diff options
77 files changed, 533 insertions, 243 deletions
diff --git a/Documentation/flexible-arrays.txt b/Documentation/flexible-arrays.txt index cb8a3a00cc92..df904aec9904 100644 --- a/Documentation/flexible-arrays.txt +++ b/Documentation/flexible-arrays.txt @@ -66,10 +66,10 @@ trick is to ensure that any needed memory allocations are done before entering atomic context, using: int flex_array_prealloc(struct flex_array *array, unsigned int start, - unsigned int end, gfp_t flags); + unsigned int nr_elements, gfp_t flags); This function will ensure that memory for the elements indexed in the range -defined by start and end has been allocated. Thereafter, a +defined by start and nr_elements has been allocated. Thereafter, a flex_array_put() call on an element in that range is guaranteed not to block. diff --git a/arch/arm/configs/at91x40_defconfig b/arch/arm/configs/at91x40_defconfig new file mode 100644 index 000000000000..c55e9212fcbb --- /dev/null +++ b/arch/arm/configs/at91x40_defconfig @@ -0,0 +1,48 @@ +CONFIG_EXPERIMENTAL=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_EMBEDDED=y +# CONFIG_HOTPLUG is not set +# CONFIG_ELF_CORE is not set +# CONFIG_FUTEX is not set +# CONFIG_TIMERFD is not set +# CONFIG_VM_EVENT_COUNTERS is not set +# CONFIG_COMPAT_BRK is not set +CONFIG_SLAB=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_MMU is not set +CONFIG_ARCH_AT91=y +CONFIG_ARCH_AT91X40=y +CONFIG_MACH_AT91EB01=y +CONFIG_AT91_EARLY_USART0=y +CONFIG_CPU_ARM7TDMI=y +CONFIG_SET_MEM_PARAM=y +CONFIG_DRAM_BASE=0x01000000 +CONFIG_DRAM_SIZE=0x00400000 +CONFIG_FLASH_MEM_BASE=0x01400000 +CONFIG_PROCESSOR_ID=0x14000040 +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_BINFMT_FLAT=y +# CONFIG_SUSPEND is not set +# CONFIG_FW_LOADER is not set +CONFIG_MTD=y +CONFIG_MTD_PARTITIONS=y +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_RAM=y +CONFIG_MTD_ROM=y +CONFIG_BLK_DEV_RAM=y +# CONFIG_INPUT is not set +# CONFIG_SERIO is not set +# CONFIG_VT is not set +# CONFIG_DEVKMEM is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +# CONFIG_USB_SUPPORT is not set +CONFIG_EXT2_FS=y +# CONFIG_DNOTIFY is not set +CONFIG_ROMFS_FS=y +# CONFIG_ENABLE_MUST_CHECK is not set diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 2bf27f364d09..8182f45ca493 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -767,12 +767,20 @@ long arch_ptrace(struct task_struct *child, long request, #ifdef CONFIG_HAVE_HW_BREAKPOINT case PTRACE_GETHBPREGS: + if (ptrace_get_breakpoints(child) < 0) + return -ESRCH; + ret = ptrace_gethbpregs(child, addr, (unsigned long __user *)data); + ptrace_put_breakpoints(child); break; case PTRACE_SETHBPREGS: + if (ptrace_get_breakpoints(child) < 0) + return -ESRCH; + ret = ptrace_sethbpregs(child, addr, (unsigned long __user *)data); + ptrace_put_breakpoints(child); break; #endif diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 19390231a0e9..2d299bf5d72f 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -83,6 +83,7 @@ config ARCH_AT91CAP9 select CPU_ARM926T select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL + select HAVE_NET_MACB config ARCH_AT572D940HF bool "AT572D940HF" diff --git a/arch/arm/mach-at91/board-eb01.c b/arch/arm/mach-at91/board-eb01.c index 1f9d3cb64c50..d8df59a3426d 100644 --- a/arch/arm/mach-at91/board-eb01.c +++ b/arch/arm/mach-at91/board-eb01.c @@ -30,6 +30,11 @@ #include <mach/board.h> #include "generic.h" +static void __init at91eb01_init_irq(void) +{ + at91x40_init_interrupts(NULL); +} + static void __init at91eb01_map_io(void) { at91x40_initialize(40000000); @@ -38,7 +43,7 @@ static void __init at91eb01_map_io(void) MACHINE_START(AT91EB01, "Atmel AT91 EB01") /* Maintainer: Greg Ungerer <gerg@snapgear.com> */ .timer = &at91x40_timer, - .init_irq = at91x40_init_interrupts, + .init_irq = at91eb01_init_irq, .map_io = at91eb01_map_io, MACHINE_END diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index 3bef931d0b1c..0700f2125305 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -27,6 +27,7 @@ #define ARCH_ID_AT91SAM9G45 0x819b05a0 #define ARCH_ID_AT91SAM9G45MRL 0x819b05a2 /* aka 9G45-ES2 & non ES lots */ #define ARCH_ID_AT91SAM9G45ES 0x819b05a1 /* 9G45-ES (Engineering Sample) */ +#define ARCH_ID_AT91SAM9X5 0x819a05a0 #define ARCH_ID_AT91CAP9 0x039A03A0 #define ARCH_ID_AT91SAM9XE128 0x329973a0 @@ -55,6 +56,12 @@ static inline unsigned long at91_cpu_fully_identify(void) #define ARCH_EXID_AT91SAM9G46 0x00000003 #define ARCH_EXID_AT91SAM9G45 0x00000004 +#define ARCH_EXID_AT91SAM9G15 0x00000000 +#define ARCH_EXID_AT91SAM9G35 0x00000001 +#define ARCH_EXID_AT91SAM9X35 0x00000002 +#define ARCH_EXID_AT91SAM9G25 0x00000003 +#define ARCH_EXID_AT91SAM9X25 0x00000004 + static inline unsigned long at91_exid_identify(void) { return at91_sys_read(AT91_DBGU_EXID); @@ -143,6 +150,27 @@ static inline unsigned long at91cap9_rev_identify(void) #define cpu_is_at91sam9m11() (0) #endif +#ifdef CONFIG_ARCH_AT91SAM9X5 +#define cpu_is_at91sam9x5() (at91_cpu_identify() == ARCH_ID_AT91SAM9X5) +#define cpu_is_at91sam9g15() (cpu_is_at91sam9x5() && \ + (at91_exid_identify() == ARCH_EXID_AT91SAM9G15)) +#define cpu_is_at91sam9g35() (cpu_is_at91sam9x5() && \ + (at91_exid_identify() == ARCH_EXID_AT91SAM9G35)) +#define cpu_is_at91sam9x35() (cpu_is_at91sam9x5() && \ + (at91_exid_identify() == ARCH_EXID_AT91SAM9X35)) +#define cpu_is_at91sam9g25() (cpu_is_at91sam9x5() && \ + (at91_exid_identify() == ARCH_EXID_AT91SAM9G25)) +#define cpu_is_at91sam9x25() (cpu_is_at91sam9x5() && \ + (at91_exid_identify() == ARCH_EXID_AT91SAM9X25)) +#else +#define cpu_is_at91sam9x5() (0) +#define cpu_is_at91sam9g15() (0) +#define cpu_is_at91sam9g35() (0) +#define cpu_is_at91sam9x35() (0) +#define cpu_is_at91sam9g25() (0) +#define cpu_is_at91sam9x25() (0) +#endif + #ifdef CONFIG_ARCH_AT91CAP9 #define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9) #define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 55613e33e263..a6ae1cfad86c 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -933,12 +933,16 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, if (data && !(data & DABR_TRANSLATION)) return -EIO; #ifdef CONFIG_HAVE_HW_BREAKPOINT + if (ptrace_get_breakpoints(task) < 0) + return -ESRCH; + bp = thread->ptrace_bps[0]; if ((!data) || !(data & (DABR_DATA_WRITE | DABR_DATA_READ))) { if (bp) { unregister_hw_breakpoint(bp); thread->ptrace_bps[0] = NULL; } + ptrace_put_breakpoints(task); return 0; } if (bp) { @@ -948,9 +952,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, (DABR_DATA_WRITE | DABR_DATA_READ), &attr.bp_type); ret = modify_user_hw_breakpoint(bp, &attr); - if (ret) + if (ret) { + ptrace_put_breakpoints(task); return ret; + } thread->ptrace_bps[0] = bp; + ptrace_put_breakpoints(task); thread->dabr = data; return 0; } @@ -965,9 +972,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, ptrace_triggered, task); if (IS_ERR(bp)) { thread->ptrace_bps[0] = NULL; + ptrace_put_breakpoints(task); return PTR_ERR(bp); } + ptrace_put_breakpoints(task); + #endif /* CONFIG_HAVE_HW_BREAKPOINT */ /* Move contents to the DABR register */ diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 2130ca674e9b..3d7b209b2178 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -117,7 +117,11 @@ void user_enable_single_step(struct task_struct *child) set_tsk_thread_flag(child, TIF_SINGLESTEP); + if (ptrace_get_breakpoints(child) < 0) + return; + set_single_step(child, pc); + ptrace_put_breakpoints(child); } void user_disable_single_step(struct task_struct *child) diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index e61539b07d2c..447a28de6f09 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -184,26 +184,23 @@ static __initconst const u64 snb_hw_cache_event_ids }, }, [ C(LL ) ] = { - /* - * TBD: Need Off-core Response Performance Monitoring support - */ [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE_0.ANY_DATA.LOCAL_CACHE */ + /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE_1.ANY_DATA.