]> git.ipfire.org Git - people/arne_f/kernel.git/commitdiff
Merge tag 'v3.14.39' into linux-3.14.x-rpi v3.14.39-rpi
authorArne Fitzenreiter <arne_f@ipfire.org>
Tue, 21 Apr 2015 07:15:56 +0000 (09:15 +0200)
committerArne Fitzenreiter <arne_f@ipfire.org>
Tue, 21 Apr 2015 07:15:56 +0000 (09:15 +0200)
This is the 3.14.39 stable release

45 files changed:
Makefile
arch/arc/kernel/signal.c
arch/x86/kernel/reboot.c
drivers/acpi/processor_idle.c
drivers/block/nbd.c
drivers/cpuidle/cpuidle.c
drivers/cpuidle/sysfs.c
drivers/dma/omap-dma.c
drivers/gpu/drm/radeon/radeon_bios.c
drivers/iio/imu/adis_trigger.c
drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
drivers/infiniband/core/umem.c
drivers/infiniband/core/uverbs_main.c
drivers/infiniband/hw/mlx4/mad.c
drivers/media/platform/s5p-mfc/s5p_mfc_common.h
drivers/media/platform/sh_veu.c
drivers/net/can/flexcan.c
drivers/net/wireless/iwlwifi/dvm/dev.h
drivers/net/wireless/iwlwifi/dvm/ucode.c
drivers/pci/pcie/aer/aerdrv_errprint.c
drivers/scsi/be2iscsi/be_main.c
drivers/scsi/scsi_lib.c
drivers/target/iscsi/iscsi_target.c
drivers/tty/n_tty.c
drivers/tty/serial/fsl_lpuart.c
drivers/usb/host/xhci-hub.c
drivers/usb/host/xhci-pci.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/ftdi_sio_ids.h
fs/aio.c
fs/btrfs/tree-log.c
fs/cifs/file.c
fs/cifs/smb2ops.c
fs/ocfs2/file.c
include/linux/blk_types.h
include/linux/cpuidle.h
kernel/sched/core.c
mm/memory_hotplug.c
mm/page-writeback.c
net/ipv4/tcp_output.c
net/llc/sysctl_net_llc.c
net/rds/sysctl.c
security/selinux/selinuxfs.c
sound/pci/hda/patch_realtek.c
sound/usb/mixer_quirks.c

index f09e19d2cc4fcaef17f9d62e81d09fae41ec7cea..b40845e11b8409bccbaeea351bf75cab9ba11be0 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 14
-SUBLEVEL = 38
+SUBLEVEL = 39
 EXTRAVERSION =
 NAME = Remembering Coco
 
index 7e95e1a86510fee2f2e1511f8bc7b63f8fb48122..d68b410595c8e8cf6d4c4b90bf7a933c74a15974 100644 (file)
@@ -67,7 +67,7 @@ stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs,
               sigset_t *set)
 {
        int err;
-       err = __copy_to_user(&(sf->uc.uc_mcontext.regs), regs,
+       err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), regs,
                             sizeof(sf->uc.uc_mcontext.regs.scratch));
        err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t));
 
@@ -83,7 +83,7 @@ static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf)
        if (!err)
                set_current_blocked(&set);
 
-       err |= __copy_from_user(regs, &(sf->uc.uc_mcontext.regs),
+       err |= __copy_from_user(regs, &(sf->uc.uc_mcontext.regs.scratch),
                                sizeof(sf->uc.uc_mcontext.regs.scratch));
 
        return err;
index c752cb43e52f192f431a5f2ab91b9366e42ef5b0..a6aa91f776547523398d6948ae4f8663b1852da5 100644 (file)
@@ -181,6 +181,16 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                },
        },
 
+       /* ASRock */
+       {       /* Handle problems with rebooting on ASRock Q1900DC-ITX */
+               .callback = set_pci_reboot,
+               .ident = "ASRock Q1900DC-ITX",
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "ASRock"),
+                       DMI_MATCH(DMI_BOARD_NAME, "Q1900DC-ITX"),
+               },
+       },
+
        /* ASUS */
        {       /* Handle problems with rebooting on ASUS P4S800 */
                .callback = set_bios_reboot,
index 17f9ec501972ef208b505ed881173e2dac0cc2ea..fd8496a92b45ee00b5086742feaf3053fc504f86 100644 (file)
@@ -962,7 +962,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
                return -EINVAL;
 
        drv->safe_state_index = -1;
-       for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
+       for (i = CPUIDLE_DRIVER_STATE_START; i < CPUIDLE_STATE_MAX; i++) {
                drv->states[i].name[0] = '\0';
                drv->states[i].desc[0] = '\0';
        }
index 55298db36b2d61a113f25c22905fffb0f22ddd32..d18093681af2de111a2270ea8741625245341eb8 100644 (file)
@@ -814,10 +814,6 @@ static int __init nbd_init(void)
                return -EINVAL;
        }
 
-       nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
-       if (!nbd_dev)
-               return -ENOMEM;
-
        part_shift = 0;
        if (max_part > 0) {
                part_shift = fls(max_part);
@@ -839,6 +835,10 @@ static int __init nbd_init(void)
        if (nbds_max > 1UL << (MINORBITS - part_shift))
                return -EINVAL;
 
+       nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
+       if (!nbd_dev)
+               return -ENOMEM;
+
        for (i = 0; i < nbds_max; i++) {
                struct gendisk *disk = alloc_disk(1 << part_shift);
                if (!disk)
index a55e68f2cfc8bfad02a85957c9d9ddc55823c6fe..e3d2052e75522e73073a9232785c64dacfc752b8 100644 (file)
@@ -252,9 +252,6 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
        if (!dev->registered)
                return -EINVAL;
 
