58 files changed, 523 insertions, 204 deletions

diff --git a/Documentation/credentials.txt b/Documentation/credentials.txt
index a2db3528700..995baf379c0 100644
--- a/Documentation/credentials.txt
+++ b/Documentation/credentials.txt
@@ -417,6 +417,9 @@ reference on them using:
 This does all the RCU magic inside of it.  The caller must call put_cred() on
 the credentials so obtained when they're finished with.
 
+ [*] Note: The result of __task_cred() should not be passed directly to
+     get_cred() as this may race with commit_cred().
+
 There are a couple of convenience functions to access bits of another task's
 credentials, hiding the RCU magic from the caller:
 
diff --git a/MAINTAINERS b/MAINTAINERS
index db3d0f5061f..02f75fccac2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6243,6 +6243,8 @@ F:	drivers/mmc/host/wbsd.*
 
 WATCHDOG DEVICE DRIVERS
 M:      Wim Van Sebroeck <wim@iguana.be>
+L:      linux-watchdog@vger.kernel.org
+W:      http://www.linux-watchdog.org/
 T:      git git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog.git
 S:      Maintained
 F:      Documentation/watchdog/
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 2ec3095ffb7..b280efb1fa1 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -25,6 +25,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/regulator/machine.h>
+#include <linux/regulator/tps6507x.h>
 #include <linux/mfd/tps6507x.h>
 #include <linux/input/tps6507x-ts.h>
 
@@ -469,6 +470,11 @@ struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
         },
 };
 
+/* We take advantage of the fact that both defdcdc{2,3} are tied high */
+static struct tps6507x_reg_platform_data tps6507x_platform_data = {
+        .defdcdc_default = true,
+};
+
 struct regulator_init_data tps65070_regulator_data[] = {
         /* dcdc1 */
         {
@@ -494,6 +500,7 @@ struct regulator_init_data tps65070_regulator_data[] = {
                 },
                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
                 .consumer_supplies = tps65070_dcdc2_consumers,
+                .driver_data = &tps6507x_platform_data,
         },
 
         /* dcdc3 */
@@ -507,6 +514,7 @@ struct regulator_init_data tps65070_regulator_data[] = {
                 },
                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
                 .consumer_supplies = tps65070_dcdc3_consumers,
+                .driver_data = &tps6507x_platform_data,
         },
 
         /* ldo1 */
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
index 369872f6cf7..babcceecd2e 100644
--- a/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -566,9 +566,9 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
          * Finally record data if requested.
          */
         if (record) {
-                struct perf_sample_data data = {
-                        .period = event->hw.last_period,
-                };
+                struct perf_sample_data data;
+
+                perf_sample_data_init(&data, 0);
 
                 if (perf_event_overflow(event, nmi, &data, regs)) {
                         /*
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 4f4af75b948..01ab17ae2ae 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -572,7 +572,6 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
         return NOTIFY_STOP;
 }
 
-#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
 int kgdb_ll_trap(int cmd, const char *str,
                  struct pt_regs *regs, long err, int trap, int sig)
 {
@@ -590,7 +589,6 @@ int kgdb_ll_trap(int cmd, const char *str,
 
         return __kgdb_notify(&args, cmd);
 }
-#endif /* CONFIG_KGDB_LOW_LEVEL_TRAP */
 
 static int
 kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr)
@@ -625,6 +623,12 @@ int kgdb_arch_init(void)
         return register_die_notifier(&kgdb_notifier);
 }
 
+static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+                struct perf_sample_data *data, struct pt_regs *regs)
+{
+        kgdb_ll_trap(DIE_DEBUG, "debug", regs, 0, 0, SIGTRAP);
+}
+
 void kgdb_arch_late(void)
 {
         int i, cpu;
@@ -655,6 +659,7 @@ void kgdb_arch_late(void)
                 for_each_online_cpu(cpu) {
                         pevent = per_cpu_ptr(breakinfo[i].pev, cpu);
                         pevent[0]->hw.sample_period = 1;
+                        pevent[0]->overflow_handler = kgdb_hw_overflow_handler;
                         if (pevent[0]->destroy != NULL) {
                                 pevent[0]->destroy = NULL;
                                 release_bp_slot(*pevent);
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index f39b00a46ed..1052340e680 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -336,6 +336,7 @@ static struct of_device_id mpc85xx_pci_err_of_match[] = {
         },
         {},
 };
+MODULE_DEVICE_TABLE(of, mpc85xx_pci_err_of_match);
 
 static struct of_platform_driver mpc85xx_pci_err_driver = {
         .probe = mpc85xx_pci_err_probe,
@@ -650,6 +651,7 @@ static struct of_device_id mpc85xx_l2_err_of_match[] = {
         { .compatible = "fsl,p2020-l2-cache-controller", },
         {},
 };
+MODULE_DEVICE_TABLE(of, mpc85xx_l2_err_of_match);
 
 static struct of_platform_driver mpc85xx_l2_err_driver = {
         .probe = mpc85xx_l2_err_probe,
@@ -1126,6 +1128,7 @@ static struct of_device_id mpc85xx_mc_err_of_match[] = {
         { .compatible = "fsl,p2020-memory-controller", },
         {},
 };
+MODULE_DEVICE_TABLE(of, mpc85xx_mc_err_of_match);
 
 static struct of_platform_driver mpc85xx_mc_err_driver = {
         .probe = mpc85xx_mc_err_probe,
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3ca36542e33..4e51fe3c1fc 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -893,10 +893,12 @@ EXPORT_SYMBOL_GPL(gpio_sysfs_set_active_low);
 void gpio_unexport(unsigned gpio)
 {
         struct gpio_desc        *desc;
-        int                     status = -EINVAL;
+        int                     status = 0;
 
-        if (!gpio_is_valid(gpio))
+        if (!gpio_is_valid(gpio)) {
+                status = -EINVAL;
                 goto done;
+        }
 
         mutex_lock(&sysfs_lock);
 
@@ -911,7 +913,6 @@ void gpio_unexport(unsigned gpio)
                         clear_bit(FLAG_EXPORT, &desc->flags);
                         put_device(dev);
                         device_unregister(dev);
-                        status = 0;
                 } else
                         status = -ENODEV;
         }
diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index 8bd23687c53..bb0872a6331 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -1062,6 +1062,10 @@ struct bnx2x {
 
         /* used to synchronize stats collecting */
         int                     stats_state;
+
+        /* used for synchronization of concurrent threads statistics handling */
+        spinlock_t              stats_lock;
+
         /* used by dmae command loader */
         struct dmae_command     stats_dmae;
         int                     executer_idx;
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 57ff5b3bcce..46167c08172 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -57,8 +57,8 @@
 #include "bnx2x_init_ops.h"
 #include "bnx2x_dump.h"
 
-#define DRV_MODULE_VERSION      "1.52.53-1"
-#define DRV_MODULE_RELDATE      "2010/18/04"
+#define DRV_MODULE_VERSION      "1.52.53-2"
+#define DRV_MODULE_RELDATE      "2010/21/07"
 #define BNX2X_BC_VER            0x040200
 
 #include <linux/firmware.h>
@@ -3789,6 +3789,8 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp)
                 struct eth_query_ramrod_data ramrod_data = {0};
                 int i, rc;
 
+                spin_lock_bh(&bp->stats_lock);
+
                 ramrod_data.drv_counter = bp->stats_counter++;
                 ramrod_data.collect_port = bp->port.pmf ? 1 : 0;
                 for_each_queue(bp, i)
@@ -3802,6 +3804,8 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp)
                         bp->spq_left++;
                         bp->stats_pending = 1;
                 }
+
+                spin_unlock_bh(&bp->stats_lock);
         }
 }
 
@@ -4367,6 +4371,14 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp)
         struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
         struct bnx2x_eth_stats *estats = &bp->eth_stats;
         int i;
+        u16 cur_stats_counter;
+
+        /* Make sure we use the value of the counter
+         * used for sending the last stats ramrod.
+         */
+        spin_lock_bh(&bp->stats_lock);
+        cur_stats_counter = bp->stats_counter - 1;
+        spin_unlock_bh(&bp->stats_lock);
 
         memcpy(&(fstats->total_bytes_received_hi),
                &(bnx2x_sp(bp, func_stats_base)->total_bytes_received_hi),
@@ -4394,25 +4406,22 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp)
                 u32 diff;
 
                 /* are storm stats valid? */
-                if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
-                                                        bp->stats_counter) {
+                if (le16_to_cpu(xclient->stats_counter) != cur_stats_counter) {
                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by xstorm"
                            "  xstorm counter (0x%x) != stats_counter (0x%x)\n",
-                           i, xclient->stats_counter, bp->stats_counter);
+                           i, xclient->stats_counter, cur_stats_counter + 1);
                         return -1;
                 }
-                if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
-                                                        bp->stats_counter) {
+                if (le16_to_cpu(tclient->stats_counter) != cur_stats_counter) {
                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by tstorm"
                            "  tstorm counter (0x%x) != stats_counter (0x%x)\n",
-                           i, tclient->stats_counter, bp->stats_counter);
+                           i, tclient->stats_counter, cur_stats_counter + 1);
                         return -2;
                 }
-                if ((u16)(le16_to_cpu(uclient->stats_counter) + 1) !=
-                                                        bp->stats_counter) {
+                if (le16_to_cpu(uclient->stats_counter) != cur_stats_counter) {
                         DP(BNX2X_MSG_STATS, "[%d] stats not updated by ustorm"
                            "  ustorm counter (0x%x) != stats_counter (0x%x)\n",
-                           i, uclient->stats_counter, bp->stats_counter);
+                           i, uclient->stats_counter, cur_stats_counter + 1);
                         return -4;
                 }
 
