commit:     0bb485efa0b9355b4481e6bfb740233c5b7cc018
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Wed May  2 16:13:16 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Wed May  2 16:13:16 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=0bb485ef

Linux patch 4.9.98

 0000_README             |    4 +
 1097_linux-4.9.98.patch | 2311 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 2315 insertions(+)

diff --git a/0000_README b/0000_README
index efef388..61cbdec 100644
--- a/0000_README
+++ b/0000_README
@@ -431,6 +431,10 @@ Patch:  1096_linux-4.9.97.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.97
 
+Patch:  1097_linux-4.9.98.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.98
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1097_linux-4.9.98.patch b/1097_linux-4.9.98.patch
new file mode 100644
index 0000000..b6c3983
--- /dev/null
+++ b/1097_linux-4.9.98.patch
@@ -0,0 +1,2311 @@
+diff --git a/Makefile b/Makefile
+index ee3e943c3bd9..96d770488ae6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 97
++SUBLEVEL = 98
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+diff --git a/arch/powerpc/kernel/eeh_driver.c 
b/arch/powerpc/kernel/eeh_driver.c
+index 6ef8f0bceacd..27843665da9e 100644
+--- a/arch/powerpc/kernel/eeh_driver.c
++++ b/arch/powerpc/kernel/eeh_driver.c
+@@ -207,18 +207,18 @@ static void *eeh_report_error(void *data, void *userdata)
+ 
+       if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+               return NULL;
++
++      device_lock(&dev->dev);
+       dev->error_state = pci_channel_io_frozen;
+ 
+       driver = eeh_pcid_get(dev);
+-      if (!driver) return NULL;
++      if (!driver) goto out_no_dev;
+ 
+       eeh_disable_irq(dev);
+ 
+       if (!driver->err_handler ||
+-          !driver->err_handler->error_detected) {
+-              eeh_pcid_put(dev);
+-              return NULL;
+-      }
++          !driver->err_handler->error_detected)
++              goto out;
+ 
+       rc = driver->err_handler->error_detected(dev, pci_channel_io_frozen);
+ 
+@@ -227,7 +227,10 @@ static void *eeh_report_error(void *data, void *userdata)
+       if (*res == PCI_ERS_RESULT_NONE) *res = rc;
+ 
+       edev->in_error = true;
++out:
+       eeh_pcid_put(dev);
++out_no_dev:
++      device_unlock(&dev->dev);
+       return NULL;
+ }
+ 
+@@ -250,15 +253,14 @@ static void *eeh_report_mmio_enabled(void *data, void 
*userdata)
+       if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+               return NULL;
+ 
++      device_lock(&dev->dev);
+       driver = eeh_pcid_get(dev);
+-      if (!driver) return NULL;
++      if (!driver) goto out_no_dev;
+ 
+       if (!driver->err_handler ||
+           !driver->err_handler->mmio_enabled ||
+-          (edev->mode & EEH_DEV_NO_HANDLER)) {
+-              eeh_pcid_put(dev);
+-              return NULL;
+-      }
++          (edev->mode & EEH_DEV_NO_HANDLER))
++              goto out;
+ 
+       rc = driver->err_handler->mmio_enabled(dev);
+ 
+@@ -266,7 +268,10 @@ static void *eeh_report_mmio_enabled(void *data, void 
*userdata)
+       if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
+       if (*res == PCI_ERS_RESULT_NONE) *res = rc;
+ 
++out:
+       eeh_pcid_put(dev);
++out_no_dev:
++      device_unlock(&dev->dev);
+       return NULL;
+ }
+ 
+@@ -289,20 +294,20 @@ static void *eeh_report_reset(void *data, void *userdata)
+ 
+       if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+               return NULL;
++
++      device_lock(&dev->dev);
+       dev->error_state = pci_channel_io_normal;
+ 
+       driver = eeh_pcid_get(dev);
+-      if (!driver) return NULL;
++      if (!driver) goto out_no_dev;
+ 
+       eeh_enable_irq(dev);
+ 
+       if (!driver->err_handler ||
+           !driver->err_handler->slot_reset ||
+           (edev->mode & EEH_DEV_NO_HANDLER) ||
+-          (!edev->in_error)) {
+-              eeh_pcid_put(dev);
+-              return NULL;
+-      }
++          (!edev->in_error))
++              goto out;
+ 
+       rc = driver->err_handler->slot_reset(dev);
+       if ((*res == PCI_ERS_RESULT_NONE) ||
+@@ -310,7 +315,10 @@ static void *eeh_report_reset(void *data, void *userdata)
+       if (*res == PCI_ERS_RESULT_DISCONNECT &&
+            rc == PCI_ERS_RESULT_NEED_RESET) *res = rc;
+ 
++out:
+       eeh_pcid_put(dev);
++out_no_dev:
++      device_unlock(&dev->dev);
+       return NULL;
+ }
+ 
+@@ -361,10 +369,12 @@ static void *eeh_report_resume(void *data, void 
*userdata)
+ 
+       if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+               return NULL;
++
++      device_lock(&dev->dev);
+       dev->error_state = pci_channel_io_normal;
+ 
+       driver = eeh_pcid_get(dev);
+-      if (!driver) return NULL;
++      if (!driver) goto out_no_dev;
+ 
+       was_in_error = edev->in_error;
+       edev->in_error = false;
+@@ -374,13 +384,15 @@ static void *eeh_report_resume(void *data, void 
*userdata)
+           !driver->err_handler->resume ||
+           (edev->mode & EEH_DEV_NO_HANDLER) || !was_in_error) {
+               edev->mode &= ~EEH_DEV_NO_HANDLER;
+-              eeh_pcid_put(dev);
+-              return NULL;
++              goto out;
+       }
+ 
+       driver->err_handler->resume(dev);
+ 
++out:
+       eeh_pcid_put(dev);
++out_no_dev:
++      device_unlock(&dev->dev);
+       return NULL;
+ }
+ 
+@@ -400,22 +412,25 @@ static void *eeh_report_failure(void *data, void 
*userdata)
+ 
+       if (!dev || eeh_dev_removed(edev) || eeh_pe_passed(edev->pe))
+               return NULL;
++
++      device_lock(&dev->dev);
+       dev->error_state = pci_channel_io_perm_failure;
+ 
+       driver = eeh_pcid_get(dev);
+-      if (!driver) return NULL;
++      if (!driver) goto out_no_dev;
+ 
+       eeh_disable_irq(dev);
+ 
+       if (!driver->err_handler ||
+-          !driver->err_handler->error_detected) {
+-              eeh_pcid_put(dev);
+-              return NULL;
+-      }
++          !driver->err_handler->error_detected)
++              goto out;
+ 
+       driver->err_handler->error_detected(dev, pci_channel_io_perm_failure);
+ 
++out:
+       eeh_pcid_put(dev);
++out_no_dev:
++      device_unlock(&dev->dev);
+       return NULL;
+ }
+ 
+diff --git a/arch/powerpc/platforms/powernv/opal-rtc.c 
b/arch/powerpc/platforms/powernv/opal-rtc.c
+index f8868864f373..aa2a5139462e 100644
+--- a/arch/powerpc/platforms/powernv/opal-rtc.c
++++ b/arch/powerpc/platforms/powernv/opal-rtc.c
+@@ -48,10 +48,12 @@ unsigned long __init opal_get_boot_time(void)
+ 
+       while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
+               rc = opal_rtc_read(&__y_m_d, &__h_m_s_ms);
+-              if (rc == OPAL_BUSY_EVENT)
++              if (rc == OPAL_BUSY_EVENT) {
++                      mdelay(OPAL_BUSY_DELAY_MS);
+                       opal_poll_events(NULL);
+-              else if (rc == OPAL_BUSY)
+-                      mdelay(10);
++              } else if (rc == OPAL_BUSY) {
++                      mdelay(OPAL_BUSY_DELAY_MS);
++              }
+       }
+       if (rc != OPAL_SUCCESS)
+               return 0;
+diff --git a/arch/x86/include/uapi/asm/msgbuf.h 
b/arch/x86/include/uapi/asm/msgbuf.h
+index 809134c644a6..90ab9a795b49 100644
+--- a/arch/x86/include/uapi/asm/msgbuf.h
++++ b/arch/x86/include/uapi/asm/msgbuf.h
+@@ -1 +1,32 @@
++/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
++#ifndef __ASM_X64_MSGBUF_H
++#define __ASM_X64_MSGBUF_H
++
++#if !defined(__x86_64__) || !defined(__ILP32__)
+ #include <asm-generic/msgbuf.h>
++#else
++/*
++ * The msqid64_ds structure for x86 architecture with x32 ABI.
++ *
++ * On x86-32 and x86-64 we can just use the generic definition, but
++ * x32 uses the same binary layout as x86_64, which is differnet
++ * from other 32-bit architectures.
++ */
++
++struct msqid64_ds {
++      struct ipc64_perm msg_perm;
++      __kernel_time_t msg_stime;      /* last msgsnd time */
++      __kernel_time_t msg_rtime;      /* last msgrcv time */
++      __kernel_time_t msg_ctime;      /* last change time */
++      __kernel_ulong_t msg_cbytes;    /* current number of bytes on queue */
++      __kernel_ulong_t msg_qnum;      /* number of messages in queue */
++      __kernel_ulong_t msg_qbytes;    /* max number of bytes on queue */
++      __kernel_pid_t msg_lspid;       /* pid of last msgsnd */
++      __kernel_pid_t msg_lrpid;       /* last receive pid */
++      __kernel_ulong_t __unused4;
++      __kernel_ulong_t __unused5;
++};
++
++#endif
++
++#endif /* __ASM_GENERIC_MSGBUF_H */
+diff --git a/arch/x86/include/uapi/asm/shmbuf.h 
b/arch/x86/include/uapi/asm/shmbuf.h
+index 83c05fc2de38..644421f3823b 100644
+--- a/arch/x86/include/uapi/asm/shmbuf.h
++++ b/arch/x86/include/uapi/asm/shmbuf.h
+@@ -1 +1,43 @@
++/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
++#ifndef __ASM_X86_SHMBUF_H
++#define __ASM_X86_SHMBUF_H
++
++#if !defined(__x86_64__) || !defined(__ILP32__)
+ #include <asm-generic/shmbuf.h>
++#else
++/*
++ * The shmid64_ds structure for x86 architecture with x32 ABI.
++ *
++ * On x86-32 and x86-64 we can just use the generic definition, but
++ * x32 uses the same binary layout as x86_64, which is differnet
++ * from other 32-bit architectures.
