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authorMike Pagano <mpagano@gentoo.org>2015-08-03 18:20:36 -0400
committerMike Pagano <mpagano@gentoo.org>2015-08-03 18:20:36 -0400
commit57909109492de98e7e39f18c2f84c976a01b2c8b (patch)
treec70de5d188e84b150dace99cdd89e67beb7b22d1
parentBFQ patche for 3.14 v7r8. (diff)
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Linux patch 3.14.493.14-55
-rw-r--r--0000_README4
-rw-r--r--1048_linux-3.14.49.patch4039
2 files changed, 4043 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index c8d6b7b2..0b18237f 100644
--- a/0000_README
+++ b/0000_README
@@ -234,6 +234,10 @@ Patch: 1047_linux-3.14.48.patch
From: http://www.kernel.org
Desc: Linux 3.14.48
+Patch: 1048_linux-3.14.49.patch
+From: http://www.kernel.org
+Desc: Linux 3.14.49
+
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/1048_linux-3.14.49.patch b/1048_linux-3.14.49.patch
new file mode 100644
index 00000000..dfa4b273
--- /dev/null
+++ b/1048_linux-3.14.49.patch
@@ -0,0 +1,4039 @@
+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 25393e89051c..fee84602e999 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 14
+-SUBLEVEL = 48
++SUBLEVEL = 49
+ EXTRAVERSION =
+ NAME = Remembering Coco
+
+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 a268a9af0c2d..a622dd0be9c4 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/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
+index 023747bf4dd7..e3a24b75e53c 100644
+--- a/arch/arm64/mm/hugetlbpage.c
++++ b/arch/arm64/mm/hugetlbpage.c
+@@ -46,13 +46,13 @@ struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
+
+ int pmd_huge(pmd_t pmd)
+ {
+- return !(pmd_val(pmd) & PMD_TABLE_BIT);
++ return pmd_val(pmd) && !(pmd_val(pmd) & PMD_TABLE_BIT);
+ }
+
+ int pud_huge(pud_t pud)
+ {
+ #ifndef __PAGETABLE_PMD_FOLDED
+- return !(pud_val(pud) & PUD_TABLE_BIT);
++ return pud_val(pud) && !(pud_val(pud) & PUD_TABLE_BIT);
+ #else
+ return 0;
+ #endif
+diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
+index d0b4c2efda90..aeb95a15cc9a 100644
+--- a/arch/arm64/mm/init.c
++++ b/arch/arm64/mm/init.c
+@@ -243,7 +243,7 @@ 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 246ef68681f4..2c3c578faa0a 100644
+--- a/drivers/acpi/acpica/utxfinit.c
++++ b/drivers/acpi/acpica/utxfinit.c
+@@ -175,10 +175,12 @@ acpi_status __init 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/acpi/bus.c b/drivers/acpi/bus.c
+index b48aefab57e8..60be8d0ef100 100644
+--- a/drivers/acpi/bus.c
++++ b/drivers/acpi/bus.c
+@@ -450,6 +450,16 @@ static int __init acpi_bus_init_irq(void)
+ u8 acpi_gbl_permanent_mmap;
+
+
++/**
++ * acpi_early_init - Initialize ACPICA and populate the ACPI namespace.
++ *
++ * The ACPI tables are accessible after this, but the handling of events has not
++ * been initialized and the global lock is not available yet, so AML should not
++ * be executed at this point.
++ *
++ * Doing this before switching the EFI runtime services to virtual mode allows
++ * the EfiBootServices memory to be freed slightly earlier on boot.
++ */
+ void __init acpi_early_init(void)
+ {
+ acpi_status status;
+@@ -510,26 +520,42 @@ void __init acpi_early_init(void)
+ acpi_gbl_FADT.sci_interrupt = acpi_sci_override_gsi;
+ }
+ #endif
++ return;
++
++ error0:
++ disable_acpi();
++}
++
++/**
++ * acpi_subsystem_init - Finalize the early initialization of ACPI.
++ *
++ * Switch over the platform to the ACPI mode (if possible), initialize the
++ * handling of ACPI events, install the interrupt and global lock handlers.
++ *
++ * Doing this too early is generally unsafe, but at the same time it needs to be
++ * done before all things that really depend on ACPI. The right spot appears to
++ * be before finalizing the EFI initialization.
++ */
++void __init acpi_subsystem_init(void)
++{
++ acpi_status status;
++
++ if (acpi_disabled)
++ return;
+
+ status = acpi_enable_subsystem(~ACPI_NO_ACPI_ENABLE);
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
+- goto error0;
++ disable_acpi();
++ } else {
++ /*
++ * If the system is using ACPI then we can be reasonably
++ * confident that any regulators are managed by the firmware
++ * so tell the regulator core it has everything it needs to
++ * know.
++ */
++ regulator_has_full_constraints();
+ }
+-
+- /*
+- * If the system is using ACPI then we can be reasonably
+- * confident that any regulators are managed by the firmware
+- * so tell the regulator core it has everything it needs to
+- * know.
+- */
+- regulator_has_full_constraints();
+-
+- return;
+-
+- error0:
+- disable_acpi();
+- return;
+ }
+
+ static int __init acpi_bus_init(void)
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
+index b1c0fcdf46fc..b0e6691faf18 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -4173,9 +4173,10 @@ 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 */
+@@ -4229,6 +4230,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
+ { "Micron_M550*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+ { "Crucial_CT*M550SSD*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
+
++ /* 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
+@@ -4533,7 +4537,8 @@ 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 ef8567de6a75..6fecf0bde105 100644
+--- a/drivers/ata/libata-scsi.c
++++ b/drivers/ata/libata-scsi.c
+@@ -2510,7 +2510,8 @@ 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 2495ee577a64..f0c15f9c2b2f 100644
+--- a/drivers/base/firmware_class.c
++++ b/drivers/base/firmware_class.c
+@@ -544,10 +544,8 @@ static void fw_dev_release(struct device *dev)
+ kfree(fw_priv);
+ }
+
+-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))
+@@ -558,6 +556,18 @@ 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 2f9a3d8ecbbf..58559d75d02c 100644
+--- a/drivers/base/regmap/regmap.c
++++ b/drivers/base/regmap/regmap.c
+@@ -808,11 +808,10 @@ EXPORT_SYMBOL_GPL(devm_regmap_init);
+ static void regmap_field_init(struct regmap_field *rm_field,
+ struct regmap *regmap, struct reg_field reg_field)
+ {
+- int field_bits = reg_field.msb - reg_field.lsb + 1;
+ rm_field->regmap = regmap;
+ rm_field->reg = reg_field.reg;
+ rm_field->shift = reg_field.lsb;
+- rm_field->mask = ((BIT(field_bits) - 1) << reg_field.lsb);
++ rm_field->mask = GENMASK(reg_field.msb, reg_field.lsb);
+ rm_field->id_size = reg_field.id_size;
+ rm_field->id_offset = reg_field.id_offset;
+ }
+@@ -1947,7 +1946,7 @@ 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 63688d3a6ea0..12be7cbfba4f 100644
+--- a/drivers/block/rbd.c
