108 files changed, 1214 insertions, 742 deletions

diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index 7514dbf0a679..c36892c072da 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -227,7 +227,7 @@ X!Isound/sound_firmware.c
   <chapter id="uart16x50">
      <title>16x50 UART Driver</title>
 !Edrivers/tty/serial/serial_core.c
-!Edrivers/tty/serial/8250/8250.c
+!Edrivers/tty/serial/8250/8250_core.c
   </chapter>
 
   <chapter id="fbdev">
diff --git a/MAINTAINERS b/MAINTAINERS
index 836a6183c37f..61708c6a8bed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4941,6 +4941,12 @@ W:	logfs.org
 S:      Maintained
 F:      fs/logfs/
 
+LPC32XX MACHINE SUPPORT
+M:      Roland Stigge <stigge@antcom.de>
+L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:      Maintained
+F:      arch/arm/mach-lpc32xx/
+
 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
 M:      Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
 M:      Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
@@ -6951,7 +6957,6 @@ F:	drivers/scsi/st*
 
 SCTP PROTOCOL
 M:      Vlad Yasevich <vyasevich@gmail.com>
-M:      Sridhar Samudrala <sri@us.ibm.com>
 M:      Neil Horman <nhorman@tuxdriver.com>
 L:      linux-sctp@vger.kernel.org
 W:      http://lksctp.sourceforge.net
diff --git a/arch/arc/include/asm/irqflags.h b/arch/arc/include/asm/irqflags.h
index ccd84806b62f..eac071668201 100644
--- a/arch/arc/include/asm/irqflags.h
+++ b/arch/arc/include/asm/irqflags.h
@@ -39,7 +39,7 @@ static inline long arch_local_irq_save(void)
         "       flag.nz %0              \n"
         : "=r"(temp), "=r"(flags)
         : "n"((STATUS_E1_MASK | STATUS_E2_MASK))
-        : "cc");
+        : "memory", "cc");
 
         return flags;
 }
@@ -53,7 +53,8 @@ static inline void arch_local_irq_restore(unsigned long flags)
         __asm__ __volatile__(
         "       flag %0                 \n"
         :
-        : "r"(flags));
+        : "r"(flags)
+        : "memory");
 }
 
 /*
@@ -73,7 +74,8 @@ static inline void arch_local_irq_disable(void)
         "       and %0, %0, %1          \n"
         "       flag %0                 \n"
         : "=&r"(temp)
-        : "n"(~(STATUS_E1_MASK | STATUS_E2_MASK)));
+        : "n"(~(STATUS_E1_MASK | STATUS_E2_MASK))
+        : "memory");
 }
 
 /*
@@ -85,7 +87,9 @@ static inline long arch_local_save_flags(void)
 
         __asm__ __volatile__(
         "       lr  %0, [status32]      \n"
-        : "=&r"(temp));
+        : "=&r"(temp)
+        :
+        : "memory");
 
         return temp;
 }
diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts
index 6ce3d17c3a29..fd36e1cca104 100644
--- a/arch/arm/boot/dts/imx28-m28evk.dts
+++ b/arch/arm/boot/dts/imx28-m28evk.dts
@@ -152,7 +152,6 @@
                         i2c0: i2c@80058000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&i2c0_pins_a>;
-                                clock-frequency = <400000>;
                                 status = "okay";
 
                                 sgtl5000: codec@0a {
diff --git a/arch/arm/boot/dts/imx28-sps1.dts b/arch/arm/boot/dts/imx28-sps1.dts
index e6cde8aa7fff..6c6a5442800a 100644
--- a/arch/arm/boot/dts/imx28-sps1.dts
+++ b/arch/arm/boot/dts/imx28-sps1.dts
@@ -70,7 +70,6 @@
                         i2c0: i2c@80058000 {
                                 pinctrl-names = "default";
                                 pinctrl-0 = <&i2c0_pins_a>;
-                                clock-frequency = <400000>;
                                 status = "okay";
 
                                 rtc: rtc@51 {
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 06ec460b4581..281a223591ff 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -91,6 +91,7 @@
                         compatible = "arm,cortex-a9-twd-timer";
                         reg = <0x00a00600 0x20>;
                         interrupts = <1 13 0xf01>;
+                        clocks = <&clks 15>;
                 };
 
                 L2: l2-cache@00a02000 {
diff --git a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
index 93c3afbef9ee..3694e94f6e99 100644
--- a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
+++ b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts
@@ -96,11 +96,11 @@
                                 marvell,function = "gpio";
                         };
                         pmx_led_rebuild_brt_ctrl_1: pmx-led-rebuild-brt-ctrl-1 {
-                                marvell,pins = "mpp44";
+                                marvell,pins = "mpp46";
                                 marvell,function = "gpio";
                         };
                         pmx_led_rebuild_brt_ctrl_2: pmx-led-rebuild-brt-ctrl-2 {
-                                marvell,pins = "mpp45";
+                                marvell,pins = "mpp47";
                                 marvell,function = "gpio";
                         };
 
@@ -157,14 +157,14 @@
                         gpios = <&gpio0 16 0>;
                         linux,default-trigger = "default-on";
                 };
-                health_led1 {
+                rebuild_led {
+                        label = "status:white:rebuild_led";
+                        gpios = <&gpio1 4 0>;
+                };
+                health_led {
                         label = "status:red:health_led";
                         gpios = <&gpio1 5 0>;
                 };
-                health_led2 {
-                        label = "status:white:health_led";
-                        gpios = <&gpio1 4 0>;
-                };
                 backup_led {
                         label = "status:blue:backup_led";
                         gpios = <&gpio0 15 0>;
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index e13a8fa5e62c..2193c834f55c 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -257,6 +257,7 @@ int __init mx35_clocks_init(void)
         clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
         clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
         clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
+        clk_register_clkdev(clk[admux_gate], "audmux", NULL);
 
         clk_prepare_enable(clk[spba_gate]);
         clk_prepare_enable(clk[gpio1_gate]);
@@ -265,6 +266,7 @@ int __init mx35_clocks_init(void)
         clk_prepare_enable(clk[iim_gate]);
         clk_prepare_enable(clk[emi_gate]);
         clk_prepare_enable(clk[max_gate]);
+        clk_prepare_enable(clk[iomuxc_gate]);
 
         /*
          * SCC is needed to boot via mmc after a watchdog reset. The clock code
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 2f9ff93a4e61..d38e54f5b6d7 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -115,7 +115,7 @@ static const char *gpu2d_core_sels[]	= { "axi", "pll3_usb_otg", "pll2_pfd0_352m"
 static const char *gpu3d_core_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
 static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
 static const char *ipu_sels[]           = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
-static const char *ldb_di_sels[]        = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_pfd1_540m", };
+static const char *ldb_di_sels[]        = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
 static const char *ipu_di_pre_sels[]    = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
 static const char *ipu1_di0_sels[]      = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
 static const char *ipu1_di1_sels[]      = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
@@ -443,7 +443,6 @@ int __init mx6q_clocks_init(void)
 
         clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
         clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
-        clk_register_clkdev(clk[twd], NULL, "smp_twd");
         clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
         clk_register_clkdev(clk[ahb], "ahb", NULL);
         clk_register_clkdev(clk[cko1], "cko1", NULL);
diff --git a/arch/arm/mach-kirkwood/board-iomega_ix2_200.c b/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
index f655b2637b0e..e5f70415905a 100644
--- a/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
+++ b/arch/arm/mach-kirkwood/board-iomega_ix2_200.c
@@ -20,10 +20,15 @@ static struct mv643xx_eth_platform_data iomega_ix2_200_ge00_data = {
         .duplex         = DUPLEX_FULL,
 };
 
+static struct mv643xx_eth_platform_data iomega_ix2_200_ge01_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(11),
+};
+
 void __init iomega_ix2_200_init(void)
 {
         /*
          * Basic setup. Needs to be called early.
          */
-        kirkwood_ge01_init(&iomega_ix2_200_ge00_data);
+        kirkwood_ge00_init(&iomega_ix2_200_ge00_data);
+        kirkwood_ge01_init(&iomega_ix2_200_ge01_data);
 }
diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/arch/arm/mach-mvebu/irq-armada-370-xp.c
index 6a9195e10579..d5970f5a1e8d 100644
--- a/arch/arm/mach-mvebu/irq-armada-370-xp.c
+++ b/arch/arm/mach-mvebu/irq-armada-370-xp.c
@@ -61,7 +61,6 @@ static struct irq_domain *armada_370_xp_mpic_domain;
  */
 static void armada_370_xp_irq_mask(struct irq_data *d)
 {
-#ifdef CONFIG_SMP
         irq_hw_number_t hwirq = irqd_to_hwirq(d);
 
         if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
@@ -70,15 +69,10 @@ static void armada_370_xp_irq_mask(struct irq_data *d)
         else
                 writel(hwirq, per_cpu_int_base +
                                 ARMADA_370_XP_INT_SET_MASK_OFFS);
-#else
-        writel(irqd_to_hwirq(d),
-               per_cpu_int_base + ARMADA_370_XP_INT_SET_MASK_OFFS);
-#endif
 }
 
 static void armada_370_xp_irq_unmask(struct irq_data *d)
 {
-#ifdef CONFIG_SMP
         irq_hw_number_t hwirq = irqd_to_hwirq(d);
 
         if (hwirq != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
@@ -87,10 +81,6 @@ static void armada_370_xp_irq_unmask(struct irq_data *d)
         else
                 writel(hwirq, per_cpu_int_base +
                                 ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
-#else
-        writel(irqd_to_hwirq(d),
-               per_cpu_int_base + ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
-#endif
 }
 
 #ifdef CONFIG_SMP
@@ -146,7 +136,11 @@ static int armada_370_xp_mpic_irq_map(struct irq_domain *h,
                                       unsigned int virq, irq_hw_number_t hw)
 {
         armada_370_xp_irq_mask(irq_get_irq_data(virq));
-        writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
+        if (hw != ARMADA_370_XP_TIMER0_PER_CPU_IRQ)
+                writel(hw, per_cpu_int_base +
+                        ARMADA_370_XP_INT_CLEAR_MASK_OFFS);
+        else
+                writel(hw, main_int_base + ARMADA_370_XP_INT_SET_ENABLE_OFFS);
         irq_set_status_flags(virq, IRQ_LEVEL);
 
         if (hw == ARMADA_370_XP_TIMER0_PER_CPU_IRQ) {
diff --git a/arch/arm/mach-s3c24xx/include/mach/irqs.h b/arch/arm/mach-s3c24xx/include/mach/irqs.h
index b7a9f4d469e8..1e73f5fa8659 100644
--- a/arch/arm/mach-s3c24xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c24xx/include/mach/irqs.h
@@ -188,10 +188,8 @@
 
 #if defined(CONFIG_CPU_S3C2416)
 #define NR_IRQS (IRQ_S3C2416_I2S1 + 1)
-#elif defined(CONFIG_CPU_S3C2443)
-#define NR_IRQS (IRQ_S3C2443_AC97+1)
 #else
-#define NR_IRQS (IRQ_S3C2440_AC97+1)
+#define NR_IRQS (IRQ_S3C2443_AC97 + 1)
 #endif
 
 /* compatibility define. */
diff --git a/arch/arm/mach-s3c24xx/irq.c b/arch/arm/mach-s3c24xx/irq.c
index cb9f5e011e73..d8ba9bee4c7e 100644
--- a/arch/arm/mach-s3c24xx/irq.c
+++ b/arch/arm/mach-s3c24xx/irq.c
@@ -500,7 +500,7 @@ struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np,
                 base = (void *)0xfd000000;
 
                 intc->reg_mask = base + 0xa4;
-                intc->reg_pending = base + 0x08;
+                intc->reg_pending = base + 0xa8;
                 irq_num = 20;
                 irq_start = S3C2410_IRQ(32);
                 irq_offset = 4;
diff --git a/arch/c6x/include/asm/irqflags.h b/arch/c6x/include/asm/irqflags.h
index cf78e09e18c3..2c71d5634ec2 100644
--- a/arch/c6x/include/asm/irqflags.h
+++ b/arch/c6x/include/asm/irqflags.h
@@ -27,7 +27,7 @@ static inline unsigned long arch_local_save_flags(void)
 /* set interrupt enabled status */
 static inline void arch_local_irq_restore(unsigned long flags)
 {
-        asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags));
+        asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory");
 }
 
 /* unconditionally enable interrupts */
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 77597e5ea60a..79521d5499f9 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -849,17 +849,6 @@ static palinfo_entry_t palinfo_entries[]={
 
 #define NR_PALINFO_ENTRIES      (int) ARRAY_SIZE(palinfo_entries)
 
-/*
- * this array is used to keep track of the proc entries we create. This is
- * required in the module mode when we need to remove all entries. The procfs code
- * does not do recursion of deletion
- *
- * Notes:
- *      - +1 accounts for the cpuN directory entry in /proc/pal
- */
-#define NR_PALINFO_PROC_ENTRIES (NR_CPUS*(NR_PALINFO_ENTRIES+1))
-
-static struct proc_dir_entry *palinfo_proc_entries[NR_PALINFO_PROC_ENTRIES];
 static struct proc_dir_entry *palinfo_dir;
 
 /*
@@ -971,60 +960,32 @@ palinfo_read_entry(char *page, char **start, off_t off, int count, int *eof, voi
 static void __cpuinit
 create_palinfo_proc_entries(unsigned int cpu)
 {
-#       define CPUSTR   "cpu%d"
-
         pal_func_cpu_u_t f;
-        struct proc_dir_entry **pdir;
         struct proc_dir_entry *cpu_dir;
         int j;
-        char cpustr[sizeof(CPUSTR)];
-
-
-        /*
-         * we keep track of created entries in a depth-first order for
-         * cleanup purposes. Each entry is stored into palinfo_proc_entries
-         */
-        sprintf(cpustr,CPUSTR, cpu);
+        char cpustr[3+4+1];     /* cpu numbers are up to 4095 on itanic */
+        sprintf(cpustr, "cpu%d", cpu);
 
         cpu_dir = proc_mkdir(cpustr, palinfo_dir);
+        if (!cpu_dir)
+                return;
 
         f.req_cpu = cpu;
 
-        /*
-         * Compute the location to store per cpu entries
-         * We dont store the top level entry in this list, but
-         * remove it finally after removing all cpu entries.
-         */
-        pdir = &palinfo_proc_entries[cpu*(NR_PALINFO_ENTRIES+1)];
-        *pdir++ = cpu_dir;
         for (j=0; j < NR_PALINFO_ENTRIES; j++) {
                 f.func_id = j;
-                *pdir = create_proc_read_entry(
-                                palinfo_entries[j].name, 0, cpu_dir,
-                                palinfo_read_entry, (void *)f.value);
-                pdir++;
+                create_proc_read_entry(
+                        palinfo_entries[j].name, 0, cpu_dir,
+                        palinfo_read_entry, (void *)f.value);
         }
 }
 
 static void
 remove_palinfo_proc_entries(unsigned int hcpu)
 {
-        int j;
-        struct proc_dir_entry *cpu_dir, **pdir;
-
-        pdir = &palinfo_proc_entries[hcpu*(NR_PALINFO_ENTRIES+1)];
-        cpu_dir = *pdir;
-        *pdir++=NULL;
-        for (j=0; j < (NR_PALINFO_ENTRIES); j++) {
-                if ((*pdir)) {
-                        remove_proc_entry ((*pdir)->name, cpu_dir);
-                        *pdir ++= NULL;
-                }
-        }
-
-        if (cpu_dir) {
-                remove_proc_entry(cpu_dir->name, palinfo_dir);
-        }
+        char cpustr[3+4+1];     /* cpu numbers are up to 4095 on itanic */
+        sprintf(cpustr, "cpu%d", hcpu);
+        remove_proc_subtree(cpustr, palinfo_dir);
 }
 
 static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
@@ -1058,6 +1019,8 @@ palinfo_init(void)
 
         printk(KERN_INFO "PAL Information Facility v%s\n", PALINFO_VERSION);
         palinfo_dir = proc_mkdir("pal", NULL);
+        if (!palinfo_dir)
+                return -ENOMEM;
 
         /* Create palinfo dirs in /proc for all online cpus */
         for_each_online_cpu(i) {
@@ -1073,22 +1036,8 @@ palinfo_init(void)
 static void __exit
 palinfo_exit(void)
 {
-        int i = 0;
-
-        /* remove all nodes: depth first pass. Could optimize this  */
-        for_each_online_cpu(i) {
-                remove_palinfo_proc_entries(i);
-        }
-
-        /*
-         * Remove the top level entry finally
-         */
-        remove_proc_entry(palinfo_dir->name, NULL);
-
-        /*
-         * Unregister from cpu notifier callbacks
-         */
         unregister_hotcpu_notifier(&palinfo_cpu_notifier);
+        remove_proc_subtree("pal", NULL);
 }
 
 module_init(palinfo_init);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 0da39fed355a..299731e9036b 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -186,7 +186,13 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group)
                                            (0x1UL << 4), &dummy1, &dummy2);
                 if (lpar_rc == H_SUCCESS)
                         return i;
-                BUG_ON(lpar_rc != H_NOT_FOUND);
+
+                /*
+                 * The test for adjunct partition is performed before the
+                 * ANDCOND test.  H_RESOURCE may be returned, so we need to
+                 * check for that as well.
+                 */
+                BUG_ON(lpar_rc != H_NOT_FOUND && lpar_rc != H_RESOURCE);
 
                 slot_offset++;
                 slot_offset &= 0x7;
diff --git a/arch/tile/include/asm/irqflags.h b/arch/tile/include/asm/irqflags.h
index 241c0bb60b12..c96f9bbb760d 100644
--- a/arch/tile/include/asm/irqflags.h
+++ b/arch/tile/include/asm/irqflags.h
@@ -40,7 +40,15 @@
 #include <asm/percpu.h>
 #include <arch/spr_def.h>
 