-       if (!dev->state_count)
-               dev->state_count = drv->state_count;
-
        ret = cpuidle_add_device_sysfs(dev);
        if (ret)
                return ret;
index e918b6d0caf7558025578be747b920003adb2698..dcaae4c8bc086940d22500d3e7bf9b9595adeaaf 100644 (file)
@@ -398,7 +398,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device)
        struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device);
 
        /* state statistics */
-       for (i = 0; i < device->state_count; i++) {
+       for (i = 0; i < drv->state_count; i++) {
                kobj = kzalloc(sizeof(struct cpuidle_state_kobj), GFP_KERNEL);
                if (!kobj)
                        goto error_state;
@@ -430,9 +430,10 @@ error_state:
  */
 static void cpuidle_remove_state_sysfs(struct cpuidle_device *device)
 {
+       struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device);
        int i;
 
-       for (i = 0; i < device->state_count; i++)
+       for (i = 0; i < drv->state_count; i++)
                cpuidle_free_state_kobj(device, i);
 }
 
index 362e7c49f2e1ad9d264eef1acff1b3102f0e1212..12f82942e3474616f6ac04c4265202c8f42fb17e 100644 (file)
@@ -487,6 +487,7 @@ static int omap_dma_terminate_all(struct omap_chan *c)
         * c->desc is NULL and exit.)
         */
        if (c->desc) {
+               omap_dma_desc_free(&c->desc->vd);
                c->desc = NULL;
                /* Avoid stopping the dma twice */
                if (!c->paused)
index 9ab30976287d4c27e0dc94e0cadfa993e6ec77cc..c43335ce8778620666b35cddf6e2f5a71c8dbc82 100644 (file)
@@ -76,7 +76,7 @@ static bool igp_read_bios_from_vram(struct radeon_device *rdev)
 
 static bool radeon_read_bios(struct radeon_device *rdev)
 {
-       uint8_t __iomem *bios;
+       uint8_t __iomem *bios, val1, val2;
        size_t size;
 
        rdev->bios = NULL;
@@ -86,15 +86,19 @@ static bool radeon_read_bios(struct radeon_device *rdev)
                return false;
        }
 
-       if (size == 0 || bios[0] != 0x55 || bios[1] != 0xaa) {
+       val1 = readb(&bios[0]);
+       val2 = readb(&bios[1]);
+
+       if (size == 0 || val1 != 0x55 || val2 != 0xaa) {
                pci_unmap_rom(rdev->pdev, bios);
                return false;
        }
-       rdev->bios = kmemdup(bios, size, GFP_KERNEL);
+       rdev->bios = kzalloc(size, GFP_KERNEL);
        if (rdev->bios == NULL) {
                pci_unmap_rom(rdev->pdev, bios);
                return false;
        }
+       memcpy_fromio(rdev->bios, bios, size);
        pci_unmap_rom(rdev->pdev, bios);
        return true;
 }
index e0017c22bb9c6ce3b4f4f9c753a8ce1364621b19..f53e9a803a0e1ec1589a5b0ad25d7aa1f8d54e70 100644 (file)
@@ -60,7 +60,7 @@ int adis_probe_trigger(struct adis *adis, struct iio_dev *indio_dev)
        iio_trigger_set_drvdata(adis->trig, adis);
        ret = iio_trigger_register(adis->trig);
 
-       indio_dev->trig = adis->trig;
+       indio_dev->trig = iio_trigger_get(adis->trig);
        if (ret)
                goto error_free_irq;
 
index 429517117eff43d92b86238a284635c8b3b4b8f9..30fce6723e617f37d0733377381d4861c10a2fab 100644 (file)
 #include <linux/poll.h>
 #include "inv_mpu_iio.h"
 
+static void inv_clear_kfifo(struct inv_mpu6050_state *st)
+{
+       unsigned long flags;
+
+       /* take the spin lock sem to avoid interrupt kick in */
+       spin_lock_irqsave(&st->time_stamp_lock, flags);
+       kfifo_reset(&st->timestamps);
+       spin_unlock_irqrestore(&st->time_stamp_lock, flags);
+}
+
 int inv_reset_fifo(struct iio_dev *indio_dev)
 {
        int result;
@@ -51,6 +61,10 @@ int inv_reset_fifo(struct iio_dev *indio_dev)
                                        INV_MPU6050_BIT_FIFO_RST);
        if (result)
                goto reset_fifo_fail;
+
+       /* clear timestamps fifo */
+       inv_clear_kfifo(st);
+
        /* enable interrupt */
        if (st->chip_config.accl_fifo_enable ||
            st->chip_config.gyro_fifo_enable) {
@@ -84,16 +98,6 @@ reset_fifo_fail:
        return result;
 }
 
-static void inv_clear_kfifo(struct inv_mpu6050_state *st)
-{
-       unsigned long flags;
-
-       /* take the spin lock sem to avoid interrupt kick in */
-       spin_lock_irqsave(&st->time_stamp_lock, flags);
-       kfifo_reset(&st->timestamps);
-       spin_unlock_irqrestore(&st->time_stamp_lock, flags);
-}
-
 /**
  * inv_mpu6050_irq_handler() - Cache a timestamp at each data ready interrupt.
  */
@@ -185,7 +189,6 @@ end_session:
 flush_fifo:
        /* Flush HW and SW FIFOs. */
        inv_reset_fifo(indio_dev);
-       inv_clear_kfifo(st);
        mutex_unlock(&indio_dev->mlock);
        iio_trigger_notify_done(indio_dev->trig);
 
index a84112322071015a78b7916bfe70250284f1640e..055ebebc07ddb1ba19375aead10a7f138812c41d 100644 (file)
@@ -94,6 +94,14 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
        if (dmasync)
                dma_set_attr(DMA_ATTR_WRITE_BARRIER, &attrs);
 