++++ b/drivers/block/rbd.c
+@@ -1826,11 +1826,11 @@ 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 c0e7a9aa97a4..c23658e42fc3 100644
+--- a/drivers/bluetooth/btusb.c
++++ b/drivers/bluetooth/btusb.c
+@@ -1293,6 +1293,8 @@ 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 5c85350f4c3d..19e301f9d549 100644
+--- a/drivers/char/agp/intel-gtt.c
++++ b/drivers/char/agp/intel-gtt.c
+@@ -586,7 +586,7 @@ 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 102463ba745d..643bba7d6f81 100644
+--- a/drivers/char/tpm/tpm_ibmvtpm.c
++++ b/drivers/char/tpm/tpm_ibmvtpm.c
+@@ -579,6 +579,9 @@ 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) {
+@@ -623,8 +626,6 @@ 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/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
+index 831b48287a22..ddd03f8037a7 100644
+--- a/drivers/clocksource/exynos_mct.c
++++ b/drivers/clocksource/exynos_mct.c
+@@ -422,15 +422,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
+ exynos4_mct_write(TICK_BASE_CNT, mevt->base + MCT_L_TCNTB_OFFSET);
+
+ if (mct_int_type == MCT_INT_SPI) {
+- evt->irq = mct_irqs[MCT_L0_IRQ + cpu];
+- if (request_irq(evt->irq, exynos4_mct_tick_isr,
+- IRQF_TIMER | IRQF_NOBALANCING,
+- evt->name, mevt)) {
+- pr_err("exynos-mct: cannot register IRQ %d\n",
+- evt->irq);
++
++ if (evt->irq == -1)
+ return -EIO;
+- }
+- irq_force_affinity(mct_irqs[MCT_L0_IRQ + cpu], cpumask_of(cpu));
++
++ irq_force_affinity(evt->irq, cpumask_of(cpu));
++ enable_irq(evt->irq);
+ } else {
+ enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
+ }
+@@ -443,10 +440,12 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
+ static void exynos4_local_timer_stop(struct clock_event_device *evt)
+ {
+ evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
+- if (mct_int_type == MCT_INT_SPI)
+- free_irq(evt->irq, this_cpu_ptr(&percpu_mct_tick));
+- else
++ if (mct_int_type == MCT_INT_SPI) {
++ if (evt->irq != -1)
++ disable_irq_nosync(evt->irq);
++ } else {
+ disable_percpu_irq(mct_irqs[MCT_L0_IRQ]);
++ }
+ }
+
+ static int exynos4_mct_cpu_notify(struct notifier_block *self,
+@@ -478,7 +477,7 @@ static struct notifier_block exynos4_mct_cpu_nb = {
+
+ static void __init exynos4_timer_resources(struct device_node *np, void __iomem *base)
+ {
+- int err;
++ int err, cpu;
+ struct mct_clock_event_device *mevt = this_cpu_ptr(&percpu_mct_tick);
+ struct clk *mct_clk, *tick_clk;
+
+@@ -505,7 +504,25 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem
+ WARN(err, "MCT: can't request IRQ %d (%d)\n",
+ mct_irqs[MCT_L0_IRQ], err);
+ } else {
+- irq_set_affinity(mct_irqs[MCT_L0_IRQ], cpumask_of(0));
++ for_each_possible_cpu(cpu) {
++ int mct_irq = mct_irqs[MCT_L0_IRQ + cpu];
++ struct mct_clock_event_device *pcpu_mevt =
++ per_cpu_ptr(&percpu_mct_tick, cpu);
++
++ pcpu_mevt->evt.irq = -1;
++
++ irq_set_status_flags(mct_irq, IRQ_NOAUTOEN);
++ if (request_irq(mct_irq,
++ exynos4_mct_tick_isr,
++ IRQF_TIMER | IRQF_NOBALANCING,
++ pcpu_mevt->name, pcpu_mevt)) {
++ pr_err("exynos-mct: cannot register IRQ (cpu%d)\n",
++ cpu);
++
++ continue;
++ }
++ pcpu_mevt->evt.irq = mct_irq;
++ }
+ }
+
+ err = register_cpu_notifier(&exynos4_mct_cpu_nb);
+diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
+index e3d2052e7552..1adc039fe74d 100644
+--- a/drivers/cpuidle/cpuidle.c
++++ b/drivers/cpuidle/cpuidle.c
+@@ -131,6 +131,9 @@ 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 cf7f2f0e4ef5..027c484e1ec9 100644
+--- a/drivers/cpuidle/governors/menu.c
++++ b/drivers/cpuidle/governors/menu.c
+@@ -297,7 +297,7 @@ 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 394cbc5c93e3..6b2f01d60527 100644
+--- a/drivers/dma/mv_xor.c
++++ b/drivers/dma/mv_xor.c
+@@ -316,7 +316,8 @@ 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);
+@@ -328,38 +329,57 @@ 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 d0749229c875..5d14e4b21692 100644
+--- a/drivers/dma/mv_xor.h
++++ b/drivers/dma/mv_xor.h
+@@ -33,6 +33,7 @@
+ #define XOR_OPERATION_MODE_XOR 0
+ #define XOR_OPERATION_MODE_MEMCPY 2
+ #define XOR_DESCRIPTOR_SWAP BIT(14)
++#define XOR_DESC_SUCCESS 0x40000000
+
+ #define XOR_CURR_DESC(chan) (chan->mmr_high_base + 0x10 + (chan->idx * 4))
+ #define XOR_NEXT_DESC(chan) (chan->mmr_high_base + 0x00 + (chan->idx * 4))
+diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
+index 3b7d32da1604..903db3cf288a 100644
+--- a/drivers/gpu/drm/drm_crtc.c
++++ b/drivers/gpu/drm/drm_crtc.c
+@@ -2155,8 +2155,11 @@ 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 eb89653a7a17..c5e96a38f859 100644
+--- a/drivers/gpu/drm/qxl/qxl_cmd.c
++++ b/drivers/gpu/drm/qxl/qxl_cmd.c
+@@ -505,6 +505,7 @@ 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/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
+index 0bb86e6d41b4..56a13a915155 100644
+--- a/drivers/gpu/drm/qxl/qxl_ioctl.c
++++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
+@@ -122,8 +122,10 @@ static struct qxl_bo *qxlhw_handle_to_bo(struct qxl_device *qdev,
+ qobj = gem_to_qxl_bo(gobj);
+
+ ret = qxl_release_list_add(release, qobj);
+- if (ret)
++ if (ret) {
++ drm_gem_object_unreference_unlocked(gobj);
+ return NULL;
++ }
+
+ return qobj;
+ }
+diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
+index c4558bdb0584..2fd2fb3f735f 100644
+--- a/drivers/gpu/drm/radeon/cik.c
++++ b/drivers/gpu/drm/radeon/cik.c
+@@ -4148,6 +4148,31 @@ void cik_compute_set_wptr(struct radeon_device *rdev,
+ WDOORBELL32(ring->doorbell_index, ring->wptr);
+ }
+
++static void cik_compute_stop(struct radeon_device *rdev,
++ struct radeon_ring *ring)
++{
++ u32 j, tmp;
++
++ cik_srbm_select(rdev, ring->me, ring->pipe, ring->queue, 0);
++ /* Disable wptr polling. */
++ tmp = RREG32(CP_PQ_WPTR_POLL_CNTL);
++ tmp &= ~WPTR_POLL_EN;
++ WREG32(CP_PQ_WPTR_POLL_CNTL, tmp);
++ /* Disable HQD. */
++ if (RREG32(CP_HQD_ACTIVE) & 1) {
++ WREG32(CP_HQD_DEQUEUE_REQUEST, 1);
++ for (j = 0; j < rdev->usec_timeout; j++) {
++ if (!(RREG32(CP_HQD_ACTIVE) & 1))
++ break;
++ udelay(1);
++ }
++ WREG32(CP_HQD_DEQUEUE_REQUEST, 0);
++ WREG32(CP_HQD_PQ_RPTR, 0);
++ WREG32(CP_HQD_PQ_WPTR, 0);
++ }
++ cik_srbm_select(rdev, 0, 0, 0, 0);
++}
++
+ /**
+ * cik_cp_compute_enable - enable/disable the compute CP MEs
+ *
+@@ -4161,6 +4186,15 @@ static void cik_cp_compute_enable(struct radeon_device *rdev, bool enable)
+ if (enable)
+ WREG32(CP_MEC_CNTL, 0);
+ else {
++ /*
++ * To make hibernation reliable we need to clear compute ring
++ * configuration before halting the compute ring.