-/* Set and clear kernel interrupt masks. */
+/*
+ * Set and clear kernel interrupt masks.
+ *
+ * NOTE: __insn_mtspr() is a compiler builtin marked as a memory
+ * clobber.  We rely on it being equivalent to a compiler barrier in
+ * this code since arch_local_irq_save() and friends must act as
+ * compiler barriers.  This compiler semantic is baked into enough
+ * places that the compiler will maintain it going forward.
+ */
 #if CHIP_HAS_SPLIT_INTR_MASK()
 #if INT_PERF_COUNT < 32 || INT_AUX_PERF_COUNT < 32 || INT_MEM_ERROR >= 32
 # error Fix assumptions about which word various interrupts are in
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 6afbb2ca9a0a..a4ea92477e01 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1748,14 +1748,18 @@ static void *m2v(phys_addr_t maddr)
 }
 
 /* Set the page permissions on an identity-mapped pages */
-static void set_page_prot(void *addr, pgprot_t prot)
+static void set_page_prot_flags(void *addr, pgprot_t prot, unsigned long flags)
 {
         unsigned long pfn = __pa(addr) >> PAGE_SHIFT;
         pte_t pte = pfn_pte(pfn, prot);
 
-        if (HYPERVISOR_update_va_mapping((unsigned long)addr, pte, 0))
+        if (HYPERVISOR_update_va_mapping((unsigned long)addr, pte, flags))
                 BUG();
 }
+static void set_page_prot(void *addr, pgprot_t prot)
+{
+        return set_page_prot_flags(addr, prot, UVMF_NONE);
+}
 #ifdef CONFIG_X86_32
 static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn)
 {
@@ -1839,12 +1843,12 @@ static void __init check_pt_base(unsigned long *pt_base, unsigned long *pt_end,
                                  unsigned long addr)
 {
         if (*pt_base == PFN_DOWN(__pa(addr))) {
-                set_page_prot((void *)addr, PAGE_KERNEL);
+                set_page_prot_flags((void *)addr, PAGE_KERNEL, UVMF_INVLPG);
                 clear_page((void *)addr);
                 (*pt_base)++;
         }
         if (*pt_end == PFN_DOWN(__pa(addr))) {
-                set_page_prot((void *)addr, PAGE_KERNEL);
+                set_page_prot_flags((void *)addr, PAGE_KERNEL, UVMF_INVLPG);
                 clear_page((void *)addr);
                 (*pt_end)--;
         }
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 6206a934eb8c..5efc5a647183 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -229,6 +229,8 @@ queue_store_##name(struct request_queue *q, const char *page, size_t count) \
         unsigned long val;                                              \
         ssize_t ret;                                                    \
         ret = queue_var_store(&val, page, count);                       \
+        if (ret < 0)                                                    \
+                 return ret;                                            \
         if (neg)                                                        \
                 val = !val;                                             \
                                                                         \
diff --git a/block/partition-generic.c b/block/partition-generic.c
index ae95ee6a58aa..789cdea05893 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -257,7 +257,6 @@ void delete_partition(struct gendisk *disk, int partno)
 
         hd_struct_put(part);
 }
-EXPORT_SYMBOL(delete_partition);
 
 static ssize_t whole_disk_show(struct device *dev,
                                struct device_attribute *attr, char *buf)
diff --git a/crypto/gcm.c b/crypto/gcm.c
index 137ad1ec5438..13ccbda34ff9 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -44,6 +44,7 @@ struct crypto_rfc4543_ctx {
 
 struct crypto_rfc4543_req_ctx {
         u8 auth_tag[16];
+        u8 assocbuf[32];
         struct scatterlist cipher[1];
         struct scatterlist payload[2];
         struct scatterlist assoc[2];
@@ -1133,9 +1134,19 @@ static struct aead_request *crypto_rfc4543_crypt(struct aead_request *req,
         scatterwalk_crypto_chain(payload, dst, vdst == req->iv + 8, 2);
         assoclen += 8 + req->cryptlen - (enc ? 0 : authsize);
 
-        sg_init_table(assoc, 2);
-        sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
-                    req->assoc->offset);
+        if (req->assoc->length == req->assoclen) {
+                sg_init_table(assoc, 2);
+                sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
+                            req->assoc->offset);
+        } else {
+                BUG_ON(req->assoclen > sizeof(rctx->assocbuf));
+
+                scatterwalk_map_and_copy(rctx->assocbuf, req->assoc, 0,
+                                         req->assoclen, 0);
+
+                sg_init_table(assoc, 2);
+                sg_set_buf(assoc, rctx->assocbuf, req->assoclen);
+        }
         scatterwalk_crypto_chain(assoc, payload, 0, 2);
 
         aead_request_set_tfm(subreq, ctx->child);
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ffdd32d22602..2f48123d74c4 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -150,6 +150,7 @@ enum piix_controller_ids {
         tolapai_sata,
         piix_pata_vmw,                  /* PIIX4 for VMware, spurious DMA_ERR */
         ich8_sata_snb,
+        ich8_2port_sata_snb,
 };
 
 struct piix_map_db {
@@ -304,7 +305,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
         /* SATA Controller IDE (Lynx Point) */
         { 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
         /* SATA Controller IDE (Lynx Point) */
-        { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+        { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
         /* SATA Controller IDE (Lynx Point) */
         { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
         /* SATA Controller IDE (Lynx Point-LP) */
@@ -439,6 +440,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
         [ich8m_apple_sata]      = &ich8m_apple_map_db,
         [tolapai_sata]          = &tolapai_map_db,
         [ich8_sata_snb]         = &ich8_map_db,
+        [ich8_2port_sata_snb]   = &ich8_2port_map_db,
 };
 
 static struct pci_bits piix_enable_bits[] = {
@@ -1242,6 +1244,16 @@ static struct ata_port_info piix_port_info[] = {
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &piix_sata_ops,
         },
+
+        [ich8_2port_sata_snb] =
+        {
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR
+                                        | PIIX_FLAG_PIO16,
+                .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
+                .port_ops       = &piix_sata_ops,
+        },
 };
 
 #define AHCI_PCI_BAR 5
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 497adea1f0d6..63c743baf920 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2329,7 +2329,7 @@ int ata_dev_configure(struct ata_device *dev)
                  * from SATA Settings page of Identify Device Data Log.
                  */
                 if (ata_id_has_devslp(dev->id)) {
-                        u8 sata_setting[ATA_SECT_SIZE];
+                        u8 *sata_setting = ap->sector_buf;
                         int i, j;
 
                         dev->flags |= ATA_DFLAG_DEVSLP;
@@ -2439,6 +2439,9 @@ int ata_dev_configure(struct ata_device *dev)
                 dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
                                          dev->max_sectors);
 
+        if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48)
+                dev->max_sectors = ATA_MAX_SECTORS_LBA48;
+
         if (ap->ops->dev_config)
                 ap->ops->dev_config(dev);
 
@@ -4100,6 +4103,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
         /* Weird ATAPI devices */
         { "TORiSAN DVD-ROM DRD-N216", NULL,     ATA_HORKAGE_MAX_SEC_128 },
         { "QUANTUM DAT    DAT72-000", NULL,     ATA_HORKAGE_ATAPI_MOD16_DMA },
+        { "Slimtype DVD A  DS8A8SH", NULL,      ATA_HORKAGE_MAX_SEC_LBA48 },
 
         /* Devices we expect to fail diagnostics */
 
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 318b41358187..ff44787e5a45 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
                         struct scsi_sense_hdr sshdr;
                         scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
                                              &sshdr);
-                        if (sshdr.sense_key == 0 &&
-                            sshdr.asc == 0 && sshdr.ascq == 0)
+                        if (sshdr.sense_key == RECOVERED_ERROR &&
+                            sshdr.asc == 0 && sshdr.ascq == 0x1d)
                                 cmd_result &= ~SAM_STAT_CHECK_CONDITION;
                 }
 
@@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
                         struct scsi_sense_hdr sshdr;
                         scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
                                                 &sshdr);
-                        if (sshdr.sense_key == 0 &&
-                                sshdr.asc == 0 && sshdr.ascq == 0)
+                        if (sshdr.sense_key == RECOVERED_ERROR &&
+                            sshdr.asc == 0 && sshdr.ascq == 0x1d)
                                 cmd_result &= ~SAM_STAT_CHECK_CONDITION;
                 }
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 2c127f9c3f3b..dfe758382eaf 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1051,29 +1051,12 @@ static int loop_clr_fd(struct loop_device *lo)
         lo->lo_state = Lo_unbound;
         /* This is safe: open() is still holding a reference. */
         module_put(THIS_MODULE);
+        if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev)
+                ioctl_by_bdev(bdev, BLKRRPART, 0);
         lo->lo_flags = 0;
         if (!part_shift)
                 lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN;
         mutex_unlock(&lo->lo_ctl_mutex);
-
-        /*
-         * Remove all partitions, since BLKRRPART won't remove user
-         * added partitions when max_part=0
-         */
-        if (bdev) {
-                struct disk_part_iter piter;
-                struct hd_struct *part;
-
-                mutex_lock_nested(&bdev->bd_mutex, 1);
-                invalidate_partition(bdev->bd_disk, 0);
-                disk_part_iter_init(&piter, bdev->bd_disk,
-                                        DISK_PITER_INCL_EMPTY);
-                while ((part = disk_part_iter_next(&piter)))
-                        delete_partition(bdev->bd_disk, part->partno);
-                disk_part_iter_exit(&piter);
-                mutex_unlock(&bdev->bd_mutex);
-        }
-
         /*
          * Need not hold lo_ctl_mutex to fput backing file.
          * Calling fput holding lo_ctl_mutex triggers a circular
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 92250af84e7d..32c678028e53 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -81,12 +81,17 @@
 /* Device instance number, incremented each time a device is probed. */
 static int instance;
 
+struct list_head online_list;
+struct list_head removing_list;
+spinlock_t dev_lock;
+
 /*
  * Global variable used to hold the major block device number
  * allocated in mtip_init().
  */
 static int mtip_major;
 static struct dentry *dfs_parent;
+static struct dentry *dfs_device_status;
 
 static u32 cpu_use[NR_CPUS];
 
@@ -243,40 +248,31 @@ static inline void release_slot(struct mtip_port *port, int tag)
 /*
  * Reset the HBA (without sleeping)
  *
- * Just like hba_reset, except does not call sleep, so can be
- * run from interrupt/tasklet context.
- *
  * @dd Pointer to the driver data structure.
  *
  * return value
  *      0       The reset was successful.
  *      -1      The HBA Reset bit did not clear.
  */
-static int hba_reset_nosleep(struct driver_data *dd)
+static int mtip_hba_reset(struct driver_data *dd)
 {
         unsigned long timeout;
 
-        /* Chip quirk: quiesce any chip function */
-        mdelay(10);
-
         /* Set the reset bit */
         writel(HOST_RESET, dd->mmio + HOST_CTL);
 
         /* Flush */
         readl(dd->mmio + HOST_CTL);
 
-        /*
-         * Wait 10ms then spin for up to 1 second
-         * waiting for reset acknowledgement
-         */
-        timeout = jiffies + msecs_to_jiffies(1000);
-        mdelay(10);
-        while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
-                 && time_before(jiffies, timeout))
-                mdelay(1);
+        /* Spin for up to 2 seconds, waiting for reset acknowledgement */
+        timeout = jiffies + msecs_to_jiffies(2000);
+        do {
+                mdelay(10);
+                if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
+                        return -1;
 
-        if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
-                return -1;
+        } while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
+                 && time_before(jiffies, timeout));
 
         if (readl(dd->mmio + HOST_CTL) & HOST_RESET)
                 return -1;
@@ -481,7 +477,7 @@ static void mtip_restart_port(struct mtip_port *port)
                 dev_warn(&port->dd->pdev->dev,
                         "PxCMD.CR not clear, escalating reset\n");
 
-                if (hba_reset_nosleep(port->dd))
+                if (mtip_hba_reset(port->dd))
                         dev_err(&port->dd->pdev->dev,
                                 "HBA reset escalation failed.\n");
 
@@ -527,6 +523,26 @@ static void mtip_restart_port(struct mtip_port *port)
 
 }
 
+static int mtip_device_reset(struct driver_data *dd)
+{
+        int rv = 0;
+
+        if (mtip_check_surprise_removal(dd->pdev))
+                return 0;
+
+        if (mtip_hba_reset(dd) < 0)
+                rv = -EFAULT;
+
+        mdelay(1);
+        mtip_init_port(dd->port);
+        mtip_start_port(dd->port);
+
+        /* Enable interrupts on the HBA. */
+        writel(readl(dd->mmio + HOST_CTL) | HOST_IRQ_EN,
+                                        dd->mmio + HOST_CTL);
+        return rv;
+}
+
 /*
  * Helper function for tag logging
  */
@@ -632,7 +648,7 @@ static void mtip_timeout_function(unsigned long int data)
         if (cmdto_cnt) {
                 print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
                 if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
-                        mtip_restart_port(port);
+                        mtip_device_reset(port->dd);
                         wake_up_interruptible(&port->svc_wait);
                 }
                 clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
@@ -1283,11 +1299,11 @@ static int mtip_exec_internal_command(struct mtip_port *port,
         int rv = 0, ready2go = 1;
         struct mtip_cmd *int_cmd = &port->commands[MTIP_TAG_INTERNAL];
         unsigned long to;
+        struct driver_data *dd = port->dd;
 
         /* Make sure the buffer is 8 byte aligned. This is asic specific. */
         if (buffer & 0x00000007) {
-                dev_err(&port->dd->pdev->dev,
-                        "SG buffer is not 8 byte aligned\n");
+                dev_err(&dd->pdev->dev, "SG buffer is not 8 byte aligned\n");
                 return -EFAULT;
         }
 
@@ -1300,23 +1316,21 @@ static int mtip_exec_internal_command(struct mtip_port *port,
                 mdelay(100);
         } while (time_before(jiffies, to));
         if (!ready2go) {
-                dev_warn(&port->dd->pdev->dev,
+                dev_warn(&dd->pdev->dev,
                         "Internal cmd active. new cmd [%02X]\n", fis->command);
                 return -EBUSY;
         }
         set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
         port->ic_pause_timer = 0;
 
-        if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
-                clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
-        else if (fis->command == ATA_CMD_DOWNLOAD_MICRO)
-                clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
+        clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+        clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
 
         if (atomic == GFP_KERNEL) {
                 if (fis->command != ATA_CMD_STANDBYNOW1) {
                         /* wait for io to complete if non atomic */
                         if (mtip_quiesce_io(port, 5000) < 0) {
-                                dev_warn(&port->dd->pdev->dev,
+                                dev_warn(&dd->pdev->dev,
                                         "Failed to quiesce IO\n");
                                 release_slot(port, MTIP_TAG_INTERNAL);
                                 clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
@@ -1361,58 +1375,84 @@ static int mtip_exec_internal_command(struct mtip_port *port,
         /* Issue the command to the hardware */
         mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);
 
-        /* Poll if atomic, wait_for_completion otherwise */
         if (atomic == GFP_KERNEL) {
                 /* Wait for the command to complete or timeout. */
-                if (wait_for_completion_timeout(
+                if (wait_for_completion_interruptible_timeout(
                                 &wait,
-                                msecs_to_jiffies(timeout)) == 0) {
-                        dev_err(&port->dd->pdev->dev,
-                                "Internal command did not complete [%d] "
-                                "within timeout of  %lu ms\n",
-                                atomic, timeout);
-                        if (mtip_check_surprise_removal(port->dd->pdev) ||
+                                msecs_to_jiffies(timeout)) <= 0) {
+                        if (rv == -ERESTARTSYS) { /* interrupted */
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] was interrupted after %lu ms\n",
+                                        fis->command, timeout);
+                                rv = -EINTR;
+                                goto exec_ic_exit;
+                        } else if (rv == 0) /* timeout */
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command did not complete [%02X] within timeout of  %lu ms\n",
+                                        fis->command, timeout);
+                        else
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] wait returned code [%d] after %lu ms - unhandled\n",
+                                        fis->command, rv, timeout);
+
+                        if (mtip_check_surprise_removal(dd->pdev) ||
                                 test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                                &port->dd->dd_flag)) {
+                                                &dd->dd_flag)) {
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] wait returned due to SR\n",
+                                        fis->command);
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
+                        mtip_device_reset(dd); /* recover from timeout issue */
                         rv = -EAGAIN;
+                        goto exec_ic_exit;
                 }
         } else {
+                u32 hba_stat, port_stat;
+
                 /* Spin for <timeout> checking if command still outstanding */
                 timeout = jiffies + msecs_to_jiffies(timeout);
                 while ((readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                                 & (1 << MTIP_TAG_INTERNAL))
                                 && time_before(jiffies, timeout)) {
-                        if (mtip_check_surprise_removal(port->dd->pdev)) {
+                        if (mtip_check_surprise_removal(dd->pdev)) {
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
                         if ((fis->command != ATA_CMD_STANDBYNOW1) &&
                                 test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                                &port->dd->dd_flag)) {
+                                                &dd->dd_flag)) {
                                 rv = -ENXIO;
                                 goto exec_ic_exit;
                         }
-                        if (readl(port->mmio + PORT_IRQ_STAT) & PORT_IRQ_ERR) {
-                                atomic_inc(&int_cmd->active); /* error */
-                                break;
+                        port_stat = readl(port->mmio + PORT_IRQ_STAT);
+                        if (!port_stat)
+                                continue;
+
+                        if (port_stat & PORT_IRQ_ERR) {
+                                dev_err(&dd->pdev->dev,
+                                        "Internal command [%02X] failed\n",
+                                        fis->command);
+                                mtip_device_reset(dd);
+                                rv = -EIO;
+                                goto exec_ic_exit;
+                        } else {
+                                writel(port_stat, port->mmio + PORT_IRQ_STAT);
+                                hba_stat = readl(dd->mmio + HOST_IRQ_STAT);
+                                if (hba_stat)
+                                        writel(hba_stat,
+                                                dd->mmio + HOST_IRQ_STAT);
                         }
+                        break;
                 }
         }
 
