13 +2929,17 @@ out_page_table_lock: unlock_page(pagecache_page); put_page(pagecache_page); } - if (page != pagecache_page) - unlock_page(page); - put_page(page); - out_mutex: mutex_unlock(&hugetlb_instantiation_mutex); - + /* + * Generally it's safe to hold refcount during waiting page lock. But + * here we just wait to defer the next page fault to avoid busy loop and + * the page is not used after unlocked before returning from the current + * page fault. So we are safe from accessing freed page, even if we wait + * here without taking refcount. + */ + if (need_wait_lock) + wait_on_page_locked(page); return ret; } diff --git a/mm/memory.c b/mm/memory.c index 4774579d8acb..97019112eac4 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1447,6 +1447,24 @@ int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, } EXPORT_SYMBOL_GPL(zap_vma_ptes); +static inline bool can_follow_write_pte(pte_t pte, struct page *page, + unsigned int flags) +{ + if (pte_write(pte)) + return true; + + /* + * Make sure that we are really following CoWed page. We do not really + * have to care about exclusiveness of the page because we only want + * to ensure that once COWed page hasn't disappeared in the meantime + * or it hasn't been merged to a KSM page. + */ + if ((flags & FOLL_FORCE) && (flags & FOLL_COW)) + return page && PageAnon(page) && !PageKsm(page); + + return false; +} + /** * follow_page - look up a page descriptor from a user-virtual address * @vma: vm_area_struct mapping @address @@ -1529,10 +1547,13 @@ split_fallthrough: pte = *ptep; if (!pte_present(pte)) goto no_page; - if ((flags & FOLL_WRITE) && !pte_write(pte)) - goto unlock; page = vm_normal_page(vma, address, pte); + if ((flags & FOLL_WRITE) && !can_follow_write_pte(pte, page, flags)) { + pte_unmap_unlock(ptep, ptl); + return NULL; + } + if (unlikely(!page)) { if ((flags & FOLL_DUMP) || !is_zero_pfn(pte_pfn(pte))) @@ -1575,7 +1596,7 @@ split_fallthrough: unlock_page(page); } } -unlock: + pte_unmap_unlock(ptep, ptl); out: return page; @@ -1809,17 +1830,13 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, * The VM_FAULT_WRITE bit tells us that * do_wp_page has broken COW when necessary, * even if maybe_mkwrite decided not to set - * pte_write. We can thus safely do subsequent - * page lookups as if they were reads. But only - * do so when looping for pte_write is futile: - * in some cases userspace may also be wanting - * to write to the gotten user page, which a - * read fault here might prevent (a readonly - * page might get reCOWed by userspace write). + * pte_write. We cannot simply drop FOLL_WRITE + * here because the COWed page might be gone by + * the time we do the subsequent page lookups. */ if ((ret & VM_FAULT_WRITE) && !(vma->vm_flags & VM_WRITE)) - foll_flags &= ~FOLL_WRITE; + foll_flags |= FOLL_COW; cond_resched(); } diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 09d87b709179..223232a8c98c 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -716,23 +716,30 @@ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) */ static int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn) { - unsigned long pfn; + unsigned long pfn, sec_end_pfn; struct zone *zone = NULL; struct page *page; int i; - for (pfn = start_pfn; + for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn); pfn < end_pfn; - pfn += MAX_ORDER_NR_PAGES) { - i = 0; - /* This is just a CONFIG_HOLES_IN_ZONE check.*/ - while ((i < MAX_ORDER_NR_PAGES) && !pfn_valid_within(pfn + i)) - i++; - if (i == MAX_ORDER_NR_PAGES) + pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) { + /* Make sure the memory section is present first */ + if (!present_section_nr(pfn_to_section_nr(pfn))) continue; - page = pfn_to_page(pfn + i); - if (zone && page_zone(page) != zone) - return 0; - zone = page_zone(page); + for (; pfn < sec_end_pfn && pfn < end_pfn; + pfn += MAX_ORDER_NR_PAGES) { + i = 0; + /* This is just a CONFIG_HOLES_IN_ZONE check.*/ + while ((i < MAX_ORDER_NR_PAGES) && + !pfn_valid_within(pfn + i)) + i++; + if (i == MAX_ORDER_NR_PAGES) + continue; + page = pfn_to_page(pfn + i); + if (zone && page_zone(page) != zone) + return 0; + zone = page_zone(page); + } } return 1; } diff --git a/mm/vmstat.c b/mm/vmstat.c index 7db1b9bab492..e89c0f6d9f9f 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1139,13 +1139,14 @@ static const struct file_operations proc_vmstat_file_operations = { #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_SMP +static struct workqueue_struct *vmstat_wq; static DEFINE_PER_CPU(struct delayed_work, vmstat_work); int sysctl_stat_interval __read_mostly = HZ; static void vmstat_update(struct work_struct *w) { refresh_cpu_vm_stats(smp_processor_id()); - schedule_delayed_work(&__get_cpu_var(vmstat_work), + queue_delayed_work(vmstat_wq, &__get_cpu_var(vmstat_work), round_jiffies_relative(sysctl_stat_interval)); } @@ -1154,7 +1155,7 @@ static void __cpuinit start_cpu_timer(int cpu) struct delayed_work *work = &per_cpu(vmstat_work, cpu); INIT_DELAYED_WORK_DEFERRABLE(work, vmstat_update); - schedule_delayed_work_on(cpu, work, __round_jiffies_relative(HZ, cpu)); + queue_delayed_work_on(cpu, vmstat_wq, work, __round_jiffies_relative(HZ, cpu)); } /* @@ -1204,6 +1205,7 @@ static int __init setup_vmstat(void) register_cpu_notifier(&vmstat_notifier); + vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); for_each_online_cpu(cpu) start_cpu_timer(cpu); #endif diff --git a/net/core/datagram.c b/net/core/datagram.c index ba96ad93d136..bc412ca9041e 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -695,7 +695,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) if (likely(!sum)) { if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE)) netdev_rx_csum_fault(skb->dev); - skb->ip_summed = CHECKSUM_UNNECESSARY; + if (!skb_shared(skb)) + skb->ip_summed = CHECKSUM_UNNECESSARY; } return sum; } diff --git a/net/core/dev.c b/net/core/dev.c index 4f679bf4f12e..573d62b9cbeb 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5368,6 +5368,9 @@ int __netdev_update_features(struct net_device *dev) netdev_err(dev, "set_features() failed (%d); wanted %pNF, left %pNF\n", err, &features, &dev->features); + /* return non-0 since some features might have changed and + * it's better to fire a spurious notification than miss it + */ return -1; } diff --git a/net/core/dst.c b/net/core/dst.c index 43d94cedbf7c..48cff898b5a4 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -269,10 +269,11 @@ void dst_release(struct dst_entry *dst) { if (dst) { int newrefcnt; + unsigned short nocache = dst->flags & DST_NOCACHE; newrefcnt = atomic_dec_return(&dst->__refcnt); WARN_ON(newrefcnt < 0); - if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) { + if (!newrefcnt && unlikely(nocache)) { dst = dst_destroy(dst); if (dst) __dst_free(dst); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index ebd4b21cb9d4..dbd00dfbc6ce 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2186,7 +2186,7 @@ static int pneigh_fill_info(struct sk_buff *skb, struct pneigh_entry *pn, ndm->ndm_pad2 = 0; ndm->ndm_flags = pn->flags | NTF_PROXY; ndm->ndm_type = NDA_DST; - ndm->ndm_ifindex = pn->dev->ifindex; + ndm->ndm_ifindex = pn->dev ? pn->dev->ifindex : 0; ndm->ndm_state = NUD_NONE; NLA_PUT(skb, NDA_DST, tbl->key_len, pn->key); @@ -2259,7 +2259,7 @@ static int pneigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb, if (h > s_h) s_idx = 0; for (n = tbl->phash_buckets[h], idx = 0; n; n = n->next) { - if (dev_net(n->dev) != net) + if (pneigh_net(n) != net) continue; if (idx < s_idx) goto next; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2d3290496a0a..55b08e09f0c8 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -89,7 +89,7 @@ int sysctl_tcp_adv_win_scale __read_mostly = 1; EXPORT_SYMBOL(sysctl_tcp_adv_win_scale); /* rfc5961 challenge ack rate limiting */ -int sysctl_tcp_challenge_ack_limit = 100; +int sysctl_tcp_challenge_ack_limit = 1000; int sysctl_tcp_stdurg __read_mostly; int sysctl_tcp_rfc1337 __read_mostly; @@ -3701,13 +3701,18 @@ static void tcp_send_challenge_ack(struct sock *sk) /* unprotected vars, we dont care of overwrites */ static u32 challenge_timestamp; static unsigned int challenge_count; - u32 now = jiffies / HZ; + u32 count, now = jiffies / HZ; if (now != challenge_timestamp) { + u32 half = (sysctl_tcp_challenge_ack_limit + 1) >> 1; + challenge_timestamp = now; - challenge_count = 0; + ACCESS_ONCE(challenge_count) = half + + (u32)(((u64)random32() * sysctl_tcp_challenge_ack_limit) >> 32); } - if (++challenge_count <= sysctl_tcp_challenge_ack_limit) { + count = ACCESS_ONCE(challenge_count); + if (count > 0) { + ACCESS_ONCE(challenge_count) = count - 1; NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPCHALLENGEACK); tcp_send_ack(sk); } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 727678dc7968..6e212f7a5782 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -983,7 +983,8 @@ int tcp_md5_do_add(struct sock *sk, const union tcp_md5_addr *addr, } md5sig = rcu_dereference_protected(tp->md5sig_info, - sock_owned_by_user(sk)); + sock_owned_by_user(sk) || + lockdep_is_held(&sk->sk_lock.slock)); if (!md5sig) { md5sig = kmalloc(sizeof(*md5sig), gfp); if (!md5sig) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 5f8c20b67da2..8629205717b5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1175,6 +1175,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, int peeked, off = 0; int err; int is_udplite = IS_UDPLITE(sk); + bool checksum_valid = false; bool slow; if (flags & MSG_ERRQUEUE) @@ -1200,11 +1201,12 @@ try_again: */ if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) { - if (udp_lib_checksum_complete(skb)) + checksum_valid = !udp_lib_checksum_complete(skb); + if (!checksum_valid) goto csum_copy_err; } - if (skb_csum_unnecessary(skb)) + if (checksum_valid || skb_csum_unnecessary(skb)) err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov, copied); else { diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c index 2d8ddba9ee58..c8c6a121298b 100644 --- a/net/ipv6/addrlabel.c +++ b/net/ipv6/addrlabel.c @@ -558,7 +558,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh, rcu_read_lock(); p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index); - if (p && ip6addrlbl_hold(p)) + if (p && !ip6addrlbl_hold(p)) p = NULL; lseq = ip6addrlbl_table.seq; rcu_read_unlock(); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 