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01bb, + /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ + [ C(RESULT_MISS) ] = 0x01b7, }, [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE_0.ANY_RFO.LOCAL_CACHE */ + /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE_1.ANY_RFO.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01bb, + /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ + [ C(RESULT_MISS) ] = 0x01b7, }, [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE_0.PREFETCH.LOCAL_CACHE */ + /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE_1.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01bb, + /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ + [ C(RESULT_MISS) ] = 0x01b7, }, }, [ C(DTLB) ] = { @@ -285,26 +282,26 @@ static __initconst const u64 westmere_hw_cache_event_ids }, [ C(LL ) ] = { [ C(OP_READ) ] = { - /* OFFCORE_RESPONSE_0.ANY_DATA.LOCAL_CACHE */ + /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */ [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE_1.ANY_DATA.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01bb, + /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */ + [ C(RESULT_MISS) ] = 0x01b7, }, /* * Use RFO, not WRITEBACK, because a write miss would typically occur * on RFO. */ [ C(OP_WRITE) ] = { - /* OFFCORE_RESPONSE_1.ANY_RFO.LOCAL_CACHE */ - [ C(RESULT_ACCESS) ] = 0x01bb, - /* OFFCORE_RESPONSE_0.ANY_RFO.ANY_LLC_MISS */ + /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */ + [ C(RESULT_ACCESS) ] = 0x01b7, + /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */ [ C(RESULT_MISS) ] = 0x01b7, }, [ C(OP_PREFETCH) ] = { - /* OFFCORE_RESPONSE_0.PREFETCH.LOCAL_CACHE */ + /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */ [ C(RESULT_ACCESS) ] = 0x01b7, - /* OFFCORE_RESPONSE_1.PREFETCH.ANY_LLC_MISS */ - [ C(RESULT_MISS) ] = 0x01bb, + /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */ + [ C(RESULT_MISS) ] = 0x01b7, }, }, [ C(DTLB) ] = { @@ -352,16 +349,36 @@ static __initconst const u64 westmere_hw_cache_event_ids }; /* - * OFFCORE_RESPONSE MSR bits (subset), See IA32 SDM Vol 3 30.6.1.3 + * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits; + * See IA32 SDM Vol 3B 30.6.1.3 */ -#define DMND_DATA_RD (1 << 0) -#define DMND_RFO (1 << 1) -#define DMND_WB (1 << 3) -#define PF_DATA_RD (1 << 4) -#define PF_DATA_RFO (1 << 5) -#define RESP_UNCORE_HIT (1 << 8) -#define RESP_MISS (0xf600) /* non uncore hit */ +#define NHM_DMND_DATA_RD (1 << 0) +#define NHM_DMND_RFO (1 << 1) +#define NHM_DMND_IFETCH (1 << 2) +#define NHM_DMND_WB (1 << 3) +#define NHM_PF_DATA_RD (1 << 4) +#define NHM_PF_DATA_RFO (1 << 5) +#define NHM_PF_IFETCH (1 << 6) +#define NHM_OFFCORE_OTHER (1 << 7) +#define NHM_UNCORE_HIT (1 << 8) +#define NHM_OTHER_CORE_HIT_SNP (1 << 9) +#define NHM_OTHER_CORE_HITM (1 << 10) + /* reserved */ +#define NHM_REMOTE_CACHE_FWD (1 << 12) +#define NHM_REMOTE_DRAM (1 << 13) +#define NHM_LOCAL_DRAM (1 << 14) +#define NHM_NON_DRAM (1 << 15) + +#define NHM_ALL_DRAM (NHM_REMOTE_DRAM|NHM_LOCAL_DRAM) + +#define NHM_DMND_READ (NHM_DMND_DATA_RD) +#define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB) +#define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO) + +#define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM) +#define NHM_L3_MISS (NHM_NON_DRAM|NHM_ALL_DRAM|NHM_REMOTE_CACHE_FWD) +#define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS) static __initconst const u64 nehalem_hw_cache_extra_regs [PERF_COUNT_HW_CACHE_MAX] @@ -370,16 +387,16 @@ static __initconst const u64 nehalem_hw_cache_extra_regs { [ C(LL ) ] = { [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = DMND_DATA_RD|RESP_UNCORE_HIT, - [ C(RESULT_MISS) ] = DMND_DATA_RD|RESP_MISS, + [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS, + [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS, }, [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = DMND_RFO|DMND_WB|RESP_UNCORE_HIT, - [ C(RESULT_MISS) ] = DMND_RFO|DMND_WB|RESP_MISS, + [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS, + [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS, }, [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = PF_DATA_RD|PF_DATA_RFO|RESP_UNCORE_HIT, - [ C(RESULT_MISS) ] = PF_DATA_RD|PF_DATA_RFO|RESP_MISS, + [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS, + [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS, }, } }; diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 45892dc4b72a..f65e5b521dbd 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -608,6 +608,9 @@ static int ptrace_write_dr7(struct task_struct *tsk, unsigned long data) unsigned len, type; struct perf_event *bp; + if (ptrace_get_breakpoints(tsk) < 0) + return -ESRCH; + data &= ~DR_CONTROL_RESERVED; old_dr7 = ptrace_get_dr7(thread->ptrace_bps); restore: @@ -655,6 +658,9 @@ restore: } goto restore; } + + ptrace_put_breakpoints(tsk); + return ((orig_ret < 0) ? orig_ret : rc); } @@ -668,10 +674,17 @@ static unsigned long ptrace_get_debugreg(struct task_struct *tsk, int n) if (n < HBP_NUM) { struct perf_event *bp; + + if (ptrace_get_breakpoints(tsk) < 0) + return -ESRCH; + bp = thread->ptrace_bps[n]; if (!bp) - return 0; - val = bp->hw.info.address; + val = 0; + else + val = bp->hw.info.address; + + ptrace_put_breakpoints(tsk); } else if (n == 6) { val = thread->debugreg6; } else if (n == 7) { @@ -686,6 +699,10 @@ static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr, struct perf_event *bp; struct thread_struct *t = &tsk->thread; struct perf_event_attr attr; + int err = 0; + + if (ptrace_get_breakpoints(tsk) < 0) + return -ESRCH; if (!t->ptrace_bps[nr]) { ptrace_breakpoint_init(&attr); @@ -709,24 +726,23 @@ static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr, * writing for the user. And anyway this is the previous * behaviour. */ - if (IS_ERR(bp)) - return PTR_ERR(bp); + if (IS_ERR(bp)) { + err = PTR_ERR(bp); + goto put; + } t->ptrace_bps[nr] = bp; } else { - int err; - bp = t->ptrace_bps[nr]; attr = bp->attr; attr.bp_addr = addr; err = modify_user_hw_breakpoint(bp, &attr); - if (err) - return err; } - - return 0; +put: + ptrace_put_breakpoints(tsk); + return err; } /* diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 16dc3645291c..3e904717c1c0 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -777,9 +777,9 @@ static int rbd_do_request(struct request *rq, ops, false, GFP_NOIO, pages, bio); - if (IS_ERR(req)) { + if (!req) { up_read(&header->snap_rwsem); - ret = PTR_ERR(req); + ret = -ENOMEM; goto done_pages; } diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index f903d7b6f34a..23d1468ad253 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -2199,7 +2199,6 @@ static int ohci_set_config_rom(struct fw_card *card, { struct fw_ohci *ohci; unsigned long flags; - int ret = -EBUSY; __be32 *next_config_rom; dma_addr_t uninitialized_var(next_config_rom_bus); @@ -2240,22 +2239,37 @@ static int ohci_set_config_rom(struct fw_card *card, spin_lock_irqsave(&ohci->lock, flags); + /* + * If there is not an already pending config_rom update, + * push our new allocation into the ohci->next_config_rom + * and then mark the local variable as null so that we + * won't deallocate the new buffer. + * + * OTOH, if there is a pending config_rom update, just + * use that buffer with the new config_rom data, and + * let this routine free the unused DMA allocation. + */ + if (ohci->next_config_rom == NULL) { ohci->next_config_rom = next_config_rom; ohci->next_config_rom_bus = next_config_rom_bus; + next_config_rom = NULL; + } - copy_config_rom(ohci->next_config_rom, config_rom, length); + copy_config_rom(ohci->next_config_rom, config_rom, length); - ohci->next_header = config_rom[0]; - ohci->next_config_rom[0] = 0; + ohci->next_header = config_rom[0]; + ohci->next_config_rom[0] = 0; - reg_write(ohci, OHCI1394_ConfigROMmap, - ohci->next_config_rom_bus); - ret = 0; - } + reg_write(ohci, OHCI1394_ConfigROMmap, ohci->next_config_rom_bus); spin_unlock_irqrestore(&ohci->lock, flags); + /* If