-        if (atomic_read(&int_cmd->active) > 1) {
-                dev_err(&port->dd->pdev->dev,
-                        "Internal command [%02X] failed\n", fis->command);
-                rv = -EIO;
-        }
         if (readl(port->cmd_issue[MTIP_TAG_INTERNAL])
                         & (1 << MTIP_TAG_INTERNAL)) {
                 rv = -ENXIO;
-                if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
-                                        &port->dd->dd_flag)) {
-                        mtip_restart_port(port);
+                if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) {
+                        mtip_device_reset(dd);
                         rv = -EAGAIN;
                 }
         }
@@ -1724,7 +1764,8 @@ static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id,
  *      -EINVAL         Invalid parameters passed in, trim not supported
  *      -EIO            Error submitting trim request to hw
  */
-static int mtip_send_trim(struct driver_data *dd, unsigned int lba, unsigned int len)
+static int mtip_send_trim(struct driver_data *dd, unsigned int lba,
+                                unsigned int len)
 {
         int i, rv = 0;
         u64 tlba, tlen, sect_left;
@@ -1811,45 +1852,6 @@ static bool mtip_hw_get_capacity(struct driver_data *dd, sector_t *sectors)
 }
 
 /*
- * Reset the HBA.
- *
- * Resets the HBA by setting the HBA Reset bit in the Global
- * HBA Control register. After setting the HBA Reset bit the
- * function waits for 1 second before reading the HBA Reset
- * bit to make sure it has cleared. If HBA Reset is not clear
- * an error is returned. Cannot be used in non-blockable
- * context.
- *
- * @dd Pointer to the driver data structure.
- *
- * return value
- *      0  The reset was successful.
- *      -1 The HBA Reset bit did not clear.
- */
-static int mtip_hba_reset(struct driver_data *dd)
-{
-        mtip_deinit_port(dd->port);
-
-        /* Set the reset bit */
-        writel(HOST_RESET, dd->mmio + HOST_CTL);
-
-        /* Flush */
-        readl(dd->mmio + HOST_CTL);
-
-        /* Wait for reset to clear */
-        ssleep(1);
-
-        /* Check the bit has cleared */
-        if (readl(dd->mmio + HOST_CTL) & HOST_RESET) {
-                dev_err(&dd->pdev->dev,
-                        "Reset bit did not clear.\n");
-                return -1;
-        }
-
-        return 0;
-}
-
-/*
  * Display the identify command data.
  *
  * @port Pointer to the port data structure.
@@ -2710,6 +2712,100 @@ static ssize_t mtip_hw_show_status(struct device *dev,
 
 static DEVICE_ATTR(status, S_IRUGO, mtip_hw_show_status, NULL);
 
+/* debugsfs entries */
+
+static ssize_t show_device_status(struct device_driver *drv, char *buf)
+{
+        int size = 0;
+        struct driver_data *dd, *tmp;
+        unsigned long flags;
+        char id_buf[42];
+        u16 status = 0;
+
+        spin_lock_irqsave(&dev_lock, flags);
+        size += sprintf(&buf[size], "Devices Present:\n");
+        list_for_each_entry_safe(dd, tmp, &online_list, online_list) {
+                if (dd->pdev) {
+                        if (dd->port &&
+                            dd->port->identify &&
+                            dd->port->identify_valid) {
+                                strlcpy(id_buf,
+                                        (char *) (dd->port->identify + 10), 21);
+                                status = *(dd->port->identify + 141);
+                        } else {
+                                memset(id_buf, 0, 42);
+                                status = 0;
+                        }
+
+                        if (dd->port &&
+                            test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+                                size += sprintf(&buf[size],
+                                        " device %s %s (ftl rebuild %d %%)\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf,
+                                        status);
+                        } else {
+                                size += sprintf(&buf[size],
+                                        " device %s %s\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf);
+                        }
+                }
+        }
+
+        size += sprintf(&buf[size], "Devices Being Removed:\n");
+        list_for_each_entry_safe(dd, tmp, &removing_list, remove_list) {
+                if (dd->pdev) {
+                        if (dd->port &&
+                            dd->port->identify &&
+                            dd->port->identify_valid) {
+                                strlcpy(id_buf,
+                                        (char *) (dd->port->identify+10), 21);
+                                status = *(dd->port->identify + 141);
+                        } else {
+                                memset(id_buf, 0, 42);
+                                status = 0;
+                        }
+
+                        if (dd->port &&
+                            test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+                                size += sprintf(&buf[size],
+                                        " device %s %s (ftl rebuild %d %%)\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf,
+                                        status);
+                        } else {
+                                size += sprintf(&buf[size],
+                                        " device %s %s\n",
+                                        dev_name(&dd->pdev->dev),
+                                        id_buf);
+                        }
+                }
+        }
+        spin_unlock_irqrestore(&dev_lock, flags);
+
+        return size;
+}
+
+static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf,
+                                                size_t len, loff_t *offset)
+{
+        int size = *offset;
+        char buf[MTIP_DFS_MAX_BUF_SIZE];
+
+        if (!len || *offset)
+                return 0;
+
+        size += show_device_status(NULL, buf);
+
+        *offset = size <= len ? size : len;
+        size = copy_to_user(ubuf, buf, *offset);
+        if (size)
+                return -EFAULT;
+
+        return *offset;
+}
+
 static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf,
                                   size_t len, loff_t *offset)
 {
@@ -2804,6 +2900,13 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf,
         return *offset;
 }
 
+static const struct file_operations mtip_device_status_fops = {
+        .owner  = THIS_MODULE,
+        .open   = simple_open,
+        .read   = mtip_hw_read_device_status,
+        .llseek = no_llseek,
+};
+
 static const struct file_operations mtip_regs_fops = {
         .owner  = THIS_MODULE,
         .open   = simple_open,
@@ -4161,6 +4264,7 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         const struct cpumask *node_mask;
         int cpu, i = 0, j = 0;
         int my_node = NUMA_NO_NODE;
+        unsigned long flags;
 
         /* Allocate memory for this devices private data. */
         my_node = pcibus_to_node(pdev->bus);
@@ -4218,6 +4322,9 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         dd->pdev        = pdev;
         dd->numa_node   = my_node;
 
+        INIT_LIST_HEAD(&dd->online_list);
+        INIT_LIST_HEAD(&dd->remove_list);
+
         memset(dd->workq_name, 0, 32);
         snprintf(dd->workq_name, 31, "mtipq%d", dd->instance);
 
@@ -4305,6 +4412,14 @@ static int mtip_pci_probe(struct pci_dev *pdev,
         instance++;
         if (rv != MTIP_FTL_REBUILD_MAGIC)
                 set_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag);
+        else
+                rv = 0; /* device in rebuild state, return 0 from probe */
+
+        /* Add to online list even if in ftl rebuild */
+        spin_lock_irqsave(&dev_lock, flags);
+        list_add(&dd->online_list, &online_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         goto done;
 
 block_initialize_err:
@@ -4338,9 +4453,15 @@ static void mtip_pci_remove(struct pci_dev *pdev)
 {
         struct driver_data *dd = pci_get_drvdata(pdev);
         int counter = 0;
+        unsigned long flags;
 
         set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
 
+        spin_lock_irqsave(&dev_lock, flags);
+        list_del_init(&dd->online_list);
+        list_add(&dd->remove_list, &removing_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         if (mtip_check_surprise_removal(pdev)) {
                 while (!test_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag)) {
                         counter++;
@@ -4366,6 +4487,10 @@ static void mtip_pci_remove(struct pci_dev *pdev)
 
         pci_disable_msi(pdev);
 
+        spin_lock_irqsave(&dev_lock, flags);
+        list_del_init(&dd->remove_list);
+        spin_unlock_irqrestore(&dev_lock, flags);
+
         kfree(dd);
         pcim_iounmap_regions(pdev, 1 << MTIP_ABAR);
 }
@@ -4513,6 +4638,11 @@ static int __init mtip_init(void)
 
         pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
 
+        spin_lock_init(&dev_lock);
+
+        INIT_LIST_HEAD(&online_list);
+        INIT_LIST_HEAD(&removing_list);
+
         /* Allocate a major block device number to use with this driver. */
         error = register_blkdev(0, MTIP_DRV_NAME);
         if (error <= 0) {
@@ -4522,11 +4652,18 @@ static int __init mtip_init(void)
         }
         mtip_major = error;
 
-        if (!dfs_parent) {
-                dfs_parent = debugfs_create_dir("rssd", NULL);
-                if (IS_ERR_OR_NULL(dfs_parent)) {
-                        pr_warn("Error creating debugfs parent\n");
-                        dfs_parent = NULL;
+        dfs_parent = debugfs_create_dir("rssd", NULL);
+        if (IS_ERR_OR_NULL(dfs_parent)) {
+                pr_warn("Error creating debugfs parent\n");
+                dfs_parent = NULL;
+        }
+        if (dfs_parent) {
+                dfs_device_status = debugfs_create_file("device_status",
+                                        S_IRUGO, dfs_parent, NULL,
+                                        &mtip_device_status_fops);
+                if (IS_ERR_OR_NULL(dfs_device_status)) {
+                        pr_err("Error creating device_status node\n");
+                        dfs_device_status = NULL;
                 }
         }
 
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 3bffff5f670c..8e8334c9dd0f 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -129,9 +129,9 @@ enum {
         MTIP_PF_EH_ACTIVE_BIT       = 1, /* error handling */
         MTIP_PF_SE_ACTIVE_BIT       = 2, /* secure erase */
         MTIP_PF_DM_ACTIVE_BIT       = 3, /* download microcde */
-        MTIP_PF_PAUSE_IO      = ((1 << MTIP_PF_IC_ACTIVE_BIT) | \
-                                (1 << MTIP_PF_EH_ACTIVE_BIT) | \
-                                (1 << MTIP_PF_SE_ACTIVE_BIT) | \
+        MTIP_PF_PAUSE_IO      = ((1 << MTIP_PF_IC_ACTIVE_BIT) |
+                                (1 << MTIP_PF_EH_ACTIVE_BIT) |
+                                (1 << MTIP_PF_SE_ACTIVE_BIT) |
                                 (1 << MTIP_PF_DM_ACTIVE_BIT)),
 
         MTIP_PF_SVC_THD_ACTIVE_BIT  = 4,
@@ -144,9 +144,9 @@ enum {
         MTIP_DDF_REMOVE_PENDING_BIT = 1,
         MTIP_DDF_OVER_TEMP_BIT      = 2,
         MTIP_DDF_WRITE_PROTECT_BIT  = 3,
-        MTIP_DDF_STOP_IO      = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
-                                (1 << MTIP_DDF_SEC_LOCK_BIT) | \
-                                (1 << MTIP_DDF_OVER_TEMP_BIT) | \
+        MTIP_DDF_STOP_IO      = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) |
+                                (1 << MTIP_DDF_SEC_LOCK_BIT) |
+                                (1 << MTIP_DDF_OVER_TEMP_BIT) |
                                 (1 << MTIP_DDF_WRITE_PROTECT_BIT)),
 
         MTIP_DDF_CLEANUP_BIT        = 5,
@@ -180,7 +180,7 @@ struct mtip_work {
 
 #define MTIP_TRIM_TIMEOUT_MS            240000
 #define MTIP_MAX_TRIM_ENTRIES           8
-#define MTIP_MAX_TRIM_ENTRY_LEN         0xfff8
+#define MTIP_MAX_TRIM_ENTRY_LEN         0xfff8
 
 struct mtip_trim_entry {
         u32 lba;   /* starting lba of region */
@@ -501,6 +501,10 @@ struct driver_data {
         atomic_t irq_workers_active;
 
         int isr_binding;
+
+        struct list_head online_list; /* linkage for online list */
+
+        struct list_head remove_list; /* linkage for removing list */
 };
 
 #endif
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 8bc5fef07e7a..22c9063e0120 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1750,7 +1750,7 @@ static struct platform_driver cryp_driver = {
         .shutdown = ux500_cryp_shutdown,
         .driver = {
                 .owner = THIS_MODULE,
-                .name  = "cryp1"
+                .name  = "cryp1",
                 .pm    = &ux500_cryp_pm,
         }
 };
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index fe22bb780e1d..78d8e919509f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -751,8 +751,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         int i;
         unsigned char misc = 0;
         unsigned char ext_vga[6];
-        unsigned char ext_vga_index24;
-        unsigned char dac_index90 = 0;
         u8 bppshift;
 
         static unsigned char dacvalue[] = {
@@ -803,7 +801,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
                 option2 = 0x0000b000;
                 break;
         case G200_ER:
-                dac_index90 = 0;
                 break;
         }
 
@@ -852,10 +849,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
                 WREG_DAC(i, dacvalue[i]);
         }
 
-        if (mdev->type == G200_ER) {
-                WREG_DAC(0x90, dac_index90);
-        }
-
+        if (mdev->type == G200_ER)
+                WREG_DAC(0x90, 0);
 
         if (option)
                 pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
@@ -952,8 +947,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         if (mdev->type == G200_WB)
                 ext_vga[1] |= 0x88;
 
-        ext_vga_index24 = 0x05;
-
         /* Set pixel clocks */
         misc = 0x2d;
         WREG8(MGA_MISC_OUT, misc);
@@ -965,7 +958,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
         }
 
         if (mdev->type == G200_ER)
-                WREG_ECRT(24, ext_vga_index24);
+                WREG_ECRT(0x24, 0x5);
 
         if (mdev->type == G200_EV) {
                 WREG_ECRT(6, 0);
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 7f0e6c3f37d1..1ddc03e51bf4 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -479,7 +479,7 @@ nv50_display_flip_wait(void *data)
 {
         struct nv50_display_flip *flip = data;
         if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
-                                              flip->chan->data);
+                                              flip->chan->data)
                 return true;
         usleep_range(1, 2);
         return false;
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index db713c0dfba4..461a0d739d75 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -416,6 +416,8 @@ static int __hwspin_lock_request(struct hwspinlock *hwlock)
         ret = pm_runtime_get_sync(dev);
         if (ret < 0) {
                 dev_err(dev, "%s: can't power on device\n", __func__);
+                pm_runtime_put_noidle(dev);
+                module_put(dev->driver->owner);
                 return ret;
         }
 
diff --git a/drivers/misc/vmw_vmci/Kconfig b/drivers/misc/vmw_vmci/Kconfig
index 39c2ecadb273..ea98f7e9ccd1 100644
--- a/drivers/misc/vmw_vmci/Kconfig
+++ b/drivers/misc/vmw_vmci/Kconfig
@@ -4,7 +4,7 @@
 
 config VMWARE_VMCI
         tristate "VMware VMCI Driver"
-        depends on X86 && PCI
+        depends on X86 && PCI && NET
         help
           This is VMware's Virtual Machine Communication Interface.  It enables
           high-speed communication between host and guest in a virtual
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 171b10f167a5..07401a3e256b 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4846,9 +4846,18 @@ static int __net_init bond_net_init(struct net *net)
 static void __net_exit bond_net_exit(struct net *net)
 {
         struct bond_net *bn = net_generic(net, bond_net_id);
+        struct bonding *bond, *tmp_bond;
+        LIST_HEAD(list);
 
         bond_destroy_sysfs(bn);
         bond_destroy_proc_dir(bn);
+
+        /* Kill off any bonds created after unregistering bond rtnl ops */
+        rtnl_lock();
+        list_for_each_entry_safe(bond, tmp_bond, &bn->dev_list, bond_list)
+                unregister_netdevice_queue(bond->dev, &list);
+        unregister_netdevice_many(&list);
+        rtnl_unlock();
 }
 
 static struct pernet_operations bond_net_ops = {
@@ -4902,8 +4911,8 @@ static void __exit bonding_exit(void)
 
         bond_destroy_debugfs();
 
-        unregister_pernet_subsys(&bond_net_ops);
         rtnl_link_unregister(&bond_link_ops);
+        unregister_pernet_subsys(&bond_net_ops);
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
         /*
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 77ebae0ac64a..0283f343b0d1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -13437,13 +13437,7 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
 {
         struct bnx2x *bp = params->bp;
         u16 base_page, next_page, not_kr2_device, lane;
-        int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
-
-        if (!sigdet) {
-                if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
-                        bnx2x_kr2_recovery(params, vars, phy);
-                return;
-        }
+        int sigdet;
 
         /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
          * since some switches tend to reinit the AN process and clear the
@@ -13454,6 +13448,16 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
                 vars->check_kr2_recovery_cnt--;
                 return;
         }
+
+        sigdet = bnx2x_warpcore_get_sigdet(phy, params);
+        if (!sigdet) {
+                if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
+                        bnx2x_kr2_recovery(params, vars, phy);
+                        DP(NETIF_MSG_LINK, "No sigdet\n");
+                }
+                return;
+        }
+
         lane = bnx2x_get_warpcore_lane(phy, params);
         CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
                           MDIO_AER_BLOCK_AER_REG, lane);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e81a747ea8ce..8e58da909f5c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -4947,7 +4947,7 @@ static void bnx2x_after_function_update(struct bnx2x *bp)
                                   q);
         }
 
-        if (!NO_FCOE(bp)) {
+        if (!NO_FCOE(bp) && CNIC_ENABLED(bp)) {
                 fp = &bp->fp[FCOE_IDX(bp)];
                 queue_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
 
@@ -13354,6 +13354,7 @@ static int bnx2x_unregister_cnic(struct net_device *dev)
         RCU_INIT_POINTER(bp->cnic_ops, NULL);
         mutex_unlock(&bp->cnic_mutex);
         synchronize_rcu();
+        bp->cnic_enabled = false;
         kfree(bp->cnic_kwq);
         bp->cnic_kwq = NULL;
 
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index ec800b093e7e..d2bea3f07c73 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -870,7 +870,7 @@ err_unlock:
 }
 
 static int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
-        void (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
+        int (*cb_prepare)(struct nic *, struct cb *, struct sk_buff *))
 {
         struct cb *cb;
         unsigned long flags;
@@ -888,10 +888,13 @@ static int e100_exec_cb(struct nic *nic, struct sk_buff *skb,
         nic->cbs_avail--;
         cb->skb = skb;
 
+        err = cb_prepare(nic, cb, skb);
+        if (err)
+                goto err_unlock;
+
         if (unlikely(!nic->cbs_avail))
                 err = -ENOSPC;
 
-        cb_prepare(nic, cb, skb);
 
         /* Order is important otherwise we'll be in a race with h/w:
          * set S-bit in current first, then clear S-bit in previous. */
@@ -1091,7 +1094,7 @@ static void e100_get_defaults(struct nic *nic)
         nic->mii.mdio_write = mdio_write;
 }
 