@@ -4849,16 +4858,18 @@ static const struct {
 
 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
 {
-        enum bnx2x_stats_state state = bp->stats_state;
+        enum bnx2x_stats_state state;
 
         if (unlikely(bp->panic))
                 return;
 
-        bnx2x_stats_stm[state][event].action(bp);
+        /* Protect a state change flow */
+        spin_lock_bh(&bp->stats_lock);
+        state = bp->stats_state;
         bp->stats_state = bnx2x_stats_stm[state][event].next_state;
+        spin_unlock_bh(&bp->stats_lock);
 
-        /* Make sure the state has been "changed" */
-        smp_wmb();
+        bnx2x_stats_stm[state][event].action(bp);
 
         if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
                 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
@@ -9908,6 +9919,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
 
         mutex_init(&bp->port.phy_mutex);
         mutex_init(&bp->fw_mb_mutex);
+        spin_lock_init(&bp->stats_lock);
 #ifdef BCM_CNIC
         mutex_init(&bp->cnic_mutex);
 #endif
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index df483076eda..8d7dfd2f1e9 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -822,7 +822,7 @@ static int rlb_initialize(struct bonding *bond)
 
         /*initialize packet type*/
         pk_type->type = cpu_to_be16(ETH_P_ARP);
-        pk_type->dev = NULL;
+        pk_type->dev = bond->dev;
         pk_type->func = rlb_arp_recv;
 
         /* register to receive ARPs */
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 3881918f538..cea37e0837f 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1722,6 +1722,15 @@ static int __devinit igb_probe(struct pci_dev *pdev,
         u16 eeprom_apme_mask = IGB_EEPROM_APME;
         u32 part_num;
 
+        /* Catch broken hardware that put the wrong VF device ID in
+         * the PCIe SR-IOV capability.
+         */
+        if (pdev->is_virtfn) {
+                WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n",
+                     pci_name(pdev), pdev->vendor, pdev->device);
+                return -EINVAL;
+        }
+
         err = pci_enable_device_mem(pdev);
         if (err)
                 return err;
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 7b5d9764f31..74d9b6df302 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -6492,6 +6492,15 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 #endif
         u32 part_num, eec;
 
+        /* Catch broken hardware that put the wrong VF device ID in
+         * the PCIe SR-IOV capability.
+         */
+        if (pdev->is_virtfn) {
+                WARN(1, KERN_ERR "%s (%hx:%hx) should not be a VF!\n",
+                     pci_name(pdev), pdev->vendor, pdev->device);
+                return -EINVAL;
+        }
+
         err = pci_enable_device_mem(pdev);
         if (err)
                 return err;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 87e8d4cb405..f15fe2cf72a 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -499,7 +499,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
         .ndo_validate_addr      = eth_validate_addr,
 };
 
-static void macvlan_setup(struct net_device *dev)
+void macvlan_common_setup(struct net_device *dev)
 {
         ether_setup(dev);
 
@@ -508,6 +508,12 @@ static void macvlan_setup(struct net_device *dev)
         dev->destructor         = free_netdev;
         dev->header_ops         = &macvlan_hard_header_ops,
         dev->ethtool_ops        = &macvlan_ethtool_ops;
+}
+EXPORT_SYMBOL_GPL(macvlan_common_setup);
+
+static void macvlan_setup(struct net_device *dev)
+{
+        macvlan_common_setup(dev);
         dev->tx_queue_len       = 0;
 }
 
@@ -705,7 +711,6 @@ int macvlan_link_register(struct rtnl_link_ops *ops)
         /* common fields */
         ops->priv_size          = sizeof(struct macvlan_dev);
         ops->get_tx_queues      = macvlan_get_tx_queues;
-        ops->setup              = macvlan_setup;
         ops->validate           = macvlan_validate;
         ops->maxtype            = IFLA_MACVLAN_MAX;
         ops->policy             = macvlan_policy;
@@ -719,6 +724,7 @@ EXPORT_SYMBOL_GPL(macvlan_link_register);
 
 static struct rtnl_link_ops macvlan_link_ops = {
         .kind           = "macvlan",
+        .setup          = macvlan_setup,
         .newlink        = macvlan_newlink,
         .dellink        = macvlan_dellink,
 };
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index a8a94e2f6dd..ff02b836c3c 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -180,11 +180,18 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb)
 {
         struct macvtap_queue *q = macvtap_get_queue(dev, skb);
         if (!q)
-                return -ENOLINK;
+                goto drop;
+
+        if (skb_queue_len(&q->sk.sk_receive_queue) >= dev->tx_queue_len)
+                goto drop;
 
         skb_queue_tail(&q->sk.sk_receive_queue, skb);
         wake_up_interruptible_poll(sk_sleep(&q->sk), POLLIN | POLLRDNORM | POLLRDBAND);
-        return 0;
+        return NET_RX_SUCCESS;
+
+drop:
+        kfree_skb(skb);
+        return NET_RX_DROP;
 }
 
 /*
@@ -235,8 +242,15 @@ static void macvtap_dellink(struct net_device *dev,
         macvlan_dellink(dev, head);
 }
 
+static void macvtap_setup(struct net_device *dev)
+{
+        macvlan_common_setup(dev);
+        dev->tx_queue_len = TUN_READQ_SIZE;
+}
+
 static struct rtnl_link_ops macvtap_link_ops __read_mostly = {
         .kind           = "macvtap",
+        .setup          = macvtap_setup,
         .newlink        = macvtap_newlink,
         .dellink        = macvtap_dellink,
 };
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h
index 5e52c75892d..7f3a53dcc6e 100644
--- a/drivers/net/s2io.h
+++ b/drivers/net/s2io.h
@@ -65,7 +65,7 @@ static int debug_level = ERR_DBG;
 
 /* DEBUG message print. */
 #define DBG_PRINT(dbg_level, fmt, args...) do {                 \
-        if (dbg_level >= debug_level)                           \
+        if (dbg_level <= debug_level)                           \
                 pr_info(fmt, ##args);                           \
         } while (0)
 
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 6ad6fe70631..63042596f0c 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -736,8 +736,18 @@ static __inline__ ssize_t tun_put_user(struct tun_struct *tun,
                                 gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
                         else if (sinfo->gso_type & SKB_GSO_UDP)
                                 gso.gso_type = VIRTIO_NET_HDR_GSO_UDP;
-                        else
-                                BUG();
+                        else {
+                                printk(KERN_ERR "tun: unexpected GSO type: "
+                                       "0x%x, gso_size %d, hdr_len %d\n",
+                                       sinfo->gso_type, gso.gso_size,
+                                       gso.hdr_len);
+                                print_hex_dump(KERN_ERR, "tun: ",
+                                               DUMP_PREFIX_NONE,
+                                               16, 1, skb->head,
+                                               min((int)gso.hdr_len, 64), true);
+                                WARN_ON_ONCE(1);
+                                return -EINVAL;
+                        }
                         if (sinfo->gso_type & SKB_GSO_TCP_ECN)
                                 gso.gso_type |= VIRTIO_NET_HDR_GSO_ECN;
                 } else
diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h
index 2d7c96d7e86..eb80243e22d 100644
--- a/drivers/net/wimax/i2400m/i2400m-usb.h
+++ b/drivers/net/wimax/i2400m/i2400m-usb.h
@@ -152,6 +152,7 @@ enum {
         /* Device IDs */
         USB_DEVICE_ID_I6050 = 0x0186,
         USB_DEVICE_ID_I6050_2 = 0x0188,
+        USB_DEVICE_ID_I6250 = 0x0187,
 };
 
 
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 0d5081d77dc..d3365ac85dd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -491,6 +491,7 @@ int i2400mu_probe(struct usb_interface *iface,
         switch (id->idProduct) {
         case USB_DEVICE_ID_I6050:
         case USB_DEVICE_ID_I6050_2:
+        case USB_DEVICE_ID_I6250:
                 i2400mu->i6050 = 1;
                 break;
         default:
@@ -739,6 +740,7 @@ static
 struct usb_device_id i2400mu_id_table[] = {
         { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) },
         { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050_2) },
+        { USB_DEVICE(0x8086, USB_DEVICE_ID_I6250) },
         { USB_DEVICE(0x8086, 0x0181) },
         { USB_DEVICE(0x8086, 0x1403) },
         { USB_DEVICE(0x8086, 0x1405) },
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index ca6065b71b4..e3e52913d83 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -844,9 +844,9 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
         int dma_type;
 
         if (edma)
-                dma_type = DMA_FROM_DEVICE;
-        else
                 dma_type = DMA_BIDIRECTIONAL;
+        else
+                dma_type = DMA_FROM_DEVICE;
 
         qtype = hp ? ATH9K_RX_QUEUE_HP : ATH9K_RX_QUEUE_LP;
         spin_lock_bh(&sc->rx.rxbuflock);
diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c
index 2afbeec8b79..84d3c43cf2b 100644
--- a/drivers/power/ds2782_battery.c
+++ b/drivers/power/ds2782_battery.c
@@ -43,10 +43,9 @@
 struct ds278x_info;
 
 struct ds278x_battery_ops {
-        int     (*get_current)(struct ds278x_info *info, int *current_uA);
-        int     (*get_voltage)(struct ds278x_info *info, int *voltage_uA);
-        int     (*get_capacity)(struct ds278x_info *info, int *capacity_uA);
-
+        int (*get_battery_current)(struct ds278x_info *info, int *current_uA);
+        int (*get_battery_voltage)(struct ds278x_info *info, int *voltage_uA);
+        int (*get_battery_capacity)(struct ds278x_info *info, int *capacity_uA);
 };
 