+       /*
+        * If the combination of the addr and size requested for this memory
+        * region causes an integer overflow, return error.
+        */
+       if ((PAGE_ALIGN(addr + size) <= size) ||
+           (PAGE_ALIGN(addr + size) <= addr))
+               return ERR_PTR(-EINVAL);
+
        if (!can_do_mlock())
                return ERR_PTR(-EPERM);
 
index 08219fb3338b0652f350da1af864b4cfb355ff3c..7a515c867674ead6dc7da6f77a0ec4ed36dcb612 100644 (file)
@@ -476,6 +476,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
 
        entry->desc.async.element    = element;
        entry->desc.async.event_type = event;
+       entry->desc.async.reserved   = 0;
        entry->counter               = counter;
 
        list_add_tail(&entry->list, &file->async_file->event_list);
index f2a3f48107e71e1d53b0abb61757f1f0ba38bb59..2592ab5f21b1bdfc43a866941433b3a2b51bf943 100644 (file)
@@ -64,6 +64,14 @@ enum {
 #define GUID_TBL_BLK_NUM_ENTRIES 8
 #define GUID_TBL_BLK_SIZE (GUID_TBL_ENTRY_SIZE * GUID_TBL_BLK_NUM_ENTRIES)
 
+/* Counters should be saturate once they reach their maximum value */
+#define ASSIGN_32BIT_COUNTER(counter, value) do {\
+       if ((value) > U32_MAX)                   \
+               counter = cpu_to_be32(U32_MAX); \
+       else                                     \
+               counter = cpu_to_be32(value);    \
+} while (0)
+
 struct mlx4_mad_rcv_buf {
        struct ib_grh grh;
        u8 payload[256];
@@ -730,10 +738,14 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 static void edit_counter(struct mlx4_counter *cnt,
                                        struct ib_pma_portcounters *pma_cnt)
 {
-       pma_cnt->port_xmit_data = cpu_to_be32((be64_to_cpu(cnt->tx_bytes)>>2));
-       pma_cnt->port_rcv_data  = cpu_to_be32((be64_to_cpu(cnt->rx_bytes)>>2));
-       pma_cnt->port_xmit_packets = cpu_to_be32(be64_to_cpu(cnt->tx_frames));
-       pma_cnt->port_rcv_packets  = cpu_to_be32(be64_to_cpu(cnt->rx_frames));
+       ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_data,
+                            (be64_to_cpu(cnt->tx_bytes) >> 2));
+       ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_data,
+                            (be64_to_cpu(cnt->rx_bytes) >> 2));
+       ASSIGN_32BIT_COUNTER(pma_cnt->port_xmit_packets,
+                            be64_to_cpu(cnt->tx_frames));
+       ASSIGN_32BIT_COUNTER(pma_cnt->port_rcv_packets,
+                            be64_to_cpu(cnt->rx_frames));
 }
 
 static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
index f723f1f2f5784e4501e7b39dcb027c507523cb07..ab851278d9d0829d4a005eff54ef64efdc5f5e21 100644 (file)
@@ -30,7 +30,7 @@
 
 /* Offset base used to differentiate between CAPTURE and OUTPUT
 *  while mmaping */
-#define DST_QUEUE_OFF_BASE      (TASK_SIZE / 2)
+#define DST_QUEUE_OFF_BASE     (1 << 30)
 
 #define MFC_BANK1_ALLOC_CTX    0
 #define MFC_BANK2_ALLOC_CTX    1
index 744e43b480bcc217f3da9522cc992061fa7f691a..f698e322a1cd62b64f0573a1e706fb8254ccbd53 100644 (file)
@@ -1183,6 +1183,7 @@ static int sh_veu_probe(struct platform_device *pdev)
        }
 
        *vdev = sh_veu_videodev;
+       vdev->v4l2_dev = &veu->v4l2_dev;
        spin_lock_init(&veu->lock);
        mutex_init(&veu->fop_lock);
        vdev->lock = &veu->fop_lock;
index 61376abdab395cd941f9a118c46e9912e17f4452..dbd8d21a8f1078fa66b9c1c4b9431e19c2a68675 100644 (file)
@@ -1095,12 +1095,19 @@ static int flexcan_probe(struct platform_device *pdev)
        const struct flexcan_devtype_data *devtype_data;
        struct net_device *dev;
        struct flexcan_priv *priv;
+       struct regulator *reg_xceiver;
        struct resource *mem;
        struct clk *clk_ipg = NULL, *clk_per = NULL;
        void __iomem *base;
        int err, irq;
        u32 clock_freq = 0;
 
+       reg_xceiver = devm_regulator_get(&pdev->dev, "xceiver");
+       if (PTR_ERR(reg_xceiver) == -EPROBE_DEFER)
+               return -EPROBE_DEFER;
+       else if (IS_ERR(reg_xceiver))
+               reg_xceiver = NULL;
+
        if (pdev->dev.of_node)
                of_property_read_u32(pdev->dev.of_node,
                                                "clock-frequency", &clock_freq);
@@ -1162,9 +1169,7 @@ static int flexcan_probe(struct platform_device *pdev)
        priv->pdata = dev_get_platdata(&pdev->dev);
        priv->devtype_data = devtype_data;
 