-static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         struct config *config = &cb->u.config;
         u8 *c = (u8 *)config;
@@ -1181,6 +1184,7 @@ static void e100_configure(struct nic *nic, struct cb *cb, struct sk_buff *skb)
         netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
                      "[16-23]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
                      c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
+        return 0;
 }
 
 /*************************************************************************
@@ -1331,7 +1335,7 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
         return fw;
 }
 
-static void e100_setup_ucode(struct nic *nic, struct cb *cb,
+static int e100_setup_ucode(struct nic *nic, struct cb *cb,
                              struct sk_buff *skb)
 {
         const struct firmware *fw = (void *)skb;
@@ -1358,6 +1362,7 @@ static void e100_setup_ucode(struct nic *nic, struct cb *cb,
         cb->u.ucode[min_size] |= cpu_to_le32((BUNDLESMALL) ? 0xFFFF : 0xFF80);
 
         cb->command = cpu_to_le16(cb_ucode | cb_el);
+        return 0;
 }
 
 static inline int e100_load_ucode_wait(struct nic *nic)
@@ -1400,18 +1405,20 @@ static inline int e100_load_ucode_wait(struct nic *nic)
         return err;
 }
 
-static void e100_setup_iaaddr(struct nic *nic, struct cb *cb,
+static int e100_setup_iaaddr(struct nic *nic, struct cb *cb,
         struct sk_buff *skb)
 {
         cb->command = cpu_to_le16(cb_iaaddr);
         memcpy(cb->u.iaaddr, nic->netdev->dev_addr, ETH_ALEN);
+        return 0;
 }
 
-static void e100_dump(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_dump(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         cb->command = cpu_to_le16(cb_dump);
         cb->u.dump_buffer_addr = cpu_to_le32(nic->dma_addr +
                 offsetof(struct mem, dump_buf));
+        return 0;
 }
 
 static int e100_phy_check_without_mii(struct nic *nic)
@@ -1581,7 +1588,7 @@ static int e100_hw_init(struct nic *nic)
         return 0;
 }
 
-static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
+static int e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
 {
         struct net_device *netdev = nic->netdev;
         struct netdev_hw_addr *ha;
@@ -1596,6 +1603,7 @@ static void e100_multi(struct nic *nic, struct cb *cb, struct sk_buff *skb)
                 memcpy(&cb->u.multi.addr[i++ * ETH_ALEN], &ha->addr,
                         ETH_ALEN);
         }
+        return 0;
 }
 
 static void e100_set_multicast_list(struct net_device *netdev)
@@ -1756,11 +1764,18 @@ static void e100_watchdog(unsigned long data)
                   round_jiffies(jiffies + E100_WATCHDOG_PERIOD));
 }
 
-static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
+static int e100_xmit_prepare(struct nic *nic, struct cb *cb,
         struct sk_buff *skb)
 {
+        dma_addr_t dma_addr;
         cb->command = nic->tx_command;
 
+        dma_addr = pci_map_single(nic->pdev,
+                                  skb->data, skb->len, PCI_DMA_TODEVICE);
+        /* If we can't map the skb, have the upper layer try later */
+        if (pci_dma_mapping_error(nic->pdev, dma_addr))
+                return -ENOMEM;
+
         /*
          * Use the last 4 bytes of the SKB payload packet as the CRC, used for
          * testing, ie sending frames with bad CRC.
@@ -1777,11 +1792,10 @@ static void e100_xmit_prepare(struct nic *nic, struct cb *cb,
         cb->u.tcb.tcb_byte_count = 0;
         cb->u.tcb.threshold = nic->tx_threshold;
         cb->u.tcb.tbd_count = 1;
-        cb->u.tcb.tbd.buf_addr = cpu_to_le32(pci_map_single(nic->pdev,
-                skb->data, skb->len, PCI_DMA_TODEVICE));
-        /* check for mapping failure? */
+        cb->u.tcb.tbd.buf_addr = cpu_to_le32(dma_addr);
         cb->u.tcb.tbd.size = cpu_to_le16(skb->len);
         skb_tx_timestamp(skb);
+        return 0;
 }
 
 static netdev_tx_t e100_xmit_frame(struct sk_buff *skb,
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index cd345b8969bc..1e628ce57201 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -2771,16 +2771,17 @@ static int mvneta_probe(struct platform_device *pdev)
 
         netif_napi_add(dev, &pp->napi, mvneta_poll, pp->weight);
 
+        dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->vlan_features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+        dev->priv_flags |= IFF_UNICAST_FLT;
+
         err = register_netdev(dev);
         if (err < 0) {
                 dev_err(&pdev->dev, "failed to register\n");
                 goto err_deinit;
         }
 
-        dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
-        dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM;
-        dev->priv_flags |= IFF_UNICAST_FLT;
-
         netdev_info(dev, "mac: %pM\n", dev->dev_addr);
 
         platform_set_drvdata(pdev, pp->dev);
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 1cd77483da50..f5f0f09e4cc5 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -470,8 +470,10 @@ static void netvsc_send_completion(struct hv_device *device,
                         packet->trans_id;
 
                 /* Notify the layer above us */
-                nvsc_packet->completion.send.send_completion(
-                        nvsc_packet->completion.send.send_completion_ctx);
+                if (nvsc_packet)
+                        nvsc_packet->completion.send.send_completion(
+                                nvsc_packet->completion.send.
+                                send_completion_ctx);
 
                 num_outstanding_sends =
                         atomic_dec_return(&net_device->num_outstanding_sends);
@@ -498,6 +500,7 @@ int netvsc_send(struct hv_device *device,
         int ret = 0;
         struct nvsp_message sendMessage;
         struct net_device *ndev;
+        u64 req_id;
 
         net_device = get_outbound_net_device(device);
         if (!net_device)
@@ -518,20 +521,24 @@ int netvsc_send(struct hv_device *device,
                 0xFFFFFFFF;
         sendMessage.msg.v1_msg.send_rndis_pkt.send_buf_section_size = 0;
 
+        if (packet->completion.send.send_completion)
+                req_id = (u64)packet;
+        else
+                req_id = 0;
+
         if (packet->page_buf_cnt) {
                 ret = vmbus_sendpacket_pagebuffer(device->channel,
                                                   packet->page_buf,
                                                   packet->page_buf_cnt,
                                                   &sendMessage,
                                                   sizeof(struct nvsp_message),
-                                                  (unsigned long)packet);
+                                                  req_id);
         } else {
                 ret = vmbus_sendpacket(device->channel, &sendMessage,
                                 sizeof(struct nvsp_message),
-                                (unsigned long)packet,
+                                req_id,
                                 VM_PKT_DATA_INBAND,
                                 VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
-
         }
 
         if (ret == 0) {
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 5f85205cd12b..8341b62e5521 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -241,13 +241,11 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
 
         if (status == 1) {
                 netif_carrier_on(net);
-                netif_wake_queue(net);
                 ndev_ctx = netdev_priv(net);
                 schedule_delayed_work(&ndev_ctx->dwork, 0);
                 schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
         } else {
                 netif_carrier_off(net);
-                netif_tx_disable(net);
         }
 }
 
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 2b657d4d63a8..0775f0aefd1e 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -61,9 +61,6 @@ struct rndis_request {
 
 static void rndis_filter_send_completion(void *ctx);
 
-static void rndis_filter_send_request_completion(void *ctx);
-
-
 
 static struct rndis_device *get_rndis_device(void)
 {
@@ -241,10 +238,7 @@ static int rndis_filter_send_request(struct rndis_device *dev,
                         packet->page_buf[0].len;
         }
 
-        packet->completion.send.send_completion_ctx = req;/* packet; */
-        packet->completion.send.send_completion =
-                rndis_filter_send_request_completion;
-        packet->completion.send.send_completion_tid = (unsigned long)dev;
+        packet->completion.send.send_completion = NULL;
 
         ret = netvsc_send(dev->net_dev->dev, packet);
         return ret;
@@ -999,9 +993,3 @@ static void rndis_filter_send_completion(void *ctx)
         /* Pass it back to the original handler */
         filter_pkt->completion(filter_pkt->completion_ctx);
 }
-
-
-static void rndis_filter_send_request_completion(void *ctx)
-{
-        /* Noop */
-}
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 6e66f9c6782b..988372d218a4 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -280,6 +280,10 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan)
         if (r) {
                 ath_err(common,
                         "Unable to reset channel, reset status %d\n", r);
+
+                ath9k_hw_enable_interrupts(ah);
+                ath9k_queue_reset(sc, RESET_TYPE_BB_HANG);
+
                 goto out;
         }
 
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 4469321c0eb3..35fc68be158d 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -3317,15 +3317,15 @@ static int _brcmf_sdbrcm_download_firmware(struct brcmf_sdio *bus)
                 goto err;
         }
 
-        /* External image takes precedence if specified */
         if (brcmf_sdbrcm_download_code_file(bus)) {
                 brcmf_err("dongle image file download failed\n");
                 goto err;
         }
 
-        /* External nvram takes precedence if specified */
-        if (brcmf_sdbrcm_download_nvram(bus))
+        if (brcmf_sdbrcm_download_nvram(bus)) {
                 brcmf_err("dongle nvram file download failed\n");
+                goto err;
+        }
 
         /* Take arm out of reset */
         if (brcmf_sdbrcm_download_state(bus, false)) {
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 2af9c0f0798d..ec46ffff5409 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -1891,8 +1891,10 @@ static s32
 brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
               u8 key_idx, const u8 *mac_addr, struct key_params *params)
 {
+        struct brcmf_if *ifp = netdev_priv(ndev);
         struct brcmf_wsec_key key;
         s32 err = 0;
+        u8 keybuf[8];
 
         memset(&key, 0, sizeof(key));
         key.index = (u32) key_idx;
@@ -1916,8 +1918,9 @@ brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev,
                 brcmf_dbg(CONN, "Setting the key index %d\n", key.index);
                 memcpy(key.data, params->key, key.len);
 
-                if (params->cipher == WLAN_CIPHER_SUITE_TKIP) {
-                        u8 keybuf[8];
+                if ((ifp->vif->mode != WL_MODE_AP) &&
+                    (params->cipher == WLAN_CIPHER_SUITE_TKIP)) {
+                        brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
                         memcpy(keybuf, &key.data[24], sizeof(keybuf));
                         memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
                         memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2013,7 +2016,7 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
                 break;
         case WLAN_CIPHER_SUITE_TKIP:
                 if (ifp->vif->mode != WL_MODE_AP) {
-                        brcmf_dbg(CONN, "Swapping key\n");
+                        brcmf_dbg(CONN, "Swapping RX/TX MIC key\n");
                         memcpy(keybuf, &key.data[24], sizeof(keybuf));
                         memcpy(&key.data[24], &key.data[16], sizeof(keybuf));
                         memcpy(&key.data[16], keybuf, sizeof(keybuf));
@@ -2118,8 +2121,7 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
                 err = -EAGAIN;
                 goto done;
         }
-        switch (wsec & ~SES_OW_ENABLED) {
-        case WEP_ENABLED:
+        if (wsec & WEP_ENABLED) {
                 sec = &profile->sec;
                 if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) {
                         params.cipher = WLAN_CIPHER_SUITE_WEP40;
@@ -2128,16 +2130,13 @@ brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
                         brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_WEP104\n");
                 }
-                break;
-        case TKIP_ENABLED:
+        } else if (wsec & TKIP_ENABLED) {
                 params.cipher = WLAN_CIPHER_SUITE_TKIP;
                 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_TKIP\n");
-                break;
-        case AES_ENABLED:
+        } else if (wsec & AES_ENABLED) {
                 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
                 brcmf_dbg(CONN, "WLAN_CIPHER_SUITE_AES_CMAC\n");
-                break;
-        default:
+        } else  {
                 brcmf_err("Invalid algo (0x%x)\n", wsec);
                 err = -EINVAL;
                 goto done;
@@ -3824,8 +3823,9 @@ exit:
 static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
 {
         struct brcmf_if *ifp = netdev_priv(ndev);
-        s32 err = -EPERM;
+        s32 err;
         struct brcmf_fil_bss_enable_le bss_enable;
+        struct brcmf_join_params join_params;
 
         brcmf_dbg(TRACE, "Enter\n");
 
@@ -3833,16 +3833,21 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
                 /* Due to most likely deauths outstanding we sleep */
                 /* first to make sure they get processed by fw. */
                 msleep(400);
-                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
-                if (err < 0) {
-                        brcmf_err("setting AP mode failed %d\n", err);
-                        goto exit;
-                }
+
+                memset(&join_params, 0, sizeof(join_params));
+                err = brcmf_fil_cmd_data_set(ifp, BRCMF_C_SET_SSID,
+                                             &join_params, sizeof(join_params));
+                if (err < 0)
+                        brcmf_err("SET SSID error (%d)\n", err);
                 err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
-                if (err < 0) {
+                if (err < 0)
                         brcmf_err("BRCMF_C_UP error %d\n", err);
-                        goto exit;
-                }
+                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_AP, 0);
+                if (err < 0)
+                        brcmf_err("setting AP mode failed %d\n", err);
+                err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_INFRA, 0);
+                if (err < 0)
+                        brcmf_err("setting INFRA mode failed %d\n", err);
         } else {
                 bss_enable.bsscfg_idx = cpu_to_le32(ifp->bssidx);
                 bss_enable.enable = cpu_to_le32(0);
@@ -3855,7 +3860,6 @@ static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
         set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
         clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
-exit:
         return err;
 }
 
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index d215b4d3c51b..e7f6deaf715e 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1393,8 +1393,10 @@ int mwifiex_scan_networks(struct mwifiex_private *priv,
                         queue_work(adapter->workqueue, &adapter->main_work);
 
                         /* Perform internal scan synchronously */
-                        if (!priv->scan_request)
+                        if (!priv->scan_request) {
+                                dev_dbg(adapter->dev, "wait internal scan\n");
                                 mwifiex_wait_queue_complete(adapter, cmd_node);
+                        }
                 } else {
                         spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
                                                flags);
@@ -1793,7 +1795,12 @@ check_next_scan:
                 /* Need to indicate IOCTL complete */
                 if (adapter->curr_cmd->wait_q_enabled) {
                         adapter->cmd_wait_q.status = 0;
-                        mwifiex_complete_cmd(adapter, adapter->curr_cmd);
+                        if (!priv->scan_request) {
+                                dev_dbg(adapter->dev,
+                                        "complete internal scan\n");
+                                mwifiex_complete_cmd(adapter,
+                                                     adapter->curr_cmd);
+                        }
                 }
                 if (priv->report_scan_result)
                         priv->report_scan_result = false;
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index 2bf4efa33186..76cd47eb901e 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -20,6 +20,7 @@ if RT2X00
 config RT2400PCI
         tristate "Ralink rt2400 (PCI/PCMCIA) support"
         depends on PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI
         select EEPROM_93CX6
         ---help---
@@ -31,6 +32,7 @@ config RT2400PCI
 config RT2500PCI
         tristate "Ralink rt2500 (PCI/PCMCIA) support"
         depends on PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI
         select EEPROM_93CX6
         ---help---
@@ -43,6 +45,7 @@ config RT61PCI
         tristate "Ralink rt2501/rt61 (PCI/PCMCIA) support"
         depends on PCI
         select RT2X00_LIB_PCI
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_FIRMWARE
         select RT2X00_LIB_CRYPTO
         select CRC_ITU_T
@@ -57,6 +60,7 @@ config RT2800PCI
         tristate "Ralink rt27xx/rt28xx/rt30xx (PCI/PCIe/PCMCIA) support"
         depends on PCI || SOC_RT288X || SOC_RT305X
         select RT2800_LIB
+        select RT2X00_LIB_MMIO
         select RT2X00_LIB_PCI if PCI
         select RT2X00_LIB_SOC if SOC_RT288X || SOC_RT305X
         select RT2X00_LIB_FIRMWARE
@@ -185,6 +189,9 @@ endif
 config RT2800_LIB
         tristate
 
+config RT2X00_LIB_MMIO
+        tristate
+
 config RT2X00_LIB_PCI
         tristate
         select RT2X00_LIB
diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile
index 349d5b8284a4..f069d8bc5b67 100644
--- a/drivers/net/wireless/rt2x00/Makefile
+++ b/drivers/net/wireless/rt2x00/Makefile
@@ -9,6 +9,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE)	+= rt2x00firmware.o
 rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS)     += rt2x00leds.o
 
 obj-$(CONFIG_RT2X00_LIB)                += rt2x00lib.o
+obj-$(CONFIG_RT2X00_LIB_MMIO)           += rt2x00mmio.o
 obj-$(CONFIG_RT2X00_LIB_PCI)            += rt2x00pci.o
 obj-$(CONFIG_RT2X00_LIB_SOC)            += rt2x00soc.o
 obj-$(CONFIG_RT2X00_LIB_USB)            += rt2x00usb.o
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 221beaaa83f1..dcfb54e0c516 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2400pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 39edc59e8d03..e1d2dc9ed28a 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -34,6 +34,7 @@
 #include <linux/slab.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2500pci.h"
 
