commit: 3254e809b0bacc10071a00edc184e5da0e45b6e7 Author: Mike Pagano <mpagano <AT> gentoo <DOT> org> AuthorDate: Tue Aug 4 00:04:03 2015 +0000 Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org> CommitDate: Tue Aug 4 00:04:03 2015 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=3254e809
Linux patch 3.10.85 0000_README | 4 + 1084_linux-3.10.85.patch | 2941 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 2945 insertions(+) diff --git a/0000_README b/0000_README index 3025db2..c441446 100644 --- a/0000_README +++ b/0000_README @@ -378,6 +378,10 @@ Patch: 1083_linux-3.10.84.patch From: http://www.kernel.org Desc: Linux 3.10.84 +Patch: 1084_linux-3.10.85.patch +From: http://www.kernel.org +Desc: Linux 3.10.85 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1084_linux-3.10.85.patch b/1084_linux-3.10.85.patch new file mode 100644 index 0000000..fcc7952 --- /dev/null +++ b/1084_linux-3.10.85.patch @@ -0,0 +1,2941 @@ +diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt +index 01ef408e205f..8faff12e7014 100644 +--- a/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt ++++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-370-pinctrl.txt +@@ -91,5 +91,5 @@ mpp61 61 gpo, dev(wen1), uart1(txd), audio(rclk) + mpp62 62 gpio, dev(a2), uart1(cts), tdm(drx), pcie(clkreq0), + audio(mclk), uart0(cts) + mpp63 63 gpo, spi0(sck), tclk +-mpp64 64 gpio, spi0(miso), spi0-1(cs1) +-mpp65 65 gpio, spi0(mosi), spi0-1(cs2) ++mpp64 64 gpio, spi0(miso), spi0(cs1) ++mpp65 65 gpio, spi0(mosi), spi0(cs2) +diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-xp-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-xp-pinctrl.txt +index bfa0a2e5e0cb..86dec67e5450 100644 +--- a/Documentation/devicetree/bindings/pinctrl/marvell,armada-xp-pinctrl.txt ++++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-xp-pinctrl.txt +@@ -41,15 +41,15 @@ mpp20 20 gpio, ge0(rxd4), ge1(rxd2), lcd(d20), ptp(clk) + mpp21 21 gpio, ge0(rxd5), ge1(rxd3), lcd(d21), mem(bat) + mpp22 22 gpio, ge0(rxd6), ge1(rxctl), lcd(d22), sata0(prsnt) + mpp23 23 gpio, ge0(rxd7), ge1(rxclk), lcd(d23), sata1(prsnt) +-mpp24 24 gpio, lcd(hsync), sata1(prsnt), nf(bootcs-re), tdm(rst) +-mpp25 25 gpio, lcd(vsync), sata0(prsnt), nf(bootcs-we), tdm(pclk) +-mpp26 26 gpio, lcd(clk), tdm(fsync), vdd(cpu1-pd) ++mpp24 24 gpio, lcd(hsync), sata1(prsnt), tdm(rst) ++mpp25 25 gpio, lcd(vsync), sata0(prsnt), tdm(pclk) ++mpp26 26 gpio, lcd(clk), tdm(fsync) + mpp27 27 gpio, lcd(e), tdm(dtx), ptp(trig) + mpp28 28 gpio, lcd(pwm), tdm(drx), ptp(evreq) +-mpp29 29 gpio, lcd(ref-clk), tdm(int0), ptp(clk), vdd(cpu0-pd) ++mpp29 29 gpio, lcd(ref-clk), tdm(int0), ptp(clk) + mpp30 30 gpio, tdm(int1), sd0(clk) +-mpp31 31 gpio, tdm(int2), sd0(cmd), vdd(cpu0-pd) +-mpp32 32 gpio, tdm(int3), sd0(d0), vdd(cpu1-pd) ++mpp31 31 gpio, tdm(int2), sd0(cmd) ++mpp32 32 gpio, tdm(int3), sd0(d0) + mpp33 33 gpio, tdm(int4), sd0(d1), mem(bat) + mpp34 34 gpio, tdm(int5), sd0(d2), sata0(prsnt) + mpp35 35 gpio, tdm(int6), sd0(d3), sata1(prsnt) +@@ -57,21 +57,18 @@ mpp36 36 gpio, spi(mosi) + mpp37 37 gpio, spi(miso) + mpp38 38 gpio, spi(sck) + mpp39 39 gpio, spi(cs0) +-mpp40 40 gpio, spi(cs1), uart2(cts), lcd(vga-hsync), vdd(cpu1-pd), +- pcie(clkreq0) ++mpp40 40 gpio, spi(cs1), uart2(cts), lcd(vga-hsync), pcie(clkreq0) + mpp41 41 gpio, spi(cs2), uart2(rts), lcd(vga-vsync), sata1(prsnt), + pcie(clkreq1) +-mpp42 42 gpio, uart2(rxd), uart0(cts), tdm(int7), tdm-1(timer), +- vdd(cpu0-pd) +-mpp43 43 gpio, uart2(txd), uart0(rts), spi(cs3), pcie(rstout), +- vdd(cpu2-3-pd){1} ++mpp42 42 gpio, uart2(rxd), uart0(cts), tdm(int7), tdm-1(timer) ++mpp43 43 gpio, uart2(txd), uart0(rts), spi(cs3), pcie(rstout) + mpp44 44 gpio, uart2(cts), uart3(rxd), spi(cs4), pcie(clkreq2), + mem(bat) + mpp45 45 gpio, uart2(rts), uart3(txd), spi(cs5), sata1(prsnt) + mpp46 46 gpio, uart3(rts), uart1(rts), spi(cs6), sata0(prsnt) + mpp47 47 gpio, uart3(cts), uart1(cts), spi(cs7), pcie(clkreq3), + ref(clkout) +-mpp48 48 gpio, tclk, dev(burst/last) ++mpp48 48 gpio, dev(clkout), dev(burst/last) + + * Marvell Armada XP (mv78260 and mv78460 only) + +@@ -83,9 +80,9 @@ mpp51 51 gpio, dev(ad16) + mpp52 52 gpio, dev(ad17) + mpp53 53 gpio, dev(ad18) + mpp54 54 gpio, dev(ad19) +-mpp55 55 gpio, dev(ad20), vdd(cpu0-pd) +-mpp56 56 gpio, dev(ad21), vdd(cpu1-pd) +-mpp57 57 gpio, dev(ad22), vdd(cpu2-3-pd){1} ++mpp55 55 gpio, dev(ad20) ++mpp56 56 gpio, dev(ad21) ++mpp57 57 gpio, dev(ad22) + mpp58 58 gpio, dev(ad23) + mpp59 59 gpio, dev(ad24) + mpp60 60 gpio, dev(ad25) +@@ -95,6 +92,3 @@ mpp63 63 gpio, dev(ad28) + mpp64 64 gpio, dev(ad29) + mpp65 65 gpio, dev(ad30) + mpp66 66 gpio, dev(ad31) +- +-Notes: +-* {1} vdd(cpu2-3-pd) only available on mv78460. +diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt +index 22ed6797216d..4d1673ca8cf8 100644 +--- a/Documentation/devicetree/bindings/spi/spi_pl022.txt ++++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt +@@ -4,9 +4,9 @@ Required properties: + - compatible : "arm,pl022", "arm,primecell" + - reg : Offset and length of the register set for the device + - interrupts : Should contain SPI controller interrupt ++- num-cs : total number of chipselects + + Optional properties: +-- num-cs : total number of chipselects + - cs-gpios : should specify GPIOs used for chipselects. + The gpios will be referred to as reg = <index> in the SPI child nodes. + If unspecified, a single SPI device without a chip select can be used. +diff --git a/Makefile b/Makefile +index f7b10bb56737..11a7e7bc31f2 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 3 + PATCHLEVEL = 10 +-SUBLEVEL = 84 ++SUBLEVEL = 85 + EXTRAVERSION = + NAME = TOSSUG Baby Fish + +diff --git a/arch/arc/include/asm/cmpxchg.h b/arch/arc/include/asm/cmpxchg.h +index 03cd6894855d..90de5c528da2 100644 +--- a/arch/arc/include/asm/cmpxchg.h ++++ b/arch/arc/include/asm/cmpxchg.h +@@ -25,10 +25,11 @@ __cmpxchg(volatile void *ptr, unsigned long expected, unsigned long new) + " scond %3, [%1] \n" + " bnz 1b \n" + "2: \n" +- : "=&r"(prev) +- : "r"(ptr), "ir"(expected), +- "r"(new) /* can't be "ir". scond can't take limm for "b" */ +- : "cc"); ++ : "=&r"(prev) /* Early clobber, to prevent reg reuse */ ++ : "r"(ptr), /* Not "m": llock only supports reg direct addr mode */ ++ "ir"(expected), ++ "r"(new) /* can't be "ir". scond can't take LIMM for "b" */ ++ : "cc", "memory"); /* so that gcc knows memory is being written here */ + + return prev; + } +diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile +index 6d20b7d162d8..fdda6dd71ac6 100644 +--- a/arch/arm64/kernel/vdso/Makefile ++++ b/arch/arm64/kernel/vdso/Makefile +@@ -15,6 +15,10 @@ ccflags-y := -shared -fno-common -fno-builtin + ccflags-y += -nostdlib -Wl,-soname=linux-vdso.so.1 \ + $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) + ++# Workaround for bare-metal (ELF) toolchains that neglect to pass -shared ++# down to collect2, resulting in silent corruption of the vDSO image. ++ccflags-y += -Wl,-shared ++ + obj-y += vdso.o + extra-y += vdso.lds vdso-offsets.h + CPPFLAGS_vdso.lds += -P -C -U$(ARCH) +diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c +index baa758d37021..76c1e6cd36fc 100644 +--- a/arch/arm64/mm/context.c ++++ b/arch/arm64/mm/context.c +@@ -92,6 +92,14 @@ static void reset_context(void *info) + unsigned int cpu = smp_processor_id(); + struct mm_struct *mm = current->active_mm; + ++ /* ++ * current->active_mm could be init_mm for the idle thread immediately ++ * after secondary CPU boot or hotplug. TTBR0_EL1 is already set to ++ * the reserved value, so no need to reset any context. ++ */ ++ if (mm == &init_mm) ++ return; ++ + smp_rmb(); + asid = cpu_last_asid + cpu; + +diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c +index f497ca77925a..5c5516611b5e 100644 +--- a/arch/arm64/mm/init.c ++++ b/arch/arm64/mm/init.c +@@ -262,7 +262,7 @@ static void __init free_unused_memmap(void) + * memmap entries are valid from the bank end aligned to + * MAX_ORDER_NR_PAGES. + */ +- prev_end = ALIGN(start + __phys_to_pfn(reg->size), ++ prev_end = ALIGN(__phys_to_pfn(reg->base + reg->size), + MAX_ORDER_NR_PAGES); + } + +diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c +index e75ef8219caf..c76f297b7149 100644 +--- a/arch/mips/kvm/kvm_mips_emul.c ++++ b/arch/mips/kvm/kvm_mips_emul.c +@@ -1626,7 +1626,7 @@ kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, struct kvm_run *run) + if (vcpu->mmio_needed == 2) + *gpr = *(int16_t *) run->mmio.data; + else +- *gpr = *(int16_t *) run->mmio.data; ++ *gpr = *(uint16_t *)run->mmio.data; + + break; + case 1: +diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c +index 41ebaaf8bb1a..ee58a62443bd 100644 +--- a/drivers/acpi/acpica/utxfinit.c ++++ b/drivers/acpi/acpica/utxfinit.c +@@ -165,10 +165,12 @@ acpi_status acpi_enable_subsystem(u32 flags) + * Obtain a permanent mapping for the FACS. This is required for the + * Global Lock and the Firmware Waking Vector + */ +- status = acpi_tb_initialize_facs(); +- if (ACPI_FAILURE(status)) { +- ACPI_WARNING((AE_INFO, "Could not map the FACS table")); +- return_ACPI_STATUS(status); ++ if (!(flags & ACPI_NO_FACS_INIT)) { ++ status = acpi_tb_initialize_facs(); ++ if (ACPI_FAILURE(status)) { ++ ACPI_WARNING((AE_INFO, "Could not map the FACS table")); ++ return_ACPI_STATUS(status); ++ } + } + #endif /* !ACPI_REDUCED_HARDWARE */ + +diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c +index 5d47a040129a..53d35b6fd8bb 100644 +--- a/drivers/ata/libata-core.c ++++ b/drivers/ata/libata-core.c +@@ -4150,9 +4150,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { + { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | + ATA_HORKAGE_FIRMWARE_WARN }, + +- /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ ++ /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ + { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, ++ { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, + + /* Blacklist entries taken from Silicon Image 3124/3132 + Windows driver .inf file - also several Linux problem reports */ +@@ -4200,6 +4201,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { + { "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER }, + { "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER }, + ++ /* devices that don't properly handle TRIM commands */ ++ { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, ++ + /* + * Some WD SATA-I drives spin up and down erratically when the link + * is put into the slumber mode. We don't have full list of the +@@ -4504,7 +4508,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) + else /* In the ancient relic department - skip all of this */ + return 0; + +- err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); ++ /* On some disks, this command causes spin-up, so we need longer timeout */ ++ err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000); + + DPRINTK("EXIT, err_mask=%x\n", err_mask); + return err_mask; +diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c +index 9933b4db7caf..04e7db668362 100644 +--- a/drivers/ata/libata-scsi.c ++++ b/drivers/ata/libata-scsi.c +@@ -2512,7 +2512,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) + rbuf[14] = (lowest_aligned >> 8) & 0x3f; + rbuf[15] = lowest_aligned; + +- if (ata_id_has_trim(args->id)) { ++ if (ata_id_has_trim(args->id) && ++ !