++ */
++
++struct shmid64_ds {
++      struct ipc64_perm       shm_perm;       /* operation perms */
++      size_t                  shm_segsz;      /* size of segment (bytes) */
++      __kernel_time_t         shm_atime;      /* last attach time */
++      __kernel_time_t         shm_dtime;      /* last detach time */
++      __kernel_time_t         shm_ctime;      /* last change time */
++      __kernel_pid_t          shm_cpid;       /* pid of creator */
++      __kernel_pid_t          shm_lpid;       /* pid of last operator */
++      __kernel_ulong_t        shm_nattch;     /* no. of current attaches */
++      __kernel_ulong_t        __unused4;
++      __kernel_ulong_t        __unused5;
++};
++
++struct shminfo64 {
++      __kernel_ulong_t        shmmax;
++      __kernel_ulong_t        shmmin;
++      __kernel_ulong_t        shmmni;
++      __kernel_ulong_t        shmseg;
++      __kernel_ulong_t        shmall;
++      __kernel_ulong_t        __unused1;
++      __kernel_ulong_t        __unused2;
++      __kernel_ulong_t        __unused3;
++      __kernel_ulong_t        __unused4;
++};
++
++#endif
++
++#endif /* __ASM_X86_SHMBUF_H */
+diff --git a/arch/x86/kernel/cpu/microcode/intel.c 
b/arch/x86/kernel/cpu/microcode/intel.c
+index 4bcd30c87531..79291d6fb301 100644
+--- a/arch/x86/kernel/cpu/microcode/intel.c
++++ b/arch/x86/kernel/cpu/microcode/intel.c
+@@ -474,7 +474,6 @@ static void show_saved_mc(void)
+  */
+ static void save_mc_for_early(u8 *mc)
+ {
+-#ifdef CONFIG_HOTPLUG_CPU
+       /* Synchronization during CPU hotplug. */
+       static DEFINE_MUTEX(x86_cpu_microcode_mutex);
+ 
+@@ -521,7 +520,6 @@ static void save_mc_for_early(u8 *mc)
+ 
+ out:
+       mutex_unlock(&x86_cpu_microcode_mutex);
+-#endif
+ }
+ 
+ static bool __init load_builtin_intel_microcode(struct cpio_data *cp)
+diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
+index e803d72ef525..83929cc47a4b 100644
+--- a/arch/x86/kernel/smpboot.c
++++ b/arch/x86/kernel/smpboot.c
+@@ -1591,6 +1591,8 @@ static inline void mwait_play_dead(void)
+       void *mwait_ptr;
+       int i;
+ 
++      if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
++              return;
+       if (!this_cpu_has(X86_FEATURE_MWAIT))
+               return;
+       if (!this_cpu_has(X86_FEATURE_CLFLUSH))
+diff --git a/crypto/drbg.c b/crypto/drbg.c
+index 942ddff68408..4bb5f93c94cd 100644
+--- a/crypto/drbg.c
++++ b/crypto/drbg.c
+@@ -1134,8 +1134,10 @@ static inline void drbg_dealloc_state(struct drbg_state 
*drbg)
+       if (!drbg)
+               return;
+       kzfree(drbg->Vbuf);
++      drbg->Vbuf = NULL;
+       drbg->V = NULL;
+       kzfree(drbg->Cbuf);
++      drbg->Cbuf = NULL;
+       drbg->C = NULL;
+       kzfree(drbg->scratchpadbuf);
+       drbg->scratchpadbuf = NULL;
+diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
+index a56fa2a1e9aa..93888ccb4e26 100644
+--- a/drivers/amba/bus.c
++++ b/drivers/amba/bus.c
+@@ -69,11 +69,12 @@ static ssize_t driver_override_show(struct device *_dev,
+                                   struct device_attribute *attr, char *buf)
+ {
+       struct amba_device *dev = to_amba_device(_dev);
++      ssize_t len;
+ 
+-      if (!dev->driver_override)
+-              return 0;
+-
+-      return sprintf(buf, "%s\n", dev->driver_override);
++      device_lock(_dev);
++      len = sprintf(buf, "%s\n", dev->driver_override);
++      device_unlock(_dev);
++      return len;
+ }
+ 
+ static ssize_t driver_override_store(struct device *_dev,
+@@ -81,9 +82,10 @@ static ssize_t driver_override_store(struct device *_dev,
+                                    const char *buf, size_t count)
+ {
+       struct amba_device *dev = to_amba_device(_dev);
+-      char *driver_override, *old = dev->driver_override, *cp;
++      char *driver_override, *old, *cp;
+ 
+-      if (count > PATH_MAX)
++      /* We need to keep extra room for a newline */
++      if (count >= (PAGE_SIZE - 1))
+               return -EINVAL;
+ 
+       driver_override = kstrndup(buf, count, GFP_KERNEL);
+@@ -94,12 +96,15 @@ static ssize_t driver_override_store(struct device *_dev,
+       if (cp)
+               *cp = '\0';
+ 
++      device_lock(_dev);
++      old = dev->driver_override;
+       if (strlen(driver_override)) {
+               dev->driver_override = driver_override;
+       } else {
+              kfree(driver_override);
+              dev->driver_override = NULL;
+       }
++      device_unlock(_dev);
+ 
+       kfree(old);
+ 
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 8d08a8062904..ddeac4eefd0a 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -259,6 +259,7 @@
+ #include <linux/kmemcheck.h>
+ #include <linux/workqueue.h>
+ #include <linux/irq.h>
++#include <linux/ratelimit.h>
+ #include <linux/syscalls.h>
+ #include <linux/completion.h>
+ #include <linux/uuid.h>
+@@ -444,6 +445,16 @@ static void _crng_backtrack_protect(struct crng_state 
*crng,
+                                   __u8 tmp[CHACHA20_BLOCK_SIZE], int used);
+ static void process_random_ready_list(void);
+ 
++static struct ratelimit_state unseeded_warning =
++      RATELIMIT_STATE_INIT("warn_unseeded_randomness", HZ, 3);
++static struct ratelimit_state urandom_warning =
++      RATELIMIT_STATE_INIT("warn_urandom_randomness", HZ, 3);
++
++static int ratelimit_disable __read_mostly;
++
++module_param_named(ratelimit_disable, ratelimit_disable, int, 0644);
++MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression");
++
+ /**********************************************************************
+  *
+  * OS independent entropy store.   Here are the functions which handle
+@@ -819,6 +830,39 @@ static int crng_fast_load(const char *cp, size_t len)
+       return 1;
+ }
+ 
++#ifdef CONFIG_NUMA
++static void do_numa_crng_init(struct work_struct *work)
++{
++      int i;
++      struct crng_state *crng;
++      struct crng_state **pool;
++
++      pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL);
++      for_each_online_node(i) {
++              crng = kmalloc_node(sizeof(struct crng_state),
++                                  GFP_KERNEL | __GFP_NOFAIL, i);
++              spin_lock_init(&crng->lock);
++              crng_initialize(crng);
++              pool[i] = crng;
++      }
++      mb();
++      if (cmpxchg(&crng_node_pool, NULL, pool)) {
++              for_each_node(i)
++                      kfree(pool[i]);
++              kfree(pool);
++      }
++}
++
++static DECLARE_WORK(numa_crng_init_work, do_numa_crng_init);
++
++static void numa_crng_init(void)
++{
++      schedule_work(&numa_crng_init_work);
++}
++#else
++static void numa_crng_init(void) {}
++#endif
++
+ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
+ {
+       unsigned long   flags;
+@@ -848,10 +892,23 @@ static void crng_reseed(struct crng_state *crng, struct 
entropy_store *r)
+       memzero_explicit(&buf, sizeof(buf));
+       crng->init_time = jiffies;
+       if (crng == &primary_crng && crng_init < 2) {
++              numa_crng_init();
+               crng_init = 2;
+               process_random_ready_list();
+               wake_up_interruptible(&crng_init_wait);
+               pr_notice("random: crng init done\n");
++              if (unseeded_warning.missed) {
++                      pr_notice("random: %d get_random_xx warning(s) missed "
++                                "due to ratelimiting\n",
++                                unseeded_warning.missed);
++                      unseeded_warning.missed = 0;
++              }
++              if (urandom_warning.missed) {
++                      pr_notice("random: %d urandom warning(s) missed "
++                                "due to ratelimiting\n",
++                                urandom_warning.missed);
++                      urandom_warning.missed = 0;
++              }
+       }
+       spin_unlock_irqrestore(&crng->lock, flags);
+ }
+@@ -1661,29 +1718,14 @@ static void init_std_data(struct entropy_store *r)
+  */
+ static int rand_initialize(void)
+ {
+-#ifdef CONFIG_NUMA
+-      int i;
+-      struct crng_state *crng;
+-      struct crng_state **pool;
+-#endif
+-
+       init_std_data(&input_pool);
+       init_std_data(&blocking_pool);
+       crng_initialize(&primary_crng);
+       crng_global_init_time = jiffies;
+-
+-#ifdef CONFIG_NUMA
+-      pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL);
+-      for_each_online_node(i) {
+-              crng = kmalloc_node(sizeof(struct crng_state),
+-                                  GFP_KERNEL | __GFP_NOFAIL, i);
+-              spin_lock_init(&crng->lock);
+-              crng_initialize(crng);
+-              pool[i] = crng;
++      if (ratelimit_disable) {
++              urandom_warning.interval = 0;
++              unseeded_warning.interval = 0;
+       }
+-      mb();
+-      crng_node_pool = pool;
+-#endif
+       return 0;
+ }
+ early_initcall(rand_initialize);
+@@ -1751,9 +1793,10 @@ urandom_read(struct file *file, char __user *buf, 
size_t nbytes, loff_t *ppos)
+ 
+       if (!crng_ready() && maxwarn > 0) {
+               maxwarn--;
+-              printk(KERN_NOTICE "random: %s: uninitialized urandom read "
+-                     "(%zd bytes read)\n",
+-                     current->comm, nbytes);
++              if (__ratelimit(&urandom_warning))
++                      printk(KERN_NOTICE "random: %s: uninitialized "
++                             "urandom read (%zd bytes read)\n",
++                             current->comm, nbytes);
+               spin_lock_irqsave(&primary_crng.lock, flags);
+               crng_init_cnt = 0;
+               spin_unlock_irqrestore(&primary_crng.lock, flags);
+diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
+index 8f890c1aca57..8c0017d48571 100644
+--- a/drivers/char/virtio_console.c
++++ b/drivers/char/virtio_console.c
+@@ -1405,7 +1405,6 @@ static int add_port(struct ports_device *portdev, u32 id)
+ {
+       char debugfs_name[16];
+       struct port *port;
+-      struct port_buffer *buf;
+       dev_t devt;
+       unsigned int nr_added_bufs;
+       int err;
+@@ -1516,8 +1515,6 @@ static int add_port(struct ports_device *portdev, u32 id)
+       return 0;
+ 
+ free_inbufs:
+-      while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
+-              free_buf(buf, true);
+ free_device:
+       device_destroy(pdrvdata.class, port->dev->devt);
+ free_cdev:
+@@ -1542,34 +1539,14 @@ static void remove_port(struct kref *kref)
+ 
+ static void remove_port_data(struct port *port)
+ {
+-      struct port_buffer *buf;
+-
+       spin_lock_irq(&port->inbuf_lock);
+       /* Remove unused data this port might have received. */
+       discard_port_data(port);
+       spin_unlock_irq(&port->inbuf_lock);
+ 
+-      /* Remove buffers we queued up for the Host to send us data in. */