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index ded73da4de0b..ba5a05625aaa 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -41,6 +41,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt2x00soc.h"
 #include "rt2800lib.h"
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.c b/drivers/net/wireless/rt2x00/rt2x00mmio.c
new file mode 100644
index 000000000000..d84a680ba0c9
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.c
@@ -0,0 +1,216 @@
+/*
+        Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+        <http://rt2x00.serialmonkey.com>
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation; either version 2 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the
+        Free Software Foundation, Inc.,
+        59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+        Module: rt2x00mmio
+        Abstract: rt2x00 generic mmio device routines.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "rt2x00.h"
+#include "rt2x00mmio.h"
+
+/*
+ * Register access.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                           const unsigned int offset,
+                           const struct rt2x00_field32 field,
+                           u32 *reg)
+{
+        unsigned int i;
+
+        if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+                return 0;
+
+        for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+                rt2x00pci_register_read(rt2x00dev, offset, reg);
+                if (!rt2x00_get_field32(*reg, field))
+                        return 1;
+                udelay(REGISTER_BUSY_DELAY);
+        }
+
+        printk_once(KERN_ERR "%s() Indirect register access failed: "
+              "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
+        *reg = ~0;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
+
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue = rt2x00dev->rx;
+        struct queue_entry *entry;
+        struct queue_entry_priv_pci *entry_priv;
+        struct skb_frame_desc *skbdesc;
+        int max_rx = 16;
+
+        while (--max_rx) {
+                entry = rt2x00queue_get_entry(queue, Q_INDEX);
+                entry_priv = entry->priv_data;
+
+                if (rt2x00dev->ops->lib->get_entry_state(entry))
+                        break;
+
+                /*
+                 * Fill in desc fields of the skb descriptor
+                 */
+                skbdesc = get_skb_frame_desc(entry->skb);
+                skbdesc->desc = entry_priv->desc;
+                skbdesc->desc_len = entry->queue->desc_size;
+
+                /*
+                 * DMA is already done, notify rt2x00lib that
+                 * it finished successfully.
+                 */
+                rt2x00lib_dmastart(entry);
+                rt2x00lib_dmadone(entry);
+
+                /*
+                 * Send the frame to rt2x00lib for further processing.
+                 */
+                rt2x00lib_rxdone(entry, GFP_ATOMIC);
+        }
+
+        return !max_rx;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
+
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
+{
+        unsigned int i;
+
+        for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
+                msleep(10);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
+
+/*
+ * Device initialization handlers.
+ */
+static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
+                                     struct data_queue *queue)
+{
+        struct queue_entry_priv_pci *entry_priv;
+        void *addr;
+        dma_addr_t dma;
+        unsigned int i;
+
+        /*
+         * Allocate DMA memory for descriptor and buffer.
+         */
+        addr = dma_alloc_coherent(rt2x00dev->dev,
+                                  queue->limit * queue->desc_size,
+                                  &dma, GFP_KERNEL);
+        if (!addr)
+                return -ENOMEM;
+
+        memset(addr, 0, queue->limit * queue->desc_size);
+
+        /*
+         * Initialize all queue entries to contain valid addresses.
+         */
+        for (i = 0; i < queue->limit; i++) {
+                entry_priv = queue->entries[i].priv_data;
+                entry_priv->desc = addr + i * queue->desc_size;
+                entry_priv->desc_dma = dma + i * queue->desc_size;
+        }
+
+        return 0;
+}
+
+static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
+                                     struct data_queue *queue)
+{
+        struct queue_entry_priv_pci *entry_priv =
+            queue->entries[0].priv_data;
+
+        if (entry_priv->desc)
+                dma_free_coherent(rt2x00dev->dev,
+                                  queue->limit * queue->desc_size,
+                                  entry_priv->desc, entry_priv->desc_dma);
+        entry_priv->desc = NULL;
+}
+
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue;
+        int status;
+
+        /*
+         * Allocate DMA
+         */
+        queue_for_each(rt2x00dev, queue) {
+                status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
+                if (status)
+                        goto exit;
+        }
+
+        /*
+         * Register interrupt handler.
+         */
+        status = request_irq(rt2x00dev->irq,
+                             rt2x00dev->ops->lib->irq_handler,
+                             IRQF_SHARED, rt2x00dev->name, rt2x00dev);
+        if (status) {
+                ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
+                      rt2x00dev->irq, status);
+                goto exit;
+        }
+
+        return 0;
+
+exit:
+        queue_for_each(rt2x00dev, queue)
+                rt2x00pci_free_queue_dma(rt2x00dev, queue);
+
+        return status;
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
+
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
+{
+        struct data_queue *queue;
+
+        /*
+         * Free irq line.
+         */
+        free_irq(rt2x00dev->irq, rt2x00dev);
+
+        /*
+         * Free DMA
+         */
+        queue_for_each(rt2x00dev, queue)
+                rt2x00pci_free_queue_dma(rt2x00dev, queue);
+}
+EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
+
+/*
+ * rt2x00mmio module information.
+ */
+MODULE_AUTHOR(DRV_PROJECT);
+MODULE_VERSION(DRV_VERSION);
+MODULE_DESCRIPTION("rt2x00 mmio library");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/wireless/rt2x00/rt2x00mmio.h b/drivers/net/wireless/rt2x00/rt2x00mmio.h
new file mode 100644
index 000000000000..4ecaf60175bf
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00mmio.h
@@ -0,0 +1,119 @@
+/*
+        Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+        <http://rt2x00.serialmonkey.com>
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation; either version 2 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the
+        Free Software Foundation, Inc.,
+        59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*
+        Module: rt2x00mmio
+        Abstract: Data structures for the rt2x00mmio module.
+ */
+
+#ifndef RT2X00MMIO_H
+#define RT2X00MMIO_H
+
+#include <linux/io.h>
+
+/*
+ * Register access.
+ */
+static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
+                                           const unsigned int offset,
+                                           u32 *value)
+{
+        *value = readl(rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
+                                                const unsigned int offset,
+                                                void *value, const u32 length)
+{
+        memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
+}
+
+static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
+                                            const unsigned int offset,
+                                            u32 value)
+{
+        writel(value, rt2x00dev->csr.base + offset);
+}
+
+static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
+                                                 const unsigned int offset,
+                                                 const void *value,
+                                                 const u32 length)
+{
+        __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
+}
+
+/**
+ * rt2x00pci_regbusy_read - Read from register with busy check
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ * @offset: Register offset
+ * @field: Field to check if register is busy
+ * @reg: Pointer to where register contents should be stored
+ *
+ * This function will read the given register, and checks if the
+ * register is busy. If it is, it will sleep for a couple of
+ * microseconds before reading the register again. If the register
+ * is not read after a certain timeout, this function will return
+ * FALSE.
+ */
+int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
+                           const unsigned int offset,
+                           const struct rt2x00_field32 field,
+                           u32 *reg);
+
+/**
+ * struct queue_entry_priv_pci: Per entry PCI specific information
+ *
+ * @desc: Pointer to device descriptor
+ * @desc_dma: DMA pointer to &desc.
+ * @data: Pointer to device's entry memory.
+ * @data_dma: DMA pointer to &data.
+ */
+struct queue_entry_priv_pci {
+        __le32 *desc;
+        dma_addr_t desc_dma;
+};
+
+/**
+ * rt2x00pci_rxdone - Handle RX done events
+ * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
+ *
+ * Returns true if there are still rx frames pending and false if all
+ * pending rx frames were processed.
+ */
+bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
+
+/**
+ * rt2x00pci_flush_queue - Flush data queue
+ * @queue: Data queue to stop
+ * @drop: True to drop all pending frames.
+ *
+ * This will wait for a maximum of 100ms, waiting for the queues
+ * to become empty.
+ */
+void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
+
+/*
+ * Device initialization handlers.
+ */
+int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
+void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
+
+#endif /* RT2X00MMIO_H */
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index a0c8caef3b0a..e87865e33113 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -33,182 +33,6 @@
 #include "rt2x00pci.h"
 
 /*
- * Register access.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-                           const unsigned int offset,
-                           const struct rt2x00_field32 field,
-                           u32 *reg)
-{
-        unsigned int i;
-
-        if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
-                return 0;
-
-        for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-                rt2x00pci_register_read(rt2x00dev, offset, reg);
-                if (!rt2x00_get_field32(*reg, field))
-                        return 1;
-                udelay(REGISTER_BUSY_DELAY);
-        }
-
-        ERROR(rt2x00dev, "Indirect register access failed: "
-              "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
-        *reg = ~0;
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_regbusy_read);
-
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue = rt2x00dev->rx;
-        struct queue_entry *entry;
-        struct queue_entry_priv_pci *entry_priv;
-        struct skb_frame_desc *skbdesc;
-        int max_rx = 16;
-
-        while (--max_rx) {
-                entry = rt2x00queue_get_entry(queue, Q_INDEX);
-                entry_priv = entry->priv_data;
-
-                if (rt2x00dev->ops->lib->get_entry_state(entry))
-                        break;
-
-                /*
-                 * Fill in desc fields of the skb descriptor
-                 */
-                skbdesc = get_skb_frame_desc(entry->skb);
-                skbdesc->desc = entry_priv->desc;
-                skbdesc->desc_len = entry->queue->desc_size;
-
-                /*
-                 * DMA is already done, notify rt2x00lib that
-                 * it finished successfully.
-                 */
-                rt2x00lib_dmastart(entry);
-                rt2x00lib_dmadone(entry);
-
-                /*
-                 * Send the frame to rt2x00lib for further processing.
-                 */
-                rt2x00lib_rxdone(entry, GFP_ATOMIC);
-        }
-
-        return !max_rx;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_rxdone);
-
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop)
-{
-        unsigned int i;
-
-        for (i = 0; !rt2x00queue_empty(queue) && i < 10; i++)
-                msleep(10);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_flush_queue);
-
-/*
- * Device initialization handlers.
- */
-static int rt2x00pci_alloc_queue_dma(struct rt2x00_dev *rt2x00dev,
-                                     struct data_queue *queue)
-{
-        struct queue_entry_priv_pci *entry_priv;
-        void *addr;
-        dma_addr_t dma;
-        unsigned int i;
-
-        /*
-         * Allocate DMA memory for descriptor and buffer.
-         */
-        addr = dma_alloc_coherent(rt2x00dev->dev,
-                                  queue->limit * queue->desc_size,
-                                  &dma, GFP_KERNEL);
-        if (!addr)
-                return -ENOMEM;
-
-        memset(addr, 0, queue->limit * queue->desc_size);
-
-        /*
-         * Initialize all queue entries to contain valid addresses.
-         */
-        for (i = 0; i < queue->limit; i++) {
-                entry_priv = queue->entries[i].priv_data;
-                entry_priv->desc = addr + i * queue->desc_size;
-                entry_priv->desc_dma = dma + i * queue->desc_size;
-        }
-
-        return 0;
-}
-
-static void rt2x00pci_free_queue_dma(struct rt2x00_dev *rt2x00dev,
-                                     struct data_queue *queue)
-{
-        struct queue_entry_priv_pci *entry_priv =
-            queue->entries[0].priv_data;
-
-        if (entry_priv->desc)
-                dma_free_coherent(rt2x00dev->dev,
-                                  queue->limit * queue->desc_size,
-                                  entry_priv->desc, entry_priv->desc_dma);
-        entry_priv->desc = NULL;
-}
-
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue;
-        int status;
-
-        /*
-         * Allocate DMA
-         */
-        queue_for_each(rt2x00dev, queue) {
-                status = rt2x00pci_alloc_queue_dma(rt2x00dev, queue);
-                if (status)
-                        goto exit;
-        }
-
-        /*
-         * Register interrupt handler.
-         */
-        status = request_irq(rt2x00dev->irq,
-                             rt2x00dev->ops->lib->irq_handler,
-                             IRQF_SHARED, rt2x00dev->name, rt2x00dev);
-        if (status) {
-                ERROR(rt2x00dev, "IRQ %d allocation failed (error %d).\n",
-                      rt2x00dev->irq, status);
-                goto exit;
-        }
-
-        return 0;
-
-exit:
-        queue_for_each(rt2x00dev, queue)
-                rt2x00pci_free_queue_dma(rt2x00dev, queue);
-
-        return status;
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_initialize);
-
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev)
-{
-        struct data_queue *queue;
-
-        /*
-         * Free irq line.
-         */
-        free_irq(rt2x00dev->irq, rt2x00dev);
-
-        /*
-         * Free DMA
-         */
-        queue_for_each(rt2x00dev, queue)
-                rt2x00pci_free_queue_dma(rt2x00dev, queue);
-}
-EXPORT_SYMBOL_GPL(rt2x00pci_uninitialize);
-
-/*
  * PCI driver handlers.
  */
 static void rt2x00pci_free_reg(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h
index e2c99f2b9a14..60d90b20f8b9 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.h
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.h
@@ -36,94 +36,6 @@
 #define PCI_DEVICE_DATA(__ops)  .driver_data = (kernel_ulong_t)(__ops)
 
 /*
- * Register access.
- */
-static inline void rt2x00pci_register_read(struct rt2x00_dev *rt2x00dev,
-                                           const unsigned int offset,
-                                           u32 *value)
-{
-        *value = readl(rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiread(struct rt2x00_dev *rt2x00dev,
-                                                const unsigned int offset,
-                                                void *value, const u32 length)
-{
-        memcpy_fromio(value, rt2x00dev->csr.base + offset, length);
-}
-
-static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev,
-                                            const unsigned int offset,
-                                            u32 value)
-{
-        writel(value, rt2x00dev->csr.base + offset);
-}
-
-static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev,
-                                                 const unsigned int offset,
-                                                 const void *value,
-                                                 const u32 length)
-{
-        __iowrite32_copy(rt2x00dev->csr.base + offset, value, length >> 2);
-}
-
-/**
- * rt2x00pci_regbusy_read - Read from register with busy check
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- * @offset: Register offset
- * @field: Field to check if register is busy
- * @reg: Pointer to where register contents should be stored
- *
- * This function will read the given register, and checks if the
- * register is busy. If it is, it will sleep for a couple of
- * microseconds before reading the register again. If the register
- * is not read after a certain timeout, this function will return
- * FALSE.
- */
-int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
-                           const unsigned int offset,
-                           const struct rt2x00_field32 field,
-                           u32 *reg);
-
-/**
- * struct queue_entry_priv_pci: Per entry PCI specific information
- *
- * @desc: Pointer to device descriptor
- * @desc_dma: DMA pointer to &desc.
- * @data: Pointer to device's entry memory.
- * @data_dma: DMA pointer to &data.
- */
-struct queue_entry_priv_pci {
-        __le32 *desc;
-        dma_addr_t desc_dma;
-};
-
-/**
- * rt2x00pci_rxdone - Handle RX done events
- * @rt2x00dev: Device pointer, see &struct rt2x00_dev.
- *
- * Returns true if there are still rx frames pending and false if all
- * pending rx frames were processed.
- */
-bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev);
-
-/**
- * rt2x00pci_flush_queue - Flush data queue
- * @queue: Data queue to stop
- * @drop: True to drop all pending frames.
- *
- * This will wait for a maximum of 100ms, waiting for the queues
- * to become empty.
- */
-void rt2x00pci_flush_queue(struct data_queue *queue, bool drop);
-
-/*
- * Device initialization handlers.
- */
-int rt2x00pci_initialize(struct rt2x00_dev *rt2x00dev);
-void rt2x00pci_uninitialize(struct rt2x00_dev *rt2x00dev);
-
-/*
  * PCI driver handlers.
  */
 int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops);
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index f95792cfcf89..9e3c8ff53e3f 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -35,6 +35,7 @@
 #include <linux/eeprom_93cx6.h>
 
 #include "rt2x00.h"
+#include "rt2x00mmio.h"
 #include "rt2x00pci.h"
 #include "rt61pci.h"
 
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index cc1f7bf53fd0..c6d77e20622c 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -4,7 +4,7 @@ menu "Remoteproc drivers"
 config REMOTEPROC
         tristate
         depends on HAS_DMA
-        select FW_CONFIG
+        select FW_LOADER
         select VIRTIO
 
 config OMAP_REMOTEPROC
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 29387df4bfc9..8edb4aed5d36 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -217,7 +217,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
          * TODO: support predefined notifyids (via resource table)
          */
         ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL);
-        if (ret) {
+        if (ret < 0) {
                 dev_err(dev, "idr_alloc failed: %d\n", ret);
                 dma_free_coherent(dev->parent, size, va, dma);
                 return ret;
@@ -366,10 +366,12 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
         /* it is now safe to add the virtio device */
         ret = rproc_add_virtio_dev(rvdev, rsc->id);
         if (ret)
-                goto free_rvdev;
+                goto remove_rvdev;
 
         return 0;
 
+remove_rvdev:
+        list_del(&rvdev->node);
 free_rvdev:
         kfree(rvdev);
         return ret;
diff --git a/drivers/remoteproc/ste_modem_rproc.c b/drivers/remoteproc/ste_modem_rproc.c
index a7743c069339..fb95c4220052 100644
--- a/drivers/remoteproc/ste_modem_rproc.c
+++ b/drivers/remoteproc/ste_modem_rproc.c
@@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platform_device *pdev)
 
         /* Unregister as remoteproc device */
         rproc_del(sproc->rproc);
+        dma_free_coherent(sproc->rproc->dev.parent, SPROC_FW_SIZE,
+                          sproc->fw_addr, sproc->fw_dma_addr);
         rproc_put(sproc->rproc);
 
         mdev->drv_data = NULL;
@@ -297,10 +299,13 @@ static int sproc_probe(struct platform_device *pdev)
         /* Register as a remoteproc device */
         err = rproc_add(rproc);
         if (err)
-                goto free_rproc;
+                goto free_mem;
 
         return 0;
 
+free_mem:
+        dma_free_coherent(rproc->dev.parent, SPROC_FW_SIZE,
+                          sproc->fw_addr, sproc->fw_dma_addr);
 free_rproc:
         /* Reset device data upon error */
         mdev->drv_data = NULL;
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index 8c0622399fcd..6ccb7457746b 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -769,6 +769,7 @@ struct qeth_card {
         unsigned long thread_start_mask;
         unsigned long thread_allowed_mask;
         unsigned long thread_running_mask;
+        struct task_struct *recovery_task;
         spinlock_t ip_lock;
         struct list_head ip_list;
         struct list_head *ip_tbd_list;
@@ -862,6 +863,8 @@ extern struct qeth_card_list_struct qeth_core_card_list;
 extern struct kmem_cache *qeth_core_header_cache;
 extern struct qeth_dbf_info qeth_dbf[QETH_DBF_INFOS];
 
+void qeth_set_recovery_task(struct qeth_card *);
+void qeth_clear_recovery_task(struct qeth_card *);
 void qeth_set_allowed_threads(struct qeth_card *, unsigned long , int);
 int qeth_threads_running(struct qeth_card *, unsigned long);
 int qeth_wait_for_threads(struct qeth_card *, unsigned long);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 0d73a999983d..451f92020599 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -177,6 +177,23 @@ const char *qeth_get_cardname_short(struct qeth_card *card)
         return "n/a";
 }
 