5300ef35fd41..8ddb56ff0c7a 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -1161,6 +1161,9 @@ static int __init inet6_init(void) err = ip6_route_init(); if (err) goto ip6_route_fail; + err = ndisc_late_init(); + if (err) + goto ndisc_late_fail; err = ip6_flowlabel_init(); if (err) goto ip6_flowlabel_fail; @@ -1221,6 +1224,8 @@ ipv6_exthdrs_fail: addrconf_fail: ip6_flowlabel_cleanup(); ip6_flowlabel_fail: + ndisc_late_cleanup(); +ndisc_late_fail: ip6_route_cleanup(); ip6_route_fail: #ifdef CONFIG_PROC_FS @@ -1288,6 +1293,7 @@ static void __exit inet6_exit(void) ipv6_exthdrs_exit(); addrconf_cleanup(); ip6_flowlabel_cleanup(); + ndisc_late_cleanup(); ip6_route_cleanup(); #ifdef CONFIG_PROC_FS diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index fc5ce6e9dc6f..e6b7a0031a14 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1595,6 +1595,8 @@ static DEFINE_SPINLOCK(fib6_gc_lock); void fib6_run_gc(unsigned long expires, struct net *net, bool force) { + unsigned long now; + if (force) { spin_lock_bh(&fib6_gc_lock); } else if (!spin_trylock_bh(&fib6_gc_lock)) { @@ -1607,10 +1609,12 @@ void fib6_run_gc(unsigned long expires, struct net *net, bool force) gc_args.more = icmp6_dst_gc(); fib6_clean_all(net, fib6_age, 0, NULL); + now = jiffies; + net->ipv6.ip6_rt_last_gc = now; if (gc_args.more) mod_timer(&net->ipv6.ip6_fib_timer, - round_jiffies(jiffies + round_jiffies(now + net->ipv6.sysctl.ip6_rt_gc_interval)); else del_timer(&net->ipv6.ip6_fib_timer); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index abe1f768b5b6..c5fa9df58e53 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -117,7 +117,7 @@ static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm); static int ip6mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb); -static void mroute_clean_tables(struct mr6_table *mrt); +static void mroute_clean_tables(struct mr6_table *mrt, bool all); static void ipmr_expire_process(unsigned long arg); #ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES @@ -333,8 +333,8 @@ static struct mr6_table *ip6mr_new_table(struct net *net, u32 id) static void ip6mr_free_table(struct mr6_table *mrt) { - del_timer(&mrt->ipmr_expire_timer); - mroute_clean_tables(mrt); + del_timer_sync(&mrt->ipmr_expire_timer); + mroute_clean_tables(mrt, true); kfree(mrt); } @@ -1472,7 +1472,7 @@ static int ip6mr_mfc_add(struct net *net, struct mr6_table *mrt, * Close the multicast socket, and clear the vif tables etc */ -static void mroute_clean_tables(struct mr6_table *mrt) +static void mroute_clean_tables(struct mr6_table *mrt, bool all) { int i; LIST_HEAD(list); @@ -1482,8 +1482,9 @@ static void mroute_clean_tables(struct mr6_table *mrt) * Shut down all active vif entries */ for (i = 0; i < mrt->maxvif; i++) { - if (!(mrt->vif6_table[i].flags & VIFF_STATIC)) - mif6_delete(mrt, i, &list); + if (!all && (mrt->vif6_table[i].flags & VIFF_STATIC)) + continue; + mif6_delete(mrt, i, &list); } unregister_netdevice_many(&list); @@ -1492,7 +1493,7 @@ static void mroute_clean_tables(struct mr6_table *mrt) */ for (i = 0; i < MFC6_LINES; i++) { list_for_each_entry_safe(c, next, &mrt->mfc6_cache_array[i], list) { - if (c->mfc_flags & MFC_STATIC) + if (!all && (c->mfc_flags & MFC_STATIC)) continue; write_lock_bh(&mrt_lock); list_del(&c->list); @@ -1546,7 +1547,7 @@ int ip6mr_sk_done(struct sock *sk) net->ipv6.devconf_all->mc_forwarding--; write_unlock_bh(&mrt_lock); - mroute_clean_tables(mrt); + mroute_clean_tables(mrt, false); err = 0; break; } diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index e235b4c2b1be..02e656886c25 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1867,24 +1867,28 @@ int __init ndisc_init(void) if (err) goto out_unregister_pernet; #endif - err = register_netdevice_notifier(&ndisc_netdev_notifier); - if (err) - goto out_unregister_sysctl; out: return err; -out_unregister_sysctl: #ifdef CONFIG_SYSCTL - neigh_sysctl_unregister(&nd_tbl.parms); out_unregister_pernet: -#endif unregister_pernet_subsys(&ndisc_net_ops); goto out; +#endif } -void ndisc_cleanup(void) +int __init ndisc_late_init(void) +{ + return register_netdevice_notifier(&ndisc_netdev_notifier); +} + +void ndisc_late_cleanup(void) { unregister_netdevice_notifier(&ndisc_netdev_notifier); +} + +void ndisc_cleanup(void) +{ #ifdef CONFIG_SYSCTL neigh_sysctl_unregister(&nd_tbl.parms); #endif diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 7ab7f8a5ee4f..794cd2afc66f 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1230,7 +1230,6 @@ static void icmp6_clean_all(int (*func)(struct rt6_info *rt, void *arg), static int ip6_dst_gc(struct dst_ops *ops) { - unsigned long now = jiffies; struct net *net = container_of(ops, struct net, ipv6.ip6_dst_ops); int rt_min_interval = net->ipv6.sysctl.ip6_rt_gc_min_interval; int rt_max_size = net->ipv6.sysctl.ip6_rt_max_size; @@ -1240,13 +1239,12 @@ static int ip6_dst_gc(struct dst_ops *ops) int entries; entries = dst_entries_get_fast(ops); - if (time_after(rt_last_gc + rt_min_interval, now) && + if (time_after(rt_last_gc + rt_min_interval, jiffies) && entries <= rt_max_size) goto out; net->ipv6.ip6_rt_gc_expire++; fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, entries > rt_max_size); - net->ipv6.ip6_rt_last_gc = now; entries = dst_entries_get_slow(ops); if (entries < ops->gc_thresh) net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1; @@ -1401,8 +1399,18 @@ int ip6_route_add(struct fib6_config *cfg) } rt->dst.output = ip6_pkt_discard_out; rt->dst.input = ip6_pkt_discard; - rt->dst.error = -ENETUNREACH; rt->rt6i_flags = RTF_REJECT|RTF_NONEXTHOP; + switch (cfg->fc_type) { + case RTN_BLACKHOLE: + rt->dst.error = -EINVAL; + break; + case RTN_PROHIBIT: + rt->dst.error = -EACCES; + break; + default: + rt->dst.error = -ENETUNREACH; + break; + } goto install_route; } @@ -2345,8 +2353,11 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh, cfg->fc_src_len = rtm->rtm_src_len; cfg->fc_flags = RTF_UP; cfg->fc_protocol = rtm->rtm_protocol; + cfg->fc_type = rtm->rtm_type; - if (rtm->rtm_type == RTN_UNREACHABLE) + if (rtm->rtm_type == RTN_UNREACHABLE || + rtm->rtm_type == RTN_BLACKHOLE || + rtm->rtm_type == RTN_PROHIBIT) cfg->fc_flags |= RTF_REJECT; if (rtm->rtm_type == RTN_LOCAL) @@ -2476,8 +2487,19 @@ static int rt6_fill_node(struct net *net, table = RT6_TABLE_UNSPEC; rtm->rtm_table = table; NLA_PUT_U32(skb, RTA_TABLE, table); - if (rt->rt6i_flags & RTF_REJECT) - rtm->rtm_type = RTN_UNREACHABLE; + if (rt->rt6i_flags & RTF_REJECT) { + switch (rt->dst.error) { + case -EINVAL: + rtm->rtm_type = RTN_BLACKHOLE; + break; + case -EACCES: + rtm->rtm_type = RTN_PROHIBIT; + break; + default: + rtm->rtm_type = RTN_UNREACHABLE; + break; + } + } else if (rt->rt6i_flags & RTF_LOCAL) rtm->rtm_type = RTN_LOCAL; else if (rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK)) diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c index 4f3cec12aa85..aa109da50001 100644 --- a/net/ipv6/tunnel6.c +++ b/net/ipv6/tunnel6.c @@ -145,6 +145,16 @@ static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, break; } +static void tunnel46_err(struct sk_buff *skb, struct inet6_skb_parm *opt, + u8 type, u8 code, int offset, __be32 info) +{ + struct xfrm6_tunnel *handler; + + for_each_tunnel_rcu(tunnel46_handlers, handler) + if (!handler->err_handler(skb, opt, type, code, offset, info)) + break; +} + static const struct inet6_protocol tunnel6_protocol = { .handler = tunnel6_rcv, .err_handler = tunnel6_err, @@ -153,7 +163,7 @@ static const struct inet6_protocol tunnel6_protocol = { static const struct inet6_protocol tunnel46_protocol = { .handler = tunnel46_rcv, - .err_handler = tunnel6_err, + .err_handler = tunnel46_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 2f99b12b717e..ea5023ba9532 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -345,6 +345,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk, int peeked, off = 0; int err; int is_udplite = IS_UDPLITE(sk); + bool checksum_valid = false; int is_udp4; bool slow; @@ -376,11 +377,12 @@ try_again: */ if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) { - if (udp_lib_checksum_complete(skb)) + checksum_valid = !udp_lib_checksum_complete(skb); + if (!checksum_valid) goto csum_copy_err; } - if (skb_csum_unnecessary(skb)) + if (checksum_valid || skb_csum_unnecessary(skb)) err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov, copied ); else { diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 49aaefd99635..7ed81ee4d6a2 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -757,10 +757,8 @@ void mesh_plink_broken(struct sta_info *sta) static void mesh_path_node_reclaim(struct rcu_head *rp) { struct mpath_node *node = container_of(rp, struct mpath_node, rcu); - struct ieee80211_sub_if_data *sdata = node->mpath->sdata; del_timer_sync(&node->mpath->timer); - atomic_dec(&sdata->u.mesh.mpaths); kfree(node->mpath); kfree(node); } @@ -768,8 +766,9 @@ static void mesh_path_node_reclaim(struct rcu_head *rp) /* needs to be called with the corresponding hashwlock taken */ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node) { - struct mesh_path *mpath; - mpath = node->mpath; + struct mesh_path *mpath = node->mpath; + struct ieee80211_sub_if_data *sdata = node->mpath->sdata; + spin_lock(&mpath->state_lock); mpath->flags |= MESH_PATH_RESOLVING; if (mpath->is_gate) @@ -777,6 +776,7 @@ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node) hlist_del_rcu(&node->list); call_rcu(&node->rcu, mesh_path_node_reclaim); spin_unlock(&mpath->state_lock); + atomic_dec(&sdata->u.mesh.mpaths); atomic_dec(&tbl->entries); } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index abc31d7bd2a5..1dae14232a52 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2384,7 +2384,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold && ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) { - int sig = ifmgd->ave_beacon_signal; + int sig = ifmgd->ave_beacon_signal / 16; int last_sig = ifmgd->last_ave_beacon_signal; /* diff --git a/net/rfkill/core.c b/net/rfkill/core.c index f974961754ca..feef1a459b53 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -51,7 +51,6 @@ struct rfkill { spinlock_t lock; - const char *name; enum rfkill_type type; unsigned long state; @@ -75,6 +74,7 @@ struct rfkill { struct delayed_work poll_work; struct work_struct uevent_work; struct work_struct sync_work; + char name[]; }; #define to_rfkill(d) container_of(d, struct