we didn't use the DMA allocation, delete it. */ + if (next_config_rom != NULL) + dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE, + next_config_rom, next_config_rom_bus); + /* * Now initiate a bus reset to have the changes take * effect. We clean up the old config rom memory and DMA @@ -2263,13 +2277,10 @@ static int ohci_set_config_rom(struct fw_card *card, * controller could need to access it before the bus reset * takes effect. */ - if (ret == 0) - fw_schedule_bus_reset(&ohci->card, true, true); - else - dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE, - next_config_rom, next_config_rom_bus); - return ret; + fw_schedule_bus_reset(&ohci->card, true, true); + + return 0; } static void ohci_send_request(struct fw_card *card, struct fw_packet *packet) diff --git a/drivers/media/dvb/dvb-usb/Kconfig b/drivers/media/dvb/dvb-usb/Kconfig index ccbd39a38c46..c545039287ad 100644 --- a/drivers/media/dvb/dvb-usb/Kconfig +++ b/drivers/media/dvb/dvb-usb/Kconfig @@ -356,6 +356,8 @@ config DVB_USB_LME2510 select DVB_TDA826X if !DVB_FE_CUSTOMISE select DVB_STV0288 if !DVB_FE_CUSTOMISE select DVB_IX2505V if !DVB_FE_CUSTOMISE + select DVB_STV0299 if !DVB_FE_CUSTOMISE + select DVB_PLL if !DVB_FE_CUSTOMISE help Say Y here to support the LME DM04/QQBOX DVB-S USB2.0 . diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c index ccc2d1af49d4..6927c726ce35 100644 --- a/drivers/media/dvb/ngene/ngene-core.c +++ b/drivers/media/dvb/ngene/ngene-core.c @@ -1520,6 +1520,7 @@ static int init_channel(struct ngene_channel *chan) if (dev->ci.en && (io & NGENE_IO_TSOUT)) { dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1); set_transfer(chan, 1); + chan->dev->channel[2].DataFormatFlags = DF_SWAP32; set_transfer(&chan->dev->channel[2], 1); dvb_register_device(adapter, &chan->ci_dev, &ngene_dvbdev_ci, (void *) chan, diff --git a/drivers/media/radio/saa7706h.c b/drivers/media/radio/saa7706h.c index 585680ffbfb6..b1193dfc5087 100644 --- a/drivers/media/radio/saa7706h.c +++ b/drivers/media/radio/saa7706h.c @@ -376,7 +376,7 @@ static int __devinit saa7706h_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%02x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct saa7706h_state), GFP_KERNEL); + state = kzalloc(sizeof(struct saa7706h_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; sd = &state->sd; diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c index 7c0d77751f6e..0991e1973678 100644 --- a/drivers/media/radio/tef6862.c +++ b/drivers/media/radio/tef6862.c @@ -176,7 +176,7 @@ static int __devinit tef6862_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%02x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct tef6862_state), GFP_KERNEL); + state = kzalloc(sizeof(struct tef6862_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; state->freq = TEF6862_LO_FREQ; diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index ebd68edf5b24..8fc0f081b470 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -46,7 +46,7 @@ #define MOD_AUTHOR "Jarod Wilson <jarod@wilsonet.com>" #define MOD_DESC "Driver for SoundGraph iMON MultiMedia IR/Display" #define MOD_NAME "imon" -#define MOD_VERSION "0.9.2" +#define MOD_VERSION "0.9.3" #define DISPLAY_MINOR_BASE 144 #define DEVICE_NAME "lcd%d" @@ -460,8 +460,9 @@ static int display_close(struct inode *inode, struct file *file) } /** - * Sends a packet to the device -- this function must be called - * with ictx->lock held. + * Sends a packet to the device -- this function must be called with + * ictx->lock held, or its unlock/lock sequence while waiting for tx + * to complete can/will lead to a deadlock. */ static int send_packet(struct imon_context *ictx) { @@ -991,12 +992,21 @@ static void imon_touch_display_timeout(unsigned long data) * the iMON remotes, and those used by the Windows MCE remotes (which is * really just RC-6), but only one or the other at a time, as the signals * are decoded onboard the receiver. + * + * This function gets called two different ways, one way is from + * rc_register_device, for initial protocol selection/setup, and the other is + * via a userspace-initiated protocol change request, either by direct sysfs + * prodding or by something like ir-keytable. In the rc_register_device case, + * the imon context lock is already held, but when initiated from userspace, + * it is not, so we must acquire it prior to calling send_packet, which + * requires that the lock is held. */ static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) { int retval; struct imon_context *ictx = rc->priv; struct device *dev = ictx->dev; + bool unlock = false; unsigned char ir_proto_packet[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86 }; @@ -1029,6 +1039,11 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_proto_packet)); + if (!mutex_is_locked(&ictx->lock)) { + unlock = true; + mutex_lock(&ictx->lock); + } + retval = send_packet(ictx); if (retval) goto out; @@ -1037,6 +1052,9 @@ static int imon_ir_change_protocol(struct rc_dev *rc, u64 rc_type) ictx->pad_mouse = false; out: + if (unlock) + mutex_unlock(&ictx->lock); + return retval; } @@ -2134,6 +2152,7 @@ static struct imon_context *imon_init_intf0(struct usb_interface *intf) goto rdev_setup_failed; } + mutex_unlock(&ictx->lock); return ictx; rdev_setup_failed: @@ -2205,6 +2224,7 @@ static struct imon_context *imon_init_intf1(struct usb_interface *intf, goto urb_submit_failed; } + mutex_unlock(&ictx->lock); return ictx; urb_submit_failed: @@ -2299,6 +2319,8 @@ static int __devinit imon_probe(struct usb_interface *interface, usb_set_intfdata(interface, ictx); if (ifnum == 0) { + mutex_lock(&ictx->lock); + if (product == 0xffdc && ictx->rf_device) { sysfs_err = sysfs_create_group(&interface->dev.kobj, &imon_rf_attr_group); @@ -2309,13 +2331,14 @@ static int __devinit imon_probe(struct usb_interface *interface, if (ictx->display_supported) imon_init_display(ictx, interface); + + mutex_unlock(&ictx->lock); } dev_info(dev, "iMON device (%04x:%04x, intf%d) on " "usb<%d:%d> initialized\n", vendor, product, ifnum, usbdev->bus->busnum, usbdev->devnum); - mutex_unlock(&ictx->lock); mutex_unlock(&driver_lock); return 0; diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index accaf6c9789a..43908a70bd8b 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -36,6 +36,7 @@ #include <linux/io.h> #include <linux/interrupt.h> #include <linux/sched.h> +#include <linux/delay.h> #include <linux/slab.h> #include <linux/input.h> #include <linux/bitops.h> diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 044fb7a382d6..0c273ec465c9 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -220,6 +220,8 @@ static struct usb_device_id mceusb_dev_table[] = { { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, /* Philips/Spinel plus IR transceiver for ASUS */ { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, + /* Philips IR transceiver (Dell branded) */ + { USB_DEVICE(VENDOR_PHILIPS, 0x2093) }, /* Realtek MCE IR Receiver and card reader */ { USB_DEVICE(VENDOR_REALTEK, 0x0161), .driver_info = MULTIFUNCTION }, diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index f53f9c68d38d..a2706648e365 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -707,7 +707,8 @@ static void ir_close(struct input_dev *idev) { struct rc_dev *rdev = input_get_drvdata(idev); - rdev->close(rdev); + if (rdev) + rdev->close(rdev); } /* class for /sys/class/rc */ @@ -733,6 +734,7 @@ static struct { { RC_TYPE_SONY, "sony" }, { RC_TYPE_RC5_SZ, "rc-5-sz" }, { RC_TYPE_LIRC, "lirc" }, + { RC_TYPE_OTHER, "other" }, }; #define PROTO_NONE "none" diff --git a/drivers/media/video/m52790.c b/drivers/media/video/m52790.c index 5e1c9a81984c..303ffa7df4ac 100644 --- a/drivers/media/video/m52790.c +++ b/drivers/media/video/m52790.c @@ -174,7 +174,7 @@ static int m52790_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct m52790_state), GFP_KERNEL); + state = kzalloc(sizeof(struct m52790_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; diff --git a/drivers/media/video/tda9840.c b/drivers/media/video/tda9840.c index 5d4cf3b3d435..22fa8202d5ca 100644 --- a/drivers/media/video/tda9840.c +++ b/drivers/media/video/tda9840.c @@ -171,7 +171,7 @@ static int tda9840_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); + sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); if (sd == NULL) return -ENOMEM; v4l2_i2c_subdev_init(sd, client, &tda9840_ops); diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c index 19621ed523ec..827425c5b866 100644 --- a/drivers/media/video/tea6415c.c +++ b/drivers/media/video/tea6415c.c @@ -152,7 +152,7 @@ static int tea6415c_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); + sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); if (sd == NULL) return -ENOMEM; v4l2_i2c_subdev_init(sd, client, &tea6415c_ops); diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c index 5ea840401f21..f350b6c24500 100644 --- a/drivers/media/video/tea6420.c +++ b/drivers/media/video/tea6420.c @@ -125,7 +125,7 @@ static int tea6420_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); + sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); if (sd == NULL) return -ENOMEM; v4l2_i2c_subdev_init(sd, client, &tea6420_ops); diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c index f8138c75be8b..1aab96a88203 100644 --- a/drivers/media/video/upd64031a.c +++ b/drivers/media/video/upd64031a.c @@ -230,7 +230,7 @@ static int upd64031a_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL); + state = kzalloc(sizeof(struct upd64031a_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; sd = &state->sd; diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c index 28e0e6b6ca84..9bbe61700fd5 100644 --- a/drivers/media/video/upd64083.c +++ b/drivers/media/video/upd64083.c @@ -202,7 +202,7 @@ static int upd64083_probe(struct i2c_client *client, v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name); - state = kmalloc(sizeof(struct upd64083_state), GFP_KERNEL); + state = kzalloc(sizeof(struct upd64083_state), GFP_KERNEL); if (state == NULL) return -ENOMEM; sd = &state->sd; diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 53450f433f10..2e165117457b 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -25,7 +25,6 @@ #include <linux/dma-mapping.h> #include <linux/spinlock.h> #include <linux/gpio.h> -#include <linux/regulator/consumer.h> #include <plat/usb.h> #define USBHS_DRIVER_NAME "usbhs-omap" @@ -700,8 +699,7 @@ static int usbhs_enable(struct device *dev) dev_dbg(dev, "starting TI HSUSB Controller\n"); if (!pdata) { dev_dbg(dev, "missing platform_data\n"); - ret = -ENODEV; - goto end_enable; + return -ENODEV; } spin_lock_irqsave(&omap->lock, flags); @@ -915,7 +913,8 @@ static int usbhs_enable(struct device *dev) end_count: omap->count++; - goto end_enable; + spin_unlock_irqrestore(&omap->lock, flags); + return 0; err_tll: if (pdata->ehci_data->phy_reset) { @@ -931,8 +930,6 @@ err_tll: clk_disable(omap->usbhost_fs_fck); clk_disable(omap->usbhost_hs_fck); clk_disable(omap->usbhost_ick); - -end_enable: spin_unlock_irqrestore(&omap->lock, flags); return ret; } diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e9901b8f8443..0bac91e72370 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -400,10 +400,15 @@ static inline int scsi_host_is_busy(struct Scsi_Host *shost) static void scsi_run_queue(struct request_queue *q) { struct scsi_device *sdev = q->queuedata; - struct Scsi_Host *shost = sdev->host; + struct Scsi_Host *shost; LIST_HEAD(starved_list); unsigned long flags; + /* if the device is dead, sdev will be NULL, so no queue to run */ + if (!sdev) + return; + + shost = sdev->host; if (scsi_target(sdev)->single_lun) scsi_single_lun_run(sdev); diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c index eeb7dd43f9a8..830822f86e41 100644 --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c @@ -2288,7 +2288,3 @@ err_dev: free_netdev(dev); return NULL; } - -EXPORT_SYMBOL(init_ft1000_card); -EXPORT_SYMBOL(stop_ft1000_card); -EXPORT_SYMBOL(flarion_ft1000_cnt); diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c index 935608e72007..bdfb1aec58df 100644 --- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c +++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c @@ -214,6 +214,3 @@ void ft1000CleanupProc(struct net_device *dev) remove_proc_entry(FT1000_PROC, init_net.proc_net); unregister_netdevice_notifier(&ft1000_netdev_notifier); } - -EXPORT_SYMBOL(ft1000InitProc); -EXPORT_SYMBOL(ft1000CleanupProc); diff --git a/drivers/staging/gma500/Kconfig b/drivers/staging/gma500/Kconfig index 5501eb9b3355..ce8bedaeaac2 100644 --- a/drivers/staging/gma500/Kconfig +++ b/drivers/staging/gma500/Kconfig @@ -1,6 +1,6 @@ config DRM_PSB tristate "Intel GMA500 KMS Framebuffer" - depends on DRM && PCI + depends on DRM && PCI && X86 select FB_CFB_COPYAREA select FB_CFB_FILLRECT select FB_CFB_IMAGEBLIT diff --git a/drivers/staging/intel_sst/intelmid_v1_control.c b/drivers/staging/intel_sst/intelmid_v1_control.c index 9cc15c1c18d4..1ea814218059 100644 --- a/drivers/staging/intel_sst/intelmid_v1_control.c +++ b/drivers/staging/intel_sst/intelmid_v1_control.c @@ -28,6 +28,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/pci.h> +#include <linux/delay.h> #include <linux/file.h> #include <asm/mrst.h> #include <sound/pcm.h> diff --git a/drivers/staging/intel_sst/intelmid_v2_control.c b/drivers/staging/intel_sst/intelmid_v2_control.c index 26d815a67eb8..3c6b3abff3c3 100644 --- a/drivers/staging/intel_sst/intelmid_v2_control.c +++ b/drivers/staging/intel_sst/intelmid_v2_control.c @@ -29,6 +29,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/pci.h> +#include <linux/delay.h> #include <linux/file.h> #include "intel_sst.h" #include "intelmid_snd_control.h" diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index b5d21f6497f9..22c04eabed41 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -12,6 +12,7 @@ */ #include <linux/cs5535.h> #include <linux/gpio.h> +#include <linux/delay.h> #include <asm/olpc.h> #include "olpc_dcon.h" diff --git a/drivers/staging/rts_pstor/debug.h b/drivers/staging/rts_pstor/debug.h index e1408b0e7ae4..ab305be96fb5 100644 --- a/drivers/staging/rts_pstor/debug.h +++ b/drivers/staging/rts_pstor/debug.h @@ -28,7 +28,7 @@ #define RTSX_STOR "rts_pstor: " -#if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_DEBUG #define RTSX_DEBUGP(x...) printk(KERN_DEBUG RTSX_STOR x) #define RTSX_DEBUGPN(x...) printk(KERN_DEBUG x) #define RTSX_DEBUGPX(x...) printk(x) diff --git a/drivers/staging/rts_pstor/ms.c b/drivers/staging/rts_pstor/ms.c index 810e170894f5..d89795c6a3ac 100644 --- a/drivers/staging/rts_pstor/ms.c +++ b/drivers/staging/rts_pstor/ms.c @@ -23,6 +23,7 @@ #include <linux/blkdev.h> #include <linux/kthread.h> #include <linux/sched.h> +#include <linux/vmalloc.h> #include "rtsx.h" #include "rtsx_transport.h" diff --git a/drivers/staging/rts_pstor/rtsx_chip.c b/drivers/staging/rts_pstor/rtsx_chip.c index d2f1c715a684..4e60780ea804 100644 --- a/drivers/staging/rts_pstor/rtsx_chip.c +++ b/drivers/staging/rts_pstor/rtsx_chip.c @@ -24,6 +24,7 @@ #include <linux/kthread.h> #include <linux/sched.h> #include <linux/workqueue.h> +#include <linux/vmalloc.h> #include "rtsx.h" #include "rtsx_transport.h" @@ -1311,11 +1312,11 @@ void rtsx_polling_func(struct rtsx_chip *chip) #ifdef SUPPORT_OCP if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) { - #if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_DEBUG if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER | MS_OC_NOW | MS_OC_EVER)) { RTSX_DEBUGP("Over current, OCPSTAT is 0x%x\n", chip->ocp_stat); } - #endif +#endif if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) { if (chip->card_exist & SD_CARD) { diff --git a/drivers/staging/rts_pstor/rtsx_scsi.c b/drivers/staging/rts_pstor/rtsx_scsi.c index 20c2464a20f9..7de1fae443fc 100644 --- a/drivers/staging/rts_pstor/rtsx_scsi.c +++ b/drivers/staging/rts_pstor/rtsx_scsi.c @@ -23,6 +23,7 @@ #include <linux/blkdev.h> #include <linux/kthread.h> #include <linux/sched.h> +#include <linux/vmalloc.h> #include "rtsx.h" #include "rtsx_transport.h" diff --git a/drivers/staging/rts_pstor/sd.c b/drivers/staging/rts_pstor/sd.c index 8d066bd428c4..b1277a6c7a8b 100644 --- a/drivers/staging/rts_pstor/sd.c +++ b/drivers/staging/rts_pstor/sd.c @@ -909,7 +909,7 @@ static int sd_change_phase(struct rtsx_chip *chip, u8 sample_point, u8 tune_dir) RTSX_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, PHASE_NOT_RESET); RTSX_WRITE_REG(chip, CLK_CTL, CHANGE_CLK, 0); } else { -#if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_DEBUG rtsx_read_register(chip, SD_VP_CTL, &val); RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val); rtsx_read_register(chip, SD_DCMPS_CTL, &val); @@ -958,7 +958,7 @@ static int sd_change_phase(struct rtsx_chip *chip, u8 sample_point, u8 tune_dir) return STATUS_SUCCESS; Fail: -#if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_DEBUG rtsx_read_register(chip, SD_VP_CTL, &val); RTSX_DEBUGP("SD_VP_CTL: 0x%x\n", val); rtsx_read_register(chip, SD_DCMPS_CTL, &val); diff --git a/drivers/staging/rts_pstor/trace.h b/drivers/staging/rts_pstor/trace.h index 2c668bae6ff4..bc83b49a4eb4 100644 --- a/drivers/staging/rts_pstor/trace.h +++ b/drivers/staging/rts_pstor/trace.h @@ -82,7 +82,7 @@ do { \ #define TRACE_GOTO(chip, label) goto label #endif -#if CONFIG_RTS_PSTOR_DEBUG +#ifdef CONFIG_RTS_PSTOR_DEBUG static inline void rtsx_dump(u8 *buf, int buf_len) { int i; diff --git a/drivers/staging/rts_pstor/xd.c b/drivers/staging/rts_pstor/xd.c index 7bcd468b8f2c..9f3add1e8f59 100644 --- a/drivers/staging/rts_pstor/xd.c +++ b/drivers/staging/rts_pstor/xd.c @@ -23,6 +23,7 @@ #include <linux/blkdev.h> #include <linux/kthread.h> #include <linux/sched.h> +#include <linux/vmalloc.h> #include "rtsx.h" #include "rtsx_transport.h" diff --git a/drivers/staging/solo6x10/Kconfig b/drivers/staging/solo6x10/Kconfig index 2cf77c940860..03dcac4ea4d0 100644 --- a/drivers/staging/solo6x10/Kconfig +++ b/drivers/staging/solo6x10/Kconfig @@ -2,6 +2,7 @@ config SOLO6X10 tristate "Softlogic 6x10 MPEG codec cards" depends on PCI && VIDEO_DEV && SND && I2C select VIDEOBUF_DMA_SG + select SND_PCM ---help--- This driver supports the Softlogic based MPEG-4 and h.264 codec codec cards. diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index 0f02a4b12ae4..4f4f13321f40 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -876,8 +876,10 @@ static void vhci_shutdown_connection(struct usbip_device *ud) } /* kill threads related to this sdev, if v.c. exists */ - kthread_stop(vdev->ud.tcp_rx); - kthread_stop(vdev->ud.tcp_tx); + if (vdev->ud.tcp_rx) + kthread_stop(vdev->ud.tcp_rx); + if (vdev->ud.tcp_tx) + kthread_stop(vdev->ud.tcp_tx); usbip_uinfo("stop threads\n"); @@ -949,9 +951,6 @@ static void vhci_device_init(struct vhci_device *vdev) { memset(vdev, 0, sizeof(*vdev)); - vdev->ud.tcp_rx = kthread_create(vhci_rx_loop, &vdev->ud, "vhci_rx"); - vdev->ud.tcp_tx = kthread_create(vhci_tx_loop, &vdev->ud, "vhci_tx"); - vdev->ud.side = USBIP_VHCI; vdev->ud.status = VDEV_ST_NULL; /* vdev->ud.lock = SPIN_LOCK_UNLOCKED; */ @@ -1139,7 +1138,7 @@ static int vhci_hcd_probe(struct platform_device *pdev) usbip_uerr("create hcd failed\n"); return -ENOMEM; } - + hcd->has_tt = 1; /* this is private data for vhci_hcd */ the_controller = hcd_to_vhci(hcd); diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/staging/usbip/vhci_sysfs.c index 3f2459f30415..e2dadbd5ef1e 100644 --- a/drivers/staging/usbip/vhci_sysfs.c +++ b/drivers/staging/usbip/vhci_sysfs.c @@ -21,6 +21,7 @@ #include "vhci.h" #include <linux/in.h> +#include <linux/kthread.h> /* TODO: refine locking ?*/ @@ -220,13 +221,13 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr, vdev->ud.tcp_socket = socket; vdev->ud.status = VDEV_ST_NOTASSIGNED; - wake_up_process(vdev->ud.tcp_rx); - wake_up_process(vdev->ud.tcp_tx); - spin_unlock(&vdev->ud.lock); spin_unlock(&the_controller->lock); /* end the lock */ + vdev->ud.tcp_rx = kthread_run(vhci_rx_loop, &vdev->ud, "vhci_rx"); + vdev->ud.tcp_tx = kthread_run(vhci_tx_loop, &vdev->ud, "vhci_tx"); + rh_port_connect(rhport, speed); return count; diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 6a71f52c59b1..76378397b763 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -273,7 +273,7 @@ exit: } int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev, - u8 key_index) + u8 key_index, bool unicast, bool multicast) { wlandevice_t *wlandev = dev->ml_priv; diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 7e41a95c5ceb..627f3a678759 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -40,6 +40,7 @@ #include <linux/slab.h> #include <linux/usb/ulpi.h> #include <plat/usb.h> +#include <linux/regulator/consumer.h> /* EHCI Register Set */ #define EHCI_INSNREG04 (0xA0) @@ -118,6 +119,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) struct ehci_hcd *omap_ehci; int ret = -ENODEV; int irq; + int i; + char supply[7]; if (usb_disabled()) return -ENODEV; @@ -158,6 +161,23 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) hcd->rsrc_len = resource_size(res); hcd->regs = regs; + /* get ehci regulator and enable */ + for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) { + if (pdata->port_mode[i] != OMAP_EHCI_PORT_MODE_PHY) { + pdata->regulator[i] = NULL; + continue; + } + snprintf(supply, sizeof(supply), "hsusb%d", i); + pdata->regulator[i] = regulator_get(dev, supply); + if (IS_ERR(pdata->regulator[i])) { + pdata->regulator[i] = NULL; + dev_dbg(dev, + "failed to get ehci port%d regulator\n", i); + } else { + regulator_enable(pdata->regulator[i]); + } + } + ret = omap_usbhs_enable(dev); if (ret) { dev_err(dev, "failed to start usbhs with err %d\n", ret); diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 795345ad45e6..7b2e69aa2e98 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -1633,6 +1633,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) ints[i].qh = NULL; ints[i].qtd = NULL; + urb->status = status; isp1760_urb_done(hcd, urb); if (qtd) pe(hcd, qh, qtd); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a78f2ebd11b7..73f75d26436c 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -777,7 +777,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd) if (t1 != t2) xhci_writel(xhci, t2, port_array[port_index]); - if (DEV_HIGHSPEED(t1)) { + if (hcd->speed != HCD_USB3) { /* enable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; @@ -866,6 +866,21 @@ int xhci_bus_resume(struct usb_hcd *hcd) temp |= PORT_LINK_STROBE | XDEV_U0; xhci_writel(xhci, temp, port_array[port_index]); } + /* wait for the port to enter U0 and report port link + * state change. + */ + spin_unlock_irqrestore(&xhci->lock, flags); + msleep(20); + spin_lock_irqsave(&xhci->lock, flags); + + /* Clear PLC */ + temp = xhci_readl(xhci, port_array[port_index]); + if (temp & PORT_PLC) { + temp = xhci_port_state_to_neutral(temp); + temp |= PORT_PLC; + xhci_writel(xhci, temp, port_array[port_index]); + } + slot_id = xhci_find_slot_id_by_port(hcd, xhci, port_index + 1); if (slot_id) @@ -873,7 +888,7 @@ int xhci_bus_resume(struct usb_hcd *hcd) } else xhci_writel(xhci, temp, port_array[port_index]); - if (DEV_HIGHSPEED(temp)) { + if (hcd->speed != HCD_USB3) { /* disable remote wake up for USB 2.0 */ u32 __iomem *addr; u32 tmp; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 6dfbf9ffd7a6..f47c20197c61 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1887,11 +1887,9 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver, otg_set_vbus(musb->xceiv, 1); hcd->self.uses_pio_for_control = 1; - - if (musb->xceiv->last_event == USB_EVENT_NONE) - pm_runtime_put(musb->controller); - } + if (musb->xceiv->last_event == USB_EVENT_NONE) + pm_runtime_put(musb->controller); return 0; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 57a27fa954b4..e9e60b6e0583 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -270,7 +270,7 @@ static int musb_otg_notifications(struct