 #define to_ds278x_info(x) container_of(x, struct ds278x_info, battery)
@@ -213,11 +212,11 @@ static int ds278x_get_status(struct ds278x_info *info, int *status)
         int current_uA;
         int capacity;
 
-        err = info->ops->get_current(info, &current_uA);
+        err = info->ops->get_battery_current(info, &current_uA);
         if (err)
                 return err;
 
-        err = info->ops->get_capacity(info, &capacity);
+        err = info->ops->get_battery_capacity(info, &capacity);
         if (err)
                 return err;
 
@@ -246,15 +245,15 @@ static int ds278x_battery_get_property(struct power_supply *psy,
                 break;
 
         case POWER_SUPPLY_PROP_CAPACITY:
-                ret = info->ops->get_capacity(info, &val->intval);
+                ret = info->ops->get_battery_capacity(info, &val->intval);
                 break;
 
         case POWER_SUPPLY_PROP_VOLTAGE_NOW:
-                ret = info->ops->get_voltage(info, &val->intval);
+                ret = info->ops->get_battery_voltage(info, &val->intval);
                 break;
 
         case POWER_SUPPLY_PROP_CURRENT_NOW:
-                ret = info->ops->get_current(info, &val->intval);
+                ret = info->ops->get_battery_current(info, &val->intval);
                 break;
 
         case POWER_SUPPLY_PROP_TEMP:
@@ -307,14 +306,14 @@ enum ds278x_num_id {
 
 static struct ds278x_battery_ops ds278x_ops[] = {
         [DS2782] = {
-                .get_current  = ds2782_get_current,
-                .get_voltage  = ds2782_get_voltage,
-                .get_capacity = ds2782_get_capacity,
+                .get_battery_current  = ds2782_get_current,
+                .get_battery_voltage  = ds2782_get_voltage,
+                .get_battery_capacity = ds2782_get_capacity,
         },
         [DS2786] = {
-                .get_current  = ds2786_get_current,
-                .get_voltage  = ds2786_get_voltage,
-                .get_capacity = ds2786_get_capacity,
+                .get_battery_current  = ds2786_get_current,
+                .get_battery_voltage  = ds2786_get_voltage,
+                .get_battery_capacity = ds2786_get_capacity,
         }
 };
 
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 7b14a67bdca..11790990277 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -286,7 +286,7 @@ static int ab3100_list_voltage_regulator(struct regulator_dev *reg,
 {
         struct ab3100_regulator *abreg = reg->reg_data;
 
-        if (selector > abreg->voltages_len)
+        if (selector >= abreg->voltages_len)
                 return -EINVAL;
         return abreg->typ_voltages[selector];
 }
@@ -318,7 +318,7 @@ static int ab3100_get_voltage_regulator(struct regulator_dev *reg)
         regval &= 0xE0;
         regval >>= 5;
 
-        if (regval > abreg->voltages_len) {
+        if (regval >= abreg->voltages_len) {
                 dev_err(&reg->dev,
                         "regulator register %02x contains an illegal voltage setting\n",
                         abreg->regreg);
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 14b4576281c..8152d65220f 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -22,6 +22,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
+#include <linux/regulator/tps6507x.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/mfd/tps6507x.h>
@@ -101,9 +102,12 @@ struct tps_info {
         unsigned max_uV;
         u8 table_len;
         const u16 *table;
+
+        /* Does DCDC high or the low register defines output voltage? */
+        bool defdcdc_default;
 };
 
-static const struct tps_info tps6507x_pmic_regs[] = {
+static struct tps_info tps6507x_pmic_regs[] = {
         {
                 .name = "VDCDC1",
                 .min_uV = 725000,
@@ -145,7 +149,7 @@ struct tps6507x_pmic {
         struct regulator_desc desc[TPS6507X_NUM_REGULATOR];
         struct tps6507x_dev *mfd;
         struct regulator_dev *rdev[TPS6507X_NUM_REGULATOR];
-        const struct tps_info *info[TPS6507X_NUM_REGULATOR];
+        struct tps_info *info[TPS6507X_NUM_REGULATOR];
         struct mutex io_lock;
 };
 static inline int tps6507x_pmic_read(struct tps6507x_pmic *tps, u8 reg)
@@ -341,10 +345,16 @@ static int tps6507x_pmic_dcdc_get_voltage(struct regulator_dev *dev)
                 reg = TPS6507X_REG_DEFDCDC1;
                 break;
         case TPS6507X_DCDC_2:
-                reg = TPS6507X_REG_DEFDCDC2_LOW;
+                if (tps->info[dcdc]->defdcdc_default)
+                        reg = TPS6507X_REG_DEFDCDC2_HIGH;
+                else
+                        reg = TPS6507X_REG_DEFDCDC2_LOW;
                 break;
         case TPS6507X_DCDC_3:
-                reg = TPS6507X_REG_DEFDCDC3_LOW;
+                if (tps->info[dcdc]->defdcdc_default)
+                        reg = TPS6507X_REG_DEFDCDC3_HIGH;
+                else
+                        reg = TPS6507X_REG_DEFDCDC3_LOW;
                 break;
         default:
                 return -EINVAL;
@@ -370,10 +380,16 @@ static int tps6507x_pmic_dcdc_set_voltage(struct regulator_dev *dev,
                 reg = TPS6507X_REG_DEFDCDC1;
                 break;
         case TPS6507X_DCDC_2:
-                reg = TPS6507X_REG_DEFDCDC2_LOW;
+                if (tps->info[dcdc]->defdcdc_default)
+                        reg = TPS6507X_REG_DEFDCDC2_HIGH;
+                else
+                        reg = TPS6507X_REG_DEFDCDC2_LOW;
                 break;
         case TPS6507X_DCDC_3:
-                reg = TPS6507X_REG_DEFDCDC3_LOW;
+                if (tps->info[dcdc]->defdcdc_default)
+                        reg = TPS6507X_REG_DEFDCDC3_HIGH;
+                else
+                        reg = TPS6507X_REG_DEFDCDC3_LOW;
                 break;
         default:
                 return -EINVAL;
@@ -532,7 +548,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
 {
         struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
         static int desc_id;
-        const struct tps_info *info = &tps6507x_pmic_regs[0];
+        struct tps_info *info = &tps6507x_pmic_regs[0];
         struct regulator_init_data *init_data;
         struct regulator_dev *rdev;
         struct tps6507x_pmic *tps;
@@ -569,6 +585,12 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
         for (i = 0; i < TPS6507X_NUM_REGULATOR; i++, info++, init_data++) {
                 /* Register the regulators */
                 tps->info[i] = info;
+                if (init_data->driver_data) {
+                        struct tps6507x_reg_platform_data *data =
+                                                        init_data->driver_data;
+                        tps->info[i]->defdcdc_default = data->defdcdc_default;
+                }
+
                 tps->desc[i].name = info->name;
                 tps->desc[i].id = desc_id++;
                 tps->desc[i].n_voltages = num_voltages[i];
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 723cd1fb486..0e6ed7db936 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1495,7 +1495,7 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
         if (ret != 0) {
                 dev_err(wm8350->dev, "Failed to register regulator %d: %d\n",
                         reg, ret);
-                platform_device_del(pdev);
+                platform_device_put(pdev);
                 wm8350->pmic.pdev[reg] = NULL;
         }
 
diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index 9718aaaa821..600b890a3c1 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -168,7 +168,7 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
                 return -EIO;
         }
 
-        err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
+        err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
                 (data | RX8581_CTRL_STOP));
         if (err < 0) {
                 dev_err(&client->dev, "Unable to write control register\n");
@@ -182,6 +182,20 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
                 return -EIO;
         }
 
+        /* get VLF and clear it */
+        data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG);
+        if (data < 0) {
+                dev_err(&client->dev, "Unable to read flag register\n");
+                return -EIO;
+        }
+
+        err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
+                (data & ~(RX8581_FLAG_VLF)));
+        if (err != 0) {
+                dev_err(&client->dev, "Unable to write flag register\n");
+                return -EIO;
+        }
+
         /* Restart the clock */
         data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL);
         if (data < 0) {
@@ -189,8 +203,8 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
                 return -EIO;
         }
 
-        err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
-                (data | ~(RX8581_CTRL_STOP)));
+        err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
+                (data & ~(RX8581_CTRL_STOP)));
         if (err != 0) {
                 dev_err(&client->dev, "Unable to write control register\n");
                 return -EIO;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index e3dbeda9717..fd068bc1bd0 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -714,6 +714,14 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act)
         if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)
                 return ZFCP_ERP_FAILED;
 