rfkill, dev) @@ -849,14 +849,14 @@ struct rfkill * __must_check rfkill_alloc(const char *name, if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES)) return NULL; - rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL); + rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL); if (!rfkill) return NULL; spin_lock_init(&rfkill->lock); INIT_LIST_HEAD(&rfkill->node); rfkill->type = type; - rfkill->name = name; + strcpy(rfkill->name, name); rfkill->ops = ops; rfkill->data = ops_data; diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 333926d4d356..075e3537d5b9 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -804,8 +804,8 @@ int sctp_auth_ep_set_hmacs(struct sctp_endpoint *ep, if (!has_sha1) return -EINVAL; - memcpy(ep->auth_hmacs_list->hmac_ids, &hmacs->shmac_idents[0], - hmacs->shmac_num_idents * sizeof(__u16)); + for (i = 0; i < hmacs->shmac_num_idents; i++) + ep->auth_hmacs_list->hmac_ids[i] = htons(hmacs->shmac_idents[i]); ep->auth_hmacs_list->param_hdr.length = htons(sizeof(sctp_paramhdr_t) + hmacs->shmac_num_idents * sizeof(__u16)); return 0; diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 3dd7207d33ad..7b285462c88e 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -1265,6 +1265,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack) */ sack_a_rwnd = ntohl(sack->a_rwnd); + asoc->peer.zero_window_announced = !sack_a_rwnd; outstanding = q->outstanding_bytes; if (outstanding < sack_a_rwnd) diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 5fa033ac59e5..06c75b1a5a21 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -249,11 +249,12 @@ void sctp_generate_t3_rtx_event(unsigned long peer) int error; struct sctp_transport *transport = (struct sctp_transport *) peer; struct sctp_association *asoc = transport->asoc; + struct sock *sk = asoc->base.sk; /* Check whether a task is in the sock. */ - sctp_bh_lock_sock(asoc->base.sk); - if (sock_owned_by_user(asoc->base.sk)) { + sctp_bh_lock_sock(sk); + if (sock_owned_by_user(sk)) { SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__); /* Try again later. */ @@ -276,10 +277,10 @@ void sctp_generate_t3_rtx_event(unsigned long peer) transport, GFP_ATOMIC); if (error) - asoc->base.sk->sk_err = -error; + sk->sk_err = -error; out_unlock: - sctp_bh_unlock_sock(asoc->base.sk); + sctp_bh_unlock_sock(sk); sctp_transport_put(transport); } @@ -289,10 +290,11 @@ out_unlock: static void sctp_generate_timeout_event(struct sctp_association *asoc, sctp_event_timeout_t timeout_type) { + struct sock *sk = asoc->base.sk; int error = 0; - sctp_bh_lock_sock(asoc->base.sk); - if (sock_owned_by_user(asoc->base.sk)) { + sctp_bh_lock_sock(sk); + if (sock_owned_by_user(sk)) { SCTP_DEBUG_PRINTK("%s:Sock is busy: timer %d\n", __func__, timeout_type); @@ -316,10 +318,10 @@ static void sctp_generate_timeout_event(struct sctp_association *asoc, (void *)timeout_type, GFP_ATOMIC); if (error) - asoc->base.sk->sk_err = -error; + sk->sk_err = -error; out_unlock: - sctp_bh_unlock_sock(asoc->base.sk); + sctp_bh_unlock_sock(sk); sctp_association_put(asoc); } @@ -369,9 +371,10 @@ void sctp_generate_heartbeat_event(unsigned long data) int error = 0; struct sctp_transport *transport = (struct sctp_transport *) data; struct sctp_association *asoc = transport->asoc; + struct sock *sk = asoc->base.sk; - sctp_bh_lock_sock(asoc->base.sk); - if (sock_owned_by_user(asoc->base.sk)) { + sctp_bh_lock_sock(sk); + if (sock_owned_by_user(sk)) { SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__); /* Try again later. */ @@ -392,10 +395,10 @@ void sctp_generate_heartbeat_event(unsigned long data) transport, GFP_ATOMIC); if (error) - asoc->base.sk->sk_err = -error; + sk->sk_err = -error; out_unlock: - sctp_bh_unlock_sock(asoc->base.sk); + sctp_bh_unlock_sock(sk); sctp_transport_put(transport); } @@ -406,9 +409,10 @@ void sctp_generate_proto_unreach_event(unsigned long data) { struct sctp_transport *transport = (struct sctp_transport *) data; struct sctp_association *asoc = transport->asoc; + struct sock *sk = asoc->base.sk; - sctp_bh_lock_sock(asoc->base.sk); - if (sock_owned_by_user(asoc->base.sk)) { + sctp_bh_lock_sock(sk); + if (sock_owned_by_user(sk)) { SCTP_DEBUG_PRINTK("%s:Sock is busy.\n", __func__); /* Try again later. */ @@ -429,7 +433,7 @@ void sctp_generate_proto_unreach_event(unsigned long data) asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC); out_unlock: - sctp_bh_unlock_sock(asoc->base.sk); + sctp_bh_unlock_sock(sk); sctp_association_put(asoc); } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index a6a300630af4..5de7200f07a7 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -5299,7 +5299,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep, SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS); if (asoc->overall_error_count >= asoc->max_retrans) { - if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) { + if (asoc->peer.zero_window_announced && + asoc->state == SCTP_STATE_SHUTDOWN_PENDING) { /* * We are here likely because the receiver had its rwnd * closed for a while and we have not been able to diff --git a/net/socket.c b/net/socket.c index f5ce151e0e3b..1769abc1dd55 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2332,31 +2332,31 @@ 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/unix/garbage.c b/net/unix/garbage.c index b6f4b994eb35..00d3e5678599 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -185,7 +185,7 @@ static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *), * have been added to the queues after * starting the garbage collection */ - if (u->gc_candidate) { + if (test_bit(UNIX_GC_CANDIDATE, &u->gc_flags)) { hit = true; func(u); } @@ -254,7 +254,7 @@ static void inc_inflight_move_tail(struct unix_sock *u) * of the list, so that it's checked even if it was already * passed over */ - if (u->gc_maybe_cycle) + if (test_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags)) list_move_tail(&u->link, &gc_candidates); } @@ -315,8 +315,8 @@ void unix_gc(void) BUG_ON(total_refs < inflight_refs); if (total_refs == inflight_refs) { list_move_tail(&u->link, &gc_candidates); - u->gc_candidate = 1; - u->gc_maybe_cycle = 1; + __set_bit(UNIX_GC_CANDIDATE, &u->gc_flags); + __set_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags); } } @@ -344,7 +344,7 @@ void unix_gc(void) if (atomic_long_read(&u->inflight) > 0) { list_move_tail(&u->link, ¬_cycle_list); - u->gc_maybe_cycle = 0; + __clear_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags); scan_children(&u->sk, inc_inflight_move_tail, NULL); } } @@ -356,7 +356,7 @@ void unix_gc(void) */ while (!list_empty(¬_cycle_list)) { u = list_entry(not_cycle_list.next, struct unix_sock, link); - u->gc_candidate = 0; + __clear_bit(UNIX_GC_CANDIDATE, &u->gc_flags); list_move_tail(&u->link, &gc_inflight_list); } diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c index ee52cb8e17ad..0d5ae4a0f20c 100644 --- a/scripts/recordmcount.c +++ b/scripts/recordmcount.c @@ -35,12 +35,17 @@ static int fd_map; /* File descriptor for file being modified. */ static int mmap_failed; /* Boolean flag. */ -static void *ehdr_curr; /* current ElfXX_Ehdr * for resource cleanup */ static char gpfx; /* prefix for global symbol name (sometimes '_') */ static struct stat sb; /* Remember .st_size, etc. */ static jmp_buf jmpenv; /* setjmp/longjmp per-file error escape */ static const char *altmcount; /* alternate mcount symbol name */ static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */ +static void *file_map; /* pointer of the mapped file */ +static void *file_end; /* pointer to the end of the mapped file */ +static int file_updated; /* flag to state file was changed */ +static void *file_ptr; /* current file pointer location */ +static void *file_append; /* added to the end of the file */ +static size_t file_append_size; /* how much is added to end of file */ /* setjmp() return values */ enum { @@ -54,10 +59,14 @@ static void cleanup(void) { if (!mmap_failed) - munmap(ehdr_curr, sb.st_size); + munmap(file_map, sb.st_size); else - free(ehdr_curr); - close(fd_map); + free(file_map); + file_map = NULL; + free(file_append); + file_append = NULL; + file_append_size = 0; + file_updated = 0; } static void __attribute__((noreturn)) @@ -79,12 +88,22 @@ succeed_file(void) static off_t ulseek(int const fd, off_t const offset, int const whence) { - off_t const w = lseek(fd, offset, whence); - if (w == (off_t)-1) { - perror("lseek"); + switch (whence) { + case SEEK_SET: + file_ptr = file_map + offset; + break; + case SEEK_CUR: + file_ptr += offset; + break; + case SEEK_END: + file_ptr = file_map + (sb.st_size - offset); + break; + } + if (file_ptr < file_map) { + fprintf(stderr, "lseek: seek before file\n"); fail_file(); } - return w; + return file_ptr - file_map; } static size_t @@ -101,12 +120,38 @@ uread(int const fd, void *const buf, size_t const count) static size_t uwrite(int const fd, void const *const buf, size_t const count) { - size_t const n = write(fd, buf, count); - if (n != count) { - perror("write"); - fail_file(); + size_t cnt = count; + off_t idx = 0; + + file_updated = 1; + + if (file_ptr + count >= file_end) { + off_t aoffset = (file_ptr + count) - file_end; + + if (aoffset > file_append_size) { + file_append = realloc(file_append, aoffset); + file_append_size = aoffset; + } + if (!file_append) { + perror("write"); + fail_file(); + } + if (file_ptr < file_end) { + cnt = file_end - file_ptr; + } else { + cnt = 0; + idx = aoffset - count; + } } - return n; + + if (cnt) + memcpy(file_ptr, buf, cnt); + + if (cnt < count) + memcpy(file_append + idx, buf + cnt, count - cnt); + + file_ptr += count; + return count; } static void * @@ -163,9 +208,7 @@ static int make_nop_x86(void *map, size_t const offset) */ static void *mmap_file(char const *fname) { - void *addr; - - fd_map = open(fname, O_RDWR); + fd_map = open(fname, O_RDONLY); if (fd_map < 0 || fstat(fd_map, &sb) < 0) { perror(fname); fail_file(); @@ -174,15 +217,58 @@ static void *mmap_file(char const *fname) fprintf(stderr, "not a regular file: %s\n", fname); fail_file(); } - addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, - fd_map, 0); + file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, + fd_map, 0); mmap_failed = 0; - if (addr == MAP_FAILED) { + if (file_map == MAP_FAILED) { mmap_failed = 1; - addr = umalloc(sb.st_size); - uread(fd_map, addr, sb.st_size); + file_map = umalloc(sb.st_size); + uread(fd_map, file_map, sb.st_size); + } + close(fd_map); + + file_end = file_map + sb.st_size; + + return file_map; +} + +static void write_file(const char *fname) +{ + char tmp_file[strlen(fname) + 4]; + size_t n; + + if (!file_updated) + return; + + sprintf(tmp_file, "%s.rc", fname); + + /* + * After reading the entire file into memory, delete it + * and write it back, to prevent weird side effects of modifying + * an object file in place. + */ + fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode); + if (fd_map < 0) { + perror(fname); + fail_file(); + } + n = write(fd_map, file_map, sb.st_size); + if (n != sb.st_size) { + perror("write"); + fail_file(); + } + if (file_append_size) { + n = write(fd_map, file_append, file_append_size); + if (n != file_append_size) { + perror("write"); + fail_file(); + } + } + close(fd_map); + if (rename(tmp_file, fname) < 0) { + perror(fname); + fail_file(); } - return addr; } /* w8rev, w8nat, ...: Handle endianness. */ @@ -289,7 +375,6 @@ do_file(char const *const fname) Elf32_Ehdr *const ehdr = mmap_file(fname); unsigned int reltype = 0; - ehdr_curr = ehdr; w = w4nat; w2 = w2nat; w8 = w8nat; @@ -401,6 +486,7 @@ do_file(char const *const fname) } } /* end switch */ + write_file(fname); cleanup(); } @@ -453,11 +539,14 @@ main(int argc, char *argv[]) case SJ_SETJMP: /* normal sequence */ /* Avoid problems if early cleanup() */ fd_map = -1; - ehdr_curr = NULL; mmap_failed = 1; + file_map = NULL; + file_ptr = NULL; + file_updated = 0; do_file(file); break; case SJ_FAIL: /* error in do_file or below */ + fprintf(stderr, "%s: failed\n", file); ++n_error; break; case SJ_SUCCEED: /* premature success */ diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h index 5e29610303b0..799d73483fb2 100644 --- a/scripts/recordmcount.h +++ b/scripts/recordmcount.h @@ -375,7 +375,7 @@ static void nop_mcount(Elf_Shdr const *const relhdr, if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) { if (make_nop) - ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset); + ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset)); if (warn_on_notrace_sect && !once) { printf("Section %s has mcount callers being ignored\n", txtname); diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index dfc8c229e355..0ba68b18d696 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -702,16 +702,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen) /* the key is probably readable - now try to read it */ can_read_key: - ret = key_validate(key); - if (ret == 0) { - ret = -EOPNOTSUPP; - if (key->type->read) { - /* read the data with the semaphore held (since we - * might sleep) */ - down_read(&key->sem); + ret = -EOPNOTSUPP; + if (key->type->read) { + /* Read the data with the semaphore held (since we might sleep) + * to protect against the key being updated or revoked. + */ + down_read(&key->sem); + ret = key_validate(key); + if (ret == 0) ret = key->type->read(key, buffer, buflen); - up_read(&key->sem); - } + up_read(&key->sem); } error2: diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f461737e4e6c..833d8355a92d 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -3144,11 +3144,13 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, .class_mask = 0xffffff, .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | + AZX_DCAPS_NO_64BIT | AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, #else /* this entry seems still valid -- i.e. without emu20kx chip */ { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | + AZX_DCAPS_NO_64BIT | AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, #endif /* Vortex86MX */ diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 606f87aa24d9..247b1a155354 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -4932,6 +4932,7 @@ static int find_mute_led_cfg(struct hda_codec *codec, int default_polarity) static int hp_blike_system(u32 subsystem_id) { switch (subsystem_id) { + case 0x103c1473: /* HP ProBook 6550b */ case 0x103c1520: case 0x103c1521: case 0x103c1523: diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index ba894158e76c..03eb085d5066 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -704,10 +704,11 @@ snd_rme96_playback_setrate(struct rme96 *rme96, { /* change to/from double-speed: reset the DAC (if available) */ snd_rme96_reset_dac(rme96); + return 1; /* need to restore volume */ } else { writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); + return 0; } - return 0; } static int @@ -945,6 +946,7 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, struct rme96 *rme96 = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int err, rate, dummy; + bool apply_dac_volume = false; runtime->dma_area = (void __force *)(rme96->iobase + RME96_IO_PLAY_BUFFER); @@ -958,24 +960,26 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, { /* slave clock */ if ((int)params_rate(params) != rate) { - spin_unlock_irq(&rme96->lock); - return -EIO; - } - } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) { - spin_unlock_irq(&rme96->lock); - return err; - } - if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) { - spin_unlock_irq(&rme96->lock); - return err; + err = -EIO; + goto