+-      do {
+-              spin_lock_irq(&port->inbuf_lock);
+-              buf = virtqueue_detach_unused_buf(port->in_vq);
+-              spin_unlock_irq(&port->inbuf_lock);
+-              if (buf)
+-                      free_buf(buf, true);
+-      } while (buf);
+-
+       spin_lock_irq(&port->outvq_lock);
+       reclaim_consumed_buffers(port);
+       spin_unlock_irq(&port->outvq_lock);
+-
+-      /* Free pending buffers from the out-queue. */
+-      do {
+-              spin_lock_irq(&port->outvq_lock);
+-              buf = virtqueue_detach_unused_buf(port->out_vq);
+-              spin_unlock_irq(&port->outvq_lock);
+-              if (buf)
+-                      free_buf(buf, true);
+-      } while (buf);
+ }
+ 
+ /*
+@@ -1794,13 +1771,24 @@ static void control_work_handler(struct work_struct 
*work)
+       spin_unlock(&portdev->c_ivq_lock);
+ }
+ 
++static void flush_bufs(struct virtqueue *vq, bool can_sleep)
++{
++      struct port_buffer *buf;
++      unsigned int len;
++
++      while ((buf = virtqueue_get_buf(vq, &len)))
++              free_buf(buf, can_sleep);
++}
++
+ static void out_intr(struct virtqueue *vq)
+ {
+       struct port *port;
+ 
+       port = find_port_by_vq(vq->vdev->priv, vq);
+-      if (!port)
++      if (!port) {
++              flush_bufs(vq, false);
+               return;
++      }
+ 
+       wake_up_interruptible(&port->waitqueue);
+ }
+@@ -1811,8 +1799,10 @@ static void in_intr(struct virtqueue *vq)
+       unsigned long flags;
+ 
+       port = find_port_by_vq(vq->vdev->priv, vq);
+-      if (!port)
++      if (!port) {
++              flush_bufs(vq, false);
+               return;
++      }
+ 
+       spin_lock_irqsave(&port->inbuf_lock, flags);
+       port->inbuf = get_inbuf(port);
+@@ -1987,6 +1977,15 @@ static const struct file_operations portdev_fops = {
+ 
+ static void remove_vqs(struct ports_device *portdev)
+ {
++      struct virtqueue *vq;
++
++      virtio_device_for_each_vq(portdev->vdev, vq) {
++              struct port_buffer *buf;
++
++              flush_bufs(vq, true);
++              while ((buf = virtqueue_detach_unused_buf(vq)))
++                      free_buf(buf, true);
++      }
+       portdev->vdev->config->del_vqs(portdev->vdev);
+       kfree(portdev->in_vqs);
+       kfree(portdev->out_vqs);
+diff --git a/drivers/cpufreq/powernv-cpufreq.c 
b/drivers/cpufreq/powernv-cpufreq.c
+index 6fb3cd24c1b6..a1d7fa48229d 100644
+--- a/drivers/cpufreq/powernv-cpufreq.c
++++ b/drivers/cpufreq/powernv-cpufreq.c
+@@ -599,6 +599,16 @@ void gpstate_timer_handler(unsigned long data)
+ 
+       if (!spin_trylock(&gpstates->gpstate_lock))
+               return;
++      /*
++       * If the timer has migrated to the different cpu then bring
++       * it back to one of the policy->cpus
++       */
++      if (!cpumask_test_cpu(raw_smp_processor_id(), policy->cpus)) {
++              gpstates->timer.expires = jiffies + msecs_to_jiffies(1);
++              add_timer_on(&gpstates->timer, cpumask_first(policy->cpus));
++              spin_unlock(&gpstates->gpstate_lock);
++              return;
++      }
+ 
+       gpstates->last_sampled_time += time_diff;
+       gpstates->elapsed_time += time_diff;
+@@ -626,10 +636,8 @@ void gpstate_timer_handler(unsigned long data)
+       gpstates->last_gpstate_idx = pstate_to_idx(freq_data.gpstate_id);
+       gpstates->last_lpstate_idx = pstate_to_idx(freq_data.pstate_id);
+ 
++      set_pstate(&freq_data);
+       spin_unlock(&gpstates->gpstate_lock);
+-
+-      /* Timer may get migrated to a different cpu on cpu hot unplug */
+-      smp_call_function_any(policy->cpus, set_pstate, &freq_data, 1);
+ }
+ 
+ /*
+diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+index a88d365be4c5..564362e8b486 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+@@ -1484,10 +1484,11 @@ static const u32 sgpr_init_compute_shader[] =
+ static const u32 vgpr_init_regs[] =
+ {
+       mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0xffffffff,
+-      mmCOMPUTE_RESOURCE_LIMITS, 0,
++      mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */
+       mmCOMPUTE_NUM_THREAD_X, 256*4,
+       mmCOMPUTE_NUM_THREAD_Y, 1,
+       mmCOMPUTE_NUM_THREAD_Z, 1,
++      mmCOMPUTE_PGM_RSRC1, 0x100004f, /* VGPRS=15 (64 logical VGPRs), SGPRS=1 
(16 SGPRs), BULKY=1 */
+       mmCOMPUTE_PGM_RSRC2, 20,
+       mmCOMPUTE_USER_DATA_0, 0xedcedc00,
+       mmCOMPUTE_USER_DATA_1, 0xedcedc01,
+@@ -1504,10 +1505,11 @@ static const u32 vgpr_init_regs[] =
+ static const u32 sgpr1_init_regs[] =
+ {
+       mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0x0f,
+-      mmCOMPUTE_RESOURCE_LIMITS, 0x1000000,
++      mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */
+       mmCOMPUTE_NUM_THREAD_X, 256*5,
+       mmCOMPUTE_NUM_THREAD_Y, 1,
+       mmCOMPUTE_NUM_THREAD_Z, 1,
++      mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */
+       mmCOMPUTE_PGM_RSRC2, 20,
+       mmCOMPUTE_USER_DATA_0, 0xedcedc00,
+       mmCOMPUTE_USER_DATA_1, 0xedcedc01,
+@@ -1528,6 +1530,7 @@ static const u32 sgpr2_init_regs[] =
+       mmCOMPUTE_NUM_THREAD_X, 256*5,
+       mmCOMPUTE_NUM_THREAD_Y, 1,
+       mmCOMPUTE_NUM_THREAD_Z, 1,
++      mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */
+       mmCOMPUTE_PGM_RSRC2, 20,
+       mmCOMPUTE_USER_DATA_0, 0xedcedc00,
+       mmCOMPUTE_USER_DATA_1, 0xedcedc01,
+diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c 
b/drivers/gpu/drm/virtio/virtgpu_vq.c
+index 5a0f8a745b9d..52436b3c01bb 100644
+--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
++++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
+@@ -324,7 +324,7 @@ static int virtio_gpu_queue_ctrl_buffer_locked(struct 
virtio_gpu_device *vgdev,
+       ret = virtqueue_add_sgs(vq, sgs, outcnt, incnt, vbuf, GFP_ATOMIC);
+       if (ret == -ENOSPC) {
+               spin_unlock(&vgdev->ctrlq.qlock);
+-              wait_event(vgdev->ctrlq.ack_queue, vq->num_free);
++              wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= outcnt + 
incnt);
+               spin_lock(&vgdev->ctrlq.qlock);
+               goto retry;
+       } else {
+@@ -399,7 +399,7 @@ static int virtio_gpu_queue_cursor(struct 
virtio_gpu_device *vgdev,
+       ret = virtqueue_add_sgs(vq, sgs, outcnt, 0, vbuf, GFP_ATOMIC);
+       if (ret == -ENOSPC) {
+               spin_unlock(&vgdev->cursorq.qlock);
+-              wait_event(vgdev->cursorq.ack_queue, vq->num_free);
++              wait_event(vgdev->cursorq.ack_queue, vq->num_free >= outcnt);
+               spin_lock(&vgdev->cursorq.qlock);
+               goto retry;
+       } else {
+diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c 
b/drivers/mtd/chips/cfi_cmdset_0001.c
+index 5e1b68cbcd0a..e1b603ca0170 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0001.c
++++ b/drivers/mtd/chips/cfi_cmdset_0001.c
+@@ -45,6 +45,7 @@
+ #define I82802AB      0x00ad
+ #define I82802AC      0x00ac
+ #define PF38F4476     0x881c
++#define M28F00AP30    0x8963
+ /* STMicroelectronics chips */
+ #define M50LPW080       0x002F
+ #define M50FLW080A    0x0080
+@@ -375,6 +376,17 @@ static void cfi_fixup_major_minor(struct cfi_private *cfi,
+               extp->MinorVersion = '1';
+ }
+ 
++static int cfi_is_micron_28F00AP30(struct cfi_private *cfi, struct flchip 
*chip)
++{
++      /*
++       * Micron(was Numonyx) 1Gbit bottom boot are buggy w.r.t
++       * Erase Supend for their small Erase Blocks(0x8000)
++       */
++      if (cfi->mfr == CFI_MFR_INTEL && cfi->id == M28F00AP30)
++              return 1;
++      return 0;
++}
++
+ static inline struct cfi_pri_intelext *
+ read_pri_intelext(struct map_info *map, __u16 adr)
+ {
+@@ -831,21 +843,30 @@ static int chip_ready (struct map_info *map, struct 
flchip *chip, unsigned long
+                    (mode == FL_WRITING && (cfip->SuspendCmdSupport & 1))))
+                       goto sleep;
+ 
++              /* Do not allow suspend iff read/write to EB address */
++              if ((adr & chip->in_progress_block_mask) ==
++                  chip->in_progress_block_addr)
++                      goto sleep;
++
++              /* do not suspend small EBs, buggy Micron Chips */
++              if (cfi_is_micron_28F00AP30(cfi, chip) &&
++                  (chip->in_progress_block_mask == ~(0x8000-1)))
++                      goto sleep;
+ 
+               /* Erase suspend */
+-              map_write(map, CMD(0xB0), adr);
++              map_write(map, CMD(0xB0), chip->in_progress_block_addr);
+ 
+               /* If the flash has finished erasing, then 'erase suspend'
+                * appears to make some (28F320) flash devices switch to
+                * 'read' mode.  Make sure that we switch to 'read status'
+                * mode so we get the right data. --rmk
+                */
+-              map_write(map, CMD(0x70), adr);
++              map_write(map, CMD(0x70), chip->in_progress_block_addr);
+               chip->oldstate = FL_ERASING;
+               chip->state = FL_ERASE_SUSPENDING;
+               chip->erase_suspended = 1;
+               for (;;) {
+-                      status = map_read(map, adr);
++                      status = map_read(map, chip->in_progress_block_addr);
+                       if (map_word_andequal(map, status, status_OK, 
status_OK))
+                               break;
+ 
+@@ -1041,8 +1062,8 @@ static void put_chip(struct map_info *map, struct flchip 
*chip, unsigned long ad
+                  sending the 0x70 (Read Status) command to an erasing
+                  chip and expecting it to be ignored, that's what we
+                  do. */
+-              map_write(map, CMD(0xd0), adr);
+-              map_write(map, CMD(0x70), adr);
++              map_write(map, CMD(0xd0), chip->in_progress_block_addr);
++              map_write(map, CMD(0x70), chip->in_progress_block_addr);
+               chip->oldstate = FL_READY;
+               chip->state = FL_ERASING;
+               break;
+@@ -1933,6 +1954,8 @@ static int __xipram do_erase_oneblock(struct map_info 
*map, struct flchip *chip,
+       map_write(map, CMD(0xD0), adr);
+       chip->state = FL_ERASING;
+       chip->erase_suspended = 0;
++      chip->in_progress_block_addr = adr;
++      chip->in_progress_block_mask = ~(len - 1);
+ 
+       ret = INVAL_CACHE_AND_WAIT(map, chip, adr,
+                                  adr, len,
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c 
b/drivers/mtd/chips/cfi_cmdset_0002.c
+index 9dca881bb378..107c05b3ddbb 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -812,9 +812,10 @@ static int get_chip(struct map_info *map, struct flchip 
*chip, unsigned long adr
+                   (mode == FL_WRITING && (cfip->EraseSuspend & 0x2))))
+                       goto sleep;