++ */
++ mutex_lock(&rdev->srbm_mutex);
++ cik_compute_stop(rdev,&rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
++ cik_compute_stop(rdev,&rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
++ mutex_unlock(&rdev->srbm_mutex);
++
+ WREG32(CP_MEC_CNTL, (MEC_ME1_HALT | MEC_ME2_HALT));
+ rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
+ rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
+diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
+index 66ba713ba7d7..e590aec50c7d 100644
+--- a/drivers/gpu/drm/radeon/cik_sdma.c
++++ b/drivers/gpu/drm/radeon/cik_sdma.c
+@@ -266,6 +266,17 @@ static void cik_sdma_gfx_stop(struct radeon_device *rdev)
+ }
+ rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
+ rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false;
++
++ /* FIXME use something else than big hammer but after few days can not
++ * seem to find good combination so reset SDMA blocks as it seems we
++ * do not shut them down properly. This fix hibernation and does not
++ * affect suspend to ram.
++ */
++ WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1);
++ (void)RREG32(SRBM_SOFT_RESET);
++ udelay(50);
++ WREG32(SRBM_SOFT_RESET, 0);
++ (void)RREG32(SRBM_SOFT_RESET);
+ }
+
+ /**
+diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
+index a8f9b463bf2a..e60972290be6 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 b3f0293ba0d8..f8b20e1c0820 100644
+--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
++++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
+@@ -79,10 +79,12 @@ 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/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
+index 11804cc1e11f..c9053f799abe 100644
+--- a/drivers/gpu/drm/radeon/si_dpm.c
++++ b/drivers/gpu/drm/radeon/si_dpm.c
+@@ -2914,6 +2914,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = {
+ /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */
+ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 },
+ { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 },
++ { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 },
+ { 0, 0, 0, 0 },
+ };
+
+diff --git a/drivers/hwmon/mcp3021.c b/drivers/hwmon/mcp3021.c
+index d219c06a857b..972444a14cca 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 8873d84e1d4f..50862c948217 100644
+--- a/drivers/i2c/busses/i2c-at91.c
++++ b/drivers/i2c/busses/i2c-at91.c
+@@ -62,6 +62,9 @@
+ #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 */
+@@ -117,13 +120,12 @@ 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);
+ }
+
+@@ -213,6 +215,14 @@ 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);
+ }
+
+@@ -307,7 +317,7 @@ 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)
+@@ -368,7 +378,7 @@ 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);
+ }
+@@ -381,6 +391,34 @@ 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);
+
+@@ -411,26 +449,24 @@ 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/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
+index e6bf77d1ec08..ed4e45f53e20 100644
+--- a/drivers/iio/adc/at91_adc.c
++++ b/drivers/iio/adc/at91_adc.c
+@@ -58,7 +58,7 @@ struct at91_adc_caps {
+ u8 ts_pen_detect_sensitivity;
+
+ /* startup time calculate function */
+- u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz);
++ u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz);
+
+ u8 num_channels;
+ struct at91_adc_reg_desc registers;
+@@ -82,7 +82,7 @@ struct at91_adc_state {
+ u8 num_channels;
+ void __iomem *reg_base;
+ struct at91_adc_reg_desc *registers;
+- u8 startup_time;
++ u32 startup_time;
+ u8 sample_hold_time;
+ bool sleep_mode;
+ struct iio_trigger **trig;
+@@ -590,7 +590,7 @@ ret:
+ return ret;
+ }
+
+-static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz)
++static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz)
+ {
+ /*
+ * Number of ticks needed to cover the startup time of the ADC
+@@ -601,7 +601,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz)
+ return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8;
+ }
+
+-static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz)
++static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz)
+ {
+ /*
+ * For sama5d3x and at91sam9x5, the formula changes to:
+diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
+index e8199cce2aea..1e666510c672 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/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c
+index 84a0789c3d96..7a8050996b4e 100644
+--- a/drivers/iio/temperature/tmp006.c
++++ b/drivers/iio/temperature/tmp006.c
+@@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev,
+ struct tmp006_data *data = iio_priv(indio_dev);
+ int i;
+
++ if (mask != IIO_CHAN_INFO_SAMP_FREQ)
++ return -EINVAL;
++
+ for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++)
+ if ((val == tmp006_freqs[i][0]) &&
+ (val2 == tmp006_freqs[i][1])) {
+diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
+index 60142274fe4b..dd2b610552d5 100644
+--- a/drivers/infiniband/ulp/isert/ib_isert.c
++++ b/drivers/infiniband/ulp/isert/ib_isert.c
+@@ -59,6 +59,8 @@ 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)
+ {
+@@ -206,7 +208,7 @@ 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;
+
+@@ -534,6 +536,7 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
+ mutex_init(&isert_conn->conn_mutex);
+ spin_lock_init(&isert_conn->conn_lock);
+ INIT_LIST_HEAD(&isert_conn->conn_fr_pool);
++ 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;
+@@ -647,9 +650,9 @@ 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");
+
+@@ -657,7 +660,8 @@ isert_connect_release(struct isert_conn *isert_conn)
+ isert_conn_free_fastreg_pool(isert_conn);
+
+ 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 *)
+@@ -799,6 +803,7 @@ 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);
+@@ -806,21 +811,37 @@ 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
+@@ -850,7 +871,7 @@ 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);
+@@ -2944,7 +2965,6 @@ 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/leds/led-class.c b/drivers/leds/led-class.c
+index f37d63cf726b..825545cdfb10 100644
+--- a/drivers/leds/led-class.c
++++ b/drivers/leds/led-class.c
+@@ -178,6 +178,7 @@ void led_classdev_resume(struct led_classdev *led_cdev)
+ }
+ EXPORT_SYMBOL_GPL(led_classdev_resume);
+
++#ifdef CONFIG_PM_SLEEP
+ static int led_suspend(struct device *dev)
+ {
+ struct led_classdev *led_cdev = dev_get_drvdata(dev);
+@@ -197,11 +198,9 @@ static int led_resume(struct device *dev)
+
+ return 0;
+ }
++#endif
+
+-static const struct dev_pm_ops leds_class_dev_pm_ops = {
+- .suspend = led_suspend,
+- .resume = led_resume,
+-};
++static SIMPLE_DEV_PM_OPS(leds_class_dev_pm_ops, led_suspend, led_resume);
+
+ /**
+ * led_classdev_register - register a new object of led_classdev class.
+diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
+index 28a90122a5a8..b3b0697a9fd7 100644
+--- a/drivers/md/dm-stats.c
++++ b/drivers/md/dm-stats.c
+@@ -795,6 +795,8 @@ static int message_stats_create(struct mapped_device *md,
+ return -EINVAL;
+
+ if (sscanf(argv[2], "/%u%c", &divisor, &dummy) == 1) {
++ if (!divisor)
++ return -EINVAL;
+ step = end - start;
+ if (do_div(step, divisor))
+ step++;
+diff --git a/drivers/md/md.c b/drivers/md/md.c
+index 40959ee73583..b4067b9afd38 100644
+--- a/drivers/md/md.c
++++ b/drivers/md/md.c
+@@ -6232,7 +6232,7 @@ 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 200ac12a1d40..fdd3793e22f9 100644
+--- a/drivers/md/persistent-data/dm-btree.c
++++ b/drivers/md/persistent-data/dm-btree.c
+@@ -255,7 +255,7 @@ 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->info = info;
+diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
+index f4e22bcc7fb8..199c9ccd1f5d 100644
+--- a/drivers/md/persistent-data/dm-space-map-metadata.c
++++ b/drivers/md/persistent-data/dm-space-map-metadata.c
+@@ -204,6 +204,27 @@ static void in(struct sm_metadata *smm)
+ smm->recursion_count++;
+ }
+
++static int apply_bops(struct sm_metadata *smm)
++{
++ int r = 0;
++
++ while (!brb_empty(&smm->uncommitted)) {
++ struct block_op bop;
++
++ r = brb_pop(&smm->uncommitted, &bop);
++ if (r) {
++ DMERR("bug in bop ring buffer");
++ break;
++ }
++
++ r = commit_bop(smm, &bop);
++ if (r)
++ break;
++ }
++
++ return r;
++}
++
+ static int out(struct sm_metadata *smm)
+ {
+ int r = 0;
+@@ -216,21 +237,8 @@ static int out(struct sm_metadata *smm)
+ return -ENOMEM;
+ }
+
+- if (smm->recursion_count == 1) {
+- while (!brb_empty(&smm->uncommitted)) {
+- struct block_op bop;
+-
+- r = brb_pop(&smm->uncommitted, &bop);
+- if (r) {
+- DMERR("bug in bop ring buffer");
+- break;
+- }
+-
+- r = commit_bop(smm, &bop);
+- if (r)
+- break;
+- }
+- }
++ if (smm->recursion_count == 1)
++ apply_bops(smm);
+
+ smm->recursion_count--;
+
+@@ -702,6 +710,12 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks)
+ }
+ old_len = smm->begin;
+
++ r = apply_bops(smm);
++ if (r) {
++ DMERR("%s: apply_bops failed", __func__);
++ goto out;
++ }
++
+ r = sm_ll_commit(&smm->ll);
+ if (r)
+ goto out;
+@@ -771,6 +785,12 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
+ if (r)
+ return r;
+
++ r = apply_bops(smm);
++ if (r) {
++ DMERR("%s: apply_bops failed", __func__);
++ return r;
++ }
++
+ return sm_metadata_commit(sm);
+ }
+
+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/cx24117.c b/drivers/media/dvb-frontends/cx24117.c
+index a6c3c9e2e897..d2eab0676d30 100644
+--- a/drivers/media/dvb-frontends/cx24117.c
++++ b/drivers/media/dvb-frontends/cx24117.c
+@@ -1043,7 +1043,7 @@ static int cx24117_send_diseqc_msg(struct dvb_frontend *fe,
+ dev_dbg(&state->priv->i2c->dev, ")\n");
+
+ /* Validate length */
+- if (d->msg_len > 15)
++ if (d->msg_len > sizeof(d->msg))
+ return -EINVAL;
+
+ /* DiSEqC message */
+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 b1e21fc869c3..d71f5ef036e0 100644
+--- a/drivers/mmc/card/block.c
++++ b/drivers/mmc/card/block.c
+@@ -205,6 +205,8 @@ static ssize_t power_ro_lock_show(struct device *dev,
+
+ ret = snprintf(buf, PAGE_SIZE, "%d\n", locked);
+
++ mmc_blk_put(md);
++
+ return ret;
+ }
+
+@@ -1861,9 +1863,11 @@ 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/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
+index 9715a7ba164a..efc542d00c84 100644
+--- a/drivers/mtd/nand/nand_base.c
++++ b/drivers/mtd/nand/nand_base.c
+@@ -2000,7 +2000,7 @@ static int nand_write_page_raw_syndrome(struct mtd_info *mtd,
+ oob += chip->ecc.prepad;
+ }
+
+- chip->read_buf(mtd, oob, eccbytes);
++ chip->write_buf(mtd, oob, eccbytes);
+ oob += eccbytes;
+
+ if (chip->ecc.postpad) {
+@@ -3063,7 +3063,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
+ int *busw)
+ {
+ struct nand_onfi_params *p = &chip->onfi_params;
+- int i;
++ int i, j;
+ int val;
+
+ /* Try ONFI for unknown chip or LP */
+@@ -3072,18 +3072,10 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
+ chip->read_byte(mtd) != 'F' || chip->read_byte(mtd) != 'I')
+ return 0;
+
+- /*
+- * ONFI must be probed in 8-bit mode or with NAND_BUSWIDTH_AUTO, not
+- * with NAND_BUSWIDTH_16
+- */
+- if (chip->options & NAND_BUSWIDTH_16) {
+- pr_err("ONFI cannot be probed in 16-bit mode; aborting\n");
+- return 0;
+- }
+-
+ chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1);
+ for (i = 0; i < 3; i++) {
+- chip->read_buf(mtd, (uint8_t *)p, sizeof(*p));
++ for (j = 0; j < sizeof(*p); j++)
++ ((uint8_t *)p)[j] = chip->read_byte(mtd);
+ if (onfi_crc16(ONFI_CRC_BASE, (uint8_t *)p, 254) ==
+ le16_to_cpu(p->crc)) {
+ break;
+diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
+index 5924f72dd493..f35ce8e50e65 100644
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -205,11 +205,13 @@ static bool ath_prepare_reset(struct ath_softc *sc)
+ ath_stop_ani(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/of/base.c b/drivers/of/base.c
+index 3935614274eb..e99f329c905e 100644
+--- a/drivers/of/base.c
++++ b/drivers/of/base.c
+@@ -77,7 +77,7 @@ EXPORT_SYMBOL(of_n_size_cells);
+ #ifdef CONFIG_NUMA
+ int __weak of_node_to_nid(struct device_node *np)
+ {
+- return numa_node_id();
++ return NUMA_NO_NODE;
+ }
+ #endif
+
+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 ae1f760cbdd2..bb525b19be77 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 843a51f9d129..d918c5186061 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/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
+index fed4111ac31a..1beb232ef03b 100644
+--- a/drivers/platform/x86/dell-laptop.c
++++ b/drivers/platform/x86/dell-laptop.c
+@@ -272,7 +272,6 @@ static struct dmi_system_id dell_quirks[] = {
+ };
+
+ static struct calling_interface_buffer *buffer;
+-static struct page *bufferpage;
+ static DEFINE_MUTEX(buffer_mutex);
+
+ static int hwswitch_state;
+@@ -825,12 +824,11 @@ static int __init dell_init(void)
+ * Allocate buffer below 4GB for SMI data--only 32-bit physical addr
+ * is passed to SMI handler.
+ */
+- bufferpage = alloc_page(GFP_KERNEL | GFP_DMA32);
+- if (!bufferpage) {
++ buffer = (void *)__get_free_page(GFP_KERNEL | GFP_DMA32);
++ if (!buffer) {
+ ret = -ENOMEM;
+ goto fail_buffer;
+ }
+- buffer = page_address(bufferpage);
+
+ ret = dell_setup_rfkill();
+
+@@ -892,7 +890,7 @@ fail_backlight:
+ cancel_delayed_work_sync(&dell_rfkill_work);
+ dell_cleanup_rfkill();
+ fail_rfkill:
+- free_page((unsigned long)bufferpage);
++ free_page((unsigned long)buffer);
+ fail_buffer:
+ platform_device_del(platform_device);
+ fail_platform_device2:
+diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
+index 6dd060a0bb65..0d1a5d497ce0 100644
+--- a/drivers/platform/x86/ideapad-laptop.c
++++ b/drivers/platform/x86/ideapad-laptop.c
+@@ -461,8 +461,9 @@ const struct ideapad_rfk_data ideapad_rfk_data[] = {
+ static int ideapad_rfk_set(void *data, bool blocked)
+ {
+ struct ideapad_rfk_priv *priv = data;
++ int opcode = ideapad_rfk_data[priv->dev].opcode;
+
+- return write_ec_cmd(priv->priv->adev->handle, priv->dev, !blocked);
++ return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked);
+ }
+
+ static struct rfkill_ops ideapad_rfk_ops = {
+diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
+index 5d8d2dcd975e..427cb625af0a 100644
+--- a/drivers/regulator/core.c
++++ b/drivers/regulator/core.c
+@@ -773,7 +773,7 @@ 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 0801f3df4b27..02edae714b0e 100644
+--- a/drivers/scsi/ipr.h
++++ b/drivers/scsi/ipr.h
+@@ -264,7 +264,7 @@
+ #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 0a1dcb43d18b..13f4bef214dc 100644
+--- a/drivers/scsi/qla2xxx/qla_isr.c
++++ b/drivers/scsi/qla2xxx/qla_isr.c
+@@ -572,8 +572,9 @@ 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;
+@@ -968,6 +969,20 @@ 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/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c
+index e3e794ee7ddd..b85eaa0d75c2 100644
+--- a/drivers/scsi/scsi_transport_srp.c
++++ b/drivers/scsi/scsi_transport_srp.c
+@@ -397,6 +397,36 @@ static void srp_reconnect_work(struct work_struct *work)
+ }
+ }
+
++/**
++ * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn()
++ * @shost: SCSI host for which to count the number of scsi_request_fn() callers.