notifier_block *nb, DBG(4, "VBUS Disconnect\n"); #ifdef CONFIG_USB_GADGET_MUSB_HDRC - if (is_otg_enabled(musb)) + if (is_otg_enabled(musb) || is_peripheral_enabled(musb)) if (musb->gadget_driver) #endif { diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index e159c529fd2b..38b8ab554924 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -775,6 +775,13 @@ get_more_pages: ci->i_truncate_seq, ci->i_truncate_size, &inode->i_mtime, true, 1, 0); + + if (!req) { + rc = -ENOMEM; + unlock_page(page); + break; + } + max_pages = req->r_num_pages; alloc_page_vec(fsc, req); diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 5323c330bbf3..9fa08662a88d 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1331,10 +1331,11 @@ static void ceph_flush_snaps(struct ceph_inode_info *ci) } /* - * Mark caps dirty. If inode is newly dirty, add to the global dirty - * list. + * Mark caps dirty. If inode is newly dirty, return the dirty flags. + * Caller is then responsible for calling __mark_inode_dirty with the + * returned flags value. */ -void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) +int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) { struct ceph_mds_client *mdsc = ceph_sb_to_client(ci->vfs_inode.i_sb)->mdsc; @@ -1357,7 +1358,7 @@ void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) list_add(&ci->i_dirty_item, &mdsc->cap_dirty); spin_unlock(&mdsc->cap_dirty_lock); if (ci->i_flushing_caps == 0) { - igrab(inode); + ihold(inode); dirty |= I_DIRTY_SYNC; } } @@ -1365,9 +1366,8 @@ void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) if (((was | ci->i_flushing_caps) & CEPH_CAP_FILE_BUFFER) && (mask & CEPH_CAP_FILE_BUFFER)) dirty |= I_DIRTY_DATASYNC; - if (dirty) - __mark_inode_dirty(inode, dirty); __cap_delay_requeue(mdsc, ci); + return dirty; } /* @@ -1991,7 +1991,7 @@ static void __take_cap_refs(struct ceph_inode_info *ci, int got) ci->i_wr_ref++; if (got & CEPH_CAP_FILE_BUFFER) { if (ci->i_wrbuffer_ref == 0) - igrab(&ci->vfs_inode); + ihold(&ci->vfs_inode); ci->i_wrbuffer_ref++; dout("__take_cap_refs %p wrbuffer %d -> %d (?)\n", &ci->vfs_inode, ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref); diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 159b512d5a27..203252d88d9f 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -734,9 +734,12 @@ retry_snap: } } if (ret >= 0) { + int dirty; spin_lock(&inode->i_lock); - __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR); + dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR); spin_unlock(&inode->i_lock); + if (dirty) + __mark_inode_dirty(inode, dirty); } out: diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index b54c97da1c43..03d6dafda61f 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -1567,6 +1567,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr) int release = 0, dirtied = 0; int mask = 0; int err = 0; + int inode_dirty_flags = 0; if (ceph_snap(inode) != CEPH_NOSNAP) return -EROFS; @@ -1725,13 +1726,16 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr) dout("setattr %p ATTR_FILE ... hrm!\n", inode); if (dirtied) { - __ceph_mark_dirty_caps(ci, dirtied); + inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied); inode->i_ctime = CURRENT_TIME; } release &= issued; spin_unlock(&inode->i_lock); + if (inode_dirty_flags) + __mark_inode_dirty(inode, inode_dirty_flags); + if (mask) { req->r_inode = igrab(inode); req->r_inode_drop = release; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 619fe719968f..b1f1b8bb1271 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -506,7 +506,7 @@ static inline int __ceph_caps_dirty(struct ceph_inode_info *ci) { return ci->i_dirty_caps | ci->i_flushing_caps; } -extern void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask); +extern int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask); extern int ceph_caps_revoking(struct ceph_inode_info *ci, int mask); extern int __ceph_caps_used(struct ceph_inode_info *ci); diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 8c9eba6ef9df..f2b628696180 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -703,6 +703,7 @@ int ceph_setxattr(struct dentry *dentry, const char *name, struct ceph_inode_xattr *xattr = NULL; int issued; int required_blob_size; + int dirty; if (ceph_snap(inode) != CEPH_NOSNAP) return -EROFS; @@ -763,11 +764,12 @@ retry: dout("setxattr %p issued %s\n", inode, ceph_cap_string(issued)); err = __set_xattr(ci, newname, name_len, newval, val_len, 1, 1, 1, &xattr); - __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL); + dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL); ci->i_xattrs.dirty = true; inode->i_ctime = CURRENT_TIME; spin_unlock(&inode->i_lock); - + if (dirty) + __mark_inode_dirty(inode, dirty); return err; do_sync: @@ -810,6 +812,7 @@ int ceph_removexattr(struct dentry *dentry, const char *name) struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode); int issued; int err; + int dirty; if (ceph_snap(inode) != CEPH_NOSNAP) return -EROFS; @@ -833,12 +836,13 @@ int ceph_removexattr(struct dentry *dentry, const char *name) goto do_sync; err = __remove_xattr_by_name(ceph_inode(inode), name); - __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL); + dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL); ci->i_xattrs.dirty = true; inode->i_ctime = CURRENT_TIME; spin_unlock(&inode->i_lock); - + if (dirty) + __mark_inode_dirty(inode, dirty); return err; do_sync: spin_unlock(&inode->i_lock); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 4bc862a80efa..05f1dcf7d79a 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -274,7 +274,8 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB) char *data_area_of_target; char *data_area_of_buf2; int remaining; - __u16 byte_count, total_data_size, total_in_buf, total_in_buf2; + unsigned int byte_count, total_in_buf; + __u16 total_data_size, total_in_buf2; total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); @@ -287,7 +288,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB) remaining = total_data_size - total_in_buf; if (remaining < 0) - return -EINVAL; + return -EPROTO; if (remaining == 0) /* nothing to do, ignore */ return 0; @@ -308,20 +309,29 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB) data_area_of_target += total_in_buf; /* copy second buffer into end of first buffer */ - memcpy(data_area_of_target, data_area_of_buf2, total_in_buf2); total_in_buf += total_in_buf2; + /* is the result too big for the field? */ + if (total_in_buf > USHRT_MAX) + return -EPROTO; put_unaligned_le16(total_in_buf, &pSMBt->t2_rsp.DataCount); + + /* fix up the BCC */ byte_count = get_bcc_le(pTargetSMB); byte_count += total_in_buf2; + /* is the result too big for the field? */ + if (byte_count > USHRT_MAX) + return -EPROTO; put_bcc_le(byte_count, pTargetSMB); byte_count = pTargetSMB->smb_buf_length; byte_count += total_in_buf2; - - /* BB also add check that we are not beyond maximum buffer size */ - + /* don't allow buffer to overflow */ + if (byte_count > CIFSMaxBufSize) + return -ENOBUFS; pTargetSMB->smb_buf_length = byte_count; + memcpy(data_area_of_target, data_area_of_buf2, total_in_buf2); + if (remaining == total_in_buf2) { cFYI(1, "found the last secondary response"); return 0; /* we are done */ @@ -607,59 +617,63 @@ incomplete_rcv: list_for_each_safe(tmp, tmp2, &server->pending_mid_q) { mid_entry = list_entry(tmp, struct mid_q_entry, qhead); - if ((mid_entry->mid == smb_buffer->Mid) && - (mid_entry->midState == MID_REQUEST_SUBMITTED) && - (mid_entry->command == smb_buffer->Command)) { - if (length == 0 && - check2ndT2(smb_buffer, server->maxBuf) > 0) { - /* We have a multipart transact2 resp */ - isMultiRsp = true; - if (mid_entry->resp_buf) { - /* merge response - fix up 1st*/ - if (coalesce_t2(smb_buffer, - mid_entry->resp_buf)) { - mid_entry->multiRsp = - true; - break; - } else { - /* all parts received */ - mid_entry->multiEnd = - true; - goto multi_t2_fnd; - } + if (mid_entry->mid != smb_buffer->Mid || + mid_entry->midState != MID_REQUEST_SUBMITTED || + mid_entry->command != smb_buffer->Command) { + mid_entry = NULL; + continue; + } + + if (length == 0 && + check2ndT2(smb_buffer, server->maxBuf) > 0) { + /* We have a multipart transact2 resp */ + isMultiRsp = true; + if (mid_entry->resp_buf) { + /* merge response - fix up 1st*/ + length = coalesce_t2(smb_buffer, + mid_entry->resp_buf); + if (length > 0) { + length = 0; + mid_entry->multiRsp = true; + break; } else { - if (!isLargeBuf) { - cERROR(1, "1st trans2 resp needs bigbuf"); - /* BB maybe we can fix this up, switch - to already allocated large buffer? */ - } else { - /* Have first buffer */ - mid_entry->resp_buf = - smb_buffer; - mid_entry->largeBuf = - true; - bigbuf = NULL; - } + /* all parts received or + * packet is malformed + */ + mid_entry->multiEnd = true; + goto multi_t2_fnd; + } + } else { + if (!isLargeBuf) { + /* + * FIXME: switch to already + * allocated largebuf? + */ + cERROR(1, "1st trans2 resp " + "needs bigbuf"); + } else { + /* Have first buffer */ + mid_entry->resp_buf = + smb_buffer; + mid_entry->largeBuf = true; + bigbuf = NULL; } - break; } - mid_entry->resp_buf = smb_buffer; - mid_entry->largeBuf = isLargeBuf; + break; + } + mid_entry->resp_buf = smb_buffer; + mid_entry->largeBuf = isLargeBuf; multi_t2_fnd: - if (length == 0) - mid_entry->midState = - MID_RESPONSE_RECEIVED; - else - mid_entry->midState = - MID_RESPONSE_MALFORMED; + if (length == 0) + mid_entry->midState = MID_RESPONSE_RECEIVED; + else + mid_entry->midState = MID_RESPONSE_MALFORMED; #ifdef CONFIG_CIFS_STATS2 - mid_entry->when_received = jiffies; + mid_entry->when_received = jiffies; #endif - list_del_init(&mid_entry->qhead); - mid_entry->callback(mid_entry); - break; - } - mid_entry = NULL; + list_del_init(&mid_entry->qhead); + mid_entry->callback(mid_entry); + break; } spin_unlock(&GlobalMid_Lock); diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index f6728eb6f4b9..645114ad0a10 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -276,7 +276,7 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifsSesInfo *ses, } static void -decode_unicode_ssetup(char **pbcc_area, __u16 bleft, struct cifsSesInfo *ses, +decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifsSesInfo *ses, const struct nls_table *nls_cp) { int len; @@ -284,19 +284,6 @@ decode_unicode_ssetup(char **pbcc_area, __u16 bleft, struct cifsSesInfo *ses, cFYI(1, "bleft %d", bleft); - /* - * Windows servers do not always double null terminate their final - * Unicode string. Check to see if there are an uneven number of bytes - * left. If so, then add an extra NULL pad byte to the end of the - * response. - * - * See section 2.7.2 in "Implementing CIFS" for details - */ - if (bleft % 2) { - data[bleft] = 0; - ++bleft; - } - kfree(ses->serverOS); ses->serverOS = cifs_strndup_from_ucs(data, bleft, true, nls_cp); cFYI(1, "serverOS=%s", ses->serverOS); @@ -929,7 +916,9 @@ ssetup_ntlmssp_authenticate: } /* BB check if Unicode and decode strings */ - if (smb_buf->Flags2 & SMBFLG2_UNICODE) { + if (bytes_remaining == 0) { + /* no string area to decode, do nothing */ + } else if (smb_buf->Flags2 & SMBFLG2_UNICODE) { /* unicode string area must be word-aligned */ if (((unsigned long) bcc_ptr - (unsigned long) smb_buf) % 2) { ++bcc_ptr; diff --git a/fs/partitions/efi.c b/fs/partitions/efi.c index ac0ccb5026a2..19d6750d1d6c 100644 --- a/fs/partitions/efi.c +++ b/fs/partitions/efi.c @@ -348,6 +348,12 @@ static int is_gpt_valid(struct parsed_partitions *state, u64 lba, goto fail; } + /* Check that sizeof_partition_entry has the correct value */ + if (le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry)) { + pr_debug("GUID Partitition Entry Size check failed.\n"); + goto fail; + } + if (!(*ptes = alloc_read_gpt_entries(state, *gpt))) goto fail; diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h index 70e4efabe0fb..ebeb2f3ad068 100644 --- a/include/linux/flex_array.h +++ b/include/linux/flex_array.h @@ -61,7 +61,7 @@ struct flex_array { struct flex_array *flex_array_alloc(int element_size, unsigned int total, gfp_t flags); int flex_array_prealloc(struct flex_array *fa, unsigned int start, - unsigned int end, gfp_t flags); + unsigned int nr_elements, gfp_t flags); void flex_array_free(struct flex_array *fa); void flex_array_free_parts(struct flex_array *fa); int flex_array_put(struct flex_array *fa, unsigned int element_nr, void *src, diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 22b32af1b5ec..b5a550a39a70 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -37,6 +37,7 @@ struct trace_entry { unsigned char flags; unsigned char preempt_count; int pid; + int padding; }; #define FTRACE_MAX_EVENT \ diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 3a5c4449fd36..8b97308e65df 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -948,7 +948,7 @@ do { \ irqsafe_generic_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) # endif # define irqsafe_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ - __pcpu_double_call_return_int(irqsafe_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2)) + __pcpu_double_call_return_bool(irqsafe_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2)) #endif #endif /* __LINUX_PERCPU_H */ diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index a1147e5dd245..9178d5cc0b01 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -189,6 +189,10 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace) child->ptrace = current->ptrace; __ptrace_link(child, current->parent); } + +#ifdef CONFIG_HAVE_HW_BREAKPOINT + atomic_set(&child->ptrace_bp_refcnt, 1); +#endif } /** @@ -350,6 +354,13 @@ extern int task_current_syscall(struct task_struct *target, long *callno, unsigned long args[6], unsigned int maxargs, unsigned long *sp, unsigned long *pc); -#endif +#ifdef CONFIG_HAVE_HW_BREAKPOINT +extern int ptrace_get_breakpoints(struct task_struct *tsk); +extern void ptrace_put_breakpoints(struct task_struct *tsk); +#else +static inline void ptrace_put_breakpoints(struct task_struct *tsk) { } +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ + +#endif /* __KERNEL */ #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 18d63cea2848..781abd137673 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1537,6 +1537,9 @@ struct task_struct { unsigned long memsw_nr_pages; /* uncharged mem+swap usage */ } memcg_batch; #endif +#ifdef CONFIG_HAVE_HW_BREAKPOINT + atomic_t ptrace_bp_refcnt; +#endif }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ diff --git a/kernel/exit.c b/kernel/exit.c index f5d2f63bae0b..8dd874181542 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1016,7 +1016,7 @@ NORET_TYPE void do_exit(long code) /* * FIXME: do that only when needed, using sched_exit tracepoint */ - flush_ptrace_hw_breakpoint(tsk); + ptrace_put_breakpoints(tsk); exit_notify(tsk, group_dead); #ifdef CONFIG_NUMA diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 0fc1eed28d27..dc7ab65f3b36 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -22,6 +22,7 @@ #include <linux/syscalls.h> #include <linux/uaccess.h> #include <linux/regset.h> +#include <linux/hw_breakpoint.h> /* @@ -879,3 +880,19 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, return ret; } #endif /* CONFIG_COMPAT */ + +#ifdef CONFIG_HAVE_HW_BREAKPOINT +int ptrace_get_breakpoints(struct task_struct *tsk) +{ + if (atomic_inc_not_zero(&tsk->ptrace_bp_refcnt)) + return 0; + + return -1; +} + +void ptrace_put_breakpoints(struct task_struct *tsk) +{ + if (atomic_dec_and_test(&tsk->ptrace_bp_refcnt)) + flush_ptrace_hw_breakpoint(tsk); +} +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index d38c16a06a6f..1cb49be7c7fb 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1110,6 +1110,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags, entry->preempt_count = pc & 0xff; entry->pid = (tsk) ? tsk->pid : 0; + entry->padding = 0; entry->flags = #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT (irqs_disabled_flags(flags) ? TRACE_FLAG_IRQS_OFF : 0) | diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index e88f74fe1d4c..2fe110341359 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -116,6 +116,7 @@ static int trace_define_common_fields(void) __common_field(unsigned char, flags); __common_field(unsigned char, preempt_count); __common_field(int, pid); + __common_field(int, padding); return ret; } diff --git a/lib/flex_array.c b/lib/flex_array.c index c0ea40ba2082..854b57bd7d9d 100644 --- a/lib/flex_array.c +++ b/lib/flex_array.c @@ -232,10 +232,10 @@ EXPORT_SYMBOL(flex_array_clear); /** * flex_array_prealloc - guarantee that array space exists - * @fa: the flex array for which to preallocate parts - * @start: index of first array element for which space is allocated - * @end: index of last (inclusive) element for which space is allocated - * @flags: page allocation flags + * @fa: the flex array for which to preallocate parts + * @start: index of first array element for which space is allocated + * @nr_elements: number of elements for which space is allocated + * @flags: page allocation flags * * This will guarantee that no future calls to flex_array_put() * will allocate memory. It can be used if you are expecting to @@ -245,14 +245,24 @@ EXPORT_SYMBOL(flex_array_clear); * Locking must be provided by the caller. */ int flex_array_prealloc(struct flex_array *fa, unsigned int start, - unsigned int end, gfp_t flags) + unsigned int nr_elements, gfp_t flags) { int start_part; int end_part; int part_nr; + unsigned int end; struct flex_array_part *part; - if (start >= fa->total_nr_elements || end >= fa->total_nr_elements) + if (!start && !nr_elements) + return 0; + if (start >= fa->total_nr_elements) + return -ENOSPC; + if (!nr_elements) + return 0; + + end = start + nr_elements - 1; + + if (end >= fa->total_nr_elements) return -ENOSPC; if (elements_fit_in_base(fa)) return 0; @@ -343,6 +353,8 @@ int flex_array_shrink(struct flex_array *fa) int part_nr; int ret = 0; + if (!fa->total_nr_elements) + return 0; if (elements_fit_in_base(fa)) return ret; for (part_nr = 0; part_nr < FLEX_ARRAY_NR_BASE_PTRS; part_nr++) { diff --git a/mm/memory.c b/mm/memory.c index 607098d47e74..27f425378112 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1359,7 +1359,7 @@ split_fallthrough: */ mark_page_accessed(page); } - if (flags & FOLL_MLOCK) { + if ((flags & FOLL_MLOCK) && (vma->vm_flags & VM_LOCKED)) { /* * The preliminary mapping check is mainly to avoid the * pointless overhead of lock_page on the ZERO_PAGE @@ -1552,10 +1552,9 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, } /* - * If we don't actually want the page itself, - * and it's the stack guard page, just skip it. + * For mlock, just skip the stack guard page. */ - if (!pages && stack_guard_page(vma, start)) + if ((gup_flags & FOLL_MLOCK) && stack_guard_page(vma, start)) goto next_page; do { diff --git a/mm/mlock.c b/mm/mlock.c index 6b55e3efe0df..516b2c2ddd5a 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -162,7 +162,7 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma, VM_BUG_ON(end > vma->vm_end); VM_BUG_ON(!rwsem_is_locked(&mm->mmap_sem)); - gup_flags = FOLL_TOUCH; + gup_flags = FOLL_TOUCH | FOLL_MLOCK; /* * We want to touch writable mappings with a write fault in order * to break COW, except for shared mappings because these don't COW @@ -178,9 +178,6 @@ static long __mlock_vma_pages_range(struct vm_area_struct *vma, if (vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) gup_flags |= FOLL_FORCE; - if (vma->vm_flags & VM_LOCKED) - gup_flags |= FOLL_MLOCK; - return __get_user_pages(current, mm, addr, nr_pages, gup_flags, NULL, NULL, nonblocking); } diff --git a/mm/slub.c b/mm/slub.c index 94d2a33a866e..9d2e5e46bf09 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1940,7 +1940,7 @@ redo: * Since this is without lock semantics the protection is only against * code executing on this cpu *not* from access by other cpus. */ - if (unlikely(!this_cpu_cmpxchg_double( + if (unlikely(!irqsafe_cpu_cmpxchg_double( s->cpu_slab->freelist, s->cpu_slab->tid, object, tid, get_freepointer(s, object), next_tid(tid)))) { @@ -2145,7 +2145,7 @@ redo: set_freepointer(s, object, c->freelist); #ifdef CONFIG_CMPXCHG_LOCAL - if (unlikely(!this_cpu_cmpxchg_double( + if (unlikely(!irqsafe_cpu_cmpxchg_double( s->cpu_slab->freelist, s->cpu_slab->tid, c->freelist, tid, object, next_tid(tid)))) { diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 05f357828a2f..e15a82ccc05f 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2267,6 +2267,19 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) m->more_to_follow = false; m->pool = NULL; + /* middle */ + m->middle = NULL; + + /* data */ + m->nr_pages = 0; + m->page_alignment = 0; + m->pages = NULL; + m->pagelist = NULL; + m->bio = NULL; + m->bio_iter = NULL; + m->bio_seg = 0; + m->trail = NULL; + /* front */ if (front_len) { if (front_len > PAGE_CACHE_SIZE) { @@ -2286,19 +2299,6 @@ struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags) } m->front.iov_len = front_len; - /* middle */ - m->middle = NULL; - - /* data */ - m->nr_pages = 0; - m->page_alignment = 0; - m->pages = NULL; - m->pagelist = NULL; - m->bio = NULL; - m->bio_iter = NULL; - m->bio_seg = 0; - m->trail = NULL; - dout("ceph_msg_new %p front %d\n", m, front_len); return m; diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 5a80f41c0cba..6b5dda1cb5df 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -470,8 +470,8 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, snapc, ops, use_mempool, GFP_NOFS, NULL, NULL); - if (IS_ERR(req)) - return req; + if (!req) + return NULL; /* calculate max write size */ calc_layout(osdc, vino, layout, off, plen, req, ops); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index f7cf0ea6faea..8fb248843009 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1578,7 +1578,8 @@ static int may_create(struct inode *dir, return rc; if (!newsid || !(sbsec->flags & SE_SBLABELSUPP)) { - rc = security_transition_sid(sid, dsec->sid, tclass, NULL, &newsid); + rc = security_transition_sid(sid, dsec->sid, tclass, + &dentry->d_name, &newsid); if (rc) return rc; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index e7b850ad57ee..e6e7ce0d3d55 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -502,7 +502,7 @@ static int policydb_index(struct policydb *p) goto out; rc = flex_array_prealloc(p->type_val_to_struct_array, 0, - p->p_types.nprim - 1, GFP_KERNEL | __GFP_ZERO); + p->p_types.nprim, GFP_KERNEL | __GFP_ZERO); if (rc) goto out; @@ -519,7 +519,7 @@ static int policydb_index(struct policydb *p) goto out; rc = flex_array_prealloc(p->sym_val_to_name[i], - 0, p->symtab[i].nprim - 1, + 0, p->symtab[i].nprim, GFP_KERNEL | __GFP_ZERO); if (rc) goto out; @@ -2375,7 +2375,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; /* preallocate so we don't have to worry about the put ever failing */ - rc = flex_array_prealloc(p->type_attr_map_array, 0, p->p_types.nprim - 1, + rc = flex_array_prealloc(p->type_attr_map_array, 0, p->p_types.nprim, GFP_KERNEL | __GFP_ZERO); if (rc) goto bad; diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 207dee5c5b16..0c542563ea6c 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -35,15 +35,21 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ -e s/sh[234].*/sh/ ) +CC = $(CROSS_COMPILE)gcc +AR = $(CROSS_COMPILE)ar + # Additional ARCH settings for x86 ifeq ($(ARCH),i386) ARCH := x86 endif ifeq ($(ARCH),x86_64) - RAW_ARCH := x86_64 - ARCH := x86 - ARCH_CFLAGS := -DARCH_X86_64 - ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S + ARCH := x86 + IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1) + ifeq (${IS_X86_64}, 1) + RAW_ARCH := x86_64 + ARCH_CFLAGS := -DARCH_X86_64 + ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S + endif endif # @@ -119,8 +125,6 @@ lib = lib export prefix bindir sharedir sysconfdir -CC = $(CROSS_COMPILE)gcc -AR = $(CROSS_COMPILE)ar RM = rm -f MKDIR = mkdir FIND = find |