+ 
+-              /* We could check to see if we're trying to access the sector
+-               * that is currently being erased. However, no user will try
+-               * anything like that so we just wait for the timeout. */
++              /* Do not allow suspend iff read/write to EB address */
++              if ((adr & chip->in_progress_block_mask) ==
++                  chip->in_progress_block_addr)
++                      goto sleep;
+ 
+               /* Erase suspend */
+               /* It's harmless to issue the Erase-Suspend and Erase-Resume
+@@ -2263,6 +2264,7 @@ static int __xipram do_erase_chip(struct map_info *map, 
struct flchip *chip)
+       chip->state = FL_ERASING;
+       chip->erase_suspended = 0;
+       chip->in_progress_block_addr = adr;
++      chip->in_progress_block_mask = ~(map->size - 1);
+ 
+       INVALIDATE_CACHE_UDELAY(map, chip,
+                               adr, map->size,
+@@ -2352,6 +2354,7 @@ static int __xipram do_erase_oneblock(struct map_info 
*map, struct flchip *chip,
+       chip->state = FL_ERASING;
+       chip->erase_suspended = 0;
+       chip->in_progress_block_addr = adr;
++      chip->in_progress_block_mask = ~(len - 1);
+ 
+       INVALIDATE_CACHE_UDELAY(map, chip,
+                               adr, len,
+diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
+index 502f5547a1f2..e9360d5cbcba 100644
+--- a/drivers/of/fdt.c
++++ b/drivers/of/fdt.c
+@@ -935,7 +935,7 @@ int __init early_init_dt_scan_chosen_stdout(void)
+       int offset;
+       const char *p, *q, *options = NULL;
+       int l;
+-      const struct earlycon_id *match;
++      const struct earlycon_id **p_match;
+       const void *fdt = initial_boot_params;
+ 
+       offset = fdt_path_offset(fdt, "/chosen");
+@@ -962,7 +962,10 @@ int __init early_init_dt_scan_chosen_stdout(void)
+               return 0;
+       }
+ 
+-      for (match = __earlycon_table; match < __earlycon_table_end; match++) {
++      for (p_match = __earlycon_table; p_match < __earlycon_table_end;
++           p_match++) {
++              const struct earlycon_id *match = *p_match;
++
+               if (!match->compatible[0])
+                       continue;
+ 
+diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
+index 4fce494271cc..11bad826683e 100644
+--- a/drivers/pci/host/pci-aardvark.c
++++ b/drivers/pci/host/pci-aardvark.c
+@@ -32,6 +32,7 @@
+ #define     PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT     5
+ #define     PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE            (0 << 11)
+ #define     PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT    12
++#define     PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ            0x2
+ #define PCIE_CORE_LINK_CTRL_STAT_REG                          0xd0
+ #define     PCIE_CORE_LINK_L0S_ENTRY                          BIT(0)
+ #define     PCIE_CORE_LINK_TRAINING                           BIT(5)
+@@ -175,8 +176,6 @@
+ #define PCIE_CONFIG_WR_TYPE0                  0xa
+ #define PCIE_CONFIG_WR_TYPE1                  0xb
+ 
+-/* PCI_BDF shifts 8bit, so we need extra 4bit shift */
+-#define PCIE_BDF(dev)                         (dev << 4)
+ #define PCIE_CONF_BUS(bus)                    (((bus) & 0xff) << 20)
+ #define PCIE_CONF_DEV(dev)                    (((dev) & 0x1f) << 15)
+ #define PCIE_CONF_FUNC(fun)                   (((fun) & 0x7)  << 12)
+@@ -298,7 +297,8 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
+       reg = PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE |
+               (7 << PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT) |
+               PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE |
+-              PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT;
++              (PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ <<
++               PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT);
+       advk_writel(pcie, reg, PCIE_CORE_DEV_CTRL_STATS_REG);
+ 
+       /* Program PCIe Control 2 to disable strict ordering */
+@@ -439,7 +439,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 
devfn,
+       u32 reg;
+       int ret;
+ 
+-      if (PCI_SLOT(devfn) != 0) {
++      if ((bus->number == pcie->root_bus_nr) && PCI_SLOT(devfn) != 0) {
+               *val = 0xffffffff;
+               return PCIBIOS_DEVICE_NOT_FOUND;
+       }
+@@ -458,7 +458,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 
devfn,
+       advk_writel(pcie, reg, PIO_CTRL);
+ 
+       /* Program the address registers */
+-      reg = PCIE_BDF(devfn) | PCIE_CONF_REG(where);
++      reg = PCIE_CONF_ADDR(bus->number, devfn, where);
+       advk_writel(pcie, reg, PIO_ADDR_LS);
+       advk_writel(pcie, 0, PIO_ADDR_MS);
+ 
+@@ -493,7 +493,7 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 
devfn,
+       int offset;
+       int ret;
+ 
+-      if (PCI_SLOT(devfn) != 0)
++      if ((bus->number == pcie->root_bus_nr) && PCI_SLOT(devfn) != 0)
+               return PCIBIOS_DEVICE_NOT_FOUND;
+ 
+       if (where % size)
+diff --git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c
+index aa53fceaa5e0..180ec1f8c917 100644
+--- a/drivers/rtc/rtc-opal.c
++++ b/drivers/rtc/rtc-opal.c
+@@ -57,7 +57,7 @@ static void tm_to_opal(struct rtc_time *tm, u32 *y_m_d, u64 
*h_m_s_ms)
+ 
+ static int opal_get_rtc_time(struct device *dev, struct rtc_time *tm)
+ {
+-      long rc = OPAL_BUSY;
++      s64 rc = OPAL_BUSY;
+       int retries = 10;
+       u32 y_m_d;
+       u64 h_m_s_ms;
+@@ -66,13 +66,17 @@ static int opal_get_rtc_time(struct device *dev, struct 
rtc_time *tm)
+ 
+       while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
+               rc = opal_rtc_read(&__y_m_d, &__h_m_s_ms);
+-              if (rc == OPAL_BUSY_EVENT)
++              if (rc == OPAL_BUSY_EVENT) {
++                      msleep(OPAL_BUSY_DELAY_MS);
+                       opal_poll_events(NULL);
+-              else if (retries-- && (rc == OPAL_HARDWARE
+-                                     || rc == OPAL_INTERNAL_ERROR))
+-                      msleep(10);
+-              else if (rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT)
+-                      break;
++              } else if (rc == OPAL_BUSY) {
++                      msleep(OPAL_BUSY_DELAY_MS);
++              } else if (rc == OPAL_HARDWARE || rc == OPAL_INTERNAL_ERROR) {
++                      if (retries--) {
++                              msleep(10); /* Wait 10ms before retry */
++                              rc = OPAL_BUSY; /* go around again */
++                      }
++              }
+       }
+ 
+       if (rc != OPAL_SUCCESS)
+@@ -87,21 +91,26 @@ static int opal_get_rtc_time(struct device *dev, struct 
rtc_time *tm)
+ 
+ static int opal_set_rtc_time(struct device *dev, struct rtc_time *tm)
+ {
+-      long rc = OPAL_BUSY;
++      s64 rc = OPAL_BUSY;
+       int retries = 10;
+       u32 y_m_d = 0;
+       u64 h_m_s_ms = 0;
+ 
+       tm_to_opal(tm, &y_m_d, &h_m_s_ms);
++
+       while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
+               rc = opal_rtc_write(y_m_d, h_m_s_ms);
+-              if (rc == OPAL_BUSY_EVENT)
++              if (rc == OPAL_BUSY_EVENT) {
++                      msleep(OPAL_BUSY_DELAY_MS);
+                       opal_poll_events(NULL);
+-              else if (retries-- && (rc == OPAL_HARDWARE
+-                                     || rc == OPAL_INTERNAL_ERROR))
+-                      msleep(10);
+-              else if (rc != OPAL_BUSY && rc != OPAL_BUSY_EVENT)
+-                      break;
++              } else if (rc == OPAL_BUSY) {
++                      msleep(OPAL_BUSY_DELAY_MS);
++              } else if (rc == OPAL_HARDWARE || rc == OPAL_INTERNAL_ERROR) {
++                      if (retries--) {
++                              msleep(10); /* Wait 10ms before retry */
++                              rc = OPAL_BUSY; /* go around again */
++                      }
++              }
+       }
+ 
+       return rc == OPAL_SUCCESS ? 0 : -EIO;
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index ace56c5e61e1..14ba1a2c0b7c 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -1935,6 +1935,8 @@ sd_spinup_disk(struct scsi_disk *sdkp)
+                               break;  /* standby */
+                       if (sshdr.asc == 4 && sshdr.ascq == 0xc)
+                               break;  /* unavailable */
++                      if (sshdr.asc == 4 && sshdr.ascq == 0x1b)
++                              break;  /* sanitize in progress */
+                       /*
+                        * Issue command to spin up drive when not ready
+                        */
+diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
+index fe2291795d2f..9e9016e67843 100644
+--- a/drivers/tty/n_gsm.c
++++ b/drivers/tty/n_gsm.c
+@@ -137,6 +137,9 @@ struct gsm_dlci {
+       struct mutex mutex;
+ 
+       /* Link layer */
++      int mode;
++#define DLCI_MODE_ABM         0       /* Normal Asynchronous Balanced Mode */
++#define DLCI_MODE_ADM         1       /* Asynchronous Disconnected Mode */
+       spinlock_t lock;        /* Protects the internal state */
+       struct timer_list t1;   /* Retransmit timer for SABM and UA */
+       int retries;
+@@ -1380,7 +1383,13 @@ static struct gsm_control *gsm_control_send(struct 
gsm_mux *gsm,
+       ctrl->data = data;
+       ctrl->len = clen;
+       gsm->pending_cmd = ctrl;
+-      gsm->cretries = gsm->n2;
++
++      /* If DLCI0 is in ADM mode skip retries, it won't respond */
++      if (gsm->dlci[0]->mode == DLCI_MODE_ADM)
++              gsm->cretries = 1;
++      else
++              gsm->cretries = gsm->n2;
++
+       mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100);
+       gsm_control_transmit(gsm, ctrl);
+       spin_unlock_irqrestore(&gsm->control_lock, flags);
+@@ -1488,6 +1497,7 @@ static void gsm_dlci_t1(unsigned long data)
+                       if (debug & 8)
+                               pr_info("DLCI %d opening in ADM mode.\n",
+                                       dlci->addr);
++                      dlci->mode = DLCI_MODE_ADM;
+                       gsm_dlci_open(dlci);
+               } else {
+                       gsm_dlci_close(dlci);
+@@ -2865,11 +2875,22 @@ static int gsmtty_modem_update(struct gsm_dlci *dlci, 
u8 brk)
+ static int gsm_carrier_raised(struct tty_port *port)
+ {
+       struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
++      struct gsm_mux *gsm = dlci->gsm;
++
+       /* Not yet open so no carrier info */
+       if (dlci->state != DLCI_OPEN)
+               return 0;
+       if (debug & 2)
+               return 1;
++
++      /*
++       * Basic mode with control channel in ADM mode may not respond
++       * to CMD_MSC at all and modem_rx is empty.