-       priv->reg_xceiver = devm_regulator_get(&pdev->dev, "xceiver");
-       if (IS_ERR(priv->reg_xceiver))
-               priv->reg_xceiver = NULL;
+       priv->reg_xceiver = reg_xceiver;
 
        netif_napi_add(dev, &priv->napi, flexcan_poll, FLEXCAN_NAPI_WEIGHT);
 
index 3441f70d0ff911594dfd4066e782f0ca042e02d6..6e8cdb8a0cc52cd10600ec87a139f2c0e72b8bc3 100644 (file)
@@ -708,7 +708,6 @@ struct iwl_priv {
        unsigned long reload_jiffies;
        int reload_count;
        bool ucode_loaded;
-       bool init_ucode_run;            /* Don't run init uCode again */
 
        u8 plcp_delta_threshold;
 
index cf03ef5619d9fea602151cf573162848ffd12366..8b2dedc301592d743990b12668b2d6d91314898f 100644 (file)
@@ -418,9 +418,6 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
        if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
                return 0;
 
-       if (priv->init_ucode_run)
-               return 0;
-
        iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
                                   calib_complete, ARRAY_SIZE(calib_complete),
                                   iwlagn_wait_calib, priv);
@@ -440,8 +437,6 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
         */
        ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
                                        UCODE_CALIB_TIMEOUT);
-       if (!ret)
-               priv->init_ucode_run = true;
 
        goto out;
 
index 34ff7026440cac0e929df3db06cba8f93b2a5c00..5d3b45640181a3dd82bb44a39ee486da8e184ac3 100644 (file)
@@ -127,16 +127,8 @@ static const char *aer_agent_string[] = {
 static void __print_tlp_header(struct pci_dev *dev,
                               struct aer_header_log_regs *t)
 {
-       unsigned char *tlp = (unsigned char *)&t;
-
-       dev_err(&dev->dev, "  TLP Header:"
-               " %02x%02x%02x%02x %02x%02x%02x%02x"
-               " %02x%02x%02x%02x %02x%02x%02x%02x\n",
-               *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp,
-               *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4),
-               *(tlp + 11), *(tlp + 10), *(tlp + 9),
-               *(tlp + 8), *(tlp + 15), *(tlp + 14),
-               *(tlp + 13), *(tlp + 12));
+       dev_err(&dev->dev, "  TLP Header: %08x %08x %08x %08x\n",
+               t->dw0, t->dw1, t->dw2, t->dw3);
 }
 
 static void __aer_print_error(struct pci_dev *dev,
index 953bd0bfdf0d06bfa5e9eb4a87124af36a24c367..19ddd43a00cfe26cb35d8b5e37f742cd931b8dd2 100644 (file)
@@ -5684,9 +5684,9 @@ free_port:
 hba_free:
        if (phba->msix_enabled)
                pci_disable_msix(phba->pcidev);
-       iscsi_host_remove(phba->shost);
        pci_dev_put(phba->pcidev);
        iscsi_host_free(phba->shost);
+       pci_set_drvdata(pcidev, NULL);
 disable_pci:
        pci_disable_device(pcidev);
        return ret;
index 64e487a8bf59144a4877d7a773fbc23852cb5231..719bd8257520e4a3aa864b108cfdbe375cf1db7d 100644 (file)
@@ -1258,9 +1258,11 @@ int scsi_prep_state_check(struct scsi_device *sdev, struct request *req)
                                    "rejecting I/O to dead device\n");
                        ret = BLKPREP_KILL;
                        break;
-               case SDEV_QUIESCE:
                case SDEV_BLOCK:
                case SDEV_CREATED_BLOCK:
+                       ret = BLKPREP_DEFER;
+                       break;
+               case SDEV_QUIESCE:
                        /*
                         * If the devices is blocked we defer normal commands.
                         */
index e168a63e77ea6ba77462ed3834b52de5ceb1c94f..b61c555a5a8fbf9b436d418410c5391cc54495e8 100644 (file)
@@ -1165,7 +1165,7 @@ iscsit_handle_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
         * traditional iSCSI block I/O.
         */
        if (iscsit_allocate_iovecs(cmd) < 0) {
-               return iscsit_add_reject_cmd(cmd,
+               return iscsit_reject_cmd(cmd,
                                ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf);
        }
        immed_data = cmd->immediate_data;
index 850e232d086e315c8bf56c432687cb967fcdb1d1..8ab46ad40f2862cf1ac67758d58e424d1c0a1d4c 100644 (file)
@@ -247,8 +247,6 @@ static void n_tty_write_wakeup(struct tty_struct *tty)
 
 static void n_tty_check_throttle(struct tty_struct *tty)
 {
-       if (tty->driver->type == TTY_DRIVER_TYPE_PTY)
-               return;
        /*
         * Check the remaining room for the input canonicalization
         * mode.  We don't want to throttle the driver if we're in
@@ -1512,23 +1510,6 @@ n_tty_receive_char_lnext(struct tty_struct *tty, unsigned char c, char flag)
                n_tty_receive_char_flagged(tty, c, flag);
 }
 
-/**
- *     n_tty_receive_buf       -       data receive
- *     @tty: terminal device
- *     @cp: buffer
- *     @fp: flag buffer
- *     @count: characters
- *
- *     Called by the terminal driver when a block of characters has
- *     been received. This function must be called from soft contexts
- *     not from interrupt context. The driver is responsible for making
- *     calls one at a time and in order (or using flush_to_ldisc)
- *
- *     n_tty_receive_buf()/producer path:
- *             claims non-exclusive termios_rwsem
- *             publishes read_head and canon_head
- */
-
 static void
 n_tty_receive_buf_real_raw(struct tty_struct *tty, const unsigned char *cp,
                           char *fp, int count)
@@ -1684,24 +1665,85 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
        }
 }
 