(dev->horkage & ATA_HORKAGE_NOTRIM)) { + rbuf[14] |= 0x80; /* TPE */ + + if (ata_id_has_zero_after_trim(args->id)) +diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c +index 00a565676583..8e08fab0ed2e 100644 +--- a/drivers/base/firmware_class.c ++++ b/drivers/base/firmware_class.c +@@ -513,10 +513,8 @@ static void fw_dev_release(struct device *dev) + module_put(THIS_MODULE); + } + +-static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) ++static int do_firmware_uevent(struct firmware_priv *fw_priv, struct kobj_uevent_env *env) + { +- struct firmware_priv *fw_priv = to_firmware_priv(dev); +- + if (add_uevent_var(env, "FIRMWARE=%s", fw_priv->buf->fw_id)) + return -ENOMEM; + if (add_uevent_var(env, "TIMEOUT=%i", loading_timeout)) +@@ -527,6 +525,18 @@ static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) + return 0; + } + ++static int firmware_uevent(struct device *dev, struct kobj_uevent_env *env) ++{ ++ struct firmware_priv *fw_priv = to_firmware_priv(dev); ++ int err = 0; ++ ++ mutex_lock(&fw_lock); ++ if (fw_priv->buf) ++ err = do_firmware_uevent(fw_priv, env); ++ mutex_unlock(&fw_lock); ++ return err; ++} ++ + static struct class firmware_class = { + .name = "firmware", + .class_attrs = firmware_class_attrs, +diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c +index 6a66f0b7d3d4..4f3d70a9d721 100644 +--- a/drivers/base/regmap/regmap.c ++++ b/drivers/base/regmap/regmap.c +@@ -1586,7 +1586,7 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, + &ival); + if (ret != 0) + return ret; +- memcpy(val + (i * val_bytes), &ival, val_bytes); ++ map->format.format_val(val + (i * val_bytes), ival, 0); + } + } + +diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c +index dd297099c99d..f78cbbb88bd4 100644 +--- a/drivers/block/rbd.c ++++ b/drivers/block/rbd.c +@@ -1851,11 +1851,11 @@ static struct rbd_obj_request *rbd_obj_request_create(const char *object_name, + rbd_assert(obj_request_type_valid(type)); + + size = strlen(object_name) + 1; +- name = kmalloc(size, GFP_KERNEL); ++ name = kmalloc(size, GFP_NOIO); + if (!name) + return NULL; + +- obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_KERNEL); ++ obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_NOIO); + if (!obj_request) { + kfree(name); + return NULL; +diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c +index 92b985317770..537ad6897784 100644 +--- a/drivers/bluetooth/btusb.c ++++ b/drivers/bluetooth/btusb.c +@@ -1234,6 +1234,8 @@ static int btusb_setup_intel(struct hci_dev *hdev) + } + fw_ptr = fw->data; + ++ kfree_skb(skb); ++ + /* This Intel specific command enables the manufacturer mode of the + * controller. + * +diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c +index b8e2014cb9cb..051aadb75e2c 100644 +--- a/drivers/char/agp/intel-gtt.c ++++ b/drivers/char/agp/intel-gtt.c +@@ -583,7 +583,7 @@ static inline int needs_ilk_vtd_wa(void) + /* Query intel_iommu to see if we need the workaround. Presumably that + * was loaded first. + */ +- if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || ++ if ((gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG || + gpu_devid == PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG) && + intel_iommu_gfx_mapped) + return 1; +diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c +index 09df26f9621d..a6524c3efdf7 100644 +--- a/drivers/char/tpm/tpm_ibmvtpm.c ++++ b/drivers/char/tpm/tpm_ibmvtpm.c +@@ -618,6 +618,9 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, + goto cleanup; + } + ++ ibmvtpm->dev = dev; ++ ibmvtpm->vdev = vio_dev; ++ + crq_q = &ibmvtpm->crq_queue; + crq_q->crq_addr = (struct ibmvtpm_crq *)get_zeroed_page(GFP_KERNEL); + if (!crq_q->crq_addr) { +@@ -662,8 +665,6 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, + + crq_q->index = 0; + +- ibmvtpm->dev = dev; +- ibmvtpm->vdev = vio_dev; + TPM_VPRIV(chip) = (void *)ibmvtpm; + + spin_lock_init(&ibmvtpm->rtce_lock); +diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c +index c3a93fece819..5b11022d7745 100644 +--- a/drivers/cpuidle/cpuidle.c ++++ b/drivers/cpuidle/cpuidle.c +@@ -135,6 +135,9 @@ int cpuidle_idle_call(void) + + /* ask the governor for the next state */ + next_state = cpuidle_curr_governor->select(drv, dev); ++ if (next_state < 0) ++ return -EBUSY; ++ + if (need_resched()) { + dev->last_residency = 0; + /* give the governor an opportunity to reflect on the outcome */ +diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c +index bc580b67a652..67fd901f6fc9 100644 +--- a/drivers/cpuidle/governors/menu.c ++++ b/drivers/cpuidle/governors/menu.c +@@ -269,7 +269,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) + data->needs_update = 0; + } + +- data->last_state_idx = 0; ++ data->last_state_idx = CPUIDLE_DRIVER_STATE_START - 1; + data->exit_us = 0; + + /* Special case when user has set very strict latency requirement */ +diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c +index d64ae14f2706..43092c317897 100644 +--- a/drivers/dma/mv_xor.c ++++ b/drivers/dma/mv_xor.c +@@ -393,7 +393,8 @@ static void __mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan) + dma_cookie_t cookie = 0; + int busy = mv_chan_is_busy(mv_chan); + u32 current_desc = mv_chan_get_current_desc(mv_chan); +- int seen_current = 0; ++ int current_cleaned = 0; ++ struct mv_xor_desc *hw_desc; + + dev_dbg(mv_chan_to_devp(mv_chan), "%s %d\n", __func__, __LINE__); + dev_dbg(mv_chan_to_devp(mv_chan), "current_desc %x\n", current_desc); +@@ -405,38 +406,57 @@ static void __mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan) + + list_for_each_entry_safe(iter, _iter, &mv_chan->chain, + chain_node) { +- prefetch(_iter); +- prefetch(&_iter->async_tx); + +- /* do not advance past the current descriptor loaded into the +- * hardware channel, subsequent descriptors are either in +- * process or have not been submitted +- */ +- if (seen_current) +- break; ++ /* clean finished descriptors */ ++ hw_desc = iter->hw_desc; ++ if (hw_desc->status & XOR_DESC_SUCCESS) { ++ cookie = mv_xor_run_tx_complete_actions(iter, mv_chan, ++ cookie); + +- /* stop the search if we reach the current descriptor and the +- * channel is busy +- */ +- if (iter->async_tx.phys == current_desc) { +- seen_current = 1; +- if (busy) ++ /* done processing desc, clean slot */ ++ mv_xor_clean_slot(iter, mv_chan); ++ ++ /* break if we did cleaned the current */ ++ if (iter->async_tx.phys == current_desc) { ++ current_cleaned = 1; ++ break; ++ } ++ } else { ++ if (iter->async_tx.phys == current_desc) { ++ current_cleaned = 0; + break; ++ } + } +- +- cookie = mv_xor_run_tx_complete_actions(iter, mv_chan, cookie); +- +- if (mv_xor_clean_slot(iter, mv_chan)) +- break; + } + + if ((busy == 0) && !list_empty(&mv_chan->chain)) { +- struct mv_xor_desc_slot *chain_head; +- chain_head = list_entry(mv_chan->chain.next, +- struct mv_xor_desc_slot, +- chain_node); +- +- mv_xor_start_new_chain(mv_chan, chain_head); ++ if (current_cleaned) { ++ /* ++ * current descriptor cleaned and removed, run ++ * from list head ++ */ ++ iter = list_entry(mv_chan->chain.next, ++ struct mv_xor_desc_slot, ++ chain_node); ++ mv_xor_start_new_chain(mv_chan, iter); ++ } else { ++ if (!list_is_last(&iter->chain_node, &mv_chan->chain)) { ++ /* ++ * descriptors are still waiting after ++ * current, trigger them ++ */ ++ iter = list_entry(iter->chain_node.next, ++ struct mv_xor_desc_slot, ++ chain_node); ++ mv_xor_start_new_chain(mv_chan, iter); ++ } else { ++ /* ++ * some descriptors are still waiting ++ * to be cleaned ++ */ ++ tasklet_schedule(&mv_chan->irq_tasklet); ++ } ++ } + } + + if (cookie > 0) +diff --git a/drivers/dma/mv_xor.h b/drivers/dma/mv_xor.h +index c632a4761fcf..e003851cd4e5 100644 +--- a/drivers/dma/mv_xor.h ++++ b/drivers/dma/mv_xor.h +@@ -32,6 +32,7 @@ + #define XOR_OPERATION_MODE_XOR 0 + #define XOR_OPERATION_MODE_MEMCPY 2 + #define XOR_OPERATION_MODE_MEMSET 4 ++#define XOR_DESC_SUCCESS 0x40000000 + + #define XOR_CURR_DESC(chan) (chan->mmr_base + 0x210 + (chan->idx * 4)) + #define XOR_NEXT_DESC(chan) (chan->mmr_base + 0x200 + (chan->idx * 4)) +diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c +index 8759d699bd8e..c24c35606836 100644 +--- a/drivers/gpu/drm/drm_crtc.c ++++ b/drivers/gpu/drm/drm_crtc.c +@@ -1955,8 +1955,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + +- /* For some reason crtc x/y offsets are signed internally. */ +- if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) ++ /* ++ * Universal plane src offsets are only 16.16, prevent havoc for ++ * drivers using universal plane code internally. ++ */ ++ if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) + return -ERANGE; + + drm_modeset_lock_all(dev); +diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c +index f86771481317..5a48d7419baf 100644 +--- a/drivers/gpu/drm/qxl/qxl_cmd.c ++++ b/drivers/gpu/drm/qxl/qxl_cmd.c +@@ -500,6 +500,7 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev, + + cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); + cmd->type = QXL_SURFACE_CMD_CREATE; ++ cmd->flags = QXL_SURF_FLAG_KEEP_DATA; + cmd->u.surface_create.format = surf->surf.format; + cmd->u.surface_create.width = surf->surf.width; + cmd->u.surface_create.height = surf->surf.height; +diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c +index 2915a1c56934..c4bb0bc2a1d9 100644 +--- a/drivers/gpu/drm/radeon/radeon_gart.c ++++ b/drivers/gpu/drm/radeon/radeon_gart.c +@@ -251,8 +251,10 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, + } + } + } +- mb(); +- radeon_gart_tlb_flush(rdev); ++ if (rdev->gart.ptr) { ++ mb(); ++ radeon_gart_tlb_flush(rdev); ++ } + } + + /** +@@ -294,8 +296,10 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, + } + } + } +- mb(); +- radeon_gart_tlb_flush(rdev); ++ if (rdev->gart.ptr) { ++ mb(); ++ radeon_gart_tlb_flush(rdev); ++ } + return 0; + } + +diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c +index 1fe12ab5c5ea..db83d075606e 100644 +--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c ++++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c +@@ -73,10 +73,12 @@ static void radeon_hotplug_work_func(struct work_struct *work) + struct drm_mode_config *mode_config = &dev->mode_config; + struct drm_connector *connector; + ++ mutex_lock(&mode_config->mutex); + if (mode_config->num_connector) { + list_for_each_entry(connector, &mode_config->connector_list, head) + radeon_connector_hotplug(connector); + } ++ mutex_unlock(&mode_config->mutex); + /* Just fire off a uevent and let userspace tell us what to do */ + drm_helper_hpd_irq_event(dev); + } +diff --git a/drivers/hwmon/mcp3021.c b/drivers/hwmon/mcp3021.c +index eedb32292d6d..f712cc785ef2 100644 +--- a/drivers/hwmon/mcp3021.c ++++ b/drivers/hwmon/mcp3021.c +@@ -31,14 +31,11 @@ + /* output format */ + #define MCP3021_SAR_SHIFT 2 + #define MCP3021_SAR_MASK 0x3ff +- + #define MCP3021_OUTPUT_RES 10 /* 10-bit resolution */ +-#define MCP3021_OUTPUT_SCALE 4 + + #define MCP3221_SAR_SHIFT 0 + #define MCP3221_SAR_MASK 0xfff + #define MCP3221_OUTPUT_RES 12 /* 12-bit resolution */ +-#define MCP3221_OUTPUT_SCALE 1 + + enum chips { + mcp3021, +@@ -54,7 +51,6 @@ struct mcp3021_data { + u16 sar_shift; + u16 sar_mask; + u8 output_res; +- u8 output_scale; + }; + + static int mcp3021_read16(struct i2c_client *client) +@@ -84,13 +80,7 @@ static int mcp3021_read16(struct i2c_client *client) + + static inline u16 volts_from_reg(struct mcp3021_data *data, u16 val) + { +- if (val == 0) +- return 0; +- +- val = val * data->output_scale - data->output_scale / 2; +- +- return val * DIV_ROUND_CLOSEST(data->vdd, +- (1 << data->output_res) * data->output_scale); ++ return DIV_ROUND_CLOSEST(data->vdd * val, 1 << data->output_res); + } + + static ssize_t show_in_input(struct device *dev, struct device_attribute *attr, +@@ -132,14 +122,12 @@ static int mcp3021_probe(struct i2c_client *client, + data->sar_shift = MCP3021_SAR_SHIFT; + data->sar_mask = MCP3021_SAR_MASK; + data->output_res = MCP3021_OUTPUT_RES; +- data->output_scale = MCP3021_OUTPUT_SCALE; + break; + + case mcp3221: + data->sar_shift = MCP3221_SAR_SHIFT; + data->sar_mask = MCP3221_SAR_MASK; + data->output_res = MCP3221_OUTPUT_RES; +- data->output_scale = MCP3221_OUTPUT_SCALE; + break; + } + +diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c +index 09324d0178d5..ceabcfeb587c 100644 +--- a/drivers/i2c/busses/i2c-at91.c ++++ b/drivers/i2c/busses/i2c-at91.c +@@ -63,6 +63,9 @@ + #define AT91_TWI_UNRE 0x0080 /* Underrun Error */ + #define AT91_TWI_NACK 0x0100 /* Not Acknowledged */ + ++#define AT91_TWI_INT_MASK \ ++ (AT91_TWI_TXCOMP | AT91_TWI_RXRDY | AT91_TWI_TXRDY | AT91_TWI_NACK) ++ + #define AT91_TWI_IER 0x0024 /* Interrupt Enable Register */ + #define AT91_TWI_IDR 0x0028 /* Interrupt Disable Register */ + #define AT91_TWI_IMR 0x002c /* Interrupt Mask Register */ +@@ -118,13 +121,12 @@ static void at91_twi_write(struct at91_twi_dev *dev, unsigned reg, unsigned val) + + static void at91_disable_twi_interrupts(struct at91_twi_dev *dev) + { +- at91_twi_write(dev, AT91_TWI_IDR, +- AT91_TWI_TXCOMP | AT91_TWI_RXRDY | AT91_TWI_TXRDY); ++ at91_twi_write(dev, AT91_TWI_IDR, AT91_TWI_INT_MASK); + } + + static void at91_twi_irq_save(struct at91_twi_dev *dev) + { +- dev->imr = at91_twi_read(dev, AT91_TWI_IMR) & 0x7; ++ dev->imr = at91_twi_read(dev, AT91_TWI_IMR) & AT91_TWI_INT_MASK; + at91_disable_twi_interrupts(dev); + } + +@@ -214,6 +216,14 @@ static void at91_twi_write_data_dma_callback(void *data) + dma_unmap_single(dev->dev, sg_dma_address(&dev->dma.sg), + dev->buf_len, DMA_TO_DEVICE); + ++ /* ++ * When this callback is called, THR/TX FIFO is likely not to be empty ++ * yet. So we have to wait for TXCOMP or NACK bits to be set into the ++ * Status Register to be sure that the STOP bit has been sent and the ++ * transfer is completed. The NACK interrupt has already been enabled, ++ * we just have to enable