++       */
++      if (gsm->encoding == 0 && gsm->dlci[0]->mode == DLCI_MODE_ADM &&
++          !dlci->modem_rx)
++              return 1;
++
+       return dlci->modem_rx & TIOCM_CD;
+ }
+ 
+diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
+index 3b31fd8863eb..b9a4625b8690 100644
+--- a/drivers/tty/serial/earlycon.c
++++ b/drivers/tty/serial/earlycon.c
+@@ -172,7 +172,7 @@ static int __init register_earlycon(char *buf, const 
struct earlycon_id *match)
+  */
+ int __init setup_earlycon(char *buf)
+ {
+-      const struct earlycon_id *match;
++      const struct earlycon_id **p_match;
+ 
+       if (!buf || !buf[0])
+               return -EINVAL;
+@@ -180,7 +180,9 @@ int __init setup_earlycon(char *buf)
+       if (early_con.flags & CON_ENABLED)
+               return -EALREADY;
+ 
+-      for (match = __earlycon_table; match < __earlycon_table_end; match++) {
++      for (p_match = __earlycon_table; p_match < __earlycon_table_end;
++           p_match++) {
++              const struct earlycon_id *match = *p_match;
+               size_t len = strlen(match->name);
+ 
+               if (strncmp(buf, match->name, len))
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
+index 4ee0a9de7556..789c81482542 100644
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -3170,7 +3170,10 @@ struct tty_struct *alloc_tty_struct(struct tty_driver 
*driver, int idx)
+ 
+       kref_init(&tty->kref);
+       tty->magic = TTY_MAGIC;
+-      tty_ldisc_init(tty);
++      if (tty_ldisc_init(tty)) {
++              kfree(tty);
++              return NULL;
++      }
+       tty->session = NULL;
+       tty->pgrp = NULL;
+       mutex_init(&tty->legacy_mutex);
+diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
+index 3a9e2a2fd4c6..4ab518d43758 100644
+--- a/drivers/tty/tty_ldisc.c
++++ b/drivers/tty/tty_ldisc.c
+@@ -175,12 +175,11 @@ static struct tty_ldisc *tty_ldisc_get(struct tty_struct 
*tty, int disc)
+                       return ERR_CAST(ldops);
+       }
+ 
+-      ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL);
+-      if (ld == NULL) {
+-              put_ldops(ldops);
+-              return ERR_PTR(-ENOMEM);
+-      }
+-
++      /*
++       * There is no way to handle allocation failure of only 16 bytes.
++       * Let's simplify error handling and save more memory.
++       */
++      ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL | __GFP_NOFAIL);
+       ld->ops = ldops;
+       ld->tty = tty;
+ 
+@@ -753,12 +752,13 @@ void tty_ldisc_release(struct tty_struct *tty)
+  *    the tty structure is not completely set up when this call is made.
+  */
+ 
+-void tty_ldisc_init(struct tty_struct *tty)
++int tty_ldisc_init(struct tty_struct *tty)
+ {
+       struct tty_ldisc *ld = tty_ldisc_get(tty, N_TTY);
+       if (IS_ERR(ld))
+-              panic("n_tty: init_tty");
++              return PTR_ERR(ld);
+       tty->ldisc = ld;
++      return 0;
+ }
+ 
+ /**
+diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
+index fcc7aa248ce7..bdb0d7a08ff9 100644
+--- a/drivers/usb/core/hcd.c
++++ b/drivers/usb/core/hcd.c
+@@ -2365,6 +2365,7 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd)
+ 
+       spin_lock_irqsave (&hcd_root_hub_lock, flags);
+       if (hcd->rh_registered) {
++              pm_wakeup_event(&hcd->self.root_hub->dev, 0);
+               set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags);
+               queue_work(pm_wq, &hcd->wakeup_work);
+       }
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index d0d3f9ef9f10..d8d992b73e88 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -648,12 +648,17 @@ void usb_wakeup_notification(struct usb_device *hdev,
+               unsigned int portnum)
+ {
+       struct usb_hub *hub;
++      struct usb_port *port_dev;
+ 
+       if (!hdev)
+               return;
+ 
+       hub = usb_hub_to_struct_hub(hdev);
+       if (hub) {
++              port_dev = hub->ports[portnum - 1];
++              if (port_dev && port_dev->child)
++                      pm_wakeup_event(&port_dev->child->dev, 0);
++
+               set_bit(portnum, hub->wakeup_bits);
+               kick_hub_wq(hub);
+       }
+@@ -3417,8 +3422,11 @@ int usb_port_resume(struct usb_device *udev, 
pm_message_t msg)
+ 
+       /* Skip the initial Clear-Suspend step for a remote wakeup */
+       status = hub_port_status(hub, port1, &portstatus, &portchange);
+-      if (status == 0 && !port_is_suspended(hub, portstatus))
++      if (status == 0 && !port_is_suspended(hub, portstatus)) {
++              if (portchange & USB_PORT_STAT_C_SUSPEND)
++                      pm_wakeup_event(&udev->dev, 0);
+               goto SuspendCleared;
++      }
+ 
+       /* see 7.1.7.7; affects power usage, but not budgeting */
+       if (hub_is_superspeed(hub->hdev))
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 4f1c6f8d4352..40ce175655e6 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -45,6 +45,9 @@ static const struct usb_device_id usb_quirk_list[] = {
+       { USB_DEVICE(0x03f0, 0x0701), .driver_info =
+                       USB_QUIRK_STRING_FETCH_255 },
+ 
++      /* HP v222w 16GB Mini USB Drive */
++      { USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT },
++
+       /* Creative SB Audigy 2 NX */
+       { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
+diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
+index 584ae8cbaf1c..77c3ebe860c5 100644
+--- a/drivers/usb/serial/Kconfig
++++ b/drivers/usb/serial/Kconfig
+@@ -62,6 +62,7 @@ config USB_SERIAL_SIMPLE
+               - Fundamental Software dongle.
+               - Google USB serial devices
+               - HP4x calculators
++              - Libtransistor USB console
+               - a number of Motorola phones
+               - Motorola Tetra devices
+               - Novatel Wireless GPS receivers
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index cab80acace4e..d98531823998 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -211,6 +211,7 @@ static const struct usb_device_id id_table[] = {
+       { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
+       { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */
+       { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */
++      { USB_DEVICE(0x3923, 0x7A0B) }, /* National Instruments USB Serial 
Console */
+       { USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */
+       { } /* Terminating Entry */
+ };
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 71cbc6890ac4..2e2f736384ab 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -1911,7 +1911,8 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
+               return ftdi_jtag_probe(serial);
+ 
+       if (udev->product &&
+-              (!strcmp(udev->product, "BeagleBone/XDS100V2") ||
++              (!strcmp(udev->product, "Arrow USB Blaster") ||
++               !strcmp(udev->product, "BeagleBone/XDS100V2") ||
+                !strcmp(udev->product, "SNAP Connect E10")))
+               return ftdi_jtag_probe(serial);
+ 
+diff --git a/drivers/usb/serial/usb-serial-simple.c 
b/drivers/usb/serial/usb-serial-simple.c
+index 6aa7ff2c1cf7..2674da40d9cd 100644
+--- a/drivers/usb/serial/usb-serial-simple.c
++++ b/drivers/usb/serial/usb-serial-simple.c
+@@ -66,6 +66,11 @@ DEVICE(flashloader, FLASHLOADER_IDS);
+                                       0x01) }
+ DEVICE(google, GOOGLE_IDS);
+ 
++/* Libtransistor USB console */
++#define LIBTRANSISTOR_IDS()                   \
++      { USB_DEVICE(0x1209, 0x8b00) }
++DEVICE(libtransistor, LIBTRANSISTOR_IDS);
++
+ /* ViVOpay USB Serial Driver */
+ #define VIVOPAY_IDS()                 \
+       { USB_DEVICE(0x1d5f, 0x1004) }  /* ViVOpay 8800 */
+@@ -113,6 +118,7 @@ static struct usb_serial_driver * const serial_drivers[] = 
{
+       &funsoft_device,
+       &flashloader_device,
+       &google_device,
++      &libtransistor_device,
+       &vivopay_device,
+       &moto_modem_device,
+       &motorola_tetra_device,
+@@ -129,6 +135,7 @@ static const struct usb_device_id id_table[] = {
+       FUNSOFT_IDS(),
+       FLASHLOADER_IDS(),
+       GOOGLE_IDS(),
++      LIBTRANSISTOR_IDS(),
+       VIVOPAY_IDS(),
+       MOTO_IDS(),
+       MOTOROLA_TETRA_IDS(),
+diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
+index 325b4c05acdd..f761e02e75c9 100644
+--- a/drivers/usb/usbip/stub_main.c
++++ b/drivers/usb/usbip/stub_main.c
+@@ -201,7 +201,12 @@ static ssize_t rebind_store(struct device_driver *dev, 
const char *buf,
+       if (!bid)
+               return -ENODEV;
+ 
++      /* device_attach() callers should hold parent lock for USB */
++      if (bid->udev->dev.parent)
++              device_lock(bid->udev->dev.parent);
+       ret = device_attach(&bid->udev->dev);
++      if (bid->udev->dev.parent)
++              device_unlock(bid->udev->dev.parent);
+       if (ret < 0) {
+               dev_err(&bid->udev->dev, "rebind failed\n");
+               return ret;
+diff --git a/drivers/usb/usbip/usbip_common.h 
b/drivers/usb/usbip/usbip_common.h
+index f0b955f8504e..109e65ba01a0 100644
+--- a/drivers/usb/usbip/usbip_common.h
++++ b/drivers/usb/usbip/usbip_common.h
+@@ -258,7 +258,7 @@ enum usbip_side {
+ #define       VUDC_EVENT_ERROR_USB    (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+ #define       VUDC_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+ 
+-#define       VDEV_EVENT_REMOVED      (USBIP_EH_SHUTDOWN | USBIP_EH_BYE)
++#define       VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | 
USBIP_EH_BYE)
+ #define       VDEV_EVENT_DOWN         (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+ #define       VDEV_EVENT_ERROR_TCP    (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+ #define       VDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
+index f1635662c299..f8f7f3803a99 100644
+--- a/drivers/usb/usbip/usbip_event.c
++++ b/drivers/usb/usbip/usbip_event.c
+@@ -105,10 +105,6 @@ static void event_handler(struct work_struct *work)
+                       unset_event(ud, USBIP_EH_UNUSABLE);
+               }
+ 
+-              /* Stop the error handler. */
+-              if (ud->event & USBIP_EH_BYE)
+-                      usbip_dbg_eh("removed %p\n", ud);
+-
+               wake_up(&ud->eh_waitq);
+       }