+        if (mempool_resize(act->adapter->pool.status_read_data,
+                           act->adapter->stat_read_buf_num, GFP_KERNEL))
+                return ZFCP_ERP_FAILED;
+
+        if (mempool_resize(act->adapter->pool.status_read_req,
+                           act->adapter->stat_read_buf_num, GFP_KERNEL))
+                return ZFCP_ERP_FAILED;
+
         atomic_set(&act->adapter->stat_miss, act->adapter->stat_read_buf_num);
         if (zfcp_status_read_refill(act->adapter))
                 return ZFCP_ERP_FAILED;
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 9ac6a6e4a60..71663fb7731 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -496,7 +496,8 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
 
         adapter->hydra_version = bottom->adapter_type;
         adapter->timer_ticks = bottom->timer_interval;
-        adapter->stat_read_buf_num = max(bottom->status_read_buf_num, (u16)16);
+        adapter->stat_read_buf_num = max(bottom->status_read_buf_num,
+                                         (u16)FSF_STATUS_READS_RECOM);
 
         if (fc_host_permanent_port_name(shost) == -1)
                 fc_host_permanent_port_name(shost) = fc_host_port_name(shost);
@@ -719,11 +720,6 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
         zfcp_qdio_req_init(adapter->qdio, &req->qdio_req, req->req_id, sbtype,
                            req->qtcb, sizeof(struct fsf_qtcb));
 
-        if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) {
-                zfcp_fsf_req_free(req);
-                return ERR_PTR(-EIO);
-        }
-
         return req;
 }
 
@@ -981,7 +977,7 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
         }
 
         /* use single, unchained SBAL if it can hold the request */
-        if (zfcp_qdio_sg_one_sbale(sg_req) || zfcp_qdio_sg_one_sbale(sg_resp)) {
+        if (zfcp_qdio_sg_one_sbale(sg_req) && zfcp_qdio_sg_one_sbale(sg_resp)) {
                 zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
                                                 sg_req, sg_resp);
                 return 0;
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 28117e130e2..6fa5e045317 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -251,7 +251,8 @@ static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio)
         struct zfcp_qdio_queue *req_q = &qdio->req_q;
 
         spin_lock_bh(&qdio->req_q_lock);
-        if (atomic_read(&req_q->count))
+        if (atomic_read(&req_q->count) ||
+            !(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
                 return 1;
         spin_unlock_bh(&qdio->req_q_lock);
         return 0;
@@ -274,8 +275,13 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio)
         spin_unlock_bh(&qdio->req_q_lock);
         ret = wait_event_interruptible_timeout(qdio->req_q_wq,
                                zfcp_qdio_sbal_check(qdio), 5 * HZ);
+
+        if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
+                return -EIO;
+
         if (ret > 0)
                 return 0;
+
         if (!ret) {
                 atomic_inc(&qdio->req_q_full);
                 /* assume hanging outbound queue, try queue recovery */
@@ -375,6 +381,8 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio)
         atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status);
         spin_unlock_bh(&qdio->req_q_lock);
 
+        wake_up(&qdio->req_q_wq);
+
         qdio_shutdown(qdio->adapter->ccw_device,
                       QDIO_FLAG_CLEANUP_USING_CLEAR);
 
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index a864ccc0a34..989b9a8ba72 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -277,6 +277,12 @@ static int rpavscsi_init_crq_queue(struct crq_queue *queue,
                 goto reg_crq_failed;
         }
 
+        queue->cur = 0;
+        spin_lock_init(&queue->lock);
+
+        tasklet_init(&hostdata->srp_task, (void *)rpavscsi_task,
+                     (unsigned long)hostdata);
+
         if (request_irq(vdev->irq,
                         rpavscsi_handle_event,
                         0, "ibmvscsi", (void *)hostdata) != 0) {
@@ -291,15 +297,10 @@ static int rpavscsi_init_crq_queue(struct crq_queue *queue,
                 goto req_irq_failed;
         }
 
-        queue->cur = 0;
-        spin_lock_init(&queue->lock);
-
-        tasklet_init(&hostdata->srp_task, (void *)rpavscsi_task,
-                     (unsigned long)hostdata);
-
         return retrc;
 
       req_irq_failed:
+        tasklet_kill(&hostdata->srp_task);
         do {
                 rc = plpar_hcall_norets(H_FREE_CRQ, vdev->unit_address);
         } while ((rc == H_BUSY) || (H_IS_LONG_BUSY(rc)));
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 82ea4a8226b..f820cffb7f0 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -1129,20 +1129,22 @@ static int ipr_is_same_device(struct ipr_resource_entry *res,
 }
 
 /**
- * ipr_format_resource_path - Format the resource path for printing.
+ * ipr_format_res_path - Format the resource path for printing.
  * @res_path:   resource path
  * @buf:        buffer
  *
  * Return value:
  *      pointer to buffer
  **/
-static char *ipr_format_resource_path(u8 *res_path, char *buffer)
+static char *ipr_format_res_path(u8 *res_path, char *buffer, int len)
 {
         int i;
+        char *p = buffer;
 
-        sprintf(buffer, "%02X", res_path[0]);
-        for (i=1; res_path[i] != 0xff; i++)
-                sprintf(buffer, "%s-%02X", buffer, res_path[i]);
+        res_path[0] = '\0';
+        p += snprintf(p, buffer + len - p, "%02X", res_path[0]);
+        for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++)
+                p += snprintf(p, buffer + len - p, "-%02X", res_path[i]);
 
         return buffer;
 }
@@ -1187,7 +1189,8 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res,
 
                 if (res->sdev && new_path)
                         sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n",
-                                    ipr_format_resource_path(&res->res_path[0], &buffer[0]));
+                                    ipr_format_res_path(res->res_path, buffer,
+                                                        sizeof(buffer)));
         } else {
                 res->flags = cfgtew->u.cfgte->flags;
                 if (res->flags & IPR_IS_IOA_RESOURCE)
@@ -1573,7 +1576,8 @@ static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg,
                 ipr_err_separator;
 
                 ipr_err("Device %d : %s", i + 1,
-                         ipr_format_resource_path(&dev_entry->res_path[0], &buffer[0]));
+                         ipr_format_res_path(dev_entry->res_path, buffer,
+                                             sizeof(buffer)));
                 ipr_log_ext_vpd(&dev_entry->vpd);
 
                 ipr_err("-----New Device Information-----\n");
@@ -1919,13 +1923,14 @@ static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb,
 
                         ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n",
                                      path_active_desc[i].desc, path_state_desc[j].desc,
-                                     ipr_format_resource_path(&fabric->res_path[0], &buffer[0]));
+                                     ipr_format_res_path(fabric->res_path, buffer,
+                                                         sizeof(buffer)));
                         return;
                 }
         }
 
         ipr_err("Path state=%02X Resource Path=%s\n", path_state,
-                ipr_format_resource_path(&fabric->res_path[0], &buffer[0]));
+                ipr_format_res_path(fabric->res_path, buffer, sizeof(buffer)));
 }
 
 static const struct {
@@ -2066,7 +2071,8 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb,
 
                         ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n",
                                      path_status_desc[j].desc, path_type_desc[i].desc,
-                                     ipr_format_resource_path(&cfg->res_path[0], &buffer[0]),
+                                     ipr_format_res_path(cfg->res_path, buffer,
+                                                         sizeof(buffer)),
                                      link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
                                      be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
                         return;
@@ -2074,7 +2080,7 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb,
         }
         ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s "
                      "WWN=%08X%08X\n", cfg->type_status,
-                     ipr_format_resource_path(&cfg->res_path[0], &buffer[0]),
+                     ipr_format_res_path(cfg->res_path, buffer, sizeof(buffer)),
                      link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
                      be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
 }
@@ -2139,7 +2145,7 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg,
 
         ipr_err("RAID %s Array Configuration: %s\n",
                 error->protection_level,
-                ipr_format_resource_path(&error->last_res_path[0], &buffer[0]));
+                ipr_format_res_path(error->last_res_path, buffer, sizeof(buffer)));
 
         ipr_err_separator;
 
@@ -2160,9 +2166,11 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg,
                 ipr_err("Array Member %d:\n", i);
                 ipr_log_ext_vpd(&array_entry->vpd);
                 ipr_err("Current Location: %s",
-                         ipr_format_resource_path(&array_entry->res_path[0], &buffer[0]));
+                         ipr_format_res_path(array_entry->res_path, buffer,
+                                             sizeof(buffer)));
                 ipr_err("Expected Location: %s",
-                         ipr_format_resource_path(&array_entry->expected_res_path[0], &buffer[0]));
+                         ipr_format_res_path(array_entry->expected_res_path,
+                                             buffer, sizeof(buffer)));
 
                 ipr_err_separator;
         }
@@ -4079,7 +4087,8 @@ static struct device_attribute ipr_adapter_handle_attr = {
 };
 