++ *
++ * To do: add support for scsi-mq in this function.
++ */
++static int scsi_request_fn_active(struct Scsi_Host *shost)
++{
++ struct scsi_device *sdev;
++ struct request_queue *q;
++ int request_fn_active = 0;
++
++ shost_for_each_device(sdev, shost) {
++ q = sdev->request_queue;
++
++ spin_lock_irq(q->queue_lock);
++ request_fn_active += q->request_fn_active;
++ spin_unlock_irq(q->queue_lock);
++ }
++
++ return request_fn_active;
++}
++
++/* Wait until ongoing shost->hostt->queuecommand() calls have finished. */
++static void srp_wait_for_queuecommand(struct Scsi_Host *shost)
++{
++ while (scsi_request_fn_active(shost))
++ msleep(20);
++}
++
+ static void __rport_fail_io_fast(struct srp_rport *rport)
+ {
+ struct Scsi_Host *shost = rport_to_shost(rport);
+@@ -410,8 +440,10 @@ static void __rport_fail_io_fast(struct srp_rport *rport)
+
+ /* Involve the LLD if possible to terminate all I/O on the rport. */
+ i = to_srp_internal(shost->transportt);
+- if (i->f->terminate_rport_io)
++ if (i->f->terminate_rport_io) {
++ srp_wait_for_queuecommand(shost);
+ i->f->terminate_rport_io(rport);
++ }
+ }
+
+ /**
+@@ -505,27 +537,6 @@ void srp_start_tl_fail_timers(struct srp_rport *rport)
+ EXPORT_SYMBOL(srp_start_tl_fail_timers);
+
+ /**
+- * scsi_request_fn_active() - number of kernel threads inside scsi_request_fn()
+- * @shost: SCSI host for which to count the number of scsi_request_fn() callers.
+- */
+-static int scsi_request_fn_active(struct Scsi_Host *shost)
+-{
+- struct scsi_device *sdev;
+- struct request_queue *q;
+- int request_fn_active = 0;
+-
+- shost_for_each_device(sdev, shost) {
+- q = sdev->request_queue;
+-
+- spin_lock_irq(q->queue_lock);
+- request_fn_active += q->request_fn_active;
+- spin_unlock_irq(q->queue_lock);
+- }
+-
+- return request_fn_active;
+-}
+-
+-/**
+ * srp_reconnect_rport() - reconnect to an SRP target port
+ * @rport: SRP target port.
+ *
+@@ -560,8 +571,7 @@ int srp_reconnect_rport(struct srp_rport *rport)
+ if (res)
+ goto out;
+ scsi_target_block(&shost->shost_gendev);
+- while (scsi_request_fn_active(shost))
+- msleep(20);
++ srp_wait_for_queuecommand(shost);
+ res = rport->state != SRP_RPORT_LOST ? i->f->reconnect(rport) : -ENODEV;
+ pr_debug("%s (state %d): transport.reconnect() returned %d\n",
+ dev_name(&shost->shost_gendev), rport->state, res);
+diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
+index d6563ec700d4..f3e3ae8af709 100644
+--- a/drivers/spi/spi.c
++++ b/drivers/spi/spi.c
+@@ -834,9 +834,6 @@ void spi_finalize_current_message(struct spi_master *master)
+
+ spin_lock_irqsave(&master->queue_lock, flags);
+ mesg = master->cur_msg;
+- master->cur_msg = NULL;
+-
+- queue_kthread_work(&master->kworker, &master->pump_messages);
+ spin_unlock_irqrestore(&master->queue_lock, flags);
+
+ if (master->cur_msg_prepared && master->unprepare_message) {
+@@ -847,9 +844,13 @@ void spi_finalize_current_message(struct spi_master *master)
+ }
+ }
+
+- trace_spi_message_done(mesg);
+-
++ spin_lock_irqsave(&master->queue_lock, flags);
++ master->cur_msg = NULL;
+ master->cur_msg_prepared = false;
++ queue_kthread_work(&master->kworker, &master->pump_messages);
++ spin_unlock_irqrestore(&master->queue_lock, flags);
++
++ trace_spi_message_done(mesg);
+
+ mesg->state = NULL;
+ if (mesg->complete)
+diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c
+index ea965370d1ac..d060b1f4f092 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 b61c555a5a8f..c8d7b3009c7e 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_qr_cache = kmem_cache_create("lio_qr_cache",
+@@ -553,7 +550,7 @@ static int __init iscsi_target_init_module(void)
+ if (!lio_qr_cache) {
+ pr_err("nable to kmem_cache_create() for"
+ " lio_qr_cache\n");
+- goto ts_out2;
++ goto bitmap_out;
+ }
+
+ lio_dr_cache = kmem_cache_create("lio_dr_cache",
+@@ -597,10 +594,8 @@ dr_out:
+ kmem_cache_destroy(lio_dr_cache);
+ qr_out:
+ kmem_cache_destroy(lio_qr_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:
+@@ -610,8 +605,6 @@ 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_qr_cache);
+@@ -621,6 +614,7 @@ static void __exit iscsi_target_cleanup_module(void)
+
+ iscsi_target_deregister_configfs();
+
++ vfree(iscsit_global->ts_bitmap);
+ kfree(iscsit_global);
+ }
+
+@@ -3653,17 +3647,16 @@ 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);
+@@ -3855,7 +3848,7 @@ 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:
+@@ -3883,8 +3876,6 @@ check_rsp_state:
+
+ err:
+ return -1;
+-restart:
+- return -EAGAIN;
+ }
+
+ static int iscsit_handle_response_queue(struct iscsi_conn *conn)
+@@ -3911,21 +3902,13 @@ 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
+@@ -3934,11 +3917,9 @@ 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:
+@@ -3949,15 +3930,14 @@ 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;
+ }
+@@ -4046,8 +4026,7 @@ 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
+@@ -4055,11 +4034,6 @@ 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;
+@@ -4069,7 +4043,7 @@ restart:
+ if (rc < 0)
+ goto transport_err;
+
+- goto out;
++ goto transport_err;
+ }
+
+ while (!kthread_should_stop()) {
+@@ -4145,8 +4119,6 @@ transport_err:
+ if (!signal_pending(current))
+ atomic_set(&conn->transport_failed, 1);
+ iscsit_take_action_for_connection_exit(conn);
+- goto restart;
+-out:
+ return 0;
+ }
+
+@@ -4208,7 +4180,24 @@ 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);
+@@ -4487,15 +4476,13 @@ 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);
+ }
+@@ -4503,13 +4490,12 @@ 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 1d4a8c86551f..825b579ebca8 100644
+--- a/drivers/target/iscsi/iscsi_target_core.h
++++ b/drivers/target/iscsi/iscsi_target_core.h
+@@ -601,6 +601,11 @@ 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;
+@@ -869,10 +874,12 @@ 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 0d1e6ee3e992..7396d90d96b2 100644
+--- a/drivers/target/iscsi/iscsi_target_erl0.c
++++ b/drivers/target/iscsi/iscsi_target_erl0.c
+@@ -864,7 +864,10 @@ 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);
+@@ -889,10 +892,10 @@ 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 c5d3811a7b8c..449df092bfa0 100644
+--- a/drivers/target/iscsi/iscsi_target_login.c
++++ b/drivers/target/iscsi/iscsi_target_login.c
+@@ -681,6 +681,51 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn)
+ iscsit_start_nopin_timer(conn);
+ }
+
++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,
+@@ -691,7 +736,7 @@ int iscsi_post_login_handler(
+ struct se_session *se_sess = sess->se_sess;
+ struct iscsi_portal_group *tpg = sess->tpg;
+ struct se_portal_group *se_tpg = &tpg->tpg_se_tpg;
+- struct iscsi_thread_set *ts;
++ int rc;
+
+ iscsit_inc_conn_usage_count(conn);
+
+@@ -706,7 +751,6 @@ 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);
+@@ -733,9 +777,11 @@ 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.