+ }
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index 176b4b27a27a..6776f4aa3d12 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -320,6 +320,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct 
super_block *sb,
+       struct ext4_sb_info *sbi = EXT4_SB(sb);
+       ext4_grpblk_t offset;
+       ext4_grpblk_t next_zero_bit;
++      ext4_grpblk_t max_bit = EXT4_CLUSTERS_PER_GROUP(sb);
+       ext4_fsblk_t blk;
+       ext4_fsblk_t group_first_block;
+ 
+@@ -337,20 +338,25 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct 
super_block *sb,
+       /* check whether block bitmap block number is set */
+       blk = ext4_block_bitmap(sb, desc);
+       offset = blk - group_first_block;
+-      if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))
++      if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit ||
++          !ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))
+               /* bad block bitmap */
+               return blk;
+ 
+       /* check whether the inode bitmap block number is set */
+       blk = ext4_inode_bitmap(sb, desc);
+       offset = blk - group_first_block;
+-      if (!ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))
++      if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit ||
++          !ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data))
+               /* bad block bitmap */
+               return blk;
+ 
+       /* check whether the inode table block number is set */
+       blk = ext4_inode_table(sb, desc);
+       offset = blk - group_first_block;
++      if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit ||
++          EXT4_B2C(sbi, offset + sbi->s_itb_per_group) >= max_bit)
++              return blk;
+       next_zero_bit = ext4_find_next_zero_bit(bh->b_data,
+                       EXT4_B2C(sbi, offset + EXT4_SB(sb)->s_itb_per_group),
+                       EXT4_B2C(sbi, offset));
+@@ -416,6 +422,7 @@ struct buffer_head *
+ ext4_read_block_bitmap_nowait(struct super_block *sb, ext4_group_t 
block_group)
+ {
+       struct ext4_group_desc *desc;
++      struct ext4_sb_info *sbi = EXT4_SB(sb);
+       struct buffer_head *bh;
+       ext4_fsblk_t bitmap_blk;
+       int err;
+@@ -424,6 +431,12 @@ ext4_read_block_bitmap_nowait(struct super_block *sb, 
ext4_group_t block_group)
+       if (!desc)
+               return ERR_PTR(-EFSCORRUPTED);
+       bitmap_blk = ext4_block_bitmap(sb, desc);
++      if ((bitmap_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) ||
++          (bitmap_blk >= ext4_blocks_count(sbi->s_es))) {
++              ext4_error(sb, "Invalid block bitmap block %llu in "
++                         "block_group %u", bitmap_blk, block_group);
++              return ERR_PTR(-EFSCORRUPTED);
++      }
+       bh = sb_getblk(sb, bitmap_blk);
+       if (unlikely(!bh)) {
+               ext4_error(sb, "Cannot get buffer for block bitmap - "
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index 1a0c57100f28..63c702b4b24c 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -5356,8 +5356,9 @@ ext4_ext_shift_extents(struct inode *inode, handle_t 
*handle,
+       stop = le32_to_cpu(extent->ee_block);
+ 
+        /*
+-       * In case of left shift, Don't start shifting extents until we make
+-       * sure the hole is big enough to accommodate the shift.
++      * For left shifts, make sure the hole on the left is big enough to
++      * accommodate the shift.  For right shifts, make sure the last extent
++      * won't be shifted beyond EXT_MAX_BLOCKS.
+       */
+       if (SHIFT == SHIFT_LEFT) {
+               path = ext4_find_extent(inode, start - 1, &path,
+@@ -5377,9 +5378,14 @@ ext4_ext_shift_extents(struct inode *inode, handle_t 
*handle,
+ 
+               if ((start == ex_start && shift > ex_start) ||
+                   (shift > start - ex_end)) {
+-                      ext4_ext_drop_refs(path);
+-                      kfree(path);
+-                      return -EINVAL;
++                      ret = -EINVAL;
++                      goto out;
++              }
++      } else {
++              if (shift > EXT_MAX_BLOCKS -
++                  (stop + ext4_ext_get_actual_len(extent))) {
++                      ret = -EINVAL;
++                      goto out;
+               }
+       }
+ 
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 79a9a1bddafc..dcf63daefee0 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -119,6 +119,7 @@ static struct buffer_head *
+ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
+ {
+       struct ext4_group_desc *desc;
++      struct ext4_sb_info *sbi = EXT4_SB(sb);
+       struct buffer_head *bh = NULL;
+       ext4_fsblk_t bitmap_blk;
+       int err;
+@@ -128,6 +129,12 @@ ext4_read_inode_bitmap(struct super_block *sb, 
ext4_group_t block_group)
+               return ERR_PTR(-EFSCORRUPTED);
+ 
+       bitmap_blk = ext4_inode_bitmap(sb, desc);
++      if ((bitmap_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) ||
++          (bitmap_blk >= ext4_blocks_count(sbi->s_es))) {
++              ext4_error(sb, "Invalid inode bitmap blk %llu in "
++                         "block_group %u", bitmap_blk, block_group);
++              return ERR_PTR(-EFSCORRUPTED);
++      }
+       bh = sb_getblk(sb, bitmap_blk);
+       if (unlikely(!bh)) {
+               ext4_error(sb, "Cannot read inode bitmap - "
+diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
+index 4e5c6103b76c..9e9e0936138b 100644
+--- a/fs/jbd2/transaction.c
++++ b/fs/jbd2/transaction.c
+@@ -528,6 +528,7 @@ int jbd2_journal_start_reserved(handle_t *handle, unsigned 
int type,
+        */
+       ret = start_this_handle(journal, handle, GFP_NOFS);
+       if (ret < 0) {
++              handle->h_journal = journal;
+               jbd2_journal_free_reserved(handle);
+               return ret;
+       }
+diff --git a/include/asm-generic/vmlinux.lds.h 
b/include/asm-generic/vmlinux.lds.h
+index 2e6000a4eb2c..1462071a19bf 100644
+--- a/include/asm-generic/vmlinux.lds.h
++++ b/include/asm-generic/vmlinux.lds.h
+@@ -170,7 +170,7 @@
+ #endif
+ 
+ #ifdef CONFIG_SERIAL_EARLYCON
+-#define EARLYCON_TABLE() STRUCT_ALIGN();                      \
++#define EARLYCON_TABLE() . = ALIGN(8);                                \
+                        VMLINUX_SYMBOL(__earlycon_table) = .;  \
+                        *(__earlycon_table)                    \
+                        VMLINUX_SYMBOL(__earlycon_table_end) = .;
+diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
+index b63fa457febd..3529683f691e 100644
+--- a/include/linux/mtd/flashchip.h
++++ b/include/linux/mtd/flashchip.h
+@@ -85,6 +85,7 @@ struct flchip {
+       unsigned int write_suspended:1;
+       unsigned int erase_suspended:1;
+       unsigned long in_progress_block_addr;
++      unsigned long in_progress_block_mask;
+ 
+       struct mutex mutex;
+       wait_queue_head_t wq; /* Wait on here when we're waiting for the chip
+diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
+index 344201437017..7b16c5322673 100644
+--- a/include/linux/serial_core.h
++++ b/include/linux/serial_core.h
+@@ -347,10 +347,10 @@ struct earlycon_id {
+       char    name[16];
+       char    compatible[128];
+       int     (*setup)(struct earlycon_device *, const char *options);
+-} __aligned(32);
++};
+ 
+-extern const struct earlycon_id __earlycon_table[];
+-extern const struct earlycon_id __earlycon_table_end[];
++extern const struct earlycon_id *__earlycon_table[];
++extern const struct earlycon_id *__earlycon_table_end[];
+ 
+ #if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE)
+ #define EARLYCON_USED_OR_UNUSED       __used
+@@ -358,12 +358,19 @@ extern const struct earlycon_id __earlycon_table_end[];
+ #define EARLYCON_USED_OR_UNUSED       __maybe_unused
+ #endif
+ 
+-#define OF_EARLYCON_DECLARE(_name, compat, fn)                                
\
+-      static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \
+-           EARLYCON_USED_OR_UNUSED __section(__earlycon_table)        \
++#define _OF_EARLYCON_DECLARE(_name, compat, fn, unique_id)            \
++      static const struct earlycon_id unique_id                       \
++           EARLYCON_USED_OR_UNUSED __initconst                        \
+               = { .name = __stringify(_name),                         \
+                   .compatible = compat,                               \
+-                  .setup = fn  }
++                  .setup = fn  };                                     \
++      static const struct earlycon_id EARLYCON_USED_OR_UNUSED         \
++              __section(__earlycon_table)                             \
++              * const __PASTE(__p, unique_id) = &unique_id
++
++#define OF_EARLYCON_DECLARE(_name, compat, fn)                                
\
++      _OF_EARLYCON_DECLARE(_name, compat, fn,                         \
++                           __UNIQUE_ID(__earlycon_##_name))
+ 
+ #define EARLYCON_DECLARE(_name, fn)   OF_EARLYCON_DECLARE(_name, "", fn)
+ 
+diff --git a/include/linux/tty.h b/include/linux/tty.h
+index 6f1ee8528210..fe1b8623a3a1 100644
+--- a/include/linux/tty.h
++++ b/include/linux/tty.h
+@@ -657,7 +657,7 @@ extern int tty_unregister_ldisc(int disc);
+ extern int tty_set_ldisc(struct tty_struct *tty, int disc);
+ extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty);
+ extern void tty_ldisc_release(struct tty_struct *tty);
+-extern void tty_ldisc_init(struct tty_struct *tty);
++extern int __must_check tty_ldisc_init(struct tty_struct *tty);
+ extern void tty_ldisc_deinit(struct tty_struct *tty);
+ extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, unsigned char *p,
+                                char *f, int count);
+diff --git a/include/linux/virtio.h b/include/linux/virtio.h
+index d5eb5479a425..3f8f35053260 100644
+--- a/include/linux/virtio.h
++++ b/include/linux/virtio.h
+@@ -143,6 +143,9 @@ int virtio_device_freeze(struct virtio_device *dev);
+ int virtio_device_restore(struct virtio_device *dev);
+ #endif
+ 
++#define virtio_device_for_each_vq(vdev, vq) \
++      list_for_each_entry(vq, &vdev->vqs, list)
++
+ /**
+  * virtio_driver - operations for a virtio I/O driver
+  * @driver: underlying device driver (populate name and owner).