 /**
- * ipr_show_resource_path - Show the resource path for this device.
+ * ipr_show_resource_path - Show the resource path or the resource address for
+ *                          this device.
  * @dev:        device struct
  * @buf:        buffer
  *
@@ -4097,9 +4106,14 @@ static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribut
 
         spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
         res = (struct ipr_resource_entry *)sdev->hostdata;
-        if (res)
+        if (res && ioa_cfg->sis64)
                 len = snprintf(buf, PAGE_SIZE, "%s\n",
-                               ipr_format_resource_path(&res->res_path[0], &buffer[0]));
+                               ipr_format_res_path(res->res_path, buffer,
+                                                   sizeof(buffer)));
+        else if (res)
+                len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no,
+                               res->bus, res->target, res->lun);
+
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
         return len;
 }
@@ -4351,7 +4365,8 @@ static int ipr_slave_configure(struct scsi_device *sdev)
                         scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
                 if (ioa_cfg->sis64)
                         sdev_printk(KERN_INFO, sdev, "Resource path: %s\n",
-                                    ipr_format_resource_path(&res->res_path[0], &buffer[0]));
+                                    ipr_format_res_path(res->res_path, buffer,
+                                                        sizeof(buffer)));
                 return 0;
         }
         spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 9ecd2259eb3..b965f3587c9 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1684,8 +1684,9 @@ struct ipr_ucode_image_header {
         if (ipr_is_device(hostrcb)) {                                   \
                 if ((hostrcb)->ioa_cfg->sis64) {                        \
                         printk(KERN_ERR IPR_NAME ": %s: " fmt,          \
-                                ipr_format_resource_path(&hostrcb->hcam.u.error64.fd_res_path[0], \
-                                        &hostrcb->rp_buffer[0]),        \
+                                ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \
+                                        hostrcb->rp_buffer,             \
+                                        sizeof(hostrcb->rp_buffer)),    \
                                 __VA_ARGS__);                           \
                 } else {                                                \
                         ipr_ra_err((hostrcb)->ioa_cfg,                  \
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index d61e3b28ce3..36d961f342a 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -146,7 +146,7 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
                 while (rdir->head < rdir->tail) {
                         p9stat_init(&st);
                         err = p9stat_read(rdir->buf + rdir->head,
-                                                buflen - rdir->head, &st,
+                                                rdir->tail - rdir->head, &st,
                                                 fid->clnt->proto_version);
                         if (err) {
                                 P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig
index 04b8280582a..bc87b9c1d27 100644
--- a/fs/ceph/Kconfig
+++ b/fs/ceph/Kconfig
@@ -2,7 +2,7 @@ config CEPH_FS
         tristate "Ceph distributed file system (EXPERIMENTAL)"
         depends on INET && EXPERIMENTAL
         select LIBCRC32C
-        select CONFIG_CRYPTO_AES
+        select CRYPTO_AES
         help
           Choose Y or M here to include support for mounting the
           experimental Ceph distributed file system.  Ceph is an extremely
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 74144d6389f..b81be9a5648 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -627,7 +627,7 @@ retry:
         if (fmode >= 0)
                 __ceph_get_fmode(ci, fmode);
         spin_unlock(&inode->i_lock);
-        wake_up(&ci->i_cap_wq);
+        wake_up_all(&ci->i_cap_wq);
         return 0;
 }
 
@@ -1181,7 +1181,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
         }
 
         if (wake)
-                wake_up(&ci->i_cap_wq);
+                wake_up_all(&ci->i_cap_wq);
 
         return delayed;
 }
@@ -2153,7 +2153,7 @@ void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
         else if (flushsnaps)
                 ceph_flush_snaps(ci);
         if (wake)
-                wake_up(&ci->i_cap_wq);
+                wake_up_all(&ci->i_cap_wq);
         if (put)
                 iput(inode);
 }
@@ -2229,7 +2229,7 @@ void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
                 iput(inode);
         } else if (complete_capsnap) {
                 ceph_flush_snaps(ci);
-                wake_up(&ci->i_cap_wq);
+                wake_up_all(&ci->i_cap_wq);
         }
         if (drop_capsnap)
                 iput(inode);
@@ -2405,7 +2405,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
         if (queue_invalidate)
                 ceph_queue_invalidate(inode);
         if (wake)
-                wake_up(&ci->i_cap_wq);
+                wake_up_all(&ci->i_cap_wq);
 
         if (check_caps == 1)
                 ceph_check_caps(ci, CHECK_CAPS_NODELAY|CHECK_CAPS_AUTHONLY,
@@ -2460,7 +2460,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
                                          struct ceph_inode_info,
                                          i_flushing_item)->vfs_inode);
                 mdsc->num_cap_flushing--;
-                wake_up(&mdsc->cap_flushing_wq);
+                wake_up_all(&mdsc->cap_flushing_wq);
                 dout(" inode %p now !flushing\n", inode);
 
                 if (ci->i_dirty_caps == 0) {
@@ -2472,7 +2472,7 @@ static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
                 }
         }
         spin_unlock(&mdsc->cap_dirty_lock);
-        wake_up(&ci->i_cap_wq);
+        wake_up_all(&ci->i_cap_wq);
 
 out:
         spin_unlock(&inode->i_lock);
@@ -2984,6 +2984,7 @@ int ceph_encode_dentry_release(void **p, struct dentry *dentry,
                 memcpy(*p, dentry->d_name.name, dentry->d_name.len);
                 *p += dentry->d_name.len;
                 rel->dname_seq = cpu_to_le32(di->lease_seq);
+                __ceph_mdsc_drop_dentry_lease(dentry);
         }
         spin_unlock(&dentry->d_lock);
         return ret;
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index f85719310db..f94ed3c7f6a 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -266,6 +266,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
         spin_lock(&inode->i_lock);
         if ((filp->f_pos == 2 || fi->dentry) &&
             !ceph_test_opt(client, NOASYNCREADDIR) &&
+            ceph_snap(inode) != CEPH_SNAPDIR &&
             (ci->i_ceph_flags & CEPH_I_COMPLETE) &&
             __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
                 err = __dcache_readdir(filp, dirent, filldir);
@@ -1013,18 +1014,22 @@ out_touch:
 
 /*
  * When a dentry is released, clear the dir I_COMPLETE if it was part
- * of the current dir gen.
+ * of the current dir gen or if this is in the snapshot namespace.
  */
 static void ceph_dentry_release(struct dentry *dentry)
 {
         struct ceph_dentry_info *di = ceph_dentry(dentry);
         struct inode *parent_inode = dentry->d_parent->d_inode;
+        u64 snapid = ceph_snap(parent_inode);
 
-        if (parent_inode) {
+        dout("dentry_release %p parent %p\n", dentry, parent_inode);
+
+        if (parent_inode && snapid != CEPH_SNAPDIR) {
                 struct ceph_inode_info *ci = ceph_inode(parent_inode);
 
                 spin_lock(&parent_inode->i_lock);
-                if (ci->i_shared_gen == di->lease_shared_gen) {
+                if (ci->i_shared_gen == di->lease_shared_gen ||
+                    snapid <= CEPH_MAXSNAP) {
                         dout(" clearing %p complete (d_release)\n",
                              parent_inode);
                         ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
@@ -1241,7 +1246,9 @@ struct dentry_operations ceph_dentry_ops = {
 
 struct dentry_operations ceph_snapdir_dentry_ops = {
         .d_revalidate = ceph_snapdir_d_revalidate,
+        .d_release = ceph_dentry_release,
 };
 
 struct dentry_operations ceph_snap_dentry_ops = {
+        .d_release = ceph_dentry_release,
 };
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 6251a1574b9..7c08698fad3 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -265,7 +265,7 @@ int ceph_release(struct inode *inode, struct file *file)
         kmem_cache_free(ceph_file_cachep, cf);
 
         /* wake up anyone waiting for caps on this inode */
-        wake_up(&ci->i_cap_wq);
+        wake_up_all(&ci->i_cap_wq);
         return 0;
 }
 
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 8f9b9fe8ef9..389f9dbd994 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1199,8 +1199,10 @@ retry_lookup:
                                 goto out;
                         }
                         err = ceph_init_dentry(dn);
-                        if (err < 0)
+                        if (err < 0) {
+                                dput(dn);
                                 goto out;
+                        }
                 } else if (dn->d_inode &&
                            (ceph_ino(dn->d_inode) != vino.ino ||
                             ceph_snap(dn->d_inode) != vino.snap)) {
@@ -1499,7 +1501,7 @@ retry:
         if (wrbuffer_refs == 0)
                 ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
         if (wake)
-                wake_up(&ci->i_cap_wq);
+                wake_up_all(&ci->i_cap_wq);
 }
 
 
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 416c08d315d..dd440bd438a 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -868,7 +868,7 @@ static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap,
 {
         struct ceph_inode_info *ci = ceph_inode(inode);
 
-        wake_up(&ci->i_cap_wq);
+        wake_up_all(&ci->i_cap_wq);
         if (arg) {
                 spin_lock(&inode->i_lock);
                 ci->i_wanted_max_size = 0;
@@ -1564,7 +1564,7 @@ static void complete_request(struct ceph_mds_client *mdsc,
         if (req->r_callback)
                 req->r_callback(mdsc, req);
         else
-                complete(&req->r_completion);
+                complete_all(&req->r_completion);
 }
 
 /*
@@ -1932,7 +1932,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
         if (head->safe) {
                 req->r_got_safe = true;
                 __unregister_request(mdsc, req);
-                complete(&req->r_safe_completion);
+                complete_all(&req->r_safe_completion);
 
                 if (req->r_got_unsafe) {
                         /*
@@ -1947,7 +1947,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 
                         /* last unsafe request during umount? */
                         if (mdsc->stopping && !__get_oldest_req(mdsc))
-                                complete(&mdsc->safe_umount_waiters);
+                                complete_all(&mdsc->safe_umount_waiters);
                         mutex_unlock(&mdsc->mutex);
                         goto out;
                 }
@@ -2126,7 +2126,7 @@ static void handle_session(struct ceph_mds_session *session,
                         pr_info("mds%d reconnect denied\n", session->s_mds);
                 remove_session_caps(session);
                 wake = 1; /* for good measure */
-                complete(&mdsc->session_close_waiters);
+                complete_all(&mdsc->session_close_waiters);
                 kick_requests(mdsc, mds);
                 break;
 
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
index cc115eafae1..54fe01c5070 100644
--- a/fs/ceph/mon_client.c
+++ b/fs/ceph/mon_client.c
@@ -345,7 +345,7 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
 
 out:
         mutex_unlock(&monc->mutex);
-        wake_up(&client->auth_wq);
+        wake_up_all(&client->auth_wq);
 }
 