+void qeth_set_recovery_task(struct qeth_card *card)
+{
+        card->recovery_task = current;
+}
+EXPORT_SYMBOL_GPL(qeth_set_recovery_task);
+
+void qeth_clear_recovery_task(struct qeth_card *card)
+{
+        card->recovery_task = NULL;
+}
+EXPORT_SYMBOL_GPL(qeth_clear_recovery_task);
+
+static bool qeth_is_recovery_task(const struct qeth_card *card)
+{
+        return card->recovery_task == current;
+}
+
 void qeth_set_allowed_threads(struct qeth_card *card, unsigned long threads,
                          int clear_start_mask)
 {
@@ -205,6 +222,8 @@ EXPORT_SYMBOL_GPL(qeth_threads_running);
 
 int qeth_wait_for_threads(struct qeth_card *card, unsigned long threads)
 {
+        if (qeth_is_recovery_task(card))
+                return 0;
         return wait_event_interruptible(card->wait_q,
                         qeth_threads_running(card, threads) == 0);
 }
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index d690166efeaf..155b101bd730 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1143,6 +1143,7 @@ static int qeth_l2_recover(void *ptr)
         QETH_CARD_TEXT(card, 2, "recover2");
         dev_warn(&card->gdev->dev,
                 "A recovery process has been started for the device\n");
+        qeth_set_recovery_task(card);
         __qeth_l2_set_offline(card->gdev, 1);
         rc = __qeth_l2_set_online(card->gdev, 1);
         if (!rc)
@@ -1153,6 +1154,7 @@ static int qeth_l2_recover(void *ptr)
                 dev_warn(&card->gdev->dev, "The qeth device driver "
                                 "failed to recover an error on the device\n");
         }
+        qeth_clear_recovery_task(card);
         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
         return 0;
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 8710337dab3e..1f7edf1b26c3 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3515,6 +3515,7 @@ static int qeth_l3_recover(void *ptr)
         QETH_CARD_TEXT(card, 2, "recover2");
         dev_warn(&card->gdev->dev,
                 "A recovery process has been started for the device\n");
+        qeth_set_recovery_task(card);
         __qeth_l3_set_offline(card->gdev, 1);
         rc = __qeth_l3_set_online(card->gdev, 1);
         if (!rc)
@@ -3525,6 +3526,7 @@ static int qeth_l3_recover(void *ptr)
                 dev_warn(&card->gdev->dev, "The qeth device driver "
                                 "failed to recover an error on the device\n");
         }
+        qeth_clear_recovery_task(card);
         qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
         qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
         return 0;
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 484b6a3c9b03..302909ccf183 100644
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -2643,9 +2643,9 @@ static int mxser_probe(struct pci_dev *pdev,
                                 mxvar_sdriver, brd->idx + i, &pdev->dev);
                 if (IS_ERR(tty_dev)) {
                         retval = PTR_ERR(tty_dev);
-                        for (i--; i >= 0; i--)
+                        for (; i > 0; i--)
                                 tty_unregister_device(mxvar_sdriver,
-                                        brd->idx + i);
+                                        brd->idx + i - 1);
                         goto err_relbrd;
                 }
         }
@@ -2751,9 +2751,9 @@ static int __init mxser_module_init(void)
                         tty_dev = tty_port_register_device(&brd->ports[i].port,
                                         mxvar_sdriver, brd->idx + i, NULL);
                         if (IS_ERR(tty_dev)) {
-                                for (i--; i >= 0; i--)
+                                for (; i > 0; i--)
                                         tty_unregister_device(mxvar_sdriver,
-                                                brd->idx + i);
+                                                brd->idx + i - 1);
                                 for (i = 0; i < brd->info->nports; i++)
                                         tty_port_destroy(&brd->ports[i].port);
                                 free_irq(brd->irq, brd);
diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c
index b3455a970a1d..35d9ab95c5cb 100644
--- a/drivers/tty/serial/8250/8250_pnp.c
+++ b/drivers/tty/serial/8250/8250_pnp.c
@@ -429,7 +429,6 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
 {
         struct uart_8250_port uart;
         int ret, line, flags = dev_id->driver_data;
-        struct resource *res = NULL;
 
         if (flags & UNKNOWN_DEV) {
                 ret = serial_pnp_guess_board(dev);
@@ -440,12 +439,11 @@ serial_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
         memset(&uart, 0, sizeof(uart));
         if (pnp_irq_valid(dev, 0))
                 uart.port.irq = pnp_irq(dev, 0);
-        if ((flags & CIR_PORT) && pnp_port_valid(dev, 2))
-                res = pnp_get_resource(dev, IORESOURCE_IO, 2);
-        else if (pnp_port_valid(dev, 0))
-                res = pnp_get_resource(dev, IORESOURCE_IO, 0);
-        if (pnp_resource_enabled(res)) {
-                uart.port.iobase = res->start;
+        if ((flags & CIR_PORT) && pnp_port_valid(dev, 2)) {
+                uart.port.iobase = pnp_port_start(dev, 2);
+                uart.port.iotype = UPIO_PORT;
+        } else if (pnp_port_valid(dev, 0)) {
+                uart.port.iobase = pnp_port_start(dev, 0);
                 uart.port.iotype = UPIO_PORT;
         } else if (pnp_mem_valid(dev, 0)) {
                 uart.port.mapbase = pnp_mem_start(dev, 0);
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 4dc41408ecb7..30d4f7a783cd 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -886,6 +886,17 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
         serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
         /* FIFO ENABLE, DMA MODE */
 
+        up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK;
+        /*
+         * NOTE: Setting OMAP_UART_SCR_RX_TRIG_GRANU1_MASK
+         * sets Enables the granularity of 1 for TRIGGER RX
+         * level. Along with setting RX FIFO trigger level
+         * to 1 (as noted below, 16 characters) and TLR[3:0]
+         * to zero this will result RX FIFO threshold level
+         * to 1 character, instead of 16 as noted in comment
+         * below.
+         */
+
         /* Set receive FIFO threshold to 16 characters and
          * transmit FIFO threshold to 16 spaces
          */
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 8189cb6a86af..7abc5c81af2c 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -346,6 +346,7 @@ static long vfio_pci_ioctl(void *device_data,
 
                 if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) {
                         size_t size;
+                        int max = vfio_pci_get_irq_count(vdev, hdr.index);
 
                         if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL)
                                 size = sizeof(uint8_t);
@@ -355,7 +356,7 @@ static long vfio_pci_ioctl(void *device_data,
                                 return -EINVAL;
 
                         if (hdr.argsz - minsz < hdr.count * size ||
-                            hdr.count > vfio_pci_get_irq_count(vdev, hdr.index))
+                            hdr.start >= max || hdr.start + hdr.count > max)
                                 return -EINVAL;
 
                         data = memdup_user((void __user *)(arg + minsz),
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index aa85881d17b2..2647ad8e1f19 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1316,7 +1316,7 @@ static void __xen_evtchn_do_upcall(void)
 {
         int start_word_idx, start_bit_idx;
         int word_idx, bit_idx;
-        int i;
+        int i, irq;
         int cpu = get_cpu();
         struct shared_info *s = HYPERVISOR_shared_info;
         struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
@@ -1324,6 +1324,8 @@ static void __xen_evtchn_do_upcall(void)
 
         do {
                 xen_ulong_t pending_words;
+                xen_ulong_t pending_bits;
+                struct irq_desc *desc;
 
                 vcpu_info->evtchn_upcall_pending = 0;
 
@@ -1335,6 +1337,17 @@ static void __xen_evtchn_do_upcall(void)
                  * selector flag. xchg_xen_ulong must contain an
                  * appropriate barrier.
                  */
+                if ((irq = per_cpu(virq_to_irq, cpu)[VIRQ_TIMER]) != -1) {
+                        int evtchn = evtchn_from_irq(irq);
+                        word_idx = evtchn / BITS_PER_LONG;
+                        pending_bits = evtchn % BITS_PER_LONG;
+                        if (active_evtchns(cpu, s, word_idx) & (1ULL << pending_bits)) {
+                                desc = irq_to_desc(irq);
+                                if (desc)
+                                        generic_handle_irq_desc(irq, desc);
+                        }
+                }
+
                 pending_words = xchg_xen_ulong(&vcpu_info->evtchn_pending_sel, 0);
 
                 start_word_idx = __this_cpu_read(current_word_idx);
@@ -1343,7 +1356,6 @@ static void __xen_evtchn_do_upcall(void)
                 word_idx = start_word_idx;
 
                 for (i = 0; pending_words != 0; i++) {
-                        xen_ulong_t pending_bits;
                         xen_ulong_t words;
 
                         words = MASK_LSBS(pending_words, word_idx);
@@ -1372,8 +1384,7 @@ static void __xen_evtchn_do_upcall(void)
 
                         do {
                                 xen_ulong_t bits;
-                                int port, irq;
-                                struct irq_desc *desc;
+                                int port;
 
                                 bits = MASK_LSBS(pending_bits, bit_idx);
 
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 412e6eda25f8..e4141f257495 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -80,13 +80,6 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         int rc;
 
         mutex_lock(&ecryptfs_daemon_hash_mux);
-        rc = try_module_get(THIS_MODULE);
-        if (rc == 0) {
-                rc = -EIO;
-                printk(KERN_ERR "%s: Error attempting to increment module use "
-                       "count; rc = [%d]\n", __func__, rc);
-                goto out_unlock_daemon_list;
-        }
         rc = ecryptfs_find_daemon_by_euid(&daemon);
         if (!rc) {
                 rc = -EINVAL;
@@ -96,7 +89,7 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         if (rc) {
                 printk(KERN_ERR "%s: Error attempting to spawn daemon; "
                        "rc = [%d]\n", __func__, rc);
-                goto out_module_put_unlock_daemon_list;
+                goto out_unlock_daemon_list;
         }
         mutex_lock(&daemon->mux);
         if (daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN) {
@@ -108,9 +101,6 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
         atomic_inc(&ecryptfs_num_miscdev_opens);
 out_unlock_daemon:
         mutex_unlock(&daemon->mux);
-out_module_put_unlock_daemon_list:
-        if (rc)
-                module_put(THIS_MODULE);
 out_unlock_daemon_list:
         mutex_unlock(&ecryptfs_daemon_hash_mux);
         return rc;
@@ -147,7 +137,6 @@ ecryptfs_miscdev_release(struct inode *inode, struct file *file)
                        "bug.\n", __func__, rc);
                 BUG();
         }
-        module_put(THIS_MODULE);
         return rc;
 }
 
@@ -471,6 +460,7 @@ out_free:
 
 
 static const struct file_operations ecryptfs_miscdev_fops = {
+        .owner   = THIS_MODULE,
         .open    = ecryptfs_miscdev_open,
         .poll    = ecryptfs_miscdev_poll,
         .read    = ecryptfs_miscdev_read,
diff --git a/fs/namespace.c b/fs/namespace.c
index d581e45c0a9f..341d3f564082 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1690,7 +1690,7 @@ static int do_loopback(struct path *path, const char *old_name,
 
         if (IS_ERR(mnt)) {
                 err = PTR_ERR(mnt);
-                goto out;
+                goto out2;
         }
 
         err = graft_tree(mnt, path);
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index ac4fc9a8fdbc..66b6664dcd4c 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -300,7 +300,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
                            struct rpc_cred *cred)
 {
         struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
-        struct nfs_client *pos, *n, *prev = NULL;
+        struct nfs_client *pos, *prev = NULL;
         struct nfs4_setclientid_res clid = {
                 .clientid       = new->cl_clientid,
                 .confirm        = new->cl_confirm,
@@ -308,10 +308,23 @@ int nfs40_walk_client_list(struct nfs_client *new,
         int status = -NFS4ERR_STALE_CLIENTID;
 
         spin_lock(&nn->nfs_client_lock);
-        list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
+        list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
                 /* If "pos" isn't marked ready, we can't trust the
                  * remaining fields in "pos" */
-                if (pos->cl_cons_state < NFS_CS_READY)
+                if (pos->cl_cons_state > NFS_CS_READY) {
+                        atomic_inc(&pos->cl_count);
+                        spin_unlock(&nn->nfs_client_lock);
+
+                        if (prev)
+                                nfs_put_client(prev);
+                        prev = pos;
+
+                        status = nfs_wait_client_init_complete(pos);
+                        spin_lock(&nn->nfs_client_lock);
+                        if (status < 0)
+                                continue;
+                }
+                if (pos->cl_cons_state != NFS_CS_READY)
                         continue;
 
                 if (pos->rpc_ops != new->rpc_ops)
@@ -423,16 +436,16 @@ int nfs41_walk_client_list(struct nfs_client *new,
                            struct rpc_cred *cred)
 {
         struct nfs_net *nn = net_generic(new->cl_net, nfs_net_id);
-        struct nfs_client *pos, *n, *prev = NULL;
+        struct nfs_client *pos, *prev = NULL;
         int status = -NFS4ERR_STALE_CLIENTID;
 
         spin_lock(&nn->nfs_client_lock);
-        list_for_each_entry_safe(pos, n, &nn->nfs_client_list, cl_share_link) {
+        list_for_each_entry(pos, &nn->nfs_client_list, cl_share_link) {
                 /* If "pos" isn't marked ready, we can't trust the
                  * remaining fields in "pos", especially the client
                  * ID and serverowner fields.  Wait for CREATE_SESSION
                  * to finish. */
-                if (pos->cl_cons_state < NFS_CS_READY) {
+                if (pos->cl_cons_state > NFS_CS_READY) {
                         atomic_inc(&pos->cl_count);
                         spin_unlock(&nn->nfs_client_lock);
 
@@ -440,18 +453,17 @@ int nfs41_walk_client_list(struct nfs_client *new,
                                 nfs_put_client(prev);
                         prev = pos;
 
-                        nfs4_schedule_lease_recovery(pos);
                         status = nfs_wait_client_init_complete(pos);
-                        if (status < 0) {
-                                nfs_put_client(pos);
-                                spin_lock(&nn->nfs_client_lock);
-                                continue;
+                        if (status == 0) {
+                                nfs4_schedule_lease_recovery(pos);
+                                status = nfs4_wait_clnt_recover(pos);
                         }
-                        status = pos->cl_cons_state;
                         spin_lock(&nn->nfs_client_lock);
                         if (status < 0)
                                 continue;
                 }
+                if (pos->cl_cons_state != NFS_CS_READY)
+                        continue;
 
                 if (pos->rpc_ops != new->rpc_ops)
                         continue;
@@ -469,17 +481,18 @@ int nfs41_walk_client_list(struct nfs_client *new,
                         continue;
 
                 atomic_inc(&pos->cl_count);
-                spin_unlock(&nn->nfs_client_lock);
+                *result = pos;
+                status = 0;
                 dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
                         __func__, pos, atomic_read(&pos->cl_count));
-
-                *result = pos;
-                return 0;
+                break;
         }
 
         /* No matching nfs_client found. */
         spin_unlock(&nn->nfs_client_lock);
         dprintk("NFS: <-- %s status = %d\n", __func__, status);
+        if (prev)
+                nfs_put_client(prev);
         return status;
 }
 #endif  /* CONFIG_NFS_V4_1 */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 26431cf62ddb..0ad025eb523b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1046,6 +1046,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata)
                 /* Save the delegation */
                 nfs4_stateid_copy(&stateid, &delegation->stateid);
                 rcu_read_unlock();
+                nfs_release_seqid(opendata->o_arg.seqid);
                 ret = nfs_may_open(state->inode, state->owner->so_cred, open_mode);
                 if (ret != 0)
                         goto out;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 6ace365c6334..d41a3518509f 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1886,7 +1886,13 @@ again:
                         status = PTR_ERR(clnt);
                         break;
                 }
-                clp->cl_rpcclient = clnt;
+                /* Note: this is safe because we haven't yet marked the
+                 * client as ready, so we are the only user of
+                 * clp->cl_rpcclient
+                 */
+                clnt = xchg(&clp->cl_rpcclient, clnt);
+                rpc_shutdown_client(clnt);
+                clnt = clp->cl_rpcclient;
                 goto again;
 
         case -NFS4ERR_MINOR_VERS_MISMATCH:
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 4b3b3ffb52f1..21e1a8f1659d 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -755,37 +755,8 @@ void pde_put(struct proc_dir_entry *pde)
                 free_proc_entry(pde);
 }
 
-/*
- * Remove a /proc entry and free it if it's not currently in use.
- */
-void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+static void entry_rundown(struct proc_dir_entry *de)
 {
-        struct proc_dir_entry **p;
-        struct proc_dir_entry *de = NULL;
-        const char *fn = name;
-        unsigned int len;
-
-        spin_lock(&proc_subdir_lock);
-        if (__xlate_proc_name(name, &parent, &fn) != 0) {
-                spin_unlock(&proc_subdir_lock);
-                return;
-        }
-        len = strlen(fn);
-
-        for (p = &parent->subdir; *p; p=&(*p)->next ) {
-                if (proc_match(len, fn, *p)) {
-                        de = *p;
-                        *p = de->next;
-                        de->next = NULL;
-                        break;
-                }
-        }
-        spin_unlock(&proc_subdir_lock);
-        if (!de) {
-                WARN(1, "name '%s'\n", name);
-                return;
-        }
-
         spin_lock(&de->pde_unload_lock);
         /*
          * Stop accepting new callers into module. If you're
@@ -817,6 +788,40 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
                 spin_lock(&de->pde_unload_lock);
         }
         spin_unlock(&de->pde_unload_lock);
+}
+
+/*
+ * Remove a /proc entry and free it if it's not currently in use.
+ */
+void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
+{
+        struct proc_dir_entry **p;
+        struct proc_dir_entry *de = NULL;
+        const char *fn = name;
+        unsigned int len;
+
+        spin_lock(&proc_subdir_lock);
+        if (__xlate_proc_name(name, &parent, &fn) != 0) {
+                spin_unlock(&proc_subdir_lock);
+                return;
+        }
+        len = strlen(fn);
+
+        for (p = &parent->subdir; *p; p=&(*p)->next ) {
+                if (proc_match(len, fn, *p)) {
+                        de = *p;
+                        *p = de->next;
+                        de->next = NULL;
+                        break;
+                }
+        }
+        spin_unlock(&proc_subdir_lock);
+        if (!de) {
+                WARN(1, "name '%s'\n", name);
+                return;
+        }
+
+        entry_rundown(de);
 
         if (S_ISDIR(de->mode))
                 parent->nlink--;
@@ -827,3 +832,57 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
         pde_put(de);
 }
 EXPORT_SYMBOL(remove_proc_entry);
+
+int remove_proc_subtree(const char *name, struct proc_dir_entry *parent)
+{
+        struct proc_dir_entry **p;
+        struct proc_dir_entry *root = NULL, *de, *next;
+        const char *fn = name;
+        unsigned int len;
+
+        spin_lock(&proc_subdir_lock);
+        if (__xlate_proc_name(name, &parent, &fn) != 0) {
+                spin_unlock(&proc_subdir_lock);
+                return -ENOENT;
+        }
+        len = strlen(fn);
+
+        for (p = &parent->subdir; *p; p=&(*p)->next ) {
+                if (proc_match(len, fn, *p)) {
+                        root = *p;
+                        *p = root->next;
+                        root->next = NULL;
+                        break;
+                }
+        }
+        if (!root) {
+                spin_unlock(&proc_subdir_lock);
+                return -ENOENT;
+        }
+        de = root;
+        while (1) {
+                next = de->subdir;
+                if (next) {
+                        de->subdir = next->next;
+                        next->next = NULL;
+                        de = next;
+                        continue;
+                }
+                spin_unlock(&proc_subdir_lock);
+
+                entry_rundown(de);
+                next = de->parent;
+                if (S_ISDIR(de->mode))
+                        next->nlink--;
+                de->nlink = 0;
+                if (de == root)
+                        break;
+                pde_put(de);
+
+                spin_lock(&proc_subdir_lock);
+                de = next;
+        }
+        pde_put(root);
+        return 0;
+}
+EXPORT_SYMBOL(remove_proc_subtree);
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8f7a3d68371a..ee0bd9524055 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -954,7 +954,7 @@ static inline int atapi_cdb_len(const u16 *dev_id)
         }
 }
 