TXCOMP one. ++ */ ++ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); + at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_STOP); + } + +@@ -308,7 +318,7 @@ static void at91_twi_read_data_dma_callback(void *data) + /* The last two bytes have to be read without using dma */ + dev->buf += dev->buf_len - 2; + dev->buf_len = 2; +- at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_RXRDY); ++ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_RXRDY | AT91_TWI_TXCOMP); + } + + static void at91_twi_read_data_dma(struct at91_twi_dev *dev) +@@ -369,7 +379,7 @@ static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id) + /* catch error flags */ + dev->transfer_status |= status; + +- if (irqstatus & AT91_TWI_TXCOMP) { ++ if (irqstatus & (AT91_TWI_TXCOMP | AT91_TWI_NACK)) { + at91_disable_twi_interrupts(dev); + complete(&dev->cmd_complete); + } +@@ -382,6 +392,34 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) + int ret; + bool has_unre_flag = dev->pdata->has_unre_flag; + ++ /* ++ * WARNING: the TXCOMP bit in the Status Register is NOT a clear on ++ * read flag but shows the state of the transmission at the time the ++ * Status Register is read. According to the programmer datasheet, ++ * TXCOMP is set when both holding register and internal shifter are ++ * empty and STOP condition has been sent. ++ * Consequently, we should enable NACK interrupt rather than TXCOMP to ++ * detect transmission failure. ++ * ++ * Besides, the TXCOMP bit is already set before the i2c transaction ++ * has been started. For read transactions, this bit is cleared when ++ * writing the START bit into the Control Register. So the ++ * corresponding interrupt can safely be enabled just after. ++ * However for write transactions managed by the CPU, we first write ++ * into THR, so TXCOMP is cleared. Then we can safely enable TXCOMP ++ * interrupt. If TXCOMP interrupt were enabled before writing into THR, ++ * the interrupt handler would be called immediately and the i2c command ++ * would be reported as completed. ++ * Also when a write transaction is managed by the DMA controller, ++ * enabling the TXCOMP interrupt in this function may lead to a race ++ * condition since we don't know whether the TXCOMP interrupt is enabled ++ * before or after the DMA has started to write into THR. So the TXCOMP ++ * interrupt is enabled later by at91_twi_write_data_dma_callback(). ++ * Immediately after in that DMA callback, we still need to send the ++ * STOP condition manually writing the corresponding bit into the ++ * Control Register. ++ */ ++ + dev_dbg(dev->dev, "transfer: %s %d bytes.\n", + (dev->msg->flags & I2C_M_RD) ? "read" : "write", dev->buf_len); + +@@ -412,26 +450,24 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) + * seems to be the best solution. + */ + if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) { ++ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_NACK); + at91_twi_read_data_dma(dev); +- /* +- * It is important to enable TXCOMP irq here because +- * doing it only when transferring the last two bytes +- * will mask NACK errors since TXCOMP is set when a +- * NACK occurs. +- */ +- at91_twi_write(dev, AT91_TWI_IER, +- AT91_TWI_TXCOMP); +- } else ++ } else { + at91_twi_write(dev, AT91_TWI_IER, +- AT91_TWI_TXCOMP | AT91_TWI_RXRDY); ++ AT91_TWI_TXCOMP | ++ AT91_TWI_NACK | ++ AT91_TWI_RXRDY); ++ } + } else { + if (dev->use_dma && (dev->buf_len > AT91_I2C_DMA_THRESHOLD)) { ++ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_NACK); + at91_twi_write_data_dma(dev); +- at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); + } else { + at91_twi_write_next_byte(dev); + at91_twi_write(dev, AT91_TWI_IER, +- AT91_TWI_TXCOMP | AT91_TWI_TXRDY); ++ AT91_TWI_TXCOMP | ++ AT91_TWI_NACK | ++ AT91_TWI_TXRDY); + } + } + +diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c +index bb298aaff321..6deac5af1cfd 100644 +--- a/drivers/iio/dac/ad5624r_spi.c ++++ b/drivers/iio/dac/ad5624r_spi.c +@@ -22,7 +22,7 @@ + #include "ad5624r.h" + + static int ad5624r_spi_write(struct spi_device *spi, +- u8 cmd, u8 addr, u16 val, u8 len) ++ u8 cmd, u8 addr, u16 val, u8 shift) + { + u32 data; + u8 msg[3]; +@@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, + * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, + * for the AD5664R, AD5644R, and AD5624R, respectively. + */ +- data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); ++ data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); + msg[0] = data >> 16; + msg[1] = data >> 8; + msg[2] = data; +diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c +index 8019e642d2f5..43aa807d78bd 100644 +--- a/drivers/infiniband/ulp/isert/ib_isert.c ++++ b/drivers/infiniband/ulp/isert/ib_isert.c +@@ -49,6 +49,8 @@ static int + isert_rdma_accept(struct isert_conn *isert_conn); + struct rdma_cm_id *isert_setup_id(struct isert_np *isert_np); + ++static void isert_release_work(struct work_struct *work); ++ + static void + isert_qp_event_callback(struct ib_event *e, void *context) + { +@@ -202,7 +204,7 @@ fail: + static void + isert_free_rx_descriptors(struct isert_conn *isert_conn) + { +- struct ib_device *ib_dev = isert_conn->conn_cm_id->device; ++ struct ib_device *ib_dev = isert_conn->conn_device->ib_device; + struct iser_rx_desc *rx_desc; + int i; + +@@ -432,6 +434,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) + init_completion(&isert_conn->conn_wait_comp_err); + kref_init(&isert_conn->conn_kref); + mutex_init(&isert_conn->conn_mutex); ++ INIT_WORK(&isert_conn->release_work, isert_release_work); + + isert_conn->conn_cm_id = cma_id; + isert_conn->responder_resources = event->param.conn.responder_resources; +@@ -527,14 +530,15 @@ out: + static void + isert_connect_release(struct isert_conn *isert_conn) + { +- struct ib_device *ib_dev = isert_conn->conn_cm_id->device; + struct isert_device *device = isert_conn->conn_device; + int cq_index; ++ struct ib_device *ib_dev = device->ib_device; + + pr_debug("Entering isert_connect_release(): >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n"); + + isert_free_rx_descriptors(isert_conn); +- rdma_destroy_id(isert_conn->conn_cm_id); ++ if (isert_conn->conn_cm_id) ++ rdma_destroy_id(isert_conn->conn_cm_id); + + if (isert_conn->conn_qp) { + cq_index = ((struct isert_cq_desc *) +@@ -673,6 +677,7 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, + { + struct isert_np *isert_np = cma_id->context; + struct isert_conn *isert_conn; ++ bool terminating = false; + + if (isert_np->np_cm_id == cma_id) + return isert_np_cma_handler(cma_id->context, event); +@@ -680,21 +685,37 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id, + isert_conn = cma_id->qp->qp_context; + + mutex_lock(&isert_conn->conn_mutex); ++ terminating = (isert_conn->state == ISER_CONN_TERMINATING); + isert_conn_terminate(isert_conn); + mutex_unlock(&isert_conn->conn_mutex); + + pr_info("conn %p completing conn_wait\n", isert_conn); + complete(&isert_conn->conn_wait); + ++ if (terminating) ++ goto out; ++ ++ mutex_lock(&isert_np->np_accept_mutex); ++ if (!list_empty(&isert_conn->conn_accept_node)) { ++ list_del_init(&isert_conn->conn_accept_node); ++ isert_put_conn(isert_conn); ++ queue_work(isert_release_wq, &isert_conn->release_work); ++ } ++ mutex_unlock(&isert_np->np_accept_mutex); ++ ++out: + return 0; + } + +-static void ++static int + isert_connect_error(struct rdma_cm_id *cma_id) + { + struct isert_conn *isert_conn = cma_id->qp->qp_context; + ++ isert_conn->conn_cm_id = NULL; + isert_put_conn(isert_conn); ++ ++ return -1; + } + + static int +@@ -724,7 +745,7 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) + case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */ + case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */ + case RDMA_CM_EVENT_CONNECT_ERROR: +- isert_connect_error(cma_id); ++ ret = isert_connect_error(cma_id); + break; + default: + pr_err("Unhandled RDMA CMA event: %d\n", event->event); +@@ -2418,7 +2439,6 @@ static void isert_wait_conn(struct iscsi_conn *conn) + + wait_for_completion(&isert_conn->conn_wait_comp_err); + +- INIT_WORK(&isert_conn->release_work, isert_release_work); + queue_work(isert_release_wq, &isert_conn->release_work); + } + +diff --git a/drivers/md/md.c b/drivers/md/md.c +index aaf77b07bb72..631fe3e9c6e5 100644 +--- a/drivers/md/md.c ++++ b/drivers/md/md.c +@@ -6221,7 +6221,7 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) + mddev->ctime != info->ctime || + mddev->level != info->level || + /* mddev->layout != info->layout || */ +- !mddev->persistent != info->not_persistent|| ++ mddev->persistent != !info->not_persistent || + mddev->chunk_sectors != info->chunk_size >> 9 || + /* ignore bottom 8 bits of state, and allow SB_BITMAP_PRESENT to change */ + ((state^info->state) & 0xfffffe00) +diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c +index b88757cd0d1d..a03178e91a79 100644 +--- a/drivers/md/persistent-data/dm-btree-remove.c ++++ b/drivers/md/persistent-data/dm-btree-remove.c +@@ -309,8 +309,8 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, + + if (s < 0 && nr_center < -s) { + /* not enough in central node */ +- shift(left, center, nr_center); +- s = nr_center - target; ++ shift(left, center, -nr_center); ++ s += nr_center; + shift(left, right, s); + nr_right += s; + } else +@@ -323,7 +323,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, + if (s > 0 && nr_center < s) { + /* not enough in central node */ + shift(center, right, nr_center); +- s = target - nr_center; ++ s -= nr_center; + shift(left, right, s); + nr_left -= s; + } else +diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c +index 0a7592e88811..e3ecb0b824b5 100644 +--- a/drivers/md/persistent-data/dm-btree.c ++++ b/drivers/md/persistent-data/dm-btree.c +@@ -240,7 +240,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) + int r; + struct del_stack *s; + +- s = kmalloc(sizeof(*s), GFP_KERNEL); ++ s = kmalloc(sizeof(*s), GFP_NOIO); + if (!s) + return -ENOMEM; + s->tm = info->tm; +diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c +index fb504f1e9125..5930aee6b5d0 100644 +--- a/drivers/media/dvb-frontends/af9013.c ++++ b/drivers/media/dvb-frontends/af9013.c +@@ -606,6 +606,10 @@ static int af9013_set_frontend(struct dvb_frontend *fe) + } + } + ++ /* Return an error if can't find bandwidth or the right clock */ ++ if (i == ARRAY_SIZE(coeff_lut)) ++ return -EINVAL; ++ + ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val, + sizeof(coeff_lut[i].val)); + } +diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c +index 2916d7c74a1d..7bc68b355c0b 100644 +--- a/drivers/media/dvb-frontends/cx24116.c ++++ b/drivers/media/dvb-frontends/cx24116.c +@@ -963,6 +963,10 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend *fe, + struct cx24116_state *state = fe->demodulator_priv; + int i, ret; + ++ /* Validate length */ ++ if (d->msg_len > sizeof(d->msg)) ++ return -EINVAL; ++ + /* Dump DiSEqC message */ + if (debug) { + printk(KERN_INFO "cx24116: %s(", __func__); +@@ -974,10 +978,6 @@ static int cx24116_send_diseqc_msg(struct dvb_frontend *fe, + printk(") toneburst=%d\n", toneburst); + } + +- /* Validate length */ +- if (d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS)) +- return -EINVAL; +- + /* DiSEqC message */ + for (i = 0; i < d->msg_len; i++) + state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i]; +diff --git a/drivers/media/dvb-frontends/s5h1420.c b/drivers/media/dvb-frontends/s5h1420.c +index 93eeaf7118fd..0b4f8fe6bf99 100644 +--- a/drivers/media/dvb-frontends/s5h1420.c ++++ b/drivers/media/dvb-frontends/s5h1420.c +@@ -180,7 +180,7 @@ static int s5h1420_send_master_cmd (struct dvb_frontend* fe, + int result = 0; + + dprintk("enter %s\n", __func__); +- if (cmd->msg_len > 8) ++ if (cmd->msg_len > sizeof(cmd->msg)) + return -EINVAL; + + /* setup for DISEQC */ +diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c +index 56998eca1a8d..885ba4a19a6c 100644 +--- a/drivers/mmc/card/block.c ++++ b/drivers/mmc/card/block.c +@@ -202,6 +202,8 @@ static ssize_t power_ro_lock_show(struct device *dev, + + ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + ++ mmc_blk_put(md); ++ + return ret; + } + +@@ -1833,9 +1835,11 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc) + break; + case MMC_BLK_CMD_ERR: + ret = mmc_blk_cmd_err(md, card, brq, req, ret); +- if (!mmc_blk_reset(md, card->host, type)) +- break; +- goto cmd_abort; ++ if (mmc_blk_reset(md, card->host, type)) ++ goto cmd_abort; ++ if (!ret) ++ goto start_new_req; ++ break; + case MMC_BLK_RETRY: + if (retry++ < 5) + break; +diff --git a/drivers/mtd/maps/dc21285.c b/drivers/mtd/maps/dc21285.c +index f8a7dd14cee0..70a3db3ab856 100644 +--- a/drivers/mtd/maps/dc21285.c ++++ b/drivers/mtd/maps/dc21285.c +@@ -38,9 +38,9 @@ static void nw_en_write(void) + * we want to write a bit pattern XXX1 to Xilinx to enable + * the write gate, which will be open for about the next 2ms. + */ +- spin_lock_irqsave(&nw_gpio_lock, flags); ++ raw_spin_lock_irqsave(&nw_gpio_lock, flags); + nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE); +- spin_unlock_irqrestore(&nw_gpio_lock, flags); ++ raw_spin_unlock_irqrestore(&nw_gpio_lock, flags); + + /* + * let the ISA bus to catch on... +diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c +index 5073cbc796d8..32d5e40c6863 100644 +--- a/drivers/mtd/mtd_blkdevs.c ++++ b/drivers/mtd/mtd_blkdevs.c +@@ -199,6 +199,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) + return -ERESTARTSYS; /* FIXME: busy loop! -arnd*/ + + mutex_lock(&dev->lock); ++ mutex_lock(&mtd_table_mutex); + + if (dev->open) + goto unlock; +@@ -222,6 +223,7 @@ static int blktrans_open(struct block_device *bdev, fmode_t mode) + + unlock: + dev->open++; ++ mutex_unlock(&mtd_table_mutex); + mutex_unlock(&dev->lock); + blktrans_dev_put(dev); + return ret; +@@ -232,6 +234,7 @@ error_release: + error_put: + module_put(dev->tr->owner); + kref_put(&dev->ref, blktrans_dev_release); ++ mutex_unlock(&mtd_table_mutex); + mutex_unlock(&dev->lock); + blktrans_dev_put(dev); + return ret; +@@ -245,6 +248,7 @@ static void blktrans_release(struct gendisk *disk, fmode_t mode) + return; + + mutex_lock(&dev->lock); ++ mutex_lock(&mtd_table_mutex); + + if (--dev->open) + goto unlock; +@@ -258,6 +262,7 @@ static void blktrans_release(struct gendisk *disk, fmode_t mode) + __put_mtd_device(dev->mtd); + } + unlock: ++ mutex_unlock(&mtd_table_mutex); + mutex_unlock(&dev->lock); + blktrans_dev_put(dev); + } +diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c +index 82a1b5b16b62..c7f23d271058 100644 +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -195,11 +195,13 @@ static bool ath_prepare_reset(struct ath_softc *sc) + ath9k_debug_samp_bb_mac(sc); + ath9k_hw_disable_interrupts(ah); + +- if (!ath_drain_all_txq(sc)) +- ret = false; +- +- if (!ath_stoprecv(sc)) +- ret = false; ++ if (AR_SREV_9300_20_OR_LATER(ah)) { ++ ret &= ath_stoprecv(sc); ++ ret &= ath_drain_all_txq(sc); ++ } else { ++ ret &= ath_drain_all_txq(sc); ++ ret &= ath_stoprecv(sc); ++ } + + return ret; + } +diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h +index 615a45a8fe86..582688fe7505 100644 +--- a/drivers/pcmcia/topic.h ++++ b/drivers/pcmcia/topic.h +@@ -104,6 +104,9 @@ + #define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */ + #define TOPIC_EXCA_IFC_33V_ENA 0x01 + ++#define TOPIC_PCI_CFG_PPBCN 0x3e /* 16-bit */ ++#define TOPIC_PCI_CFG_PPBCN_WBEN 0x0400 ++ + static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff) + { + struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); +@@ -138,6 +141,7 @@ static int topic97_override(struct yenta_socket *socket) + static int topic95_override(struct yenta_socket *socket) + { + u8 fctrl; ++ u16 ppbcn; + + /* enable 3.3V support for 16bit cards */ + fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL); +@@ -146,6 +150,18 @@ static int topic95_override(struct yenta_socket *socket) + /* tell yenta to use exca registers to power 16bit cards */ + socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF; + ++ /* Disable write buffers to prevent lockups under load with numerous ++ Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the ++ net. This is not a power-on default according to the datasheet ++ but some BIOSes seem to set it. */ ++ if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0 ++ && socket->dev->revision <= 7 ++ && (ppbcn & TOPIC_PCI_CFG_PPBCN_WBEN)) { ++ ppbcn &= ~TOPIC_PCI_CFG_PPBCN_WBEN; ++ pci_write_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, ppbcn); ++ dev_info(&socket->dev->dev, "Disabled ToPIC95 Cardbus write buffers.\n"); ++ } ++ + return 0; + } + +diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-370.c b/drivers/pinctrl/mvebu/pinctrl-armada-370.c +index 48e21a229483..c99e64ac8e08 100644 +--- a/drivers/pinctrl/mvebu/pinctrl-armada-370.c ++++ b/drivers/pinctrl/mvebu/pinctrl-armada-370.c +@@ -358,11 +358,11 @@ static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = { + MPP_MODE(64, + MPP_FUNCTION(0x0, "gpio", NULL), + MPP_FUNCTION(0x1, "spi0", "miso"), +- MPP_FUNCTION(0x2, "spi0-1", "cs1")), ++ MPP_FUNCTION(0x2, "spi0", "cs1")), + MPP_MODE(65, + MPP_FUNCTION(0x0, "gpio", NULL), + MPP_FUNCTION(0x1, "spi0", "mosi"), +- MPP_FUNCTION(0x2, "spi0-1", "cs2")), ++ MPP_FUNCTION(0x2, "spi0", "cs2")), + }; + + static struct mvebu_pinctrl_soc_info armada_370_pinctrl_info; +diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +index ab5dc04b3e8a..5923a9ef70cc 100644 +--- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c ++++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +@@ -14,10 +14,7 @@ + * available: mv78230, mv78260 and mv78460. From a pin muxing + * perspective, the mv78230 has 49 MPP pins. The mv78260 and mv78460 + * both have 67 MPP pins (more GPIOs and address lines for the memory +- * bus mainly). The only difference between the mv78260 and the +- * mv78460 in terms of pin muxing is the addition of two functions on +- * pins 43 and 56 to access the VDD of the CPU2 and 3 (mv78260 has two +- * cores, mv78460 has four cores). ++ * bus mainly). + */ + + #include <linux/err.h> +@@ -159,20 +156,17 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_MODE(24, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sata1", "prsnt", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x2, "nf", "bootcs-re", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "tdm", "rst", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x4, "lcd", "hsync", V_MV78230_PLUS)), + MPP_MODE(25, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sata0", "prsnt", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x2, "nf", "bootcs-we", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "tdm", "pclk", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x4, "lcd", "vsync", V_MV78230_PLUS)), + MPP_MODE(26, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "tdm", "fsync", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x4, "lcd", "clk", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu1-pd", V_MV78230_PLUS)), ++ MPP_VAR_FUNCTION(0x4, "lcd", "clk", V_MV78230_PLUS)), + MPP_MODE(27, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "ptp", "trig", V_MV78230_PLUS), +@@ -187,8 +181,7 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "ptp", "clk", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "tdm", "int0", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), ++ MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS)), + MPP_MODE(30, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sd0", "clk", V_MV78230_PLUS), +@@ -196,13 +189,11 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_MODE(31, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sd0", "cmd", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x3, "tdm", "int2", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), ++ MPP_VAR_FUNCTION(0x3, "tdm", "int2", V_MV78230_PLUS)), + MPP_MODE(32, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sd0", "d0", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x3, "tdm", "int3", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu1-pd", V_MV78230_PLUS)), ++ MPP_VAR_FUNCTION(0x3, "tdm", "int3", V_MV78230_PLUS)), + MPP_MODE(33, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "sd0", "d1", V_MV78230_PLUS), +@@ -234,7 +225,6 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "spi", "cs1", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x2, "uart2", "cts", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x3, "vdd", "cpu1-pd", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x4, "lcd", "vga-hsync", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x5, "pcie", "clkreq0", V_MV78230_PLUS)), + MPP_MODE(41, +@@ -249,15 +239,13 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_VAR_FUNCTION(0x1, "uart2", "rxd", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x2, "uart0", "cts", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "tdm", "int7", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x4, "tdm-1", "timer", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu0-pd", V_MV78230_PLUS)), ++ MPP_VAR_FUNCTION(0x4, "tdm-1", "timer", V_MV78230_PLUS)), + MPP_MODE(43, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "uart2", "txd", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x2, "uart0", "rts", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x3, "spi", "cs3", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x4, "pcie", "rstout", V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x5, "vdd", "cpu2-3-pd", V_MV78460)), ++ MPP_VAR_FUNCTION(0x4, "pcie", "rstout", V_MV78230_PLUS)), + MPP_MODE(44, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x1, "uart2", "cts", V_MV78230_PLUS), +@@ -286,7 +274,7 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_VAR_FUNCTION(0x5, "pcie", "clkreq3", V_MV78230_PLUS)), + MPP_MODE(48, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS), +- MPP_VAR_FUNCTION(0x1, "tclk", NULL, V_MV78230_PLUS), ++ MPP_VAR_FUNCTION(0x1, "dev", "clkout", V_MV78230_PLUS), + MPP_VAR_FUNCTION(0x2, "dev", "burst/last", V_MV78230_PLUS)), + MPP_MODE(49, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), +@@ -308,16 +296,13 @@ static struct mvebu_mpp_mode armada_xp_mpp_modes[] = { + MPP_VAR_FUNCTION(0x1, "dev", "ad19", V_MV78260_PLUS)), + MPP_MODE(55, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x1, "dev", "ad20", V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x2, "vdd", "cpu0-pd", V_MV78260_PLUS)), ++ MPP_VAR_FUNCTION(0x1, "dev", "ad20", V_MV78260_PLUS)), + MPP_MODE(56, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x1, "dev", "ad21", V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x2, "vdd", "cpu1-pd", V_MV78260_PLUS)), ++ MPP_VAR_FUNCTION(0x1, "dev", "ad21", V_MV78260_PLUS)), + MPP_MODE(57, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x1, "dev", "ad22", V_MV78260_PLUS), +- MPP_VAR_FUNCTION(0x2, "vdd", "cpu2-3-pd", V_MV78460)), ++ MPP_VAR_FUNCTION(0x1, "dev", "ad22", V_MV78260_PLUS)), + MPP_MODE(58, + MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS), + MPP_VAR_FUNCTION(0x1, "dev", "ad23", V_MV78260_PLUS)), +diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c +index 283212aa103c..70ccc2010054 100644 +--- a/drivers/regulator/core.c ++++ b/drivers/regulator/core.c +@@ -769,7 +769,7 @@ static int suspend_prepare(struct regulator_dev *rdev, suspend_state_t state) + static void print_constraints(struct regulator_dev *rdev) + { + struct regulation_constraints *constraints = rdev->constraints; +- char buf[80] = ""; ++ char buf[160] = ""; + int count = 0; + int ret; + +diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h +index 535f57328a72..c19911554036 100644 +--- a/drivers/scsi/ipr.h ++++ b/drivers/scsi/ipr.h +@@ -257,7 +257,7 @@ + #define IPR_RUNTIME_RESET 0x40000000 + + #define IPR_IPL_INIT_MIN_STAGE_TIME 5 +-#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 15 ++#define IPR_IPL_INIT_DEFAULT_STAGE_TIME 30 + #define IPR_IPL_INIT_STAGE_UNKNOWN 0x0 + #define IPR_IPL_INIT_STAGE_TRANSOP 0xB0000000 + #define IPR_IPL_INIT_STAGE_MASK 0xff000000 +diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c +index d2a4c75e5b8f..813e9d8ba351 100644 +--- a/drivers/scsi/qla2xxx/qla_isr.c ++++ b/drivers/scsi/qla2xxx/qla_isr.c +@@ -523,8 +523,9 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) + struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; + struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; + struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; +- uint32_t rscn_entry, host_pid; ++ uint32_t rscn_entry, host_pid, tmp_pid; + unsigned long flags; ++ fc_port_t *fcport = NULL; + + /* Setup to process RIO completion. */ + handle_cnt = 0; +@@ -918,6 +919,20 @@ skip_rio: + if (qla2x00_is_a_vp_did(vha, rscn_entry)) + break; + ++ /* ++ * Search for the rport related to this RSCN entry and mark it ++ * as lost. ++ */ ++ list_for_each_entry(fcport, &vha->vp_fcports, list) { ++ if (atomic_read(&fcport->state) != FCS_ONLINE) ++ continue; ++ tmp_pid = fcport->d_id.b24; ++ if (fcport->d_id.b24 == rscn_entry) { ++ qla2x00_mark_device_lost(vha, fcport, 0, 0); ++ break; ++ } ++ } ++ + atomic_set(&vha->loop_down_timer, 0); + vha->flags.management_server_logged_in = 0; + +diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c +index d59a74aa3048..4b25f3afb8dc 100644 +--- a/drivers/staging/rtl8712/rtl8712_recv.c ++++ b/drivers/staging/rtl8712/rtl8712_recv.c +@@ -1075,7 +1075,8 @@ static int recvbuf2recvframe(struct _adapter *padapter, struct sk_buff *pskb) + /* for first fragment packet, driver need allocate 1536 + + * drvinfo_sz + RXDESC_SIZE to defrag packet. */ + if ((mf == 1) && (frag == 0)) +- alloc_sz = 1658;/*1658+6=1664, 1664 is 128 alignment.