 /*
@@ -462,7 +462,7 @@ static void handle_statfs_reply(struct ceph_mon_client *monc,
         }
         mutex_unlock(&monc->mutex);
         if (req) {
-                complete(&req->completion);
+                complete_all(&req->completion);
                 put_generic_request(req);
         }
         return;
@@ -718,7 +718,7 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
                                      monc->m_auth->front_max);
         if (ret < 0) {
                 monc->client->auth_err = ret;
-                wake_up(&monc->client->auth_wq);
+                wake_up_all(&monc->client->auth_wq);
         } else if (ret > 0) {
                 __send_prepared_auth_request(monc, ret);
         } else if (!was_auth && monc->auth->ops->is_authenticated(monc->auth)) {
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 92b7251a53f..e3852234789 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -862,12 +862,12 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
         if (req->r_callback)
                 req->r_callback(req, msg);
         else
-                complete(&req->r_completion);
+                complete_all(&req->r_completion);
 
         if (flags & CEPH_OSD_FLAG_ONDISK) {
                 if (req->r_safe_callback)
                         req->r_safe_callback(req, msg);
-                complete(&req->r_safe_completion);  /* fsync waiter */
+                complete_all(&req->r_safe_completion);  /* fsync waiter */
         }
 
 done:
@@ -1083,7 +1083,7 @@ done:
         if (newmap)
                 kick_requests(osdc, NULL);
         up_read(&osdc->map_sem);
-        wake_up(&osdc->client->auth_wq);
+        wake_up_all(&osdc->client->auth_wq);
         return;
 
 bad:
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index 277f8b33957..416d46adbf8 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -831,12 +831,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                 /* remove any? */
                 while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping,
                                                 node)->pgid, pgid) <= 0) {
-                        struct rb_node *cur = rbp;
+                        struct ceph_pg_mapping *cur =
+                                rb_entry(rbp, struct ceph_pg_mapping, node);
+                        
                         rbp = rb_next(rbp);
-                        dout(" removed pg_temp %llx\n",
-                             *(u64 *)&rb_entry(cur, struct ceph_pg_mapping,
-                                               node)->pgid);
-                        rb_erase(cur, &map->pg_temp);
+                        dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);
+                        rb_erase(&cur->node, &map->pg_temp);
+                        kfree(cur);
                 }
 
                 if (pglen) {
@@ -852,19 +853,22 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                         for (j = 0; j < pglen; j++)
                                 pg->osds[j] = ceph_decode_32(p);
                         err = __insert_pg_mapping(pg, &map->pg_temp);
-                        if (err)
+                        if (err) {
+                                kfree(pg);
                                 goto bad;
+                        }
                         dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid,
                              pglen);
                 }
         }
         while (rbp) {
-                struct rb_node *cur = rbp;
+                struct ceph_pg_mapping *cur =
+                        rb_entry(rbp, struct ceph_pg_mapping, node);
+
                 rbp = rb_next(rbp);
-                dout(" removed pg_temp %llx\n",
-                     *(u64 *)&rb_entry(cur, struct ceph_pg_mapping,
-                                       node)->pgid);
-                rb_erase(cur, &map->pg_temp);
+                dout(" removed pg_temp %llx\n", *(u64 *)&cur->pgid);
+                rb_erase(&cur->node, &map->pg_temp);
+                kfree(cur);
         }
 
         /* ignore the rest */
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index 2d8dbce9d48..46c4dd8dfcc 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -31,9 +31,9 @@ static struct mutex ecryptfs_msg_ctx_lists_mux;
 
 static struct hlist_head *ecryptfs_daemon_hash;
 struct mutex ecryptfs_daemon_hash_mux;
-static int ecryptfs_hash_buckets;
+static int ecryptfs_hash_bits;
 #define ecryptfs_uid_hash(uid) \
-        hash_long((unsigned long)uid, ecryptfs_hash_buckets)
+        hash_long((unsigned long)uid, ecryptfs_hash_bits)
 
 static u32 ecryptfs_msg_counter;
 static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr;
@@ -486,18 +486,19 @@ int ecryptfs_init_messaging(void)
         }
         mutex_init(&ecryptfs_daemon_hash_mux);
         mutex_lock(&ecryptfs_daemon_hash_mux);
-        ecryptfs_hash_buckets = 1;
-        while (ecryptfs_number_of_users >> ecryptfs_hash_buckets)
-                ecryptfs_hash_buckets++;
+        ecryptfs_hash_bits = 1;
+        while (ecryptfs_number_of_users >> ecryptfs_hash_bits)
+                ecryptfs_hash_bits++;
         ecryptfs_daemon_hash = kmalloc((sizeof(struct hlist_head)
-                                        * ecryptfs_hash_buckets), GFP_KERNEL);
+                                        * (1 << ecryptfs_hash_bits)),
+                                       GFP_KERNEL);
         if (!ecryptfs_daemon_hash) {
                 rc = -ENOMEM;
                 printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
                 mutex_unlock(&ecryptfs_daemon_hash_mux);
                 goto out;
         }
-        for (i = 0; i < ecryptfs_hash_buckets; i++)
+        for (i = 0; i < (1 << ecryptfs_hash_bits); i++)
                 INIT_HLIST_HEAD(&ecryptfs_daemon_hash[i]);
         mutex_unlock(&ecryptfs_daemon_hash_mux);
         ecryptfs_msg_ctx_arr = kmalloc((sizeof(struct ecryptfs_msg_ctx)
@@ -554,7 +555,7 @@ void ecryptfs_release_messaging(void)
                 int i;
 
                 mutex_lock(&ecryptfs_daemon_hash_mux);
-                for (i = 0; i < ecryptfs_hash_buckets; i++) {
+                for (i = 0; i < (1 << ecryptfs_hash_bits); i++) {
                         int rc;
 
                         hlist_for_each_entry(daemon, elem,
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 26ca3361a8b..6b48d7c268b 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1231,6 +1231,25 @@ static int do_filldir_main(struct gfs2_inode *dip, u64 *offset,
         return 0;
 }
 
+static void *gfs2_alloc_sort_buffer(unsigned size)
+{
+        void *ptr = NULL;
+
+        if (size < KMALLOC_MAX_SIZE)
+                ptr = kmalloc(size, GFP_NOFS | __GFP_NOWARN);
+        if (!ptr)
+                ptr = __vmalloc(size, GFP_NOFS, PAGE_KERNEL);
+        return ptr;
+}
+
+static void gfs2_free_sort_buffer(void *ptr)
+{
+        if (is_vmalloc_addr(ptr))
+                vfree(ptr);
+        else
+                kfree(ptr);
+}
+
 static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
                               filldir_t filldir, int *copied, unsigned *depth,
                               u64 leaf_no)
@@ -1271,7 +1290,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
          * 99 is the maximum number of entries that can fit in a single
          * leaf block.
          */
-        larr = vmalloc((leaves + entries + 99) * sizeof(void *));
+        larr = gfs2_alloc_sort_buffer((leaves + entries + 99) * sizeof(void *));
         if (!larr)
                 goto out;
         darr = (const struct gfs2_dirent **)(larr + leaves);
@@ -1282,7 +1301,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
         do {
                 error = get_leaf(ip, lfn, &bh);
                 if (error)
-                        goto out_kfree;
+                        goto out_free;
                 lf = (struct gfs2_leaf *)bh->b_data;
                 lfn = be64_to_cpu(lf->lf_next);
                 if (lf->lf_entries) {
@@ -1291,7 +1310,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
                                                 gfs2_dirent_gather, NULL, &g);
                         error = PTR_ERR(dent);
                         if (IS_ERR(dent))
-                                goto out_kfree;
+                                goto out_free;
                         if (entries2 != g.offset) {
                                 fs_warn(sdp, "Number of entries corrupt in dir "
                                                 "leaf %llu, entries2 (%u) != "
@@ -1300,7 +1319,7 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
                                         entries2, g.offset);
                                         
                                 error = -EIO;
-                                goto out_kfree;
+                                goto out_free;
                         }
                         error = 0;
                         larr[leaf++] = bh;
@@ -1312,10 +1331,10 @@ static int gfs2_dir_read_leaf(struct inode *inode, u64 *offset, void *opaque,
         BUG_ON(entries2 != entries);
         error = do_filldir_main(ip, offset, opaque, filldir, darr,
                                 entries, copied);
-out_kfree:
+out_free:
         for(i = 0; i < leaf; i++)
                 brelse(larr[i]);
-        vfree(larr);
+        gfs2_free_sort_buffer(larr);
 out:
         return error;
 }
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 9b58d38bc91..fff6572676a 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -176,7 +176,7 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
                 if (tracer)
                         tpid = task_pid_nr_ns(tracer, ns);
         }
-        cred = get_cred((struct cred *) __task_cred(p));
+        cred = get_task_cred(p);
         seq_printf(m,
                 "State:\t%s\n"
                 "Tgid:\t%d\n"
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 75c0fa88130..4d2c39573f3 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -153,6 +153,7 @@ struct cred {
 extern void __put_cred(struct cred *);
 extern void exit_creds(struct task_struct *);
 extern int copy_creds(struct task_struct *, unsigned long);
+extern const struct cred *get_task_cred(struct task_struct *);
 extern struct cred *cred_alloc_blank(void);
 extern struct cred *prepare_creds(void);
 extern struct cred *prepare_exec_creds(void);
@@ -273,33 +274,18 @@ static inline void put_cred(const struct cred *_cred)
  * @task: The task to query
  *
  * Access the objective credentials of a task.  The caller must hold the RCU
- * readlock.
+ * readlock or the task must be dead and unable to change its own credentials.
  *
- * The caller must make sure task doesn't go away, either by holding a ref on
- * task or by holding tasklist_lock to prevent it from being unlinked.
+ * The result of this function should not be passed directly to get_cred();
+ * rather get_task_cred() should be used instead.
  */
-#define __task_cred(task) \
-        ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held())))
-
-/**
- * get_task_cred - Get another task's objective credentials
- * @task: The task to query
- *
- * Get the objective credentials of a task, pinning them so that they can't go
- * away.  Accessing a task's credentials directly is not permitted.
- *
- * The caller must make sure task doesn't go away, either by holding a ref on
- * task or by holding tasklist_lock to prevent it from being unlinked.
- */
-#define get_task_cred(task)                             \
-({                                                      \
-        struct cred *__cred;                            \
-        rcu_read_lock();                                \
-        __cred = (struct cred *) __task_cred((task));   \
-        get_cred(__cred);                               \
-        rcu_read_unlock();                              \
-        __cred;                                         \
-})
+#define __task_cred(task)                                               \
+        ({                                                              \
+                const struct task_struct *__t = (task);                 \
+                rcu_dereference_check(__t->real_cred,                   \
+                                      rcu_read_lock_held() ||           \
+                                      task_is_dead(__t));               \
+        })
 