-static inline bool atapi_command_packet_set(const u16 *dev_id)
+static inline int atapi_command_packet_set(const u16 *dev_id)
 {
         return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;
 }
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index e5ca8ef50e9b..167abf907802 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -89,6 +89,7 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip,
  *            that the call back has its own recursion protection. If it does
  *            not set this, then the ftrace infrastructure will add recursion
  *            protection for the caller.
+ * STUB   - The ftrace_ops is just a place holder.
  */
 enum {
         FTRACE_OPS_FL_ENABLED                   = 1 << 0,
@@ -98,6 +99,7 @@ enum {
         FTRACE_OPS_FL_SAVE_REGS                 = 1 << 4,
         FTRACE_OPS_FL_SAVE_REGS_IF_SUPPORTED    = 1 << 5,
         FTRACE_OPS_FL_RECURSION_SAFE            = 1 << 6,
+        FTRACE_OPS_FL_STUB                      = 1 << 7,
 };
 
 struct ftrace_ops {
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 91c9d109e5f1..eae7a053dc51 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -398,6 +398,7 @@ enum {
         ATA_HORKAGE_NOSETXFER   = (1 << 14),    /* skip SETXFER, SATA only */
         ATA_HORKAGE_BROKEN_FPDMA_AA     = (1 << 15),    /* skip AA */
         ATA_HORKAGE_DUMP_ID     = (1 << 16),    /* dump IDENTIFY data */
+        ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17),  /* Set max sects to 65535 */
 
          /* DMA mask for user DMA control: User visible values; DO NOT
             renumber */
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 5a710b9c578e..87a03c746f17 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -93,14 +93,20 @@ do { \
 
 #else /* !CONFIG_PREEMPT_COUNT */
 
-#define preempt_disable()               do { } while (0)
-#define sched_preempt_enable_no_resched()       do { } while (0)
-#define preempt_enable_no_resched()     do { } while (0)
-#define preempt_enable()                do { } while (0)
-
-#define preempt_disable_notrace()               do { } while (0)
-#define preempt_enable_no_resched_notrace()     do { } while (0)
-#define preempt_enable_notrace()                do { } while (0)
+/*
+ * Even if we don't have any preemption, we need preempt disable/enable
+ * to be barriers, so that we don't have things like get_user/put_user
+ * that can cause faults and scheduling migrate into our preempt-protected
+ * region.
+ */
+#define preempt_disable()               barrier()
+#define sched_preempt_enable_no_resched()       barrier()
+#define preempt_enable_no_resched()     barrier()
+#define preempt_enable()                barrier()
+
+#define preempt_disable_notrace()               barrier()
+#define preempt_enable_no_resched_notrace()     barrier()
+#define preempt_enable_notrace()                barrier()
 
 #endif /* CONFIG_PREEMPT_COUNT */
 
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 8307f2f94d86..94dfb2aa5533 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -117,6 +117,7 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
                                 const struct file_operations *proc_fops,
                                 void *data);
 extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
+extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
 
 struct pid_namespace;
 
@@ -202,6 +203,7 @@ static inline struct proc_dir_entry *proc_create_data(const char *name,
         return NULL;
 }
 #define remove_proc_entry(name, parent) do {} while (0)
+#define remove_proc_subtree(name, parent) do {} while (0)
 
 static inline struct proc_dir_entry *proc_symlink(const char *name,
                 struct proc_dir_entry *parent,const char *dest) {return NULL;}
diff --git a/include/linux/security.h b/include/linux/security.h
index eee7478cda70..032c366ef1c6 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1012,6 +1012,10 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      This hook can be used by the module to update any security state
  *      associated with the TUN device's security structure.
  *      @security pointer to the TUN devices's security structure.
+ * @skb_owned_by:
+ *      This hook sets the packet's owning sock.
+ *      @skb is the packet.
+ *      @sk the sock which owns the packet.
  *
  * Security hooks for XFRM operations.
  *
@@ -1638,6 +1642,7 @@ struct security_operations {
         int (*tun_dev_attach_queue) (void *security);
         int (*tun_dev_attach) (struct sock *sk, void *security);
         int (*tun_dev_open) (void *security);
+        void (*skb_owned_by) (struct sk_buff *skb, struct sock *sk);
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -2588,6 +2593,8 @@ int security_tun_dev_attach_queue(void *security);
 int security_tun_dev_attach(struct sock *sk, void *security);
 int security_tun_dev_open(void *security);
 
+void security_skb_owned_by(struct sk_buff *skb, struct sock *sk);
+
 #else   /* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct sock *sock,
                                                struct sock *other,
@@ -2779,6 +2786,11 @@ static inline int security_tun_dev_open(void *security)
 {
         return 0;
 }
+
+static inline void security_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index a26e2fb604e6..e2369c167dbd 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -16,7 +16,10 @@
  * In the debug case, 1 means unlocked, 0 means locked. (the values
  * are inverted, to catch initialization bugs)
  *
- * No atomicity anywhere, we are on UP.
+ * No atomicity anywhere, we are on UP. However, we still need
+ * the compiler barriers, because we do not want the compiler to
+ * move potentially faulting instructions (notably user accesses)
+ * into the locked sequence, resulting in non-atomic execution.
  */
 
 #ifdef CONFIG_DEBUG_SPINLOCK
@@ -25,6 +28,7 @@
 static inline void arch_spin_lock(arch_spinlock_t *lock)
 {
         lock->slock = 0;
+        barrier();
 }
 
 static inline void
@@ -32,6 +36,7 @@ arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
 {
         local_irq_save(flags);
         lock->slock = 0;
+        barrier();
 }
 
 static inline int arch_spin_trylock(arch_spinlock_t *lock)
@@ -39,32 +44,34 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
         char oldval = lock->slock;
 
         lock->slock = 0;
+        barrier();
 
         return oldval > 0;
 }
 
 static inline void arch_spin_unlock(arch_spinlock_t *lock)
 {
+        barrier();
         lock->slock = 1;
 }
 
 /*
  * Read-write spinlocks. No debug version.
  */
-#define arch_read_lock(lock)            do { (void)(lock); } while (0)
-#define arch_write_lock(lock)           do { (void)(lock); } while (0)
-#define arch_read_trylock(lock) ({ (void)(lock); 1; })
-#define arch_write_trylock(lock)        ({ (void)(lock); 1; })
-#define arch_read_unlock(lock)          do { (void)(lock); } while (0)
-#define arch_write_unlock(lock) do { (void)(lock); } while (0)
+#define arch_read_lock(lock)            do { barrier(); (void)(lock); } while (0)
+#define arch_write_lock(lock)           do { barrier(); (void)(lock); } while (0)
+#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; })
+#define arch_write_trylock(lock)        ({ barrier(); (void)(lock); 1; })
+#define arch_read_unlock(lock)          do { barrier(); (void)(lock); } while (0)
+#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0)
 
 #else /* DEBUG_SPINLOCK */
 #define arch_spin_is_locked(lock)       ((void)(lock), 0)
 /* for sched.c and kernel_lock.c: */
-# define arch_spin_lock(lock)           do { (void)(lock); } while (0)
-# define arch_spin_lock_flags(lock, flags)      do { (void)(lock); } while (0)
-# define arch_spin_unlock(lock) do { (void)(lock); } while (0)
-# define arch_spin_trylock(lock)        ({ (void)(lock); 1; })
+# define arch_spin_lock(lock)           do { barrier(); (void)(lock); } while (0)
+# define arch_spin_lock_flags(lock, flags)      do { barrier(); (void)(lock); } while (0)
+# define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
+# define arch_spin_trylock(lock)        ({ barrier(); (void)(lock); 1; })
 #endif /* DEBUG_SPINLOCK */
 
 #define arch_spin_is_contended(lock)    (((void)(lock), 0))
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index cc7c19732389..714cc9a54a4c 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -130,6 +130,14 @@ struct iucv_sock {
                                                enum iucv_tx_notify n);
 };
 
+struct iucv_skb_cb {
+        u32     class;          /* target class of message */
+        u32     tag;            /* tag associated with message */
+        u32     offset;         /* offset for skb receival */
+};
+
+#define IUCV_SKB_CB(__skb)      ((struct iucv_skb_cb *)&((__skb)->cb[0]))
+
 /* iucv socket options (SOL_IUCV) */
 #define SO_IPRMDATA_MSG 0x0080          /* send/recv IPRM_DATA msgs */
 #define SO_MSGLIMIT     0x1000          /* get/set IUCV MSGLIMIT */
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 6893d5a2bf08..926ebfb74936 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -66,7 +66,7 @@
 
 static struct ftrace_ops ftrace_list_end __read_mostly = {
         .func           = ftrace_stub,
-        .flags          = FTRACE_OPS_FL_RECURSION_SAFE,
+        .flags          = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_STUB,
 };
 
 /* ftrace_enabled is a method to turn ftrace on or off */
@@ -694,7 +694,6 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat)
                 free_page(tmp);
         }
 
-        free_page((unsigned long)stat->pages);
         stat->pages = NULL;
         stat->start = NULL;
 
@@ -4131,7 +4130,8 @@ ftrace_ops_control_func(unsigned long ip, unsigned long parent_ip,
         preempt_disable_notrace();
         trace_recursion_set(TRACE_CONTROL_BIT);
         do_for_each_ftrace_op(op, ftrace_control_list) {
-                if (!ftrace_function_local_disabled(op) &&
+                if (!(op->flags & FTRACE_OPS_FL_STUB) &&
+                    !ftrace_function_local_disabled(op) &&
                     ftrace_ops_test(op, ip))
                         op->func(ip, parent_ip, op, regs);
         } while_for_each_ftrace_op(op);
@@ -4555,12 +4555,8 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
                 ftrace_startup_sysctl();
 
                 /* we are starting ftrace again */
-                if (ftrace_ops_list != &ftrace_list_end) {
-                        if (ftrace_ops_list->next == &ftrace_list_end)
-                                ftrace_trace_function = ftrace_ops_list->func;
-                        else
-                                ftrace_trace_function = ftrace_ops_list_func;
-                }
+                if (ftrace_ops_list != &ftrace_list_end)
+                        update_ftrace_function();
 
         } else {
                 /* stopping ftrace calls (just send to ftrace_stub) */
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4f1dade56981..7ba7fc76f9eb 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -744,8 +744,11 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
                 return;
 
         WARN_ON_ONCE(!irqs_disabled());
-        if (WARN_ON_ONCE(!current_trace->allocated_snapshot))
+        if (!current_trace->allocated_snapshot) {
+                /* Only the nop tracer should hit this when disabling */
+                WARN_ON_ONCE(current_trace != &nop_trace);
                 return;
+        }
 
         arch_spin_lock(&ftrace_max_lock);
 
diff --git a/net/atm/common.c b/net/atm/common.c
index 7b491006eaf4..737bef59ce89 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -531,6 +531,8 @@ int vcc_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
         struct sk_buff *skb;
         int copied, error = -EINVAL;
 
+        msg->msg_namelen = 0;
+
         if (sock->state != SS_CONNECTED)
                 return -ENOTCONN;
 
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 7b11f8bc5071..e277e38f736b 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1642,6 +1642,7 @@ static int ax25_recvmsg(struct kiocb *iocb, struct socket *sock,
                 ax25_address src;
                 const unsigned char *mac = skb_mac_header(skb);
 
+                memset(sax, 0, sizeof(struct full_sockaddr_ax25));
                 ax25_addr_parse(mac + 1, skb->data - mac - 1, &src, NULL,
                                 &digi, NULL, NULL);
                 sax->sax25_family = AF_AX25;
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d3ee69b35a78..0d1b08cc76e1 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -230,6 +230,8 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
         if (flags & (MSG_OOB))
                 return -EOPNOTSUPP;
 
+        msg->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags, noblock, &err);
         if (!skb) {
                 if (sk->sk_shutdown & RCV_SHUTDOWN)
@@ -237,8 +239,6 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 return err;
         }
 
-        msg->msg_namelen = 0;
-
         copied = skb->len;
         if (len < copied) {
                 msg->msg_flags |= MSG_TRUNC;
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c23bae86263b..7c9224bcce17 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -608,6 +608,7 @@ static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
                 rfcomm_dlc_accept(d);
+                msg->msg_namelen = 0;
                 return 0;
         }
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index fad0302bdb32..fb6192c9812e 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -665,6 +665,7 @@ static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
             test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) {
                 hci_conn_accept(pi->conn->hcon, 0);
                 sk->sk_state = BT_CONFIG;
+                msg->msg_namelen = 0;
 
                 release_sock(sk);
                 return 0;
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 095259f83902..ff2ff3ce6965 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -286,6 +286,8 @@ static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct socket *sock,
         if (m->msg_flags&MSG_OOB)
                 goto read_error;
 
+        m->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags, 0 , &ret);
         if (!skb)
                 goto read_error;
diff --git a/net/can/gw.c b/net/can/gw.c
index 2d117dc5ebea..117814a7e73c 100644
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -466,7 +466,7 @@ static int cgw_notifier(struct notifier_block *nb,
                         if (gwj->src.dev == dev || gwj->dst.dev == dev) {
                                 hlist_del(&gwj->list);
                                 cgw_unregister_filter(gwj);
-                                kfree(gwj);
+                                kmem_cache_free(cgw_cache, gwj);
                         }
                 }
         }
@@ -864,7 +864,7 @@ static void cgw_remove_all_jobs(void)
         hlist_for_each_entry_safe(gwj, nx, &cgw_list, list) {
                 hlist_del(&gwj->list);
                 cgw_unregister_filter(gwj);
-                kfree(gwj);
+                kmem_cache_free(cgw_cache, gwj);
         }
 }
 
@@ -920,7 +920,7 @@ static int cgw_remove_job(struct sk_buff *skb,  struct nlmsghdr *nlh, void *arg)
 
                 hlist_del(&gwj->list);
                 cgw_unregister_filter(gwj);
-                kfree(gwj);
+                kmem_cache_free(cgw_cache, gwj);
                 err = 0;
                 break;
         }
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b65441da74ab..23854b51a259 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1072,7 +1072,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
         rcu_read_lock();
         cb->seq = net->dev_base_seq;
 
-        if (nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+        if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
                         ifla_policy) >= 0) {
 
                 if (tb[IFLA_EXT_MASK])
@@ -1922,7 +1922,7 @@ static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
         u32 ext_filter_mask = 0;
         u16 min_ifinfo_dump_size = 0;
 
-        if (nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+        if (nlmsg_parse(nlh, sizeof(struct ifinfomsg), tb, IFLA_MAX,
                         ifla_policy) >= 0) {
                 if (tb[IFLA_EXT_MASK])
                         ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 96083b7a436b..c6287cd978c2 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -587,13 +587,16 @@ static void check_lifetime(struct work_struct *work)
 {
         unsigned long now, next, next_sec, next_sched;
         struct in_ifaddr *ifa;
+        struct hlist_node *n;
         int i;
 
         now = jiffies;
         next = round_jiffies_up(now + ADDR_CHECK_FREQUENCY);
 
-        rcu_read_lock();
         for (i = 0; i < IN4_ADDR_HSIZE; i++) {
+                bool change_needed = false;
+
+                rcu_read_lock();
                 hlist_for_each_entry_rcu(ifa, &inet_addr_lst[i], hash) {
                         unsigned long age;
 
@@ -606,16 +609,7 @@ static void check_lifetime(struct work_struct *work)
 
                         if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME &&
                             age >= ifa->ifa_valid_lft) {
-                                struct in_ifaddr **ifap ;
-
-                                rtnl_lock();
-                                for (ifap = &ifa->ifa_dev->ifa_list;
-                                     *ifap != NULL; ifap = &ifa->ifa_next) {
-                                        if (*ifap == ifa)
-                                                inet_del_ifa(ifa->ifa_dev,
-                                                             ifap, 1);
-                                }
-                                rtnl_unlock();
+                                change_needed = true;
                         } else if (ifa->ifa_preferred_lft ==
                                    INFINITY_LIFE_TIME) {
                                 continue;
@@ -625,10 +619,8 @@ static void check_lifetime(struct work_struct *work)
                                         next = ifa->ifa_tstamp +
                                                ifa->ifa_valid_lft * HZ;
 