+/**
+ *     n_tty_receive_buf_common        -       process input
+ *     @tty: device to receive input
+ *     @cp: input chars
+ *     @fp: flags for each char (if NULL, all chars are TTY_NORMAL)
+ *     @count: number of input chars in @cp
+ *
+ *     Called by the terminal driver when a block of characters has
+ *     been received. This function must be called from soft contexts
+ *     not from interrupt context. The driver is responsible for making
+ *     calls one at a time and in order (or using flush_to_ldisc)
+ *
+ *     Returns the # of input chars from @cp which were processed.
+ *
+ *     In canonical mode, the maximum line length is 4096 chars (including
+ *     the line termination char); lines longer than 4096 chars are
+ *     truncated. After 4095 chars, input data is still processed but
+ *     not stored. Overflow processing ensures the tty can always
+ *     receive more input until at least one line can be read.
+ *
+ *     In non-canonical mode, the read buffer will only accept 4095 chars;
+ *     this provides the necessary space for a newline char if the input
+ *     mode is switched to canonical.
+ *
+ *     Note it is possible for the read buffer to _contain_ 4096 chars
+ *     in non-canonical mode: the read buffer could already contain the
+ *     maximum canon line of 4096 chars when the mode is switched to
+ *     non-canonical.
+ *
+ *     n_tty_receive_buf()/producer path:
+ *             claims non-exclusive termios_rwsem
+ *             publishes commit_head or canon_head
+ */
 static int
 n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp,
                         char *fp, int count, int flow)
 {
        struct n_tty_data *ldata = tty->disc_data;
-       int room, n, rcvd = 0;
+       int room, n, rcvd = 0, overflow;
 
        down_read(&tty->termios_rwsem);
 
        while (1) {
-               room = receive_room(tty);
+               /*
+                * When PARMRK is set, each input char may take up to 3 chars
+                * in the read buf; reduce the buffer space avail by 3x
+                *
+                * If we are doing input canonicalization, and there are no
+                * pending newlines, let characters through without limit, so
+                * that erase characters will be handled.  Other excess
+                * characters will be beeped.
+                *
+                * paired with store in *_copy_from_read_buf() -- guarantees
+                * the consumer has loaded the data in read_buf up to the new
+                * read_tail (so this producer will not overwrite unread data)
+                */
+               size_t tail = ldata->read_tail;
+
+               room = N_TTY_BUF_SIZE - (ldata->read_head - tail);
+               if (I_PARMRK(tty))
+                       room = (room + 2) / 3;
+               room--;
+               if (room <= 0) {
+                       overflow = ldata->icanon && ldata->canon_head == tail;
+                       if (overflow && room < 0)
+                               ldata->read_head--;
+                       room = overflow;
+                       ldata->no_room = flow && !room;
+               } else
+                       overflow = 0;
+
                n = min(count, room);
-               if (!n) {
-                       if (flow && !room)
-                               ldata->no_room = 1;
+               if (!n)
                        break;
-               }
-               __receive_buf(tty, cp, fp, n);
+
+               /* ignore parity errors if handling overflow */
+               if (!overflow || !fp || *fp != TTY_PARITY)
+                       __receive_buf(tty, cp, fp, n);
+
                cp += n;
                if (fp)
                        fp += n;
@@ -1710,7 +1752,17 @@ n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp,
        }
 
        tty->receive_room = room;
-       n_tty_check_throttle(tty);
+
+       /* Unthrottle if handling overflow on pty */
+       if (tty->driver->type == TTY_DRIVER_TYPE_PTY) {
+               if (overflow) {
+                       tty_set_flow_change(tty, TTY_UNTHROTTLE_SAFE);
+                       tty_unthrottle_safe(tty);
+                       __tty_set_flow_change(tty, 0);
+               }
+       } else
+               n_tty_check_throttle(tty);
+
        up_read(&tty->termios_rwsem);
 
        return rcvd;
index 175f123f4f09fb243106992e40301cd19b2386e5..501c465feb59eb26ebde1dd9bda4d28de5d8a3a5 100644 (file)
@@ -362,6 +362,9 @@ static void lpuart_setup_watermark(struct lpuart_port *sport)
        writeb(val | UARTPFIFO_TXFE | UARTPFIFO_RXFE,
                        sport->port.membase + UARTPFIFO);
 
+       /* explicitly clear RDRF */
+       readb(sport->port.membase + UARTSR1);
+
        /* flush Tx and Rx FIFO */
        writeb(UARTCFIFO_TXFLUSH | UARTCFIFO_RXFLUSH,
                        sport->port.membase + UARTCFIFO);
index 93fe089cd51ad83981daf45255fb57b7aff64202..b9e16abb0fab7f998b6ac0bb01f2b1f9fa11e70e 100644 (file)
@@ -383,6 +383,10 @@ static void xhci_clear_port_change_bit(struct xhci_hcd *xhci, u16 wValue,
                status = PORT_PLC;
                port_change_bit = "link state";
                break;
+       case USB_PORT_FEAT_C_PORT_CONFIG_ERROR:
+               status = PORT_CEC;
+               port_change_bit = "config error";
+               break;
        default:
                /* Should never happen */
                return;
@@ -584,6 +588,8 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
                        status |= USB_PORT_STAT_C_LINK_STATE << 16;
                if ((raw_port_status & PORT_WRC))
                        status |= USB_PORT_STAT_C_BH_RESET << 16;
+               if ((raw_port_status & PORT_CEC))
+                       status |= USB_PORT_STAT_C_CONFIG_ERROR << 16;
        }
 
        if (hcd->speed != HCD_USB3) {
@@ -999,6 +1005,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                case USB_PORT_FEAT_C_OVER_CURRENT:
                case USB_PORT_FEAT_C_ENABLE:
                case USB_PORT_FEAT_C_PORT_LINK_STATE:
+               case USB_PORT_FEAT_C_PORT_CONFIG_ERROR:
                        xhci_clear_port_change_bit(xhci, wValue, wIndex,
                                        port_array[wIndex], temp);
                        break;
@@ -1063,7 +1070,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
         */
        status = bus_state->resuming_ports;
 