+@@ -792,8 +838,11 @@ 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/thermal/step_wise.c b/drivers/thermal/step_wise.c
+index ee52ab7d3730..c501eba601da 100644
+--- a/drivers/thermal/step_wise.c
++++ b/drivers/thermal/step_wise.c
+@@ -76,7 +76,7 @@ static unsigned long get_target_state(struct thermal_instance *instance,
+ next_target = instance->upper;
+ break;
+ case THERMAL_TREND_DROPPING:
+- if (cur_state == instance->lower) {
++ if (cur_state <= instance->lower) {
+ if (!throttle)
+ next_target = THERMAL_NO_TARGET;
+ } else {
+diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
+index 45b7b96f9ed3..8016aaa158f2 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 &&
+@@ -1591,7 +1591,7 @@ 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;
+@@ -1614,7 +1614,7 @@ 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)
+@@ -1623,10 +1623,11 @@ 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;
+ }
+@@ -1756,7 +1757,7 @@ 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)
+@@ -1764,11 +1765,12 @@ 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;
+ }
+@@ -1940,7 +1942,8 @@ 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)
+@@ -2001,6 +2004,32 @@ 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;
+@@ -2094,16 +2123,6 @@ 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));
+@@ -2115,16 +2134,6 @@ 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);
+@@ -2161,6 +2170,8 @@ 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 0985ff715c0c..a05fc58d9b60 100644
+--- a/drivers/usb/dwc3/ep0.c
++++ b/drivers/usb/dwc3/ep0.c
+@@ -707,6 +707,10 @@ 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 8f6738d46b14..a57ad1f52f79 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -299,6 +299,8 @@ 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;
+ }
+
+@@ -335,6 +337,8 @@ 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 9bce4f0e99be..f8893b32bbb6 100644
+--- a/drivers/usb/host/xhci-mem.c
++++ b/drivers/usb/host/xhci-mem.c
+@@ -1331,10 +1331,10 @@ 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/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
+index 0241a3a0d63e..1e9bde4fe785 100644
+--- a/drivers/usb/musb/musb_virthub.c
++++ b/drivers/usb/musb/musb_virthub.c
+@@ -273,9 +273,7 @@ static int musb_has_gadget(struct musb *musb)
+ #ifdef CONFIG_USB_MUSB_HOST
+ return 1;
+ #else
+- if (musb->port_mode == MUSB_PORT_MODE_HOST)
+- return 1;
+- return musb->g.dev.driver != NULL;
++ return musb->port_mode == MUSB_PORT_MODE_HOST;
+ #endif
+ }
+
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index 73c7292f48e5..d11335d4395d 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/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
+index 9a08e18e09b9..3d66e9c5a95d 100644
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -1300,6 +1300,7 @@ static void __exit usb_serial_exit(void)
+ tty_unregister_driver(usb_serial_tty_driver);
+ put_tty_driver(usb_serial_tty_driver);
+ bus_unregister(&usb_serial_bus_type);
++ idr_destroy(&serial_minors);
+ }
+
+
+diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
+index 09cf0135e8ac..90a6406111f5 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 (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x01)
+ cpu_relax();
+diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
+index bb7991c7e5c7..bfdeadb7c243 100644
+--- a/fs/9p/vfs_inode.c
++++ b/fs/9p/vfs_inode.c
+@@ -540,8 +540,7 @@ 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 59dc8e87647f..de8606c3a9da 100644
+--- a/fs/9p/vfs_inode_dotl.c
++++ b/fs/9p/vfs_inode_dotl.c
+@@ -149,8 +149,7 @@ 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/bio.c b/fs/bio.c
+index 8754e7b6eb49..b2b1451912b5 100644
+--- a/fs/bio.c
++++ b/fs/bio.c
+@@ -1806,8 +1806,9 @@ EXPORT_SYMBOL(bio_endio_nodec);
+ * Allocates and returns a new bio which represents @sectors from the start of
+ * @bio, and updates @bio to represent the remaining sectors.
+ *
+- * The newly allocated bio will point to @bio's bi_io_vec; it is the caller's
+- * responsibility to ensure that @bio is not freed before the split.
++ * Unless this is a discard request the newly allocated bio will point
++ * to @bio's bi_io_vec; it is the caller's responsibility to ensure that
++ * @bio is not freed before the split.
+ */
+ struct bio *bio_split(struct bio *bio, int sectors,
+ gfp_t gfp, struct bio_set *bs)
+@@ -1817,7 +1818,15 @@ struct bio *bio_split(struct bio *bio, int sectors,
+ BUG_ON(sectors <= 0);
+ BUG_ON(sectors >= bio_sectors(bio));
+
+- split = bio_clone_fast(bio, gfp, bs);
++ /*
++ * Discards need a mutable bio_vec to accommodate the payload
++ * required by the DSM TRIM and UNMAP commands.