 /**
  * get_current_cred - Get the current task's subjective credentials
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 9ea047aca79..1ffaeffeff7 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -67,6 +67,8 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
         }
 }
 
+extern void macvlan_common_setup(struct net_device *dev);
+
 extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
                                   struct nlattr *tb[], struct nlattr *data[],
                                   int (*receive)(struct sk_buff *skb),
diff --git a/include/linux/regulator/tps6507x.h b/include/linux/regulator/tps6507x.h
new file mode 100644
index 00000000000..4892f591bab
--- /dev/null
+++ b/include/linux/regulator/tps6507x.h
@@ -0,0 +1,32 @@
+/*
+ * tps6507x.h  --  Voltage regulation for the Texas Instruments TPS6507X
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation
+ *
+ * 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
+ */
+
+#ifndef REGULATOR_TPS6507X
+#define REGULATOR_TPS6507X
+
+/**
+ * tps6507x_reg_platform_data - platform data for tps6507x
+ * @defdcdc_default: Defines whether DCDC high or the low register controls
+ *      output voltage by default. Valid for DCDC2 and DCDC3 outputs only.
+ */
+struct tps6507x_reg_platform_data {
+        bool defdcdc_default;
+};
+
+#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 747fcaedddb..0478888c689 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -214,6 +214,7 @@ extern char ___assert_task_state[1 - 2*!!(
 
 #define task_is_traced(task)    ((task->state & __TASK_TRACED) != 0)
 #define task_is_stopped(task)   ((task->state & __TASK_STOPPED) != 0)
+#define task_is_dead(task)      ((task)->exit_state != 0)
 #define task_is_stopped_or_traced(task) \
                         ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0)
 #define task_contributes_to_load(task)  \
diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h
index ceac661cdfd..cfe2943690f 100644
--- a/include/net/tc_act/tc_mirred.h
+++ b/include/net/tc_act/tc_mirred.h
@@ -9,6 +9,7 @@ struct tcf_mirred {
         int                     tcfm_ifindex;
         int                     tcfm_ok_push;
         struct net_device       *tcfm_dev;
+        struct list_head        tcfm_list;
 };
 #define to_mirred(pc) \
         container_of(pc, struct tcf_mirred, common)
diff --git a/kernel/cred.c b/kernel/cred.c
index a2d5504fbcc..60bc8b1e32e 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -209,6 +209,31 @@ void exit_creds(struct task_struct *tsk)
         }
 }
 
+/**
+ * get_task_cred - Get another task's objective credentials
+ * @task: The task to query
+ *
+ * Get the objective credentials of a task, pinning them so that they can't go
+ * away.  Accessing a task's credentials directly is not permitted.
+ *
+ * The caller must also make sure task doesn't get deleted, either by holding a
+ * ref on task or by holding tasklist_lock to prevent it from being unlinked.
+ */
+const struct cred *get_task_cred(struct task_struct *task)
+{
+        const struct cred *cred;
+
+        rcu_read_lock();
+
+        do {
+                cred = __task_cred((task));
+                BUG_ON(!cred);
+        } while (!atomic_inc_not_zero(&((struct cred *)cred)->usage));
+
+        rcu_read_unlock();
+        return cred;
+}
+
 /*
  * Allocate blank credentials, such that the credentials can be filled in at a
  * later date without risk of ENOMEM.
diff --git a/kernel/module.c b/kernel/module.c
index 5d2d28197c8..6c562828c85 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -787,7 +787,6 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
 
         /* Store the name of the last unloaded module for diagnostic purposes */
         strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module));
-        ddebug_remove_module(mod->name);
 
         free_module(mod);
         return 0;
@@ -1550,6 +1549,9 @@ static void free_module(struct module *mod)
         remove_sect_attrs(mod);
         mod_kobject_remove(mod);
 
+        /* Remove dynamic debug info */
+        ddebug_remove_module(mod->name);
+
         /* Arch-specific cleanup. */
         module_arch_cleanup(mod);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 0ea10f849be..1f466e82ac3 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1488,6 +1488,7 @@ static inline void net_timestamp_check(struct sk_buff *skb)
 int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
 {
         skb_orphan(skb);
+        nf_reset(skb);
 
         if (!(dev->flags & IFF_UP) ||
             (skb->len > (dev->mtu + dev->hard_header_len))) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 34432b4e96b..ce88293a34e 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -843,7 +843,9 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
         skb->network_header   += off;
         if (skb_mac_header_was_set(skb))
                 skb->mac_header += off;
-        skb->csum_start       += nhead;
+        /* Only adjust this if it actually is csum_start rather than csum */
+        if (skb->ip_summed == CHECKSUM_PARTIAL)
+                skb->csum_start += nhead;
         skb->cloned   = 0;
         skb->hdr_len  = 0;
         skb->nohdr    = 0;
@@ -930,7 +932,8 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
         copy_skb_header(n, skb);
 
         off                  = newheadroom - oldheadroom;
-        n->csum_start       += off;
+        if (n->ip_summed == CHECKSUM_PARTIAL)
+                n->csum_start += off;
 #ifdef NET_SKBUFF_DATA_USES_OFFSET
         n->transport_header += off;
         n->network_header   += off;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e1a698df570..784f34d11fd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1760,7 +1760,10 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
 
         idev = ipv6_find_idev(dev);
         if (!idev)
-                return NULL;
+                return ERR_PTR(-ENOBUFS);
+
+        if (idev->cnf.disable_ipv6)
+                return ERR_PTR(-EACCES);
 
         /* Add default multicast route */
         addrconf_add_mroute(dev);
@@ -2129,8 +2132,9 @@ static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
         if (!dev)
                 return -ENODEV;
 
-        if ((idev = addrconf_add_dev(dev)) == NULL)
-                return -ENOBUFS;
+        idev = addrconf_add_dev(dev);
+        if (IS_ERR(idev))
+                return PTR_ERR(idev);
 
         scope = ipv6_addr_scope(pfx);
 
@@ -2377,7 +2381,7 @@ static void addrconf_dev_config(struct net_device *dev)
         }
 
         idev = addrconf_add_dev(dev);
-        if (idev == NULL)
+        if (IS_ERR(idev))
                 return;
 
         memset(&addr, 0, sizeof(struct in6_addr));
@@ -2468,7 +2472,7 @@ static void addrconf_ip6_tnl_config(struct net_device *dev)
         ASSERT_RTNL();
 
         idev = addrconf_add_dev(dev);
-        if (!idev) {
+        if (IS_ERR(idev)) {
                 printk(KERN_DEBUG "init ip6-ip6: add_dev failed\n");
                 return;
         }
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c7000a6ca37..67ee34f57df 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -632,7 +632,7 @@ static void ieee80211_send_layer2_update(struct sta_info *sta)
         skb->dev = sta->sdata->dev;
         skb->protocol = eth_type_trans(skb, sta->sdata->dev);
         memset(skb->cb, 0, sizeof(skb->cb));
-        netif_rx(skb);
+        netif_rx_ni(skb);
 }
 
 static void sta_apply_parameters(struct ieee80211_local *local,
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index c0b6863e3b8..1980b71c283 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -33,6 +33,7 @@
 static struct tcf_common *tcf_mirred_ht[MIRRED_TAB_MASK + 1];
 static u32 mirred_idx_gen;
 static DEFINE_RWLOCK(mirred_lock);
+static LIST_HEAD(mirred_list);
 
 static struct tcf_hashinfo mirred_hash_info = {
         .htab   =       tcf_mirred_ht,
@@ -47,7 +48,9 @@ static inline int tcf_mirred_release(struct tcf_mirred *m, int bind)
                         m->tcf_bindcnt--;
                 m->tcf_refcnt--;
                 if(!m->tcf_bindcnt && m->tcf_refcnt <= 0) {
-                        dev_put(m->tcfm_dev);
+                        list_del(&m->tcfm_list);
+                        if (m->tcfm_dev)
+                                dev_put(m->tcfm_dev);
                         tcf_hash_destroy(&m->common, &mirred_hash_info);
                         return 1;
                 }
@@ -134,8 +137,10 @@ static int tcf_mirred_init(struct nlattr *nla, struct nlattr *est,
                 m->tcfm_ok_push = ok_push;
         }
         spin_unlock_bh(&m->tcf_lock);
-        if (ret == ACT_P_CREATED)
+        if (ret == ACT_P_CREATED) {
+                list_add(&m->tcfm_list, &mirred_list);
                 tcf_hash_insert(pc, &mirred_hash_info);
+        }
 
         return ret;
 }
@@ -162,9 +167,14 @@ static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
         m->tcf_tm.lastuse = jiffies;
 
         dev = m->tcfm_dev;
+        if (!dev) {
+                printk_once(KERN_NOTICE "tc mirred: target device is gone\n");
+                goto out;
+        }
+
         if (!(dev->flags & IFF_UP)) {
                 if (net_ratelimit())
-                        pr_notice("tc mirred to Houston: device %s is gone!\n",
+                        pr_notice("tc mirred to Houston: device %s is down\n",
                                   dev->name);
                 goto out;
         }
@@ -232,6 +242,28 @@ nla_put_failure:
         return -1;
 }
 