-       mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC;
+       mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC | PORT_CEC;
 
        spin_lock_irqsave(&xhci->lock, flags);
        /* For each port, did anything change?  If so, set that bit in buf. */
index 73c43e5e231bf46047d4b8c1336eab182b6935d8..eb3399f4c1edbc846009538c741741a0d6df929a 100644 (file)
@@ -108,6 +108,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
        if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
                xhci->quirks |= XHCI_LPM_SUPPORT;
                xhci->quirks |= XHCI_INTEL_HOST;
+               xhci->quirks |= XHCI_AVOID_BEI;
        }
        if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
                        pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) {
@@ -123,7 +124,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                 * PPT chipsets.
                 */
                xhci->quirks |= XHCI_SPURIOUS_REBOOT;
-               xhci->quirks |= XHCI_AVOID_BEI;
        }
        if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
            (pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI ||
index 9235005953570d6b8f52602387657904ea1e6e74..2d858f81ab33f8d3133dcd391994ca1556b2f408 100644 (file)
@@ -617,6 +617,7 @@ static const struct usb_device_id id_table_combined[] = {
                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
        { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+       { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
        /*
         * ELV devices:
         */
@@ -1901,8 +1902,12 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
 {
        struct usb_device *udev = serial->dev;
 
-       if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) ||
-           (udev->product && !strcmp(udev->product, "BeagleBone/XDS100V2")))
+       if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems"))
+               return ftdi_jtag_probe(serial);
+
+       if (udev->product &&
+               (!strcmp(udev->product, "BeagleBone/XDS100V2") ||
+                !strcmp(udev->product, "SNAP Connect E10")))
                return ftdi_jtag_probe(serial);
 
        return 0;
index 56b1b55c4751696b2e89633ea90bfe1c2940c436..4e4f46f3c89c025670d42860756f39b2bb62ae24 100644 (file)
  */
 #define FTDI_NT_ORIONLXM_PID   0x7c90  /* OrionLXm Substation Automation Platform */
 
+/*
+ * Synapse Wireless product ids (FTDI_VID)
+ * http://www.synapse-wireless.com
+ */
+#define FTDI_SYNAPSE_SS200_PID 0x9090 /* SS200 - SNAP Stick 200 */
+
 
 /********************************/
 /** third-party VID/PID combos **/
index 2f7e8c2e3e769c04f50b233c7f7f113b523e7e40..3241659491b1b80e78d133b04444c79b507dc0fe 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -719,6 +719,9 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
 err_cleanup:
        aio_nr_sub(ctx->max_reqs);
 err_ctx:
+       atomic_set(&ctx->dead, 1);
+       if (ctx->mmap_size)
+               vm_munmap(ctx->mmap_base, ctx->mmap_size);
        aio_free_ring(ctx);
 err:
        mutex_unlock(&ctx->ring_lock);
index a7f32bfdd5e733958c6087d0008b35336625b772..ec8b6542c8bd3b4535b616db698d52a1f3a245d3 100644 (file)
@@ -1235,21 +1235,13 @@ out:
 }
 
 static int insert_orphan_item(struct btrfs_trans_handle *trans,
-                             struct btrfs_root *root, u64 offset)
+                             struct btrfs_root *root, u64 ino)
 {
        int ret;
-       struct btrfs_path *path;
-
-       path = btrfs_alloc_path();
-       if (!path)
-               return -ENOMEM;
 
-       ret = btrfs_find_item(root, path, BTRFS_ORPHAN_OBJECTID,
-                       offset, BTRFS_ORPHAN_ITEM_KEY, NULL);
-       if (ret > 0)
-               ret = btrfs_insert_orphan_item(trans, root, offset);
-
-       btrfs_free_path(path);
+       ret = btrfs_insert_orphan_item(trans, root, ino);
+       if (ret == -EEXIST)
+               ret = 0;
 
        return ret;
 }
index 0218a9b23b38526847bd4fd26f8cd6812d487632..40ddb6e9391223fd8211c314bd4b74d7af3233db 100644 (file)
@@ -1821,6 +1821,7 @@ refind_writable:
                        cifsFileInfo_put(inv_file);
                        spin_lock(&cifs_file_list_lock);
                        ++refind;
+                       inv_file = NULL;
                        goto refind_writable;
                }
        }
index 34a17d425be611c2675b6709d3537de7d8f1ed25..30f3eb5bc022869f0192379abf3fb83bd9f3b4bb 100644 (file)
@@ -630,7 +630,8 @@ smb2_clone_range(const unsigned int xid,
 
                        /* No need to change MaxChunks since already set to 1 */
                        chunk_sizes_updated = true;
-               }
+               } else
+                       goto cchunk_out;
        }
 
 cchunk_out:
index 51632c40e896fd0b7c4e4c87b2afc5dc4f418aca..7fe30f655aa58060da58573fa15fa4f3f8b08e18 100644 (file)
@@ -2391,10 +2391,14 @@ out_dio:
        /* buffered aio wouldn't have proper lock coverage today */
        BUG_ON(ret == -EIOCBQUEUED && !(file->f_flags & O_DIRECT));
 