++ */
++ if (bio->bi_rw & REQ_DISCARD)
++ split = bio_clone_bioset(bio, gfp, bs);
++ else
++ split = bio_clone_fast(bio, gfp, bs);
++
+ if (!split)
+ return NULL;
+
+diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
+index ab485e57b6fe..644942aeaeda 100644
+--- a/fs/btrfs/inode-map.c
++++ b/fs/btrfs/inode-map.c
+@@ -281,7 +281,7 @@ 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/btrfs/ioctl.c b/fs/btrfs/ioctl.c
+index 3e16042338e4..d40ae42ba6d4 100644
+--- a/fs/btrfs/ioctl.c
++++ b/fs/btrfs/ioctl.c
+@@ -2743,7 +2743,7 @@ out_unlock:
+ static long btrfs_ioctl_file_extent_same(struct file *file,
+ struct btrfs_ioctl_same_args __user *argp)
+ {
+- struct btrfs_ioctl_same_args *same;
++ struct btrfs_ioctl_same_args *same = NULL;
+ struct btrfs_ioctl_same_extent_info *info;
+ struct inode *src = file_inode(file);
+ u64 off;
+@@ -2773,6 +2773,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file,
+
+ if (IS_ERR(same)) {
+ ret = PTR_ERR(same);
++ same = NULL;
+ goto out;
+ }
+
+@@ -2843,6 +2844,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file,
+
+ out:
+ mnt_drop_write_file(file);
++ kfree(same);
+ return ret;
+ }
+
+diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
+index e6574d7b6642..a7c5277a728f 100644
+--- a/fs/ext4/indirect.c
++++ b/fs/ext4/indirect.c
+@@ -576,7 +576,7 @@ 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 da03340fdb17..f9c63ae7276a 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -1357,7 +1357,7 @@ static void ext4_da_page_release_reservation(struct page *page,
+ unsigned int offset,
+ unsigned int length)
+ {
+- 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;
+@@ -1378,14 +1378,23 @@ 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
+@@ -1744,19 +1753,32 @@ 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);
+
+@@ -1781,6 +1803,8 @@ 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 7620133f78bf..c4a5e4df8ca3 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -4793,18 +4793,12 @@ 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 2ae73a80c19b..be92ed2609bc 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 9fb3e6c0c578..a07af5b7a575 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -832,6 +832,7 @@ 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 73f6bcb44ea8..faf00af7f3d7 100644
+--- a/fs/fuse/inode.c
++++ b/fs/fuse/inode.c
+@@ -1026,6 +1026,7 @@ 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;
+@@ -1040,7 +1041,6 @@ 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 4534ff688b76..77b583da187f 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 7f34f4716165..b892355f1944 100644
+--- a/fs/jbd2/checkpoint.c
++++ b/fs/jbd2/checkpoint.c
+@@ -448,7 +448,7 @@ 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;
+@@ -463,10 +463,9 @@ 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 f2d78a3dae43..e8d62d742435 100644
+--- a/fs/jbd2/journal.c
++++ b/fs/jbd2/journal.c
+@@ -885,9 +885,10 @@ 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));
+
+@@ -897,7 +898,10 @@ 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)
+@@ -913,6 +917,9 @@ 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;
+ }
+
+ /*
+@@ -1331,7 +1338,7 @@ 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;
+@@ -1370,7 +1377,10 @@ 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;
+ }
+
+ /**
+@@ -1383,10 +1393,11 @@ 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",
+@@ -1395,13 +1406,18 @@ 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;
+ }
+
+ /**
+@@ -1952,7 +1968,14 @@ 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
+@@ -1968,7 +1991,8 @@ 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 b4f177f1d405..c402b672a474 100644
+--- a/fs/nfs/nfs4state.c
++++ b/fs/nfs/nfs4state.c
+@@ -1482,6 +1482,8 @@ 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 14e58f2c96bd..98d4948feba0 100644
+--- a/fs/xfs/xfs_symlink.c
++++ b/fs/xfs/xfs_symlink.c
+@@ -102,7 +102,7 @@ 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 8fc12f80b616..69afb5780815 100644
+--- a/include/acpi/actypes.h
++++ b/include/acpi/actypes.h
+@@ -561,6 +561,7 @@ 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/acpi.h b/include/linux/acpi.h
+index cd80aa80d03e..77af62187e7a 100644
+--- a/include/linux/acpi.h
++++ b/include/linux/acpi.h
+@@ -402,6 +402,7 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle,
+ #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82
+
+ extern void acpi_early_init(void);
++extern void acpi_subsystem_init(void);
+
+ extern int acpi_nvs_register(__u64 start, __u64 size);
+
+@@ -436,6 +437,7 @@ static inline const char *acpi_dev_name(struct acpi_device *adev)
+ }
+
+ static inline void acpi_early_init(void) { }
++static inline void acpi_subsystem_init(void) { }
+
+ static inline int early_acpi_boot_init(void)
+ {
+diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
+index 0dae71e9971c..e1fb0f613a99 100644
+--- a/include/linux/jbd2.h
++++ b/include/linux/jbd2.h
+@@ -1035,7 +1035,7 @@ struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal);
+ 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 */
+@@ -1157,7 +1157,7 @@ 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 b84e786ff990..189c9ff97b29 100644
+--- a/include/linux/libata.h
++++ b/include/linux/libata.h
+@@ -428,6 +428,7 @@ enum {
+ ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
+ 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 53988cb3c05a..3a36a2c33aef 100644
+--- a/include/linux/nfs_xdr.h
++++ b/include/linux/nfs_xdr.h
+@@ -1155,7 +1155,7 @@ struct nfs41_state_protection {
+ struct nfs4_op_map allow;
+ };
+
+-#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/linux/of.h b/include/linux/of.h
+index 3f8144dadaef..9f2698de732b 100644
+--- a/include/linux/of.h
++++ b/include/linux/of.h
+@@ -517,7 +517,10 @@ static inline const char *of_prop_next_string(struct property *prop,
+ #if defined(CONFIG_OF) && defined(CONFIG_NUMA)
+ extern int of_node_to_nid(struct device_node *np);
+ #else
+-static inline int of_node_to_nid(struct device_node *device) { return 0; }
++static inline int of_node_to_nid(struct device_node *device)
++{
++ return NUMA_NO_NODE;
++}
+ #endif
+
+ static inline struct device_node *of_find_matching_node(
+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/init/main.c b/init/main.c
+index 58c132d7de4b..008edceecf03 100644
+--- a/init/main.c
++++ b/init/main.c
+@@ -643,6 +643,7 @@ asmlinkage void __init start_kernel(void)
+
+ check_bugs();
+
++ acpi_subsystem_init();
+ sfi_init_late();
+
+ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
+diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
+index 1ef0606797c9..0296d6fd7d4e 100644
+--- a/kernel/irq/devres.c
++++ b/kernel/irq/devres.c
+@@ -104,7 +104,7 @@ int devm_request_any_context_irq(struct device *dev, unsigned int irq,
+ return -ENOMEM;
+
+ rc = request_any_context_irq(irq, handler, irqflags, devname, dev_id);
+- if (rc) {
++ if (rc < 0) {
+ devres_free(dr);
+ return rc;
+ }
+@@ -113,7 +113,7 @@ int devm_request_any_context_irq(struct device *dev, unsigned int irq,
+ dr->dev_id = dev_id;
+ devres_add(dev, dr);
+
+- return 0;
++ return rc;
+ }
+ EXPORT_SYMBOL(devm_request_any_context_irq);
+
+diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
+index 2fac9cc79b3d..9d1862866786 100644
+--- a/kernel/power/Kconfig
++++ b/kernel/power/Kconfig
+@@ -191,7 +191,7 @@ config DPM_WATCHDOG
+ config DPM_WATCHDOG_TIMEOUT
+ int "Watchdog timeout in seconds"
+ range 1 120
+- default 12
++ default 60
+ depends on DPM_WATCHDOG
+
+ config PM_TRACE
+diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
+index a755ad70fe8f..02e7fb4edb93 100644
+--- a/kernel/printk/printk.c
++++ b/kernel/printk/printk.c
+@@ -383,11 +383,11 @@ static int check_syslog_permissions(int type, bool from_file)
+ * already done the capabilities checks at open time.
+ */
+ if (from_file && type != SYSLOG_ACTION_OPEN)
+- return 0;
++ goto ok;
+
+ if (syslog_action_restricted(type)) {
+ if (capable(CAP_SYSLOG))
+- return 0;
++ goto ok;
+ /*
+ * For historical reasons, accept CAP_SYS_ADMIN too, with
+ * a warning.