+static int mirred_device_event(struct notifier_block *unused,
+                               unsigned long event, void *ptr)
+{
+        struct net_device *dev = ptr;
+        struct tcf_mirred *m;
+
+        if (event == NETDEV_UNREGISTER)
+                list_for_each_entry(m, &mirred_list, tcfm_list) {
+                        if (m->tcfm_dev == dev) {
+                                dev_put(dev);
+                                m->tcfm_dev = NULL;
+                        }
+                }
+
+        return NOTIFY_DONE;
+}
+
+static struct notifier_block mirred_device_notifier = {
+        .notifier_call = mirred_device_event,
+};
+
+
 static struct tc_action_ops act_mirred_ops = {
         .kind           =       "mirred",
         .hinfo          =       &mirred_hash_info,
@@ -252,12 +284,17 @@ MODULE_LICENSE("GPL");
 
 static int __init mirred_init_module(void)
 {
+        int err = register_netdevice_notifier(&mirred_device_notifier);
+        if (err)
+                return err;
+
         pr_info("Mirror/redirect action on\n");
         return tcf_register_action(&act_mirred_ops);
 }
 
 static void __exit mirred_cleanup_module(void)
 {
+        unregister_netdevice_notifier(&mirred_device_notifier);
         tcf_unregister_action(&act_mirred_ops);
 }
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 86067ee7863..2fc53961054 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -52,6 +52,10 @@ struct hdmi_spec {
          */
         struct hda_multi_out multiout;
         unsigned int codec_type;
+
+        /* misc flags */
+        /* PD bit indicates only the update, not the current state */
+        unsigned int old_pin_detect:1;
 };
 
 
@@ -616,6 +620,9 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
  * Unsolicited events
  */
 
+static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
+                               struct hdmi_eld *eld);
+
 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 {
         struct hdmi_spec *spec = codec->spec;
@@ -632,6 +639,12 @@ static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
         if (index < 0)
                 return;
 
+        if (spec->old_pin_detect) {
+                if (pind)
+                        hdmi_present_sense(codec, tag, &spec->sink_eld[index]);
+                pind = spec->sink_eld[index].monitor_present;
+        }
+
         spec->sink_eld[index].monitor_present = pind;
         spec->sink_eld[index].eld_valid = eldv;
 
diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
index 3c10c0b149f..b0652acee9b 100644
--- a/sound/pci/hda/patch_nvhdmi.c
+++ b/sound/pci/hda/patch_nvhdmi.c
@@ -478,6 +478,7 @@ static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
 
         codec->spec = spec;
         spec->codec_type = HDA_CODEC_NVIDIA_MCP89;
+        spec->old_pin_detect = 1;
 
         if (hdmi_parse_codec(codec) < 0) {
                 codec->spec = NULL;
@@ -508,6 +509,7 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
         spec->multiout.max_channels = 8;
         spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
         spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
+        spec->old_pin_detect = 1;
 
         codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
 
@@ -528,6 +530,7 @@ static int patch_nvhdmi_2ch(struct hda_codec *codec)
         spec->multiout.max_channels = 2;
         spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
         spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
+        spec->old_pin_detect = 1;
 
         codec->patch_ops = nvhdmi_patch_ops_2ch;
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index ff614dd824c..596ea2f12cf 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1267,11 +1267,11 @@ static int alc_auto_parse_customize_define(struct hda_codec *codec)
         unsigned nid = 0;
         struct alc_spec *spec = codec->spec;
 
+        spec->cdefine.enable_pcbeep = 1; /* assume always enabled */
+
         ass = codec->subsystem_id & 0xffff;
-        if (ass != codec->bus->pci->subsystem_device && (ass & 1)) {
-                spec->cdefine.enable_pcbeep = 1; /* assume always enabled */
+        if (ass != codec->bus->pci->subsystem_device && (ass & 1))
                 goto do_sku;
-        }
 
         nid = 0x1d;
         if (codec->vendor_id == 0x10ec0260)
@@ -5180,8 +5180,24 @@ static void fillup_priv_adc_nids(struct hda_codec *codec, hda_nid_t *nids,
 #ifdef CONFIG_SND_HDA_INPUT_BEEP
 #define set_beep_amp(spec, nid, idx, dir) \
         ((spec)->beep_amp = HDA_COMPOSE_AMP_VAL(nid, 3, idx, dir))
+
+static struct snd_pci_quirk beep_white_list[] = {
+        SND_PCI_QUIRK(0x1043, 0x829f, "ASUS", 1),
+        {}
+};
+
+static inline int has_cdefine_beep(struct hda_codec *codec)
+{
+        struct alc_spec *spec = codec->spec;
+        const struct snd_pci_quirk *q;
+        q = snd_pci_quirk_lookup(codec->bus->pci, beep_white_list);
+        if (q)
+                return q->value;
+        return spec->cdefine.enable_pcbeep;
+}
 #else
 #define set_beep_amp(spec, nid, idx, dir) /* NOP */
+#define has_cdefine_beep(codec)         0
 #endif
 
 /*
@@ -10566,10 +10582,12 @@ static int patch_alc882(struct hda_codec *codec)
                 }
         }
 
-        err = snd_hda_attach_beep_device(codec, 0x1);
-        if (err < 0) {
-                alc_free(codec);
-                return err;
+        if (has_cdefine_beep(codec)) {
+                err = snd_hda_attach_beep_device(codec, 0x1);
+                if (err < 0) {
+                        alc_free(codec);
+                        return err;
+                }
         }
 
         if (board_config != ALC882_AUTO)
@@ -10619,7 +10637,7 @@ static int patch_alc882(struct hda_codec *codec)
 
         set_capture_mixer(codec);
 
-        if (spec->cdefine.enable_pcbeep)
+        if (has_cdefine_beep(codec))
                 set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
 
         if (board_config == ALC882_AUTO)
@@ -12435,7 +12453,7 @@ static int patch_alc262(struct hda_codec *codec)
                 }
         }
 
-        if (!spec->no_analog) {
+        if (!spec->no_analog && has_cdefine_beep(codec)) {
                 err = snd_hda_attach_beep_device(codec, 0x1);
                 if (err < 0) {
                         alc_free(codec);
@@ -12486,7 +12504,7 @@ static int patch_alc262(struct hda_codec *codec)
         }
         if (!spec->cap_mixer && !spec->no_analog)
                 set_capture_mixer(codec);
-        if (!spec->no_analog && spec->cdefine.enable_pcbeep)
+        if (!spec->no_analog && has_cdefine_beep(codec))
                 set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
 
         spec->vmaster_nid = 0x0c;
@@ -14458,10 +14476,12 @@ static int patch_alc269(struct hda_codec *codec)
                 }
         }
 
-        err = snd_hda_attach_beep_device(codec, 0x1);
-        if (err < 0) {
-                alc_free(codec);
-                return err;
+        if (has_cdefine_beep(codec)) {
+                err = snd_hda_attach_beep_device(codec, 0x1);
+                if (err < 0) {
+                        alc_free(codec);
+                        return err;
+                }
         }
 
         if (board_config != ALC269_AUTO)
@@ -14494,7 +14514,7 @@ static int patch_alc269(struct hda_codec *codec)
 
         if (!spec->cap_mixer)
                 set_capture_mixer(codec);
-        if (spec->cdefine.enable_pcbeep)
+        if (has_cdefine_beep(codec))
                 set_beep_amp(spec, 0x0b, 0x04, HDA_INPUT);
 
         if (board_config == ALC269_AUTO)
@@ -18691,10 +18711,12 @@ static int patch_alc662(struct hda_codec *codec)
                 }
         }
 
-        err = snd_hda_attach_beep_device(codec, 0x1);
-        if (err < 0) {
-                alc_free(codec);
-                return err;
+        if (has_cdefine_beep(codec)) {
+                err = snd_hda_attach_beep_device(codec, 0x1);
+                if (err < 0) {
+                        alc_free(codec);
+                        return err;
+                }
         }
 
         if (board_config != ALC662_AUTO)
@@ -18716,7 +18738,7 @@ static int patch_alc662(struct hda_codec *codec)
         if (!spec->cap_mixer)
                 set_capture_mixer(codec);
 
-        if (spec->cdefine.enable_pcbeep) {
+        if (has_cdefine_beep(codec)) {
                 switch (codec->vendor_id) {
                 case 0x10ec0662:
                         set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);