+       if (unlikely(written <= 0))
+               goto no_sync;
+
        if (((file->f_flags & O_DSYNC) && !direct_io) || IS_SYNC(inode) ||
            ((file->f_flags & O_DIRECT) && !direct_io)) {
-               ret = filemap_fdatawrite_range(file->f_mapping, *ppos,
-                                              *ppos + count - 1);
+               ret = filemap_fdatawrite_range(file->f_mapping,
+                                              iocb->ki_pos - written,
+                                              iocb->ki_pos - 1);
                if (ret < 0)
                        written = ret;
 
@@ -2407,10 +2411,12 @@ out_dio:
                }
 
                if (!ret)
-                       ret = filemap_fdatawait_range(file->f_mapping, *ppos,
-                                                     *ppos + count - 1);
+                       ret = filemap_fdatawait_range(file->f_mapping,
+                                                     iocb->ki_pos - written,
+                                                     iocb->ki_pos - 1);
        }
 
+no_sync:
        /*
         * deep in g_f_a_w_n()->ocfs2_direct_IO we pass in a ocfs2_dio_end_io
         * function pointer which is called when o_direct io completes so that
index bbc3a6c88fce3410b954b6c91c407297e2f03e7f..33fd7ff53a77537c110261d7bf79ec099dc93b19 100644 (file)
@@ -180,7 +180,9 @@ enum rq_flag_bits {
        __REQ_ELVPRIV,          /* elevator private data attached */
        __REQ_FAILED,           /* set if the request failed */
        __REQ_QUIET,            /* don't worry about errors */
-       __REQ_PREEMPT,          /* set for "ide_preempt" requests */
+       __REQ_PREEMPT,          /* set for "ide_preempt" requests and also
+                                  for requests for which the SCSI "quiesce"
+                                  state must be ignored. */
        __REQ_ALLOCED,          /* request came from our alloc pool */
        __REQ_COPY_USER,        /* contains copies of user pages */
        __REQ_FLUSH_SEQ,        /* request for flush sequence */
index 50fcbb0ac4e7033922508aa1fc805936087cd5f2..d1338170b6b9059e60102bf3eb8119c16936440f 100644 (file)
@@ -69,7 +69,6 @@ struct cpuidle_device {
        unsigned int            cpu;
 
        int                     last_residency;
-       int                     state_count;
        struct cpuidle_state_usage      states_usage[CPUIDLE_STATE_MAX];
        struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX];
        struct cpuidle_driver_kobj *kobj_driver;
index 9a3f3c4e1f5a944ff9dfd078f75c67b1060e9c6a..5e973efc036e600e8b95483cf7a576c19cb74b68 100644 (file)
@@ -2980,6 +2980,8 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
        } else {
                if (dl_prio(oldprio))
                        p->dl.dl_boosted = 0;
+               if (rt_prio(oldprio))
+                       p->rt.timeout = 0;
                p->sched_class = &fair_sched_class;
        }
 
index f6f23833de44702332d81188f0fd7e5fcd926d46..c8e450132813bb5736357cf2c5df39e010e9857e 100644 (file)
@@ -1016,6 +1016,10 @@ static pg_data_t __ref *hotadd_new_pgdat(int nid, u64 start)
                        return NULL;
 
                arch_refresh_nodedata(nid, pgdat);
+       } else {
+               /* Reset the nr_zones and classzone_idx to 0 before reuse */
+               pgdat->nr_zones = 0;
+               pgdat->classzone_idx = 0;
        }
 
        /* we can use NODE_DATA(nid) from here */
@@ -1863,15 +1867,6 @@ void try_offline_node(int nid)
                if (is_vmalloc_addr(zone->wait_table))
                        vfree(zone->wait_table);
        }
-
-       /*
-        * Since there is no way to guarentee the address of pgdat/zone is not
-        * on stack of any kernel threads or used by other kernel objects
-        * without reference counting or other symchronizing method, do not
-        * reset node_data and free pgdat here. Just reset it to 0 and reuse
-        * the memory when the node is online again.
-        */
-       memset(pgdat, 0, sizeof(*pgdat));
 }
 EXPORT_SYMBOL(try_offline_node);
 
index 9f45f87a585959c3cd6b56a4a6d70065302f3b39..51d8d15f48d7ffbcf34e7276fa7fe9c42f4bd668 100644 (file)
@@ -878,8 +878,11 @@ static void bdi_update_write_bandwidth(struct backing_dev_info *bdi,
         *                   bw * elapsed + write_bandwidth * (period - elapsed)
         * write_bandwidth = ---------------------------------------------------
         *                                          period
+        *
+        * @written may have decreased due to account_page_redirty().
+        * Avoid underflowing @bw calculation.
         */
-       bw = written - bdi->written_stamp;
+       bw = written - min(written, bdi->written_stamp);
        bw *= HZ;
        if (unlikely(elapsed > period)) {
                do_div(bw, elapsed);
@@ -943,7 +946,7 @@ static void global_update_bandwidth(unsigned long thresh,
                                    unsigned long now)
 {
        static DEFINE_SPINLOCK(dirty_lock);
-       static unsigned long update_time;
+       static unsigned long update_time = INITIAL_JIFFIES;
 