+diff --git a/include/sound/control.h b/include/sound/control.h
+index 21d047f229a1..4142757080f8 100644
+--- a/include/sound/control.h
++++ b/include/sound/control.h
+@@ -22,6 +22,7 @@
+  *
+  */
+ 
++#include <linux/nospec.h>
+ #include <sound/asound.h>
+ 
+ #define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data)
+@@ -147,12 +148,14 @@ int snd_ctl_get_preferred_subdevice(struct snd_card 
*card, int type);
+ 
+ static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, 
struct snd_ctl_elem_id *id)
+ {
+-      return id->numid - kctl->id.numid;
++      unsigned int ioff = id->numid - kctl->id.numid;
++      return array_index_nospec(ioff, kctl->count);
+ }
+ 
+ static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, 
struct snd_ctl_elem_id *id)
+ {
+-      return id->index - kctl->id.index;
++      unsigned int ioff = id->index - kctl->id.index;
++      return array_index_nospec(ioff, kctl->count);
+ }
+ 
+ static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct 
snd_ctl_elem_id *id)
+diff --git a/lib/kobject.c b/lib/kobject.c
+index 445dcaeb0f56..b733a83e5294 100644
+--- a/lib/kobject.c
++++ b/lib/kobject.c
+@@ -234,14 +234,12 @@ static int kobject_add_internal(struct kobject *kobj)
+ 
+               /* be noisy on error issues */
+               if (error == -EEXIST)
+-                      WARN(1, "%s failed for %s with "
+-                           "-EEXIST, don't try to register things with "
+-                           "the same name in the same directory.\n",
+-                           __func__, kobject_name(kobj));
++                      pr_err("%s failed for %s with -EEXIST, don't try to 
register things with the same name in the same directory.\n",
++                             __func__, kobject_name(kobj));
+               else
+-                      WARN(1, "%s failed for %s (error: %d parent: %s)\n",
+-                           __func__, kobject_name(kobj), error,
+-                           parent ? kobject_name(parent) : "'none'");
++                      pr_err("%s failed for %s (error: %d parent: %s)\n",
++                             __func__, kobject_name(kobj), error,
++                             parent ? kobject_name(parent) : "'none'");
+       } else
+               kobj->state_in_sysfs = 1;
+ 
+diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
+index 25a30be862e9..98ea28dc03f9 100644
+--- a/net/ceph/messenger.c
++++ b/net/ceph/messenger.c
+@@ -2512,6 +2512,11 @@ static int try_write(struct ceph_connection *con)
+       int ret = 1;
+ 
+       dout("try_write start %p state %lu\n", con, con->state);
++      if (con->state != CON_STATE_PREOPEN &&
++          con->state != CON_STATE_CONNECTING &&
++          con->state != CON_STATE_NEGOTIATING &&
++          con->state != CON_STATE_OPEN)
++              return 0;
+ 
+ more:
+       dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);
+@@ -2537,6 +2542,8 @@ static int try_write(struct ceph_connection *con)
+       }
+ 
+ more_kvec:
++      BUG_ON(!con->sock);
++
+       /* kvec data queued? */
+       if (con->out_kvec_left) {
+               ret = write_partial_kvec(con);
+diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
+index a8effc8b7280..500481003de4 100644
+--- a/net/ceph/mon_client.c
++++ b/net/ceph/mon_client.c
+@@ -209,6 +209,14 @@ static void reopen_session(struct ceph_mon_client *monc)
+       __open_session(monc);
+ }
+ 
++static void un_backoff(struct ceph_mon_client *monc)
++{
++      monc->hunt_mult /= 2; /* reduce by 50% */
++      if (monc->hunt_mult < 1)
++              monc->hunt_mult = 1;
++      dout("%s hunt_mult now %d\n", __func__, monc->hunt_mult);
++}
++
+ /*
+  * Reschedule delayed work timer.
+  */
+@@ -955,6 +963,7 @@ static void delayed_work(struct work_struct *work)
+               if (!monc->hunting) {
+                       ceph_con_keepalive(&monc->con);
+                       __validate_auth(monc);
++                      un_backoff(monc);
+               }
+ 
+               if (is_auth) {
+@@ -1114,9 +1123,8 @@ static void finish_hunting(struct ceph_mon_client *monc)
+               dout("%s found mon%d\n", __func__, monc->cur_mon);
+               monc->hunting = false;
+               monc->had_a_connection = true;
+-              monc->hunt_mult /= 2; /* reduce by 50% */
+-              if (monc->hunt_mult < 1)
+-                      monc->hunt_mult = 1;
++              un_backoff(monc);
++              __schedule_delayed(monc);
+       }
+ }
+ 
+diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
+index d503285867e7..79018697b477 100644
+--- a/sound/core/pcm_native.c
++++ b/sound/core/pcm_native.c
+@@ -2729,6 +2729,7 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream 
*substream,
+       sync_ptr.s.status.hw_ptr = status->hw_ptr;
+       sync_ptr.s.status.tstamp = status->tstamp;
+       sync_ptr.s.status.suspended_state = status->suspended_state;
++      sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
+       snd_pcm_stream_unlock_irq(substream);
+       if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
+               return -EFAULT;
+diff --git a/sound/core/seq/oss/seq_oss_event.c 
b/sound/core/seq/oss/seq_oss_event.c
+index c3908862bc8b..86ca584c27b2 100644
+--- a/sound/core/seq/oss/seq_oss_event.c
++++ b/sound/core/seq/oss/seq_oss_event.c
+@@ -26,6 +26,7 @@
+ #include <sound/seq_oss_legacy.h>
+ #include "seq_oss_readq.h"
+ #include "seq_oss_writeq.h"
++#include <linux/nospec.h>
+ 
+ 
+ /*
+@@ -287,10 +288,10 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int 
ch, int note, int vel, st
+ {
+       struct seq_oss_synthinfo *info;
+ 
+-      if (!snd_seq_oss_synth_is_valid(dp, dev))
++      info = snd_seq_oss_synth_info(dp, dev);
++      if (!info)
+               return -ENXIO;
+ 
+-      info = &dp->synths[dev];
+       switch (info->arg.event_passing) {
+       case SNDRV_SEQ_OSS_PROCESS_EVENTS:
+               if (! info->ch || ch < 0 || ch >= info->nr_voices) {
+@@ -298,6 +299,7 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, 
int note, int vel, st
+                       return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, 
ch, note, vel, ev);
+               }
+ 
++              ch = array_index_nospec(ch, info->nr_voices);
+               if (note == 255 && info->ch[ch].note >= 0) {
+                       /* volume control */
+                       int type;
+@@ -347,10 +349,10 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int 
ch, int note, int vel, s
+ {
+       struct seq_oss_synthinfo *info;
+ 
+-      if (!snd_seq_oss_synth_is_valid(dp, dev))
++      info = snd_seq_oss_synth_info(dp, dev);
++      if (!info)
+               return -ENXIO;
+ 
+-      info = &dp->synths[dev];
+       switch (info->arg.event_passing) {
+       case SNDRV_SEQ_OSS_PROCESS_EVENTS:
+               if (! info->ch || ch < 0 || ch >= info->nr_voices) {
+@@ -358,6 +360,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int 
ch, int note, int vel, s
+                       return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, 
ch, note, vel, ev);
+               }
+ 
++              ch = array_index_nospec(ch, info->nr_voices);
+               if (info->ch[ch].note >= 0) {
+                       note = info->ch[ch].note;
+                       info->ch[ch].vel = 0;
+@@ -381,7 +384,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int 
ch, int note, int vel, s
+ static int
+ set_note_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int 
note, int vel, struct snd_seq_event *ev)
+ {
+-      if (! snd_seq_oss_synth_is_valid(dp, dev))
++      if (!snd_seq_oss_synth_info(dp, dev))
+               return -ENXIO;
+       
+       ev->type = type;
+@@ -399,7 +402,7 @@ set_note_event(struct seq_oss_devinfo *dp, int dev, int 
type, int ch, int note,
+ static int
+ set_control_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int 
param, int val, struct snd_seq_event *ev)
+ {
+-      if (! snd_seq_oss_synth_is_valid(dp, dev))
++      if (!snd_seq_oss_synth_info(dp, dev))
+               return -ENXIO;
+       
+       ev->type = type;
+diff --git a/sound/core/seq/oss/seq_oss_midi.c 
b/sound/core/seq/oss/seq_oss_midi.c
+index b30b2139e3f0..9debd1b8fd28 100644
+--- a/sound/core/seq/oss/seq_oss_midi.c
++++ b/sound/core/seq/oss/seq_oss_midi.c
+@@ -29,6 +29,7 @@
+ #include "../seq_lock.h"
+ #include <linux/init.h>
+ #include <linux/slab.h>
++#include <linux/nospec.h>
+ 
+ 
+ /*
+@@ -315,6 +316,7 @@ get_mididev(struct seq_oss_devinfo *dp, int dev)
+ {
+       if (dev < 0 || dev >= dp->max_mididev)
+               return NULL;
++      dev = array_index_nospec(dev, dp->max_mididev);
+       return get_mdev(dev);
+ }
+ 
+diff --git a/sound/core/seq/oss/seq_oss_synth.c 
b/sound/core/seq/oss/seq_oss_synth.c
+index cd0e0ebbfdb1..278ebb993122 100644
+--- a/sound/core/seq/oss/seq_oss_synth.c
++++ b/sound/core/seq/oss/seq_oss_synth.c
+@@ -26,6 +26,7 @@
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/slab.h>
++#include <linux/nospec.h>
+ 
+ /*
+  * constants
+@@ -339,17 +340,13 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
+       dp->max_synthdev = 0;
+ }
+ 
+-/*
+- * check if the specified device is MIDI mapped device
+- */
+-static int
+-is_midi_dev(struct seq_oss_devinfo *dp, int dev)
++static struct seq_oss_synthinfo *
++get_synthinfo_nospec(struct seq_oss_devinfo *dp, int dev)
+ {
+       if (dev < 0 || dev >= dp->max_synthdev)
+-              return 0;
+-      if (dp->synths[dev].is_midi)
+-              return 1;
+-      return 0;
++              return NULL;
++      dev = array_index_nospec(dev, SNDRV_SEQ_OSS_MAX_SYNTH_DEVS);
++      return &dp->synths[dev];
+ }
+ 
+ /*
+@@ -359,14 +356,20 @@ static struct seq_oss_synth *
+ get_synthdev(struct seq_oss_devinfo *dp, int dev)
+ {
+       struct seq_oss_synth *rec;
+-      if (dev < 0 || dev >= dp->max_synthdev)
+-              return NULL;
+-      if (! dp->synths[dev].opened)
++      struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev);
++
++      if (!info)
+               return NULL;
+-      if (dp->synths[dev].is_midi)
+-              return &midi_synth_dev;
+-      if ((rec = get_sdev(dev)) == NULL)
++      if (!info->opened)
+               return NULL;
++      if (info->is_midi) {
++              rec = &midi_synth_dev;
++              snd_use_lock_use(&rec->use_lock);
++      } else {
++              rec = get_sdev(dev);
++              if (!rec)
++                      return NULL;
++      }
+       if (! rec->opened) {
+               snd_use_lock_free(&rec->use_lock);
+               return NULL;
+@@ -402,10 +405,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int 
dev)
+       struct seq_oss_synth *rec;