*/ ++ /*1658+6=1664, 1664 is 128 alignment.*/ ++ alloc_sz = max_t(u16, tmp_len, 1658); + else + alloc_sz = tmp_len; + /* 2 is for IP header 4 bytes alignment in QoS packet case. +diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c +index 5a3ea20e9cb5..3c293ad6ae70 100644 +--- a/drivers/target/iscsi/iscsi_target.c ++++ b/drivers/target/iscsi/iscsi_target.c +@@ -518,7 +518,7 @@ static struct iscsit_transport iscsi_target_transport = { + + static int __init iscsi_target_init_module(void) + { +- int ret = 0; ++ int ret = 0, size; + + pr_debug("iSCSI-Target "ISCSIT_VERSION"\n"); + +@@ -527,6 +527,7 @@ static int __init iscsi_target_init_module(void) + pr_err("Unable to allocate memory for iscsit_global\n"); + return -1; + } ++ spin_lock_init(&iscsit_global->ts_bitmap_lock); + mutex_init(&auth_id_lock); + spin_lock_init(&sess_idr_lock); + idr_init(&tiqn_idr); +@@ -536,15 +537,11 @@ static int __init iscsi_target_init_module(void) + if (ret < 0) + goto out; + +- ret = iscsi_thread_set_init(); +- if (ret < 0) ++ size = BITS_TO_LONGS(ISCSIT_BITMAP_BITS) * sizeof(long); ++ iscsit_global->ts_bitmap = vzalloc(size); ++ if (!iscsit_global->ts_bitmap) { ++ pr_err("Unable to allocate iscsit_global->ts_bitmap\n"); + goto configfs_out; +- +- if (iscsi_allocate_thread_sets(TARGET_THREAD_SET_COUNT) != +- TARGET_THREAD_SET_COUNT) { +- pr_err("iscsi_allocate_thread_sets() returned" +- " unexpected value!\n"); +- goto ts_out1; + } + + lio_cmd_cache = kmem_cache_create("lio_cmd_cache", +@@ -553,7 +550,7 @@ static int __init iscsi_target_init_module(void) + if (!lio_cmd_cache) { + pr_err("Unable to kmem_cache_create() for" + " lio_cmd_cache\n"); +- goto ts_out2; ++ goto bitmap_out; + } + + lio_qr_cache = kmem_cache_create("lio_qr_cache", +@@ -608,10 +605,8 @@ qr_out: + kmem_cache_destroy(lio_qr_cache); + cmd_out: + kmem_cache_destroy(lio_cmd_cache); +-ts_out2: +- iscsi_deallocate_thread_sets(); +-ts_out1: +- iscsi_thread_set_free(); ++bitmap_out: ++ vfree(iscsit_global->ts_bitmap); + configfs_out: + iscsi_target_deregister_configfs(); + out: +@@ -621,8 +616,6 @@ out: + + static void __exit iscsi_target_cleanup_module(void) + { +- iscsi_deallocate_thread_sets(); +- iscsi_thread_set_free(); + iscsit_release_discovery_tpg(); + iscsit_unregister_transport(&iscsi_target_transport); + kmem_cache_destroy(lio_cmd_cache); +@@ -633,6 +626,7 @@ static void __exit iscsi_target_cleanup_module(void) + + iscsi_target_deregister_configfs(); + ++ vfree(iscsit_global->ts_bitmap); + kfree(iscsit_global); + } + +@@ -3590,17 +3584,16 @@ static int iscsit_send_reject( + + void iscsit_thread_get_cpumask(struct iscsi_conn *conn) + { +- struct iscsi_thread_set *ts = conn->thread_set; + int ord, cpu; + /* +- * thread_id is assigned from iscsit_global->ts_bitmap from +- * within iscsi_thread_set.c:iscsi_allocate_thread_sets() ++ * bitmap_id is assigned from iscsit_global->ts_bitmap from ++ * within iscsit_start_kthreads() + * +- * Here we use thread_id to determine which CPU that this +- * iSCSI connection's iscsi_thread_set will be scheduled to ++ * Here we use bitmap_id to determine which CPU that this ++ * iSCSI connection's RX/TX threads will be scheduled to + * execute upon. + */ +- ord = ts->thread_id % cpumask_weight(cpu_online_mask); ++ ord = conn->bitmap_id % cpumask_weight(cpu_online_mask); + for_each_online_cpu(cpu) { + if (ord-- == 0) { + cpumask_set_cpu(cpu, conn->conn_cpumask); +@@ -3792,7 +3785,7 @@ check_rsp_state: + switch (state) { + case ISTATE_SEND_LOGOUTRSP: + if (!iscsit_logout_post_handler(cmd, conn)) +- goto restart; ++ return -ECONNRESET; + /* fall through */ + case ISTATE_SEND_STATUS: + case ISTATE_SEND_ASYNCMSG: +@@ -3820,8 +3813,6 @@ check_rsp_state: + + err: + return -1; +-restart: +- return -EAGAIN; + } + + static int iscsit_handle_response_queue(struct iscsi_conn *conn) +@@ -3848,21 +3839,13 @@ static int iscsit_handle_response_queue(struct iscsi_conn *conn) + int iscsi_target_tx_thread(void *arg) + { + int ret = 0; +- struct iscsi_conn *conn; +- struct iscsi_thread_set *ts = arg; ++ struct iscsi_conn *conn = arg; + /* + * Allow ourselves to be interrupted by SIGINT so that a + * connection recovery / failure event can be triggered externally. + */ + allow_signal(SIGINT); + +-restart: +- conn = iscsi_tx_thread_pre_handler(ts); +- if (!conn) +- goto out; +- +- ret = 0; +- + while (!kthread_should_stop()) { + /* + * Ensure that both TX and RX per connection kthreads +@@ -3871,11 +3854,9 @@ restart: + iscsit_thread_check_cpumask(conn, current, 1); + + wait_event_interruptible(conn->queues_wq, +- !iscsit_conn_all_queues_empty(conn) || +- ts->status == ISCSI_THREAD_SET_RESET); ++ !iscsit_conn_all_queues_empty(conn)); + +- if ((ts->status == ISCSI_THREAD_SET_RESET) || +- signal_pending(current)) ++ if (signal_pending(current)) + goto transport_err; + + get_immediate: +@@ -3886,15 +3867,14 @@ get_immediate: + ret = iscsit_handle_response_queue(conn); + if (ret == 1) + goto get_immediate; +- else if (ret == -EAGAIN) +- goto restart; ++ else if (ret == -ECONNRESET) ++ goto out; + else if (ret < 0) + goto transport_err; + } + + transport_err: + iscsit_take_action_for_connection_exit(conn); +- goto restart; + out: + return 0; + } +@@ -3979,8 +3959,7 @@ int iscsi_target_rx_thread(void *arg) + int ret; + u8 buffer[ISCSI_HDR_LEN], opcode; + u32 checksum = 0, digest = 0; +- struct iscsi_conn *conn = NULL; +- struct iscsi_thread_set *ts = arg; ++ struct iscsi_conn *conn = arg; + struct kvec iov; + /* + * Allow ourselves to be interrupted by SIGINT so that a +@@ -3988,11 +3967,6 @@ int iscsi_target_rx_thread(void *arg) + */ + allow_signal(SIGINT); + +-restart: +- conn = iscsi_rx_thread_pre_handler(ts); +- if (!conn) +- goto out; +- + if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) { + struct completion comp; + int rc; +@@ -4002,7 +3976,7 @@ restart: + if (rc < 0) + goto transport_err; + +- goto out; ++ goto transport_err; + } + + while (!kthread_should_stop()) { +@@ -4085,8 +4059,6 @@ transport_err: + if (!signal_pending(current)) + atomic_set(&conn->transport_failed, 1); + iscsit_take_action_for_connection_exit(conn); +- goto restart; +-out: + return 0; + } + +@@ -4148,7 +4120,24 @@ int iscsit_close_connection( + if (conn->conn_transport->transport_type == ISCSI_TCP) + complete(&conn->conn_logout_comp); + +- iscsi_release_thread_set(conn); ++ if (!strcmp(current->comm, ISCSI_RX_THREAD_NAME)) { ++ if (conn->tx_thread && ++ cmpxchg(&conn->tx_thread_active, true, false)) { ++ send_sig(SIGINT, conn->tx_thread, 1); ++ kthread_stop(conn->tx_thread); ++ } ++ } else if (!strcmp(current->comm, ISCSI_TX_THREAD_NAME)) { ++ if (conn->rx_thread && ++ cmpxchg(&conn->rx_thread_active, true, false)) { ++ send_sig(SIGINT, conn->rx_thread, 1); ++ kthread_stop(conn->rx_thread); ++ } ++ } ++ ++ spin_lock(&iscsit_global->ts_bitmap_lock); ++ bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, ++ get_order(1)); ++ spin_unlock(&iscsit_global->ts_bitmap_lock); + + iscsit_stop_timers_for_cmds(conn); + iscsit_stop_nopin_response_timer(conn); +@@ -4427,15 +4416,13 @@ static void iscsit_logout_post_handler_closesession( + struct iscsi_conn *conn) + { + struct iscsi_session *sess = conn->sess; +- +- iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD); +- iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD); ++ int sleep = cmpxchg(&conn->tx_thread_active, true, false); + + atomic_set(&conn->conn_logout_remove, 0); + complete(&conn->conn_logout_comp); + + iscsit_dec_conn_usage_count(conn); +- iscsit_stop_session(sess, 1, 1); ++ iscsit_stop_session(sess, sleep, sleep); + iscsit_dec_session_usage_count(sess); + target_put_session(sess->se_sess); + } +@@ -4443,13 +4430,12 @@ static void iscsit_logout_post_handler_closesession( + static void iscsit_logout_post_handler_samecid( + struct iscsi_conn *conn) + { +- iscsi_set_thread_clear(conn, ISCSI_CLEAR_TX_THREAD); +- iscsi_set_thread_set_signal(conn, ISCSI_SIGNAL_TX_THREAD); ++ int sleep = cmpxchg(&conn->tx_thread_active, true, false); + + atomic_set(&conn->conn_logout_remove, 0); + complete(&conn->conn_logout_comp); + +- iscsit_cause_connection_reinstatement(conn, 1); ++ iscsit_cause_connection_reinstatement(conn, sleep); + iscsit_dec_conn_usage_count(conn); + } + +diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h +index e117870eb445..815bf5b1a4ae 100644 +--- a/drivers/target/iscsi/iscsi_target_core.h ++++ b/drivers/target/iscsi/iscsi_target_core.h +@@ -586,6 +586,11 @@ struct iscsi_conn { + struct iscsi_session *sess; + /* Pointer to thread_set in use for this conn's threads */ + struct iscsi_thread_set *thread_set; ++ int bitmap_id; ++ int rx_thread_active; ++ struct task_struct *rx_thread; ++ int tx_thread_active; ++ struct task_struct *tx_thread; + /* list_head for session connection list */ + struct list_head conn_list; + } ____cacheline_aligned; +@@ -862,10 +867,12 @@ struct iscsit_global { + /* Unique identifier used for the authentication daemon */ + u32 auth_id; + u32 inactive_ts; ++#define ISCSIT_BITMAP_BITS 262144 + /* Thread Set bitmap count */ + int ts_bitmap_count; + /* Thread Set bitmap pointer */ + unsigned long *ts_bitmap; ++ spinlock_t ts_bitmap_lock; + /* Used for iSCSI discovery session authentication */ + struct iscsi_node_acl discovery_acl; + struct iscsi_portal_group *discovery_tpg; +diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c +index 08bd87833321..fab67eea54c0 100644 +--- a/drivers/target/iscsi/iscsi_target_erl0.c ++++ b/drivers/target/iscsi/iscsi_target_erl0.c +@@ -866,7 +866,10 @@ void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *conn) + } + spin_unlock_bh(&conn->state_lock); + +- iscsi_thread_set_force_reinstatement(conn); ++ if (conn->tx_thread && conn->tx_thread_active) ++ send_sig(SIGINT, conn->tx_thread, 1); ++ if (conn->rx_thread && conn->rx_thread_active) ++ send_sig(SIGINT, conn->rx_thread, 1); + + sleep: + wait_for_completion(&conn->conn_wait_rcfr_comp); +@@ -891,10 +894,10 @@ void iscsit_cause_connection_reinstatement(struct iscsi_conn *conn, int sleep) + return; + } + +- if (iscsi_thread_set_force_reinstatement(conn) < 0) { +- spin_unlock_bh(&conn->state_lock); +- return; +- } ++ if (conn->tx_thread && conn->tx_thread_active) ++ send_sig(SIGINT, conn->tx_thread, 1); ++ if (conn->rx_thread && conn->rx_thread_active) ++ send_sig(SIGINT, conn->rx_thread, 1); + + atomic_set(&conn->connection_reinstatement, 1); + if (!sleep) { +diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c +index 0493e8b1ba8f..797b2e2acc35 100644 +--- a/drivers/target/iscsi/iscsi_target_login.c ++++ b/drivers/target/iscsi/iscsi_target_login.c +@@ -683,7 +683,52 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn) + iscsit_start_nopin_timer(conn); + } + +-static int iscsi_post_login_handler( ++int iscsit_start_kthreads(struct iscsi_conn *conn) ++{ ++ int ret = 0; ++ ++ spin_lock(&iscsit_global->ts_bitmap_lock); ++ conn->bitmap_id = bitmap_find_free_region(iscsit_global->ts_bitmap, ++ ISCSIT_BITMAP_BITS, get_order(1)); ++ spin_unlock(&iscsit_global->ts_bitmap_lock); ++ ++ if (conn->bitmap_id < 0) { ++ pr_err("bitmap_find_free_region() failed for" ++ " iscsit_start_kthreads()\n"); ++ return -ENOMEM; ++ } ++ ++ conn->tx_thread = kthread_run(iscsi_target_tx_thread, conn, ++ "%s", ISCSI_TX_THREAD_NAME); ++ if (IS_ERR(conn->tx_thread)) { ++ pr_err("Unable to start iscsi_target_tx_thread\n"); ++ ret = PTR_ERR(conn->tx_thread); ++ goto out_bitmap; ++ } ++ conn->tx_thread_active = true; ++ ++ conn->rx_thread = kthread_run(iscsi_target_rx_thread, conn, ++ "%s", ISCSI_RX_THREAD_NAME); ++ if (IS_ERR(conn->rx_thread)) { ++ pr_err("Unable to start iscsi_target_rx_thread\n"); ++ ret = PTR_ERR(conn->rx_thread); ++ goto out_tx; ++ } ++ conn->rx_thread_active = true; ++ ++ return 0; ++out_tx: ++ kthread_stop(conn->tx_thread); ++ conn->tx_thread_active = false; ++out_bitmap: ++ spin_lock(&iscsit_global->ts_bitmap_lock); ++ bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, ++ get_order(1)); ++ spin_unlock(&iscsit_global->ts_bitmap_lock); ++ return ret; ++} ++ ++int iscsi_post_login_handler( + struct iscsi_np *np, + struct iscsi_conn *conn, + u8 zero_tsih) +@@ -693,7 +738,7 @@ static int iscsi_post_login_handler( + struct se_session *se_sess = sess->se_sess; + struct iscsi_portal_group *tpg = ISCSI_TPG_S(sess); + struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; +- struct iscsi_thread_set *ts; ++ int rc; + + iscsit_inc_conn_usage_count(conn); + +@@ -708,7 +753,6 @@ static int iscsi_post_login_handler( + /* + * SCSI Initiator -> SCSI Target Port Mapping + */ +- ts = iscsi_get_thread_set(); + if (!zero_tsih) { + iscsi_set_session_parameters(sess->sess_ops, + conn->param_list, 0); +@@ -735,9 +779,11 @@ static int iscsi_post_login_handler( + sess->sess_ops->InitiatorName); + spin_unlock_bh(&sess->conn_lock); + +- iscsi_post_login_start_timers(conn); ++ rc = iscsit_start_kthreads(conn); ++ if (rc) ++ return rc; + +- iscsi_activate_thread_set(conn, ts); ++ iscsi_post_login_start_timers(conn); + /* + * Determine CPU mask to ensure connection's RX and TX kthreads + * are scheduled on the same CPU. +@@ -794,8 +840,11 @@ static int iscsi_post_login_handler( + " iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt); + spin_unlock_bh(&se_tpg->session_lock); + ++ rc = iscsit_start_kthreads(conn); ++ if (rc) ++ return rc; ++ + iscsi_post_login_start_timers(conn); +- iscsi_activate_thread_set(conn, ts); + /* + * Determine CPU mask to ensure connection's RX and TX kthreads + * are scheduled on the same CPU. +diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c +index 78ddfb43750a..62e532fb82ad 100644 +--- a/drivers/usb/core/devio.c ++++ b/drivers/usb/core/devio.c +@@ -513,7 +513,7 @@ static void async_completed(struct urb *urb) + snoop(&urb->dev->dev, "urb complete\n"); + snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length, + as->status, COMPLETE, NULL, 0); +- if ((urb->transfer_flags & URB_DIR_MASK) == USB_DIR_IN) ++ if ((urb->transfer_flags & URB_DIR_MASK) == URB_DIR_IN) + snoop_urb_data(urb, urb->actual_length); + + if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET && +@@ -1593,7 +1593,7 @@ static struct async *reap_as(struct dev_state *ps) + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + as = async_getcompleted(ps); +- if (as) ++ if (as || !connected(ps)) + break; + if (signal_pending(current)) + break; +@@ -1616,7 +1616,7 @@ static int proc_reapurb(struct dev_state *ps, void __user *arg) + } + if (signal_pending(current)) + return -EINTR; +- return -EIO; ++ return -ENODEV; + } + + static int proc_reapurbnonblock(struct dev_state *ps, void __user *arg) +@@ -1625,10 +1625,11 @@ static int proc_reapurbnonblock(struct dev_state *ps, void __user *arg) + struct async *as; + + as = async_getcompleted(ps); +- retval = -EAGAIN; + if (as) { + retval = processcompl(as, (void __user * __user *)arg); + free_async(as); ++ } else { ++ retval = (connected(ps) ? -EAGAIN : -ENODEV); + } + return retval; + } +@@ -1758,7 +1759,7 @@ static int proc_reapurb_compat(struct dev_state *ps, void __user *arg) + } + if (signal_pending(current)) + return -EINTR; +- return -EIO; ++ return -ENODEV; + } + + static int proc_reapurbnonblock_compat(struct dev_state *ps, void __user *arg) +@@ -1766,11 +1767,12 @@ static int proc_reapurbnonblock_compat(struct dev_state *ps, void __user *arg) + int retval; + struct async *as; + +- retval = -EAGAIN; + as = async_getcompleted(ps); + if (as) { + retval = processcompl_compat(as, (void __user * __user *)arg); + free_async(as); ++ } else { ++ retval = (connected(ps) ? -EAGAIN : -ENODEV); + } + return retval; + } +@@ -1941,7 +1943,8 @@ static int proc_get_capabilities(struct dev_state *ps, void __user *arg) + { + __u32 caps; + +- caps = USBDEVFS_CAP_ZERO_PACKET | USBDEVFS_CAP_NO_PACKET_SIZE_LIM; ++ caps = USBDEVFS_CAP_ZERO_PACKET | USBDEVFS_CAP_NO_PACKET_SIZE_LIM | ++ USBDEVFS_CAP_REAP_AFTER_DISCONNECT; + if (!ps->dev->bus->no_stop_on_short) + caps |= USBDEVFS_CAP_BULK_CONTINUATION; + if (ps->dev->bus->sg_tablesize) +@@ -2002,6 +2005,32 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, + return -EPERM; + + usb_lock_device(dev); ++ ++ /* Reap operations are allowed even after disconnection */ ++ switch (cmd) { ++ case USBDEVFS_REAPURB: ++ snoop(&dev->dev, "%s: REAPURB\n", __func__); ++ ret = proc_reapurb(ps, p); ++ goto done; ++ ++ case USBDEVFS_REAPURBNDELAY: ++ snoop(&dev->dev, "%s: REAPURBNDELAY\n", __func__); ++ ret = proc_reapurbnonblock(ps, p); ++ goto done; ++ ++#ifdef CONFIG_COMPAT ++ case USBDEVFS_REAPURB32: ++ snoop(&dev->dev, "%s: REAPURB32\n", __func__); ++ ret = proc_reapurb_compat(ps, p); ++ goto done; ++ ++ case USBDEVFS_REAPURBNDELAY32: ++ snoop(&dev->dev, "%s: REAPURBNDELAY32\n", __func__); ++ ret = proc_reapurbnonblock_compat(ps, p); ++ goto done; ++#endif ++ } ++ + if (!connected(ps)) { + usb_unlock_device(dev); + return -ENODEV; +@@ -2095,16 +2124,6 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, + inode->i_mtime = CURRENT_TIME; + break; + +- case USBDEVFS_REAPURB32: +- snoop(&dev->dev, "%s: REAPURB32\n", __func__); +- ret = proc_reapurb_compat(ps, p); +- break; +- +- case USBDEVFS_REAPURBNDELAY32: +- snoop(&dev->dev, "%s: REAPURBNDELAY32\n", __func__); +- ret = proc_reapurbnonblock_compat(ps, p); +- break; +- + case USBDEVFS_IOCTL32: + snoop(&dev->dev, "%s: IOCTL32\n", __func__); + ret = proc_ioctl_compat(ps, ptr_to_compat(p)); +@@ -2116,16 +2135,6 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, + ret = proc_unlinkurb(ps, p); + break; + +- case USBDEVFS_REAPURB: +- snoop(&dev->dev, "%s: REAPURB\n", __func__); +- ret = proc_reapurb(ps, p); +- break; +- +- case USBDEVFS_REAPURBNDELAY: +- snoop(&dev->dev, "%s: REAPURBNDELAY\n", __func__); +- ret = proc_reapurbnonblock(ps, p); +- break; +- + case USBDEVFS_DISCSIGNAL: + snoop(&dev->dev, "%s: DISCSIGNAL\n", __func__); + ret = proc_disconnectsignal(ps, p); +@@ -2162,6 +2171,8 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd, + ret = proc_disconnect_claim(ps, p); + break; + } ++ ++ done: + usb_unlock_device(dev); + if (ret >= 0) + inode->i_atime = CURRENT_TIME; +diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c +index 6cd418f6ac07..57d7ec6c8090 100644 +--- a/drivers/usb/dwc3/ep0.c ++++ b/drivers/usb/dwc3/ep0.c +@@ -718,6 +718,10 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) + dev_vdbg(dwc->dev, "USB_REQ_SET_ISOCH_DELAY\n"); + ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); + break; ++ case USB_REQ_SET_INTERFACE: ++ dev_vdbg(dwc->dev, "USB_REQ_SET_INTERFACE\n"); ++ dwc->start_config_issued = false; ++ /* Fall through */ + default: + dev_vdbg(dwc->dev, "Forwarding to gadget driver\n"); + ret = dwc3_ep0_delegate_req(dwc, ctrl); +diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c +index 87f8fc63b3e1..6e70c88b25fb 100644 +--- a/drivers/usb/dwc3/gadget.c ++++ b/drivers/usb/dwc3/gadget.c +@@ -319,6 +319,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param) + if (!(reg & DWC3_DGCMD_CMDACT)) { + dev_vdbg(dwc->dev, "Command Complete --> %d\n", + DWC3_DGCMD_STATUS(reg)); ++ if (DWC3_DGCMD_STATUS(reg)) ++ return -EINVAL; + return 0; + } + +@@ -355,6 +357,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, + if (!(reg & DWC3_DEPCMD_CMDACT)) { + dev_vdbg(dwc->dev, "Command Complete --> %d\n", + DWC3_DEPCMD_STATUS(reg)); ++ if (DWC3_DEPCMD_STATUS(reg)) ++ return -EINVAL; + return 0; + } + +diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c +index 677f032482f7..31bed5f7d0eb 100644 +--- a/drivers/usb/host/xhci-mem.c ++++ b/drivers/usb/host/xhci-mem.c +@@ -1400,10 +1400,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, + /* Attempt to use the ring cache */ + if (virt_dev->num_rings_cached == 0) + return -ENOMEM; ++ virt_dev->num_rings_cached--; + virt_dev->eps[ep_index].new_ring = + virt_dev->ring_cache[virt_dev->num_rings_cached]; + virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; +- virt_dev->num_rings_cached--; + xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, + 1, type); + } +diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c +index ab1c5e8ac27f..dd84416a23cd 100644 +--- a/drivers/usb/serial/cp210x.c ++++ b/drivers/usb/serial/cp210x.c +@@ -187,6 +187,7 @@ static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ + { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ + { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ ++ { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ + { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ + { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ + { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index 8b3484134ab0..096438e4fb0c 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -1755,6 +1755,7 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ ++ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ + { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, + { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, + { } /* Terminating entry */ +diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c +index af88ffd1068f..2b7e073f5e36 100644 +--- a/drivers/watchdog/omap_wdt.c ++++ b/drivers/watchdog/omap_wdt.c +@@ -134,6 +134,13 @@ static int omap_wdt_start(struct watchdog_device *wdog) + + pm_runtime_get_sync(wdev->dev); + ++ /* ++ * Make sure the watchdog is disabled. This is unfortunately required ++ * because writing to various registers with the watchdog running has no ++ * effect. ++ */ ++ omap_wdt_disable(wdev); ++ + /* initialize prescaler */ + while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01) + cpu_relax(); +diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c +index d86edc8d3fd0..4c7d309e4aa6 100644 +--- a/fs/9p/vfs_inode.c ++++ b/fs/9p/vfs_inode.c +@@ -537,8 +537,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb, + unlock_new_inode(inode); + return inode; + error: +- unlock_new_inode(inode); +- iput(inode); ++ iget_failed(inode); + return ERR_PTR(retval); + + } +diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c +index 53687bbf2296..65b21a24841e 100644 +--- a/fs/9p/vfs_inode_dotl.c ++++ b/fs/9p/vfs_inode_dotl.c +@@ -151,8 +151,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, + unlock_new_inode(inode); + return inode; + error: +- unlock_new_inode(inode); +- iput(inode); ++ iget_failed(inode); + return ERR_PTR(retval); + + } +diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c +index 2c66ddbbe670..0389e90eec33 100644 +--- a/fs/btrfs/inode-map.c ++++ b/fs/btrfs/inode-map.c +@@ -283,7 +283,7 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) + __btrfs_add_free_space(ctl, info->offset, count); + free: + rb_erase(&info->offset_index, rbroot); +- kfree(info); ++ kmem_cache_free(btrfs_free_space_cachep, info); + } + } + +diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c +index 589061469687..b07a221c3138 100644 +--- a/fs/ext4/indirect.c ++++ b/fs/ext4/indirect.c +@@ -577,7 +577,7 @@ int ext4_ind_map_blocks(handle_t *handle, struct inode *inode, + EXT4_FEATURE_RO_COMPAT_BIGALLOC)) { + EXT4_ERROR_INODE(inode, "Can't allocate blocks for " + "non-extent mapped inodes with bigalloc"); +- return -ENOSPC; ++ return -EUCLEAN; + } + + goal = ext4_find_goal(inode, map->m_lblk, partial); +diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c +index 8a277505a3be..10b71e4029a0 100644 +--- a/fs/ext4/inode.c ++++ b/fs/ext4/inode.c +@@ -1412,7 +1412,7 @@ static void ext4_da_release_space(struct inode *inode, int to_free) + static void ext4_da_page_release_reservation(struct page *page, + unsigned long offset) + { +- int to_release = 0; ++ int to_release = 0, contiguous_blks = 0; + struct buffer_head *head, *bh; + unsigned int curr_off = 0; + struct inode *inode = page->mapping->host; +@@ -1427,14 +1427,23 @@ static void ext4_da_page_release_reservation(struct page *page, + + if ((offset <= curr_off) && (buffer_delay(bh))) { + to_release++; ++ contiguous_blks++; + clear_buffer_delay(bh); ++ } else if (contiguous_blks) { ++ lblk = page->index << ++ (PAGE_CACHE_SHIFT - inode->i_blkbits); ++ lblk += (curr_off >> inode->i_blkbits) - ++ contiguous_blks; ++ ext4_es_remove_extent(inode, lblk, contiguous_blks); ++ contiguous_blks = 0; + } + curr_off = next_off; + } while ((bh = bh->b_this_page) != head); + +- if (to_release) { ++ if (contiguous_blks) { + lblk = page->index << (PAGE_CACHE_SHIFT - inode->i_blkbits); +- ext4_es_remove_extent(inode, lblk, to_release); ++ lblk += (curr_off >> inode->i_blkbits) - contiguous_blks; ++ ext4_es_remove_extent(inode, lblk, contiguous_blks); + } + + /* If we have released all the blocks belonging to a cluster, then we +@@ -2099,19 +2108,32 @@ static int __ext4_journalled_writepage(struct page *page, + ext4_walk_page_buffers(handle, page_bufs, 0, len, + NULL, bget_one); + } +- /* As soon as we unlock the page, it can go away, but we have +- * references to buffers so we are safe */ ++ /* ++ * We need to release the page lock before we start the ++ * journal, so grab a reference so the page won't disappear ++ * out from under us. ++ */ ++ get_page(page); + unlock_page(page); + + handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, + ext4_writepage_trans_blocks(inode)); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); +- goto out; ++ put_page(page); ++ goto out_no_pagelock; + } +- + BUG_ON(!ext4_handle_valid(handle)); + ++ lock_page(page); ++ put_page(page); ++ if (page->mapping != mapping) { ++ /* The page got truncated from under us */ ++ ext4_journal_stop(handle); ++ ret = 0; ++ goto out; ++ } ++ + if (inline_data) { + ret = ext4_journal_get_write_access(handle, inode_bh); + +@@ -2136,6 +2158,8 @@ static int __ext4_journalled_writepage(struct page *page, + NULL, bput_one); + ext4_set_inode_state(inode, EXT4_STATE_JDATA); + out: ++ unlock_page(page); ++out_no_pagelock: + brelse(inode_bh); + return ret; + } +diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c +index df5050f9080b..61ee01603940 100644 +--- a/fs/ext4/mballoc.c ++++ b/fs/ext4/mballoc.c +@@ -4764,18 +4764,12 @@ do_more: + /* + * blocks being freed are metadata. these blocks shouldn't + * be used until this transaction is committed ++ * ++ * We use __GFP_NOFAIL because ext4_free_blocks() is not allowed ++ * to fail. + */ +- retry: +- new_entry = kmem_cache_alloc(ext4_free_data_cachep, GFP_NOFS); +- if (!new_entry) { +- /* +- * We use a retry loop because +- * ext4_free_blocks() is not allowed to fail. +- */ +- cond_resched(); +- congestion_wait(BLK_RW_ASYNC, HZ/50); +- goto retry; +- } ++ new_entry = kmem_cache_alloc(ext4_free_data_cachep, ++ GFP_NOFS|__GFP_NOFAIL); + new_entry->efd_start_cluster = bit; + new_entry->efd_group = block_group; + new_entry->efd_count = count_clusters; +diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c +index 49e8bdff9163..d19efab66cb6 100644 +--- a/fs/ext4/migrate.c ++++ b/fs/ext4/migrate.c +@@ -616,6 +616,7 @@ int ext4_ind_migrate(struct inode *inode) + struct ext4_inode_info *ei = EXT4_I(inode); + struct ext4_extent *ex; + unsigned int i, len; ++ ext4_lblk_t start, end; + ext4_fsblk_t blk; + handle_t *handle; + int ret; +@@ -629,6 +630,14 @@ int ext4_ind_migrate(struct inode *inode) + EXT4_FEATURE_RO_COMPAT_BIGALLOC)) + return -EOPNOTSUPP; + ++ /* ++ * In order to get correct extent info, force all delayed allocation ++ * blocks to be allocated, otherwise delayed allocation blocks may not ++ * be reflected and bypass the checks on extent header. ++ */ ++ if (test_opt(inode->i_sb, DELALLOC)) ++ ext4_alloc_da_blocks(inode); ++ + handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1); + if (IS_ERR(handle)) + return PTR_ERR(handle); +@@ -646,11 +655,13 @@ int ext4_ind_migrate(struct inode *inode) + goto errout; + } + if (eh->eh_entries == 0) +- blk = len = 0; ++ blk = len = start = end = 0; + else { + len = le16_to_cpu(ex->ee_len); + blk = ext4_ext_pblock(ex); +- if (len > EXT4_NDIR_BLOCKS) { ++ start = le32_to_cpu(ex->ee_block); ++ end = start + len - 1; ++ if (end >= EXT4_NDIR_BLOCKS) { + ret = -EOPNOTSUPP; + goto errout; + } +@@ -658,7 +669,7 @@ int ext4_ind_migrate(struct inode *inode) + + ext4_clear_inode_flag(inode, EXT4_INODE_EXTENTS); + memset(ei->i_data, 0, sizeof(ei->i_data)); +- for (i=0; i < len; i++) ++ for (i = start; i <= end; i++) + ei->i_data[i] = cpu_to_le32(blk++); + ext4_mark_inode_dirty(handle, inode); + errout: +diff --git a/fs/ext4/super.c b/fs/ext4/super.c +index 21a0b43a7d31..af1eaed96a91 100644 +--- a/fs/ext4/super.c ++++ b/fs/ext4/super.c +@@ -803,6 +803,7 @@ static void ext4_put_super(struct super_block *sb) + dump_orphan_list(sb, sbi); + J_ASSERT(list_empty(&sbi->s_orphan)); + ++ sync_blockdev(sb->s_bdev); + invalidate_bdev(sb->s_bdev); + if (sbi->journal_bdev && sbi->journal_bdev != sb->s_bdev) { + /* +diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c +index 39a986e1da9e..4d371f3b9a45 100644 +--- a/fs/fuse/inode.c ++++ b/fs/fuse/inode.c +@@ -1028,6 +1028,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) + goto err_fput; + + fuse_conn_init(fc); ++ fc->release = fuse_free_conn; + + fc->dev = sb->s_dev; + fc->sb = sb; +@@ -1042,7 +1043,6 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) + fc->dont_mask = 1; + sb->s_flags |= MS_POSIXACL; + +- fc->release = fuse_free_conn; + fc->flags = d.flags; + fc->user_id = d.user_id; + fc->group_id = d.group_id; +diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c +index 962e90c37aec..2c1ce192af8b 100644 +--- a/fs/hpfs/super.c ++++ b/fs/hpfs/super.c +@@ -52,17 +52,20 @@ static void unmark_dirty(struct super_block *s) + } + + /* Filesystem error... */ +-static char err_buf[1024]; +- + void hpfs_error(struct super_block *s, const char *fmt, ...) + { ++ struct va_format vaf; + va_list args; + + va_start(args, fmt); +- vsnprintf(err_buf, sizeof(err_buf), fmt, args); ++ ++ vaf.fmt = fmt; ++ vaf.va = &args; ++ ++ pr_err("filesystem error: %pV", &vaf); ++ + va_end(args); + +- printk("HPFS: filesystem error: %s", err_buf); + if (!hpfs_sb(s)->sb_was_error) { + if (hpfs_sb(s)->sb_err == 2) { + printk("; crashing the system because you wanted it\n"); +diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c +index c78841ee81cf..6bb52859cb86 100644 +--- a/fs/jbd2/checkpoint.c ++++ b/fs/jbd2/checkpoint.c +@@ -440,7 +440,7 @@ int jbd2_cleanup_journal_tail(journal_t *journal) + unsigned long blocknr; + + if (is_journal_aborted(journal)) +- return 1; ++ return -EIO; + + if (!jbd2_journal_get_log_tail(journal, &first_tid, &blocknr)) + return 1; +@@ -455,10 +455,9 @@ int jbd2_cleanup_journal_tail(journal_t *journal) + * jbd2_cleanup_journal_tail() doesn't get called all that often. + */ + if (journal->j_flags & JBD2_BARRIER) +- blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL); ++ blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL); + +- __jbd2_update_log_tail(journal, first_tid, blocknr); +- return 0; ++ return __jbd2_update_log_tail(journal, first_tid, blocknr); + } + + +diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c +index aaa1a3f33b0e..3e7ef8874ffb 100644 +--- a/fs/jbd2/journal.c ++++ b/fs/jbd2/journal.c +@@ -869,9 +869,10 @@ int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, + * + * Requires j_checkpoint_mutex + */ +-void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) ++int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) + { + unsigned long freed; ++ int ret; + + BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); + +@@ -881,7 +882,10 @@ void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) + * space and if we lose sb update during power failure we'd replay + * old transaction with possibly newly overwritten data. + */ +- jbd2_journal_update_sb_log_tail(journal, tid, block, WRITE_FUA); ++ ret = jbd2_journal_update_sb_log_tail(journal, tid, block, WRITE_FUA); ++ if (ret) ++ goto out; ++ + write_lock(&journal->j_state_lock); + freed = block - journal->j_tail; + if (block < journal->j_tail) +@@ -897,6 +901,9 @@ void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block) + journal->j_tail_sequence = tid; + journal->j_tail = block; + write_unlock(&journal->j_state_lock); ++ ++out: ++ return ret; + } + + /* +@@ -1315,7 +1322,7 @@ static int journal_reset(journal_t *journal) + return jbd2_journal_start_thread(journal); + } + +-static void jbd2_write_superblock(journal_t *journal, int write_op) ++static int jbd2_write_superblock(journal_t *journal, int write_op) + { + struct buffer_head *bh = journal->j_sb_buffer; + journal_superblock_t *sb = journal->j_superblock; +@@ -1354,7 +1361,10 @@ static void jbd2_write_superblock(journal_t *journal, int write_op) + printk(KERN_ERR "JBD2: Error %d detected when updating " + "journal superblock for %s.\n", ret, + journal->j_devname); ++ jbd2_journal_abort(journal, ret); + } ++ ++ return ret; + } + + /** +@@ -1367,10 +1377,11 @@ static void jbd2_write_superblock(journal_t *journal, int write_op) + * Update a journal's superblock information about log tail and write it to + * disk, waiting for the IO to complete. + */ +-void jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid, ++int jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid, + unsigned long tail_block, int write_op) + { + journal_superblock_t *sb = journal->j_superblock; ++ int ret; + + BUG_ON(!mutex_is_locked(&journal->j_checkpoint_mutex)); + jbd_debug(1, "JBD2: updating superblock (start %lu, seq %u)\n", +@@ -1379,13 +1390,18 @@ void jbd2_journal_update_sb_log_tail(journal_t *journal, tid_t tail_tid, + sb->s_sequence = cpu_to_be32(tail_tid); + sb->s_start = cpu_to_be32(tail_block); + +- jbd2_write_superblock(journal, write_op); ++ ret = jbd2_write_superblock(journal, write_op); ++ if (ret) ++ goto out; + + /* Log is no longer empty */ + write_lock(&journal->j_state_lock); + WARN_ON(!sb->s_sequence); + journal->j_flags &= ~JBD2_FLUSHED; + write_unlock(&journal->j_state_lock); ++ ++out: ++ return ret; + } + + /** +@@ -1922,7 +1938,14 @@ int jbd2_journal_flush(journal_t *journal) + return -EIO; + + mutex_lock(&journal->j_checkpoint_mutex); +- jbd2_cleanup_journal_tail(journal); ++ if (!err) { ++ err = jbd2_cleanup_journal_tail(journal); ++ if (err < 0) { ++ mutex_unlock(&journal->j_checkpoint_mutex); ++ goto out; ++ } ++ err = 0; ++ } + + /* Finally, mark the journal as really needing no recovery. + * This sets s_start==0 in the underlying superblock, which is +@@ -1938,7 +1961,8 @@ int jbd2_journal_flush(journal_t *journal) + J_ASSERT(journal->j_head == journal->j_tail); + J_ASSERT(journal->j_tail_sequence == journal->j_transaction_sequence); + write_unlock(&journal->j_state_lock); +- return 0; ++out: ++ return err; + } + + /** +diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c +index fa6d72131c19..4495cad189c3 100644 +--- a/fs/nfs/nfs3xdr.c ++++ b/fs/nfs/nfs3xdr.c +@@ -1342,7 +1342,7 @@ static void nfs3_xdr_enc_setacl3args(struct rpc_rqst *req, + if (args->npages != 0) + xdr_write_pages(xdr, args->pages, 0, args->len); + else +- xdr_reserve_space(xdr, NFS_ACL_INLINE_BUFSIZE); ++ xdr_reserve_space(xdr, args->len); + + error = nfsacl_encode(xdr->buf, base, args->inode, + (args->mask & NFS_ACL) ? +diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c +index d482b86d0e0b..cfa9163b3bb7 100644 +--- a/fs/nfs/nfs4state.c ++++ b/fs/nfs/nfs4state.c +@@ -1452,6 +1452,8 @@ restart: + } + spin_unlock(&state->state_lock); + nfs4_put_open_state(state); ++ clear_bit(NFS4CLNT_RECLAIM_NOGRACE, ++ &state->flags); + spin_lock(&sp->so_lock); + goto restart; + } +diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c +index 195a403e1522..61dbe1958a30 100644 +--- a/fs/xfs/xfs_symlink.c ++++ b/fs/xfs/xfs_symlink.c +@@ -272,7 +272,7 @@ xfs_readlink_bmap( + cur_chunk += sizeof(struct xfs_dsymlink_hdr); + } + +- memcpy(link + offset, bp->b_addr, byte_cnt); ++ memcpy(link + offset, cur_chunk, byte_cnt); + + pathlen -= byte_cnt; + offset += byte_cnt; +diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h +index f819e813c8ac..4407354c7d6a 100644 +--- a/include/acpi/actypes.h ++++ b/include/acpi/actypes.h +@@ -511,6 +511,7 @@ typedef u64 acpi_integer; + #define ACPI_NO_ACPI_ENABLE 0x10 + #define ACPI_NO_DEVICE_INIT 0x20 + #define ACPI_NO_OBJECT_INIT 0x40 ++#define ACPI_NO_FACS_INIT 0x80 + + /* + * Initialization state +diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h +index 6e051f472edb..0c67c1f2a890 100644 +--- a/include/linux/jbd2.h ++++ b/include/linux/jbd2.h +@@ -997,7 +997,7 @@ extern struct journal_head * jbd2_journal_get_descriptor_buffer(journal_t *); + int jbd2_journal_next_log_block(journal_t *, unsigned long long *); + int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid, + unsigned long *block); +-void __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block); ++int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block); + void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block); + + /* Commit management */ +@@ -1116,7 +1116,7 @@ extern int jbd2_journal_recover (journal_t *journal); + extern int jbd2_journal_wipe (journal_t *, int); + extern int jbd2_journal_skip_recovery (journal_t *); + extern void jbd2_journal_update_sb_errno(journal_t *); +-extern void jbd2_journal_update_sb_log_tail (journal_t *, tid_t, ++extern int jbd2_journal_update_sb_log_tail (journal_t *, tid_t, + unsigned long, int); + extern