        /*
         * check locklessly first to optimize away locking for the most time
index d0c310801479038f9e476564c6492425d676677d..96f64e59d70c52cdcb1e0a130b4c661a3cc2d75c 100644 (file)
@@ -2933,6 +2933,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
                goto fallback;
        syn_data->ip_summed = CHECKSUM_PARTIAL;
        memcpy(syn_data->cb, syn->cb, sizeof(syn->cb));
+       skb_shinfo(syn_data)->gso_segs = 1;
        if (unlikely(memcpy_fromiovecend(skb_put(syn_data, space),
                                         fo->data->msg_iov, 0, space))) {
                kfree_skb(syn_data);
index 612a5ddaf93b1ab1b5a524c5efef8d6b1f769038..799bafc2af39ea191e3753c88c3f921e44a77162 100644 (file)
@@ -18,28 +18,28 @@ static struct ctl_table llc2_timeout_table[] = {
        {
                .procname       = "ack",
                .data           = &sysctl_llc2_ack_timeout,
-               .maxlen         = sizeof(long),
+               .maxlen         = sizeof(sysctl_llc2_ack_timeout),
                .mode           = 0644,
                .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "busy",
                .data           = &sysctl_llc2_busy_timeout,
-               .maxlen         = sizeof(long),
+               .maxlen         = sizeof(sysctl_llc2_busy_timeout),
                .mode           = 0644,
                .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "p",
                .data           = &sysctl_llc2_p_timeout,
-               .maxlen         = sizeof(long),
+               .maxlen         = sizeof(sysctl_llc2_p_timeout),
                .mode           = 0644,
                .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "rej",
                .data           = &sysctl_llc2_rej_timeout,
-               .maxlen         = sizeof(long),
+               .maxlen         = sizeof(sysctl_llc2_rej_timeout),
                .mode           = 0644,
                .proc_handler   = proc_dointvec_jiffies,
        },
index b5cb2aa08f33aa62ac5bff73684fc228f74dce7e..35773ad6d23de4cf8d390ec3f1e3b1689ce19405 100644 (file)
@@ -71,14 +71,14 @@ static struct ctl_table rds_sysctl_rds_table[] = {
        {
                .procname       = "max_unacked_packets",
                .data           = &rds_sysctl_max_unacked_packets,
-               .maxlen         = sizeof(unsigned long),
+               .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
        {
                .procname       = "max_unacked_bytes",
                .data           = &rds_sysctl_max_unacked_bytes,
-               .maxlen         = sizeof(unsigned long),
+               .maxlen         = sizeof(int),
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
index d60c0ee66387d8078055414992ad36d7a2d31fa8..6c4cbd97a67384abcfa185c52b969074d3748296 100644 (file)
@@ -152,7 +152,7 @@ static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
                goto out;
 
        /* No partial writes. */
-       length = EINVAL;
+       length = -EINVAL;
        if (*ppos != 0)
                goto out;
 
index 910f2dbe1b2406bb15e00e3921799c2887dd39dd..ca26373ebe70c6b9cb41cebb27bec7e84c2cafe8 100644 (file)
@@ -271,7 +271,7 @@ static void alc_auto_setup_eapd(struct hda_codec *codec, bool on)
 {
        /* We currently only handle front, HP */
        static hda_nid_t pins[] = {
-               0x0f, 0x10, 0x14, 0x15, 0
+               0x0f, 0x10, 0x14, 0x15, 0x17, 0
        };
        hda_nid_t *p;
        for (p = pins; *p; p++)
@@ -2885,6 +2885,8 @@ static void alc283_init(struct hda_codec *codec)
 
        if (!hp_pin)
                return;
+
+       msleep(30);
        hp_pin_sense = snd_hda_jack_detect(codec, hp_pin);
 
        /* Index 0x43 Direct Drive HP AMP LPM Control 1 */
@@ -3951,6 +3953,7 @@ enum {
        ALC269_FIXUP_QUANTA_MUTE,
        ALC269_FIXUP_LIFEBOOK,
        ALC269_FIXUP_LIFEBOOK_EXTMIC,
+       ALC269_FIXUP_LIFEBOOK_HP_PIN,
        ALC269_FIXUP_AMIC,
        ALC269_FIXUP_DMIC,
        ALC269VB_FIXUP_AMIC,
@@ -4085,6 +4088,13 @@ static const struct hda_fixup alc269_fixups[] = {
                        { }
                },
        },
+       [ALC269_FIXUP_LIFEBOOK_HP_PIN] = {
+               .type = HDA_FIXUP_PINS,
+               .v.pins = (const struct hda_pintbl[]) {
+                       { 0x21, 0x0221102f }, /* HP out */
+                       { }
+               },
+       },
        [ALC269_FIXUP_AMIC] = {
                .type = HDA_FIXUP_PINS,
                .v.pins = (const struct hda_pintbl[]) {
@@ -4538,6 +4548,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ),
        SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO),
        SND_PCI_QUIRK(0x10cf, 0x1475, "Lifebook", ALC269_FIXUP_LIFEBOOK),
+       SND_PCI_QUIRK(0x10cf, 0x15dc, "Lifebook T731", ALC269_FIXUP_LIFEBOOK_HP_PIN),
        SND_PCI_QUIRK(0x10cf, 0x1845, "Lifebook U904", ALC269_FIXUP_LIFEBOOK_EXTMIC),
        SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
index 5a723df670b4608fc83ab79ccafb43af01c73895..a82ec53b8fb3b6f5e780a0f39b7173c23e96597a 100644 (file)
@@ -178,6 +178,7 @@ static const struct rc_config {
        { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
        { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
        { USB_ID(0x041e, 0x30df), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
+       { USB_ID(0x041e, 0x3237), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 Pro */
        { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 };