-                                if (!(ifa->ifa_flags & IFA_F_DEPRECATED)) {
-                                        ifa->ifa_flags |= IFA_F_DEPRECATED;
-                                        rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
-                                }
+                                if (!(ifa->ifa_flags & IFA_F_DEPRECATED))
+                                        change_needed = true;
                         } else if (time_before(ifa->ifa_tstamp +
                                                ifa->ifa_preferred_lft * HZ,
                                                next)) {
@@ -636,8 +628,42 @@ static void check_lifetime(struct work_struct *work)
                                        ifa->ifa_preferred_lft * HZ;
                         }
                 }
+                rcu_read_unlock();
+                if (!change_needed)
+                        continue;
+                rtnl_lock();
+                hlist_for_each_entry_safe(ifa, n, &inet_addr_lst[i], hash) {
+                        unsigned long age;
+
+                        if (ifa->ifa_flags & IFA_F_PERMANENT)
+                                continue;
+
+                        /* We try to batch several events at once. */
+                        age = (now - ifa->ifa_tstamp +
+                               ADDRCONF_TIMER_FUZZ_MINUS) / HZ;
+
+                        if (ifa->ifa_valid_lft != INFINITY_LIFE_TIME &&
+                            age >= ifa->ifa_valid_lft) {
+                                struct in_ifaddr **ifap;
+
+                                for (ifap = &ifa->ifa_dev->ifa_list;
+                                     *ifap != NULL; ifap = &(*ifap)->ifa_next) {
+                                        if (*ifap == ifa) {
+                                                inet_del_ifa(ifa->ifa_dev,
+                                                             ifap, 1);
+                                                break;
+                                        }
+                                }
+                        } else if (ifa->ifa_preferred_lft !=
+                                   INFINITY_LIFE_TIME &&
+                                   age >= ifa->ifa_preferred_lft &&
+                                   !(ifa->ifa_flags & IFA_F_DEPRECATED)) {
+                                ifa->ifa_flags |= IFA_F_DEPRECATED;
+                                rtmsg_ifa(RTM_NEWADDR, ifa, NULL, 0);
+                        }
+                }
+                rtnl_unlock();
         }
-        rcu_read_unlock();
 
         next_sec = round_jiffies_up(next);
         next_sched = next;
@@ -804,6 +830,8 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg
                         return -EEXIST;
                 ifa = ifa_existing;
                 set_ifa_lifetime(ifa, valid_lft, prefered_lft);
+                cancel_delayed_work(&check_lifetime_work);
+                schedule_delayed_work(&check_lifetime_work, 0);
                 rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid);
                 blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa);
         }
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5d0b4387cba6..b44cf81d8178 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2709,6 +2709,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         skb_reserve(skb, MAX_TCP_HEADER);
 
         skb_dst_set(skb, dst);
+        security_skb_owned_by(skb, sk);
 
         mss = dst_metric_advmss(dst);
         if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index f6d629fd6aee..46a5be85be87 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -386,6 +386,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
                 if (dst)
                         dst->ops->redirect(dst, sk, skb);
+                goto out;
         }
 
         if (type == ICMPV6_PKT_TOOBIG) {
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index d28e7f014cc6..e493b3397ae3 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1386,6 +1386,8 @@ static int irda_recvmsg_dgram(struct kiocb *iocb, struct socket *sock,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
+        msg->msg_namelen = 0;
+
         skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
                                 flags & MSG_DONTWAIT, &err);
         if (!skb)
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index a7d11ffe4284..206ce6db2c36 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -49,12 +49,6 @@ static const u8 iprm_shutdown[8] =
 
 #define TRGCLS_SIZE     (sizeof(((struct iucv_message *)0)->class))
 
-/* macros to set/get socket control buffer at correct offset */
-#define CB_TAG(skb)     ((skb)->cb)             /* iucv message tag */
-#define CB_TAG_LEN      (sizeof(((struct iucv_message *) 0)->tag))
-#define CB_TRGCLS(skb)  ((skb)->cb + CB_TAG_LEN) /* iucv msg target class */
-#define CB_TRGCLS_LEN   (TRGCLS_SIZE)
-
 #define __iucv_sock_wait(sk, condition, timeo, ret)                     \
 do {                                                                    \
         DEFINE_WAIT(__wait);                                            \
@@ -1141,7 +1135,7 @@ static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 
         /* increment and save iucv message tag for msg_completion cbk */
         txmsg.tag = iucv->send_tag++;
-        memcpy(CB_TAG(skb), &txmsg.tag, CB_TAG_LEN);
+        IUCV_SKB_CB(skb)->tag = txmsg.tag;
 
         if (iucv->transport == AF_IUCV_TRANS_HIPER) {
                 atomic_inc(&iucv->msg_sent);
@@ -1224,7 +1218,7 @@ static int iucv_fragment_skb(struct sock *sk, struct sk_buff *skb, int len)
                         return -ENOMEM;
 
                 /* copy target class to control buffer of new skb */
-                memcpy(CB_TRGCLS(nskb), CB_TRGCLS(skb), CB_TRGCLS_LEN);
+                IUCV_SKB_CB(nskb)->class = IUCV_SKB_CB(skb)->class;
 
                 /* copy data fragment */
                 memcpy(nskb->data, skb->data + copied, size);
@@ -1256,7 +1250,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
 
         /* store msg target class in the second 4 bytes of skb ctrl buffer */
         /* Note: the first 4 bytes are reserved for msg tag */
-        memcpy(CB_TRGCLS(skb), &msg->class, CB_TRGCLS_LEN);
+        IUCV_SKB_CB(skb)->class = msg->class;
 
         /* check for special IPRM messages (e.g. iucv_sock_shutdown) */
         if ((msg->flags & IUCV_IPRMDATA) && len > 7) {
@@ -1292,6 +1286,7 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
                 }
         }
 
+        IUCV_SKB_CB(skb)->offset = 0;
         if (sock_queue_rcv_skb(sk, skb))
                 skb_queue_head(&iucv_sk(sk)->backlog_skb_q, skb);
 }
@@ -1327,6 +1322,9 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
         unsigned int copied, rlen;
         struct sk_buff *skb, *rskb, *cskb;
         int err = 0;
+        u32 offset;
+
+        msg->msg_namelen = 0;
 
         if ((sk->sk_state == IUCV_DISCONN) &&
             skb_queue_empty(&iucv->backlog_skb_q) &&
@@ -1346,13 +1344,14 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 return err;
         }
 
-        rlen   = skb->len;              /* real length of skb */
+        offset = IUCV_SKB_CB(skb)->offset;
+        rlen   = skb->len - offset;             /* real length of skb */
         copied = min_t(unsigned int, rlen, len);
         if (!rlen)
                 sk->sk_shutdown = sk->sk_shutdown | RCV_SHUTDOWN;
 
         cskb = skb;
-        if (skb_copy_datagram_iovec(cskb, 0, msg->msg_iov, copied)) {
+        if (skb_copy_datagram_iovec(cskb, offset, msg->msg_iov, copied)) {
                 if (!(flags & MSG_PEEK))
                         skb_queue_head(&sk->sk_receive_queue, skb);
                 return -EFAULT;
@@ -1370,7 +1369,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
          * get the trgcls from the control buffer of the skb due to
          * fragmentation of original iucv message. */
         err = put_cmsg(msg, SOL_IUCV, SCM_IUCV_TRGCLS,
-                        CB_TRGCLS_LEN, CB_TRGCLS(skb));
+                       sizeof(IUCV_SKB_CB(skb)->class),
+                       (void *)&IUCV_SKB_CB(skb)->class);
         if (err) {
                 if (!(flags & MSG_PEEK))
                         skb_queue_head(&sk->sk_receive_queue, skb);
@@ -1382,9 +1382,8 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
                 /* SOCK_STREAM: re-queue skb if it contains unreceived data */
                 if (sk->sk_type == SOCK_STREAM) {
-                        skb_pull(skb, copied);
-                        if (skb->len) {
-                                skb_queue_head(&sk->sk_receive_queue, skb);
+                        if (copied < rlen) {
+                                IUCV_SKB_CB(skb)->offset = offset + copied;
                                 goto done;
                         }
                 }
@@ -1403,6 +1402,7 @@ static int iucv_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
                 spin_lock_bh(&iucv->message_q.lock);
                 rskb = skb_dequeue(&iucv->backlog_skb_q);
                 while (rskb) {
+                        IUCV_SKB_CB(rskb)->offset = 0;
                         if (sock_queue_rcv_skb(sk, rskb)) {
                                 skb_queue_head(&iucv->backlog_skb_q,
                                                 rskb);
@@ -1830,7 +1830,7 @@ static void iucv_callback_txdone(struct iucv_path *path,
                 spin_lock_irqsave(&list->lock, flags);
 
                 while (list_skb != (struct sk_buff *)list) {
-                        if (!memcmp(&msg->tag, CB_TAG(list_skb), CB_TAG_LEN)) {
+                        if (msg->tag != IUCV_SKB_CB(list_skb)->tag) {
                                 this = list_skb;
                                 break;
                         }
@@ -2091,6 +2091,7 @@ static int afiucv_hs_callback_rx(struct sock *sk, struct sk_buff *skb)
         skb_pull(skb, sizeof(struct af_iucv_trans_hdr));
         skb_reset_transport_header(skb);
         skb_reset_network_header(skb);
+        IUCV_SKB_CB(skb)->offset = 0;
         spin_lock(&iucv->message_q.lock);
         if (skb_queue_empty(&iucv->backlog_skb_q)) {
                 if (sock_queue_rcv_skb(sk, skb)) {
@@ -2195,8 +2196,7 @@ static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev,
                 /* fall through and receive zero length data */
         case 0:
                 /* plain data frame */
-                memcpy(CB_TRGCLS(skb), &trans_hdr->iucv_hdr.class,
-                       CB_TRGCLS_LEN);
+                IUCV_SKB_CB(skb)->class = trans_hdr->iucv_hdr.class;
                 err = afiucv_hs_callback_rx(sk, skb);
                 break;
         default:
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index c74f5a91ff6a..b8a6039314e8 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -690,6 +690,7 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk,
                 lsa->l2tp_addr = ipv6_hdr(skb)->saddr;
                 lsa->l2tp_flowinfo = 0;
                 lsa->l2tp_scope_id = 0;
+                lsa->l2tp_conn_id = 0;
                 if (ipv6_addr_type(&lsa->l2tp_addr) & IPV6_ADDR_LINKLOCAL)
                         lsa->l2tp_scope_id = IP6CB(skb)->iif;
         }
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 88709882c464..48aaa89253e0 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -720,6 +720,8 @@ static int llc_ui_recvmsg(struct kiocb *iocb, struct socket *sock,
         int target;     /* Read at least this many bytes */
         long timeo;
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
         copied = -ENOTCONN;
         if (unlikely(sk->sk_type == SOCK_STREAM && sk->sk_state == TCP_LISTEN))
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index d1fa1d9ffd2e..103bd704b5fc 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1173,6 +1173,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
         }
 
         if (sax != NULL) {
+                memset(sax, 0, sizeof(*sax));
                 sax->sax25_family = AF_NETROM;
                 skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
                               AX25_ADDR_LEN);
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 8f025746f337..6c94447ec414 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -646,6 +646,8 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         pr_debug("%p %zu\n", sk, len);
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
 
         if (sk->sk_state == LLCP_CLOSED &&
@@ -691,6 +693,7 @@ static int llcp_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 
                 pr_debug("Datagram socket %d %d\n", ui_cb->dsap, ui_cb->ssap);
 
+                memset(sockaddr, 0, sizeof(*sockaddr));
                 sockaddr->sa_family = AF_NFC;
                 sockaddr->nfc_protocol = NFC_PROTO_NFC_DEP;
                 sockaddr->dsap = ui_cb->dsap;
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index cf68e6e4054a..9c8347451597 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1253,6 +1253,7 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
         skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
 
         if (srose != NULL) {
+                memset(srose, 0, msg->msg_namelen);
                 srose->srose_family = AF_ROSE;
                 srose->srose_addr   = rose->dest_addr;
                 srose->srose_call   = rose->dest_call;
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index dcc446e7fbf6..d5f35f15af98 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -304,10 +304,8 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
         err = rpciod_up();
         if (err)
                 goto out_no_rpciod;
-        err = -EINVAL;
-        if (!xprt)
-                goto out_no_xprt;
 
+        err = -EINVAL;
         if (args->version >= program->nrvers)
                 goto out_err;
         version = program->version[args->version];
@@ -382,10 +380,9 @@ out_no_principal:
 out_no_stats:
         kfree(clnt);
 out_err:
-        xprt_put(xprt);
-out_no_xprt:
         rpciod_down();
 out_no_rpciod:
+        xprt_put(xprt);
         return ERR_PTR(err);
 }
 
@@ -512,7 +509,7 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
         new = rpc_new_client(args, xprt);
         if (IS_ERR(new)) {
                 err = PTR_ERR(new);
-                goto out_put;
+                goto out_err;
         }
 
         atomic_inc(&clnt->cl_count);
@@ -525,8 +522,6 @@ static struct rpc_clnt *__rpc_clone_client(struct rpc_create_args *args,
         new->cl_chatty = clnt->cl_chatty;
         return new;
 
-out_put:
-        xprt_put(xprt);
 out_err:
         dprintk("RPC:       %s: returned error %d\n", __func__, err);
         return ERR_PTR(err);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index a9622b6cd916..515ce38e4f4c 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -790,6 +790,7 @@ static void set_orig_addr(struct msghdr *m, struct tipc_msg *msg)
         if (addr) {
                 addr->family = AF_TIPC;
                 addr->addrtype = TIPC_ADDR_ID;
+                memset(&addr->addr, 0, sizeof(addr->addr));
                 addr->addr.id.ref = msg_origport(msg);
                 addr->addr.id.node = msg_orignode(msg);
                 addr->addr.name.domain = 0;     /* could leave uninitialized */
@@ -904,6 +905,9 @@ static int recv_msg(struct kiocb *iocb, struct socket *sock,
                 goto exit;
         }
 
+        /* will be updated in set_orig_addr() if needed */
+        m->msg_namelen = 0;
+
         timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
 restart:
 
@@ -1013,6 +1017,9 @@ static int recv_stream(struct kiocb *iocb, struct socket *sock,
                 goto exit;
         }
 
+        /* will be updated in set_orig_addr() if needed */
+        m->msg_namelen = 0;
+
         target = sock_rcvlowat(sk, flags & MSG_WAITALL, buf_len);
         timeout = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
 
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index d8079daf1bde..7f93e2a42d7a 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1670,6 +1670,8 @@ vsock_stream_recvmsg(struct kiocb *kiocb,
         vsk = vsock_sk(sk);
         err = 0;
 
+        msg->msg_namelen = 0;
+
         lock_sock(sk);
 
         if (sk->sk_state != SS_CONNECTED) {
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 1f6508e249ae..5e04d3d96285 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -1736,6 +1736,8 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
         if (flags & MSG_OOB || flags & MSG_ERRQUEUE)
                 return -EOPNOTSUPP;
 
+        msg->msg_namelen = 0;
+
         /* Retrieve the head sk_buff from the socket's receive queue. */
         err = 0;
         skb = skb_recv_datagram(&vsk->sk, flags, noblock, &err);
@@ -1768,7 +1770,6 @@ static int vmci_transport_dgram_dequeue(struct kiocb *kiocb,
         if (err)
                 goto out;
 
-        msg->msg_namelen = 0;
         if (msg->msg_name) {
                 struct sockaddr_vm *vm_addr;
 
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 09d994d192ff..482c70e70127 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -224,6 +224,7 @@ void cfg80211_conn_work(struct work_struct *work)
         rtnl_lock();
         cfg80211_lock_rdev(rdev);
         mutex_lock(&rdev->devlist_mtx);
+        mutex_lock(&rdev->sched_scan_mtx);
 
         list_for_each_entry(wdev, &rdev->wdev_list, list) {
                 wdev_lock(wdev);
@@ -248,6 +249,7 @@ void cfg80211_conn_work(struct work_struct *work)
                 wdev_unlock(wdev);
         }
 
+        mutex_unlock(&rdev->sched_scan_mtx);
         mutex_unlock(&rdev->devlist_mtx);
         cfg80211_unlock_rdev(rdev);
         rtnl_unlock();
diff --git a/security/capability.c b/security/capability.c
index 579775088967..6783c3e6c88e 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -737,6 +737,11 @@ static int cap_tun_dev_open(void *security)
 {
         return 0;
 }
+
+static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -1071,6 +1076,7 @@ void __init security_fixup_ops(struct security_operations *ops)
         set_to_cap_if_null(ops, tun_dev_open);
         set_to_cap_if_null(ops, tun_dev_attach_queue);
         set_to_cap_if_null(ops, tun_dev_attach);
+        set_to_cap_if_null(ops, skb_owned_by);
 #endif  /* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
         set_to_cap_if_null(ops, xfrm_policy_alloc_security);
diff --git a/security/security.c b/security/security.c
index 7b88c6aeaed4..03f248b84e9f 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1290,6 +1290,11 @@ int security_tun_dev_open(void *security)
 }
 EXPORT_SYMBOL(security_tun_dev_open);
 
+void security_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+        security_ops->skb_owned_by(skb, sk);
+}
+
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 2fa28c88900c..7171a957b933 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -51,6 +51,7 @@
 #include <linux/tty.h>
 #include <net/icmp.h>
 #include <net/ip.h>             /* for local_port_range[] */
+#include <net/sock.h>
 #include <net/tcp.h>            /* struct or_callable used in sock_rcv_skb */
 #include <net/net_namespace.h>
 #include <net/netlabel.h>
@@ -4363,6 +4364,11 @@ static void selinux_inet_conn_established(struct sock *sk, struct sk_buff *skb)
         selinux_skb_peerlbl_sid(skb, family, &sksec->peer_sid);
 }
 
+static void selinux_skb_owned_by(struct sk_buff *skb, struct sock *sk)
+{
+        skb_set_owner_w(skb, sk);
+}
+
 static int selinux_secmark_relabel_packet(u32 sid)
 {
         const struct task_security_struct *__tsec;
@@ -5664,6 +5670,7 @@ static struct security_operations selinux_ops = {
         .tun_dev_attach_queue =         selinux_tun_dev_attach_queue,
         .tun_dev_attach =               selinux_tun_dev_attach,
         .tun_dev_open =                 selinux_tun_dev_open,
+        .skb_owned_by =                 selinux_skb_owned_by,
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
         .xfrm_policy_alloc_security =   selinux_xfrm_policy_alloc,