void __jbd2_journal_abort_hard (journal_t *); + extern void jbd2_journal_abort (journal_t *, int); +diff --git a/include/linux/libata.h b/include/linux/libata.h +index 8e5d45fa83cf..8ad0771b88ab 100644 +--- a/include/linux/libata.h ++++ b/include/linux/libata.h +@@ -409,6 +409,7 @@ enum { + ATA_HORKAGE_ATAPI_DMADIR = (1 << 18), /* device requires dmadir */ + ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */ + ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ ++ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ + + /* DMA mask for user DMA control: User visible values; DO NOT + renumber */ +diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h +index 54e351aa4d2e..a9e5134c2936 100644 +--- a/include/linux/nfs_xdr.h ++++ b/include/linux/nfs_xdr.h +@@ -1094,7 +1094,7 @@ struct pnfs_ds_commit_info { + struct pnfs_commit_bucket *buckets; + }; + +-#define NFS4_EXCHANGE_ID_LEN (48) ++#define NFS4_EXCHANGE_ID_LEN (127) + struct nfs41_exchange_id_args { + struct nfs_client *client; + nfs4_verifier *verifier; +diff --git a/include/uapi/linux/usbdevice_fs.h b/include/uapi/linux/usbdevice_fs.h +index 0c65e4b12617..ef29266ef77a 100644 +--- a/include/uapi/linux/usbdevice_fs.h ++++ b/include/uapi/linux/usbdevice_fs.h +@@ -125,11 +125,12 @@ struct usbdevfs_hub_portinfo { + char port [127]; /* e.g. port 3 connects to device 27 */ + }; + +-/* Device capability flags */ ++/* System and bus capability flags */ + #define USBDEVFS_CAP_ZERO_PACKET 0x01 + #define USBDEVFS_CAP_BULK_CONTINUATION 0x02 + #define USBDEVFS_CAP_NO_PACKET_SIZE_LIM 0x04 + #define USBDEVFS_CAP_BULK_SCATTER_GATHER 0x08 ++#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT 0x10 + + /* USBDEVFS_DISCONNECT_CLAIM flags & struct */ + +diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h +index aa0e736b72ac..fe576073580a 100644 +--- a/kernel/trace/trace.h ++++ b/kernel/trace/trace.h +@@ -428,6 +428,7 @@ enum { + + TRACE_CONTROL_BIT, + ++ TRACE_BRANCH_BIT, + /* + * Abuse of the trace_recursion. + * As we need a way to maintain state if we are tracing the function +diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c +index d594da0dc03c..cb89197adf5c 100644 +--- a/kernel/trace/trace_branch.c ++++ b/kernel/trace/trace_branch.c +@@ -37,9 +37,12 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) + struct trace_branch *entry; + struct ring_buffer *buffer; + unsigned long flags; +- int cpu, pc; ++ int pc; + const char *p; + ++ if (current->trace_recursion & TRACE_BRANCH_BIT) ++ return; ++ + /* + * I would love to save just the ftrace_likely_data pointer, but + * this code can also be used by modules. Ugly things can happen +@@ -50,10 +53,10 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) + if (unlikely(!tr)) + return; + +- local_irq_save(flags); +- cpu = raw_smp_processor_id(); +- data = per_cpu_ptr(tr->trace_buffer.data, cpu); +- if (atomic_inc_return(&data->disabled) != 1) ++ raw_local_irq_save(flags); ++ current->trace_recursion |= TRACE_BRANCH_BIT; ++ data = this_cpu_ptr(tr->trace_buffer.data); ++ if (atomic_read(&data->disabled)) + goto out; + + pc = preempt_count(); +@@ -82,8 +85,8 @@ probe_likely_condition(struct ftrace_branch_data *f, int val, int expect) + __buffer_unlock_commit(buffer, event); + + out: +- atomic_dec(&data->disabled); +- local_irq_restore(flags); ++ current->trace_recursion &= ~TRACE_BRANCH_BIT; ++ raw_local_irq_restore(flags); + } + + static inline +diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c +index fe3e086d38e9..67654bb5bc2f 100644 +--- a/kernel/trace/trace_events_filter.c ++++ b/kernel/trace/trace_events_filter.c +@@ -1015,6 +1015,9 @@ static void parse_init(struct filter_parse_state *ps, + + static char infix_next(struct filter_parse_state *ps) + { ++ if (!ps->infix.cnt) ++ return 0; ++ + ps->infix.cnt--; + + return ps->infix.string[ps->infix.tail++]; +@@ -1030,6 +1033,9 @@ static char infix_peek(struct filter_parse_state *ps) + + static void infix_advance(struct filter_parse_state *ps) + { ++ if (!ps->infix.cnt) ++ return; ++ + ps->infix.cnt--; + ps->infix.tail++; + } +@@ -1342,7 +1348,9 @@ static int check_preds(struct filter_parse_state *ps) + continue; + } + n_normal_preds++; +- WARN_ON_ONCE(cnt < 0); ++ /* all ops should have operands */ ++ if (cnt < 0) ++ break; + } + + if (cnt != 1 || !n_normal_preds || n_logical_preds >= n_normal_preds) { +diff --git a/lib/bitmap.c b/lib/bitmap.c +index e5c4ebe586ba..c0634aa923a6 100644 +--- a/lib/bitmap.c ++++ b/lib/bitmap.c +@@ -603,12 +603,12 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, + unsigned a, b; + int c, old_c, totaldigits; + const char __user __force *ubuf = (const char __user __force *)buf; +- int exp_digit, in_range; ++ int at_start, in_range; + + totaldigits = c = 0; + bitmap_zero(maskp, nmaskbits); + do { +- exp_digit = 1; ++ at_start = 1; + in_range = 0; + a = b = 0; + +@@ -637,11 +637,10 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, + break; + + if (c == '-') { +- if (exp_digit || in_range) ++ if (at_start || in_range) + return -EINVAL; + b = 0; + in_range = 1; +- exp_digit = 1; + continue; + } + +@@ -651,16 +650,18 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, + b = b * 10 + (c - '0'); + if (!in_range) + a = b; +- exp_digit = 0; ++ at_start = 0; + totaldigits++; + } + if (!(a <= b)) + return -EINVAL; + if (b >= nmaskbits) + return -ERANGE; +- while (a <= b) { +- set_bit(a, maskp); +- a++; ++ if (!at_start) { ++ while (a <= b) { ++ set_bit(a, maskp); ++ a++; ++ } + } + } while (buflen && c == ','); + return 0; +diff --git a/net/9p/client.c b/net/9p/client.c +index addc116cecf0..853d62327a58 100644 +--- a/net/9p/client.c ++++ b/net/9p/client.c +@@ -828,7 +828,8 @@ static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type, + if (err < 0) { + if (err == -EIO) + c->status = Disconnected; +- goto reterr; ++ if (err != -ERESTARTSYS) ++ goto reterr; + } + if (req->status == REQ_STATUS_ERROR) { + p9_debug(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err); +diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c +index dbd9a4792427..7ec4e0522215 100644 +--- a/net/ceph/osdmap.c ++++ b/net/ceph/osdmap.c +@@ -89,7 +89,7 @@ static int crush_decode_tree_bucket(void **p, void *end, + { + int j; + dout("crush_decode_tree_bucket %p to %p\n", *p, end); +- ceph_decode_32_safe(p, end, b->num_nodes, bad); ++ ceph_decode_8_safe(p, end, b->num_nodes, bad); + b->node_weights = kcalloc(b->num_nodes, sizeof(u32), GFP_NOFS); + if (b->node_weights == NULL) + return -ENOMEM; +diff --git a/net/mac80211/main.c b/net/mac80211/main.c +index 6658c5809353..dd6ca36c34c1 100644 +--- a/net/mac80211/main.c ++++ b/net/mac80211/main.c +@@ -257,6 +257,7 @@ static void ieee80211_restart_work(struct work_struct *work) + { + struct ieee80211_local *local = + container_of(work, struct ieee80211_local, restart_work); ++ struct ieee80211_sub_if_data *sdata; + + /* wait for scan work complete */ + flush_workqueue(local->workqueue); +@@ -269,6 +270,8 @@ static void ieee80211_restart_work(struct work_struct *work) + mutex_unlock(&local->mtx); + + rtnl_lock(); ++ list_for_each_entry(sdata, &local->interfaces, list) ++ flush_delayed_work(&sdata->dec_tailroom_needed_wk); + ieee80211_scan_cancel(local); + ieee80211_reconfig(local); + rtnl_unlock(); +diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c +index 890a29912d5a..d29c119ecd9c 100644 +--- a/net/sunrpc/backchannel_rqst.c ++++ b/net/sunrpc/backchannel_rqst.c +@@ -60,7 +60,7 @@ static void xprt_free_allocation(struct rpc_rqst *req) + + dprintk("RPC: free allocations for req= %p\n", req); + WARN_ON_ONCE(test_bit(RPC_BC_PA_IN_USE, &req->rq_bc_pa_state)); +- xbufp = &req->rq_private_buf; ++ xbufp = &req->rq_rcv_buf; + free_page((unsigned long)xbufp->head[0].iov_base); + xbufp = &req->rq_snd_buf; + free_page((unsigned long)xbufp->head[0].iov_base); +diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c +index ca2094c914a1..a82d6576fe0f 100644 +--- a/sound/pci/hda/patch_realtek.c ++++ b/sound/pci/hda/patch_realtek.c +@@ -3365,6 +3365,7 @@ enum { + ALC269_FIXUP_LIFEBOOK, + ALC269_FIXUP_LIFEBOOK_EXTMIC, + ALC269_FIXUP_LIFEBOOK_HP_PIN, ++ ALC269_FIXUP_LIFEBOOK_NO_HP_TO_LINEOUT, + ALC269_FIXUP_AMIC, + ALC269_FIXUP_DMIC, + ALC269VB_FIXUP_AMIC, +@@ -3383,6 +3384,7 @@ enum { + ALC290_FIXUP_MONO_SPEAKERS, + ALC269_FIXUP_HEADSET_MODE, + ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, ++ ALC269_FIXUP_ASPIRE_HEADSET_MIC, + ALC269_FIXUP_ASUS_X101_FUNC, + ALC269_FIXUP_ASUS_X101_VERB, + ALC269_FIXUP_ASUS_X101, +@@ -3486,6 +3488,10 @@ static const struct hda_fixup alc269_fixups[] = { + { } + }, + }, ++ [ALC269_FIXUP_LIFEBOOK_NO_HP_TO_LINEOUT] = { ++ .type = HDA_FIXUP_FUNC, ++ .v.func = alc269_fixup_pincfg_no_hp_to_lineout, ++ }, + [ALC269_FIXUP_AMIC] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { +@@ -3598,6 +3604,15 @@ static const struct hda_fixup alc269_fixups[] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_headset_mode_no_hp_mic, + }, ++ [ALC269_FIXUP_ASPIRE_HEADSET_MIC] = { ++ .type = HDA_FIXUP_PINS, ++ .v.pins = (const struct hda_pintbl[]) { ++ { 0x19, 0x01a1913c }, /* headset mic w/o jack detect */ ++ { } ++ }, ++ .chained = true, ++ .chain_id = ALC269_FIXUP_HEADSET_MODE, ++ }, + [ALC286_FIXUP_SONY_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { +@@ -3732,10 +3747,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { + SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO), + SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), + SND_PCI_QUIRK(0x1025, 0x047c, "Acer AC700", ALC269_FIXUP_ACER_AC700), ++ SND_PCI_QUIRK(0x1025, 0x072d, "Acer Aspire V5-571G", ALC269_FIXUP_ASPIRE_HEADSET_MIC), ++ SND_PCI_QUIRK(0x1025, 0x080d, "Acer Aspire V5-122P", ALC269_FIXUP_ASPIRE_HEADSET_MIC), + SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK), + SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK), + SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC), + SND_PCI_QUIRK(0x10cf, 0x1475, "Lifebook", ALC269_FIXUP_LIFEBOOK), ++ SND_PCI_QUIRK(0x10cf, 0x159f, "Lifebook E780", ALC269_FIXUP_LIFEBOOK_NO_HP_TO_LINEOUT), + SND_PCI_QUIRK(0x10cf, 0x15dc, "Lifebook T731", ALC269_FIXUP_LIFEBOOK_HP_PIN), + SND_PCI_QUIRK(0x10cf, 0x1757, "Lifebook E752", ALC269_FIXUP_LIFEBOOK_HP_PIN), + SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC), +diff --git a/sound/soc/codecs/wm8737.c b/sound/soc/codecs/wm8737.c +index 2f167a8ca01b..62bacb8536e6 100644 +--- a/sound/soc/codecs/wm8737.c ++++ b/sound/soc/codecs/wm8737.c +@@ -494,7 +494,8 @@ static int wm8737_set_bias_level(struct snd_soc_codec *codec, + + /* Fast VMID ramp at 2*2.5k */ + snd_soc_update_bits(codec, WM8737_MISC_BIAS_CONTROL, +- WM8737_VMIDSEL_MASK, 0x4); ++ WM8737_VMIDSEL_MASK, ++ 2 << WM8737_VMIDSEL_SHIFT); + + /* Bring VMID up */ + snd_soc_update_bits(codec, WM8737_POWER_MANAGEMENT, +@@ -508,7 +509,8 @@ static int wm8737_set_bias_level(struct snd_soc_codec *codec, + + /* VMID at 2*300k */ + snd_soc_update_bits(codec, WM8737_MISC_BIAS_CONTROL, +- WM8737_VMIDSEL_MASK, 2); ++ WM8737_VMIDSEL_MASK, ++ 1 << WM8737_VMIDSEL_SHIFT); + + break; + +diff --git a/sound/soc/codecs/wm8903.h b/sound/soc/codecs/wm8903.h +index db949311c0f2..0bb4a647755d 100644 +--- a/sound/soc/codecs/wm8903.h ++++ b/sound/soc/codecs/wm8903.h +@@ -172,7 +172,7 @@ extern int wm8903_mic_detect(struct snd_soc_codec *codec, + #define WM8903_VMID_BUF_ENA_WIDTH 1 /* VMID_BUF_ENA */ + + #define WM8903_VMID_RES_50K 2 +-#define WM8903_VMID_RES_250K 3 ++#define WM8903_VMID_RES_250K 4 + #define WM8903_VMID_RES_5K 6 + + /* +diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c +index 1c1fc6119758..475fc24c8ff6 100644 +--- a/sound/soc/codecs/wm8955.c ++++ b/sound/soc/codecs/wm8955.c +@@ -298,7 +298,7 @@ static int wm8955_configure_clocking(struct snd_soc_codec *codec) + snd_soc_update_bits(codec, WM8955_PLL_CONTROL_2, + WM8955_K_17_9_MASK, + (pll.k >> 9) & WM8955_K_17_9_MASK); +- snd_soc_update_bits(codec, WM8955_PLL_CONTROL_2, ++ snd_soc_update_bits(codec, WM8955_PLL_CONTROL_3, + WM8955_K_8_0_MASK, + pll.k & WM8955_K_8_0_MASK); + if (pll.k) +diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c +index 39f65bc9de56..ae5bb95df862 100644 +--- a/sound/soc/codecs/wm8960.c ++++ b/sound/soc/codecs/wm8960.c +@@ -242,7 +242,7 @@ SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0), + SOC_ENUM("ADC Polarity", wm8960_enum[0]), + SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0), + +-SOC_ENUM("DAC Polarity", wm8960_enum[2]), ++SOC_ENUM("DAC Polarity", wm8960_enum[1]), + SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, + wm8960_get_deemph, wm8960_put_deemph), +