error; + } + } else { + err = snd_rme96_playback_setrate(rme96, params_rate(params)); + if (err < 0) + goto error; + apply_dac_volume = err > 0; /* need to restore volume later? */ } + + err = snd_rme96_playback_setformat(rme96, params_format(params)); + if (err < 0) + goto error; snd_rme96_setframelog(rme96, params_channels(params), 1); if (rme96->capture_periodsize != 0) { if (params_period_size(params) << rme96->playback_frlog != rme96->capture_periodsize) { - spin_unlock_irq(&rme96->lock); - return -EBUSY; + err = -EBUSY; + goto error; } } rme96->playback_periodsize = @@ -986,9 +990,16 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP); writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER); } + + err = 0; + error: spin_unlock_irq(&rme96->lock); - - return 0; + if (apply_dac_volume) { + usleep_range(3000, 10000); + snd_rme96_apply_dac_volume(rme96); + } + + return err; } static int diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 451ec4800f4e..fd06baaeee01 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -363,8 +363,8 @@ static struct reg_default wm8962_reg[] = { { 16924, 0x0059 }, /* R16924 - HDBASS_PG_1 */ { 16925, 0x999A }, /* R16925 - HDBASS_PG_0 */ - { 17048, 0x0083 }, /* R17408 - HPF_C_1 */ - { 17049, 0x98AD }, /* R17409 - HPF_C_0 */ + { 17408, 0x0083 }, /* R17408 - HPF_C_1 */ + { 17409, 0x98AD }, /* R17409 - HPF_C_0 */ { 17920, 0x007F }, /* R17920 - ADCL_RETUNE_C1_1 */ { 17921, 0xFFFF }, /* R17921 - ADCL_RETUNE_C1_0 */ diff --git a/sound/usb/midi.c b/sound/usb/midi.c index de86e7487def..075f32483769 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -174,6 +174,8 @@ struct snd_usb_midi_in_endpoint { u8 running_status_length; } ports[0x10]; u8 seen_f5; + bool in_sysex; + u8 last_cin; u8 error_resubmit; int current_port; }; @@ -465,6 +467,39 @@ static void snd_usbmidi_maudio_broken_running_status_input( } /* + * QinHeng CH345 is buggy: every second packet inside a SysEx has not CIN 4 + * but the previously seen CIN, but still with three data bytes. + */ +static void ch345_broken_sysex_input(struct snd_usb_midi_in_endpoint *ep, + uint8_t *buffer, int buffer_length) +{ + unsigned int i, cin, length; + + for (i = 0; i + 3 < buffer_length; i += 4) { + if (buffer[i] == 0 && i > 0) + break; + cin = buffer[i] & 0x0f; + if (ep->in_sysex && + cin == ep->last_cin && + (buffer[i + 1 + (cin == 0x6)] & 0x80) == 0) + cin = 0x4; +#if 0 + if (buffer[i + 1] == 0x90) { + /* + * Either a corrupted running status or a real note-on + * message; impossible to detect reliably. + */ + } +#endif + length = snd_usbmidi_cin_length[cin]; + snd_usbmidi_input_data(ep, 0, &buffer[i + 1], length); + ep->in_sysex = cin == 0x4; + if (!ep->in_sysex) + ep->last_cin = cin; + } +} + +/* * CME protocol: like the standard protocol, but SysEx commands are sent as a * single USB packet preceded by a 0x0F byte. */ @@ -650,6 +685,12 @@ static struct usb_protocol_ops snd_usbmidi_cme_ops = { .output_packet = snd_usbmidi_output_standard_packet, }; +static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = { + .input = ch345_broken_sysex_input, + .output = snd_usbmidi_standard_output, + .output_packet = snd_usbmidi_output_standard_packet, +}; + /* * AKAI MPD16 protocol: * @@ -1326,6 +1367,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi* umidi, * Various chips declare a packet size larger than 4 bytes, but * do not actually work with larger packets: */ + case USB_ID(0x0a67, 0x5011): /* Medeli DD305 */ case USB_ID(0x0a92, 0x1020): /* ESI M4U */ case USB_ID(0x1430, 0x474b): /* RedOctane GH MIDI INTERFACE */ case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */ @@ -2214,6 +2256,10 @@ int snd_usbmidi_create(struct snd_card *card, err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); break; + case QUIRK_MIDI_CH345: + umidi->usb_protocol_ops = &snd_usbmidi_ch345_broken_sysex_ops; + err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); + break; default: snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); err = -ENXIO; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 4cebbf7f6ad1..862ed16a7e8e 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2689,6 +2689,17 @@ YAMAHA_DEVICE(0x7010, "UB99"), .idProduct = 0x1020, }, +/* QinHeng devices */ +{ + USB_DEVICE(0x1a86, 0x752d), + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) { + .vendor_name = "QinHeng", + .product_name = "CH345", + .ifnum = 1, + .type = QUIRK_MIDI_CH345 + } +}, + /* KeithMcMillen Stringport */ { USB_DEVICE(0x1f38, 0x0001), diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 9c82f8b67a61..b01d3cf3759e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -311,6 +311,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip, [QUIRK_MIDI_CME] = create_any_midi_quirk, [QUIRK_MIDI_AKAI] = create_any_midi_quirk, [QUIRK_MIDI_FTDI] = create_any_midi_quirk, + [QUIRK_MIDI_CH345] = create_any_midi_quirk, [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 6c805a51d7d7..5e0e58adfcdb 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -81,6 +81,7 @@ enum quirk_type { QUIRK_MIDI_AKAI, QUIRK_MIDI_US122L, QUIRK_MIDI_FTDI, + QUIRK_MIDI_CH345, QUIRK_AUDIO_STANDARD_INTERFACE, QUIRK_AUDIO_FIXED_ENDPOINT, QUIRK_AUDIO_EDIROL_UAXX,