+@@ -397,10 +397,11 @@ static int check_syslog_permissions(int type, bool from_file)
+ "CAP_SYS_ADMIN but no CAP_SYSLOG "
+ "(deprecated).\n",
+ current->comm, task_pid_nr(current));
+- return 0;
++ goto ok;
+ }
+ return -EPERM;
+ }
++ok:
+ return security_syslog(type);
+ }
+
+@@ -1126,10 +1127,6 @@ int do_syslog(int type, char __user *buf, int len, bool from_file)
+ if (error)
+ goto out;
+
+- error = security_syslog(type);
+- if (error)
+- return error;
+-
+ switch (type) {
+ case SYSLOG_ACTION_CLOSE: /* Close log */
+ break;
+diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
+index 1254f312d024..ae359f0302c4 100644
+--- a/kernel/rcu/tiny.c
++++ b/kernel/rcu/tiny.c
+@@ -284,6 +284,11 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
+
+ /* Move the ready-to-invoke callbacks to a local list. */
+ local_irq_save(flags);
++ if (rcp->donetail == &rcp->rcucblist) {
++ /* No callbacks ready, so just leave. */
++ local_irq_restore(flags);
++ return;
++ }
+ RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1));
+ list = rcp->rcucblist;
+ rcp->rcucblist = *rcp->donetail;
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
+index c8bd809cbd1c..c1be95c26046 100644
+--- a/kernel/trace/trace.h
++++ b/kernel/trace/trace.h
+@@ -422,6 +422,7 @@ 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 697fb9bac8f0..60850b4fcb04 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 cb347e85f75e..7b244d004d68 100644
+--- a/kernel/trace/trace_events_filter.c
++++ b/kernel/trace/trace_events_filter.c
+@@ -1086,6 +1086,9 @@ 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++];
+@@ -1101,6 +1104,9 @@ 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++;
+ }
+@@ -1413,7 +1419,9 @@ 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 9186550d77a6..08046f39f09c 100644
+--- a/net/9p/client.c
++++ b/net/9p/client.c
+@@ -839,7 +839,8 @@ 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 aade4a5c1c07..bde94d853b2b 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 c7a7a86afdb8..9e58c99e3bdc 100644
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -248,6 +248,7 @@ 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);
+@@ -256,6 +257,8 @@ static void ieee80211_restart_work(struct work_struct *work)
+ "%s called with hardware scan in progress\n", __func__);
+
+ 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 e860d4f7ed2a..ab219685336c 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/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
+index 7e71e066198f..048550aacffc 100644
+--- a/security/integrity/evm/evm_main.c
++++ b/security/integrity/evm/evm_main.c
+@@ -20,6 +20,7 @@
+ #include <linux/xattr.h>
+ #include <linux/integrity.h>
+ #include <linux/evm.h>
++#include <linux/magic.h>
+ #include <crypto/hash.h>
+ #include "evm.h"
+
+@@ -275,6 +276,17 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
+ iint = integrity_iint_find(dentry->d_inode);
+ if (iint && (iint->flags & IMA_NEW_FILE))
+ return 0;
++
++ /* exception for pseudo filesystems */
++ if (dentry->d_inode->i_sb->s_magic == TMPFS_MAGIC
++ || dentry->d_inode->i_sb->s_magic == SYSFS_MAGIC)
++ return 0;
++
++ integrity_audit_msg(AUDIT_INTEGRITY_METADATA,
++ dentry->d_inode, dentry->d_name.name,
++ "update_metadata",
++ integrity_status_msg[evm_status],
++ -EPERM, 0);
+ }
+ out:
+ if (evm_status != INTEGRITY_PASS)
+diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
+index f79fa8be203c..5cb7de9046fa 100644
+--- a/security/integrity/ima/ima.h
++++ b/security/integrity/ima/ima.h
+@@ -106,7 +106,7 @@ void ima_add_violation(struct file *file, const unsigned char *filename,
+ const char *op, const char *cause);
+ int ima_init_crypto(void);
+ void ima_putc(struct seq_file *m, void *data, int datalen);
+-void ima_print_digest(struct seq_file *m, u8 *digest, int size);
++void ima_print_digest(struct seq_file *m, u8 *digest, u32 size);
+ struct ima_template_desc *ima_template_desc_current(void);
+ int ima_init_template(void);
+
+diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
+index 468a3ba3c539..35f3c900f801 100644
+--- a/security/integrity/ima/ima_fs.c
++++ b/security/integrity/ima/ima_fs.c
+@@ -186,9 +186,9 @@ static const struct file_operations ima_measurements_ops = {
+ .release = seq_release,
+ };
+
+-void ima_print_digest(struct seq_file *m, u8 *digest, int size)
++void ima_print_digest(struct seq_file *m, u8 *digest, u32 size)
+ {
+- int i;
++ u32 i;
+
+ for (i = 0; i < size; i++)
+ seq_printf(m, "%02x", *(digest + i));
+diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c
+index e8592e7bfc21..dcf77b77d2fc 100644
+--- a/security/integrity/ima/ima_template_lib.c
++++ b/security/integrity/ima/ima_template_lib.c
+@@ -79,7 +79,8 @@ static void ima_show_template_data_ascii(struct seq_file *m,
+ enum data_formats datafmt,
+ struct ima_field_data *field_data)
+ {
+- u8 *buf_ptr = field_data->data, buflen = field_data->len;
++ u8 *buf_ptr = field_data->data;
++ u32 buflen = field_data->len;
+
+ switch (datafmt) {
+ case DATA_FMT_DIGEST_WITH_ALGO:
+diff --git a/security/keys/keyring.c b/security/keys/keyring.c
+index 2fb2576dc644..04d0d7c2ab0e 100644
+--- a/security/keys/keyring.c
++++ b/security/keys/keyring.c
+@@ -1151,9 +1151,11 @@ void __key_link_end(struct key *keyring,
+ if (index_key->type == &key_type_keyring)
+ up_write(&keyring_serialise_link_sem);
+
+- if (edit && !edit->dead_leaf) {
+- key_payload_reserve(keyring,
+- keyring->datalen - KEYQUOTA_LINK_BYTES);
++ if (edit) {
++ if (!edit->dead_leaf) {
++ key_payload_reserve(keyring,
++ keyring->datalen - KEYQUOTA_LINK_BYTES);
++ }
+ assoc_array_cancel_edit(edit);
+ }
+ up_write(&keyring->sem);
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index ba175226da78..2f503c0836a9 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -3955,6 +3955,7 @@ 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,
+@@ -3973,6 +3974,7 @@ enum {
+ ALC269_FIXUP_DELL3_MIC_NO_PRESENCE,
+ 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,
+@@ -4096,6 +4098,10 @@ 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[]) {
+@@ -4214,6 +4220,15 @@ 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[]) {
+@@ -4397,6 +4412,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC),
+ SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
+ 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),
+@@ -4549,6 +4566,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
+ SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
+ 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/wm5102.c b/sound/soc/codecs/wm5102.c
+index ce9c8e14d4bd..fbee45c82a44 100644
+--- a/sound/soc/codecs/wm5102.c
++++ b/sound/soc/codecs/wm5102.c
+@@ -41,7 +41,7 @@ struct wm5102_priv {
+ static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
+ static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
+ static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
+-static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
++static DECLARE_TLV_DB_SCALE(noise_tlv, -13200, 600, 0);
+ static DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
+
+ static const struct wm_adsp_region wm5102_dsp1_regions[] = {
+diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
+index 2c3c962d9a85..0fce853bda44 100644
+--- a/sound/soc/codecs/wm5110.c
++++ b/sound/soc/codecs/wm5110.c
+@@ -167,7 +167,7 @@ static int wm5110_sysclk_ev(struct snd_soc_dapm_widget *w,
+ static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
+ static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
+ static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
+-static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
++static DECLARE_TLV_DB_SCALE(noise_tlv, -13200, 600, 0);
+ static DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
+
+ #define WM5110_NG_SRC(name, base) \
+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 edfd4edaa864..e04dbaa1de8f 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),
+
+diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c
+index 555115ee2159..1461ae611f31 100644
+--- a/sound/soc/codecs/wm8997.c
++++ b/sound/soc/codecs/wm8997.c
+@@ -40,7 +40,7 @@ struct wm8997_priv {
+ static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
+ static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
+ static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
+-static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
++static DECLARE_TLV_DB_SCALE(noise_tlv, -13200, 600, 0);
+ static DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
+
+ static const struct reg_default wm8997_sysclk_reva_patch[] = {
+diff --git a/sound/soc/fsl/imx-wm8962.c b/sound/soc/fsl/imx-wm8962.c
+index 3a3d17ce6ba4..664452599497 100644
+--- a/sound/soc/fsl/imx-wm8962.c
++++ b/sound/soc/fsl/imx-wm8962.c
+@@ -190,7 +190,7 @@ static int imx_wm8962_probe(struct platform_device *pdev)
+ dev_err(&pdev->dev, "audmux internal port setup failed\n");
+ return ret;
+ }
+- imx_audmux_v2_configure_port(ext_port,
++ ret = imx_audmux_v2_configure_port(ext_port,
+ IMX_AUDMUX_V2_PTCR_SYN,
+ IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
+ if (ret) {