+       struct seq_oss_synthinfo *info;
+ 
+-      if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev))
+-              return;
+-      info = &dp->synths[dev];
+-      if (! info->opened)
++      info = get_synthinfo_nospec(dp, dev);
++      if (!info || !info->opened)
+               return;
+       if (info->sysex)
+               info->sysex->len = 0; /* reset sysex */
+@@ -454,12 +455,14 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, 
int dev, int fmt,
+                           const char __user *buf, int p, int c)
+ {
+       struct seq_oss_synth *rec;
++      struct seq_oss_synthinfo *info;
+       int rc;
+ 
+-      if (dev < 0 || dev >= dp->max_synthdev)
++      info = get_synthinfo_nospec(dp, dev);
++      if (!info)
+               return -ENXIO;
+ 
+-      if (is_midi_dev(dp, dev))
++      if (info->is_midi)
+               return 0;
+       if ((rec = get_synthdev(dp, dev)) == NULL)
+               return -ENXIO;
+@@ -467,24 +470,25 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, 
int dev, int fmt,
+       if (rec->oper.load_patch == NULL)
+               rc = -ENXIO;
+       else
+-              rc = rec->oper.load_patch(&dp->synths[dev].arg, fmt, buf, p, c);
++              rc = rec->oper.load_patch(&info->arg, fmt, buf, p, c);
+       snd_use_lock_free(&rec->use_lock);
+       return rc;
+ }
+ 
+ /*
+- * check if the device is valid synth device
++ * check if the device is valid synth device and return the synth info
+  */
+-int
+-snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev)
++struct seq_oss_synthinfo *
++snd_seq_oss_synth_info(struct seq_oss_devinfo *dp, int dev)
+ {
+       struct seq_oss_synth *rec;
++
+       rec = get_synthdev(dp, dev);
+       if (rec) {
+               snd_use_lock_free(&rec->use_lock);
+-              return 1;
++              return get_synthinfo_nospec(dp, dev);
+       }
+-      return 0;
++      return NULL;
+ }
+ 
+ 
+@@ -499,16 +503,18 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int 
dev, unsigned char *buf,
+       int i, send;
+       unsigned char *dest;
+       struct seq_oss_synth_sysex *sysex;
++      struct seq_oss_synthinfo *info;
+ 
+-      if (! snd_seq_oss_synth_is_valid(dp, dev))
++      info = snd_seq_oss_synth_info(dp, dev);
++      if (!info)
+               return -ENXIO;
+ 
+-      sysex = dp->synths[dev].sysex;
++      sysex = info->sysex;
+       if (sysex == NULL) {
+               sysex = kzalloc(sizeof(*sysex), GFP_KERNEL);
+               if (sysex == NULL)
+                       return -ENOMEM;
+-              dp->synths[dev].sysex = sysex;
++              info->sysex = sysex;
+       }
+ 
+       send = 0;
+@@ -553,10 +559,12 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int 
dev, unsigned char *buf,
+ int
+ snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct 
snd_seq_event *ev)
+ {
+-      if (! snd_seq_oss_synth_is_valid(dp, dev))
++      struct seq_oss_synthinfo *info = snd_seq_oss_synth_info(dp, dev);
++
++      if (!info)
+               return -EINVAL;
+-      snd_seq_oss_fill_addr(dp, ev, dp->synths[dev].arg.addr.client,
+-                            dp->synths[dev].arg.addr.port);
++      snd_seq_oss_fill_addr(dp, ev, info->arg.addr.client,
++                            info->arg.addr.port);
+       return 0;
+ }
+ 
+@@ -568,16 +576,18 @@ int
+ snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int 
cmd, unsigned long addr)
+ {
+       struct seq_oss_synth *rec;
++      struct seq_oss_synthinfo *info;
+       int rc;
+ 
+-      if (is_midi_dev(dp, dev))
++      info = get_synthinfo_nospec(dp, dev);
++      if (!info || info->is_midi)
+               return -ENXIO;
+       if ((rec = get_synthdev(dp, dev)) == NULL)
+               return -ENXIO;
+       if (rec->oper.ioctl == NULL)
+               rc = -ENXIO;
+       else
+-              rc = rec->oper.ioctl(&dp->synths[dev].arg, cmd, addr);
++              rc = rec->oper.ioctl(&info->arg, cmd, addr);
+       snd_use_lock_free(&rec->use_lock);
+       return rc;
+ }
+@@ -589,7 +599,10 @@ snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int 
dev, unsigned int cmd, u
+ int
+ snd_seq_oss_synth_raw_event(struct seq_oss_devinfo *dp, int dev, unsigned 
char *data, struct snd_seq_event *ev)
+ {
+-      if (! snd_seq_oss_synth_is_valid(dp, dev) || is_midi_dev(dp, dev))
++      struct seq_oss_synthinfo *info;
++
++      info = snd_seq_oss_synth_info(dp, dev);
++      if (!info || info->is_midi)
+               return -ENXIO;
+       ev->type = SNDRV_SEQ_EVENT_OSS;
+       memcpy(ev->data.raw8.d, data, 8);
+diff --git a/sound/core/seq/oss/seq_oss_synth.h 
b/sound/core/seq/oss/seq_oss_synth.h
+index 74ac55f166b6..a63f9e22974d 100644
+--- a/sound/core/seq/oss/seq_oss_synth.h
++++ b/sound/core/seq/oss/seq_oss_synth.h
+@@ -37,7 +37,8 @@ void snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp);
+ void snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev);
+ int snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt,
+                                const char __user *buf, int p, int c);
+-int snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev);
++struct seq_oss_synthinfo *snd_seq_oss_synth_info(struct seq_oss_devinfo *dp,
++                                               int dev);
+ int snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned 
char *buf,
+                           struct snd_seq_event *ev);
+ int snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct 
snd_seq_event *ev);
+diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c
+index ddcc1a325a61..42920a243328 100644
+--- a/sound/drivers/opl3/opl3_synth.c
++++ b/sound/drivers/opl3/opl3_synth.c
+@@ -21,6 +21,7 @@
+ 
+ #include <linux/slab.h>
+ #include <linux/export.h>
++#include <linux/nospec.h>
+ #include <sound/opl3.h>
+ #include <sound/asound_fm.h>
+ 
+@@ -448,7 +449,7 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, 
struct snd_dm_fm_voice * v
+ {
+       unsigned short reg_side;
+       unsigned char op_offset;
+-      unsigned char voice_offset;
++      unsigned char voice_offset, voice_op;
+ 
+       unsigned short opl3_reg;
+       unsigned char reg_val;
+@@ -473,7 +474,9 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, 
struct snd_dm_fm_voice * v
+               voice_offset = voice->voice - MAX_OPL2_VOICES;
+       }
+       /* Get register offset of operator */
+-      op_offset = snd_opl3_regmap[voice_offset][voice->op];
++      voice_offset = array_index_nospec(voice_offset, MAX_OPL2_VOICES);
++      voice_op = array_index_nospec(voice->op, 4);
++      op_offset = snd_opl3_regmap[voice_offset][voice_op];
+ 
+       reg_val = 0x00;
+       /* Set amplitude modulation (tremolo) effect */
+diff --git a/sound/firewire/dice/dice-stream.c 
b/sound/firewire/dice/dice-stream.c
+index ec4db3a514fc..257cfbfadb4a 100644
+--- a/sound/firewire/dice/dice-stream.c
++++ b/sound/firewire/dice/dice-stream.c
+@@ -425,7 +425,7 @@ int snd_dice_stream_init_duplex(struct snd_dice *dice)
+               err = init_stream(dice, AMDTP_IN_STREAM, i);
+               if (err < 0) {
+                       for (; i >= 0; i--)
+-                              destroy_stream(dice, AMDTP_OUT_STREAM, i);
++                              destroy_stream(dice, AMDTP_IN_STREAM, i);
+                       goto end;
+               }
+       }
+diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c
+index 25e9f77275c4..0d3d36fb1540 100644
+--- a/sound/firewire/dice/dice.c
++++ b/sound/firewire/dice/dice.c
+@@ -14,7 +14,7 @@ MODULE_LICENSE("GPL v2");
+ #define OUI_WEISS             0x001c6a
+ #define OUI_LOUD              0x000ff2
+ #define OUI_FOCUSRITE         0x00130e
+-#define OUI_TCELECTRONIC      0x001486
++#define OUI_TCELECTRONIC      0x000166
+ 
+ #define DICE_CATEGORY_ID      0x04
+ #define WEISS_CATEGORY_ID     0x00
+diff --git a/sound/pci/asihpi/hpimsginit.c b/sound/pci/asihpi/hpimsginit.c
+index 7eb617175fde..a31a70dccecf 100644
+--- a/sound/pci/asihpi/hpimsginit.c
++++ b/sound/pci/asihpi/hpimsginit.c
+@@ -23,6 +23,7 @@
+ 
+ #include "hpi_internal.h"
+ #include "hpimsginit.h"
++#include <linux/nospec.h>
+ 
+ /* The actual message size for each object type */
+ static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = HPI_MESSAGE_SIZE_BY_OBJECT;
+@@ -39,10 +40,12 @@ static void hpi_init_message(struct hpi_message *phm, u16 
object,
+ {
+       u16 size;
+ 
+-      if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
++      if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) {
++              object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1);
+               size = msg_size[object];
+-      else
++      } else {
+               size = sizeof(*phm);
++      }
+ 
+       memset(phm, 0, size);
+       phm->size = size;
+@@ -66,10 +69,12 @@ void hpi_init_response(struct hpi_response *phr, u16 
object, u16 function,
+ {
+       u16 size;
+ 
+-      if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
++      if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) {
++              object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1);
+               size = res_size[object];
+-      else
++      } else {
+               size = sizeof(*phr);
++      }
+ 
+       memset(phr, 0, sizeof(*phr));
+       phr->size = size;
+diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c
+index 7e3aa50b21f9..3ef9af53ef49 100644
+--- a/sound/pci/asihpi/hpioctl.c
++++ b/sound/pci/asihpi/hpioctl.c
+@@ -33,6 +33,7 @@
+ #include <linux/stringify.h>
+ #include <linux/module.h>
+ #include <linux/vmalloc.h>
++#include <linux/nospec.h>
+ 
+ #ifdef MODULE_FIRMWARE
+ MODULE_FIRMWARE("asihpi/dsp5000.bin");
+@@ -182,7 +183,8 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, 
unsigned long arg)
+               struct hpi_adapter *pa = NULL;
+ 
+               if (hm->h.adapter_index < ARRAY_SIZE(adapters))
+-                      pa = &adapters[hm->h.adapter_index];
++                      pa = &adapters[array_index_nospec(hm->h.adapter_index,
++                                                        
ARRAY_SIZE(adapters))];
+ 
+               if (!pa || !pa->adapter || !pa->adapter->type) {
+                       hpi_init_response(&hr->r0, hm->h.object,
+diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
+index 57df06e76968..cc009a4a3d1d 100644
+--- a/sound/pci/hda/hda_hwdep.c
++++ b/sound/pci/hda/hda_hwdep.c
+@@ -21,6 +21,7 @@
+ #include <linux/init.h>
+ #include <linux/slab.h>
+ #include <linux/compat.h>
++#include <linux/nospec.h>
+ #include <sound/core.h>
+ #include "hda_codec.h"
+ #include "hda_local.h"
+@@ -51,7 +52,16 @@ static int get_wcap_ioctl(struct hda_codec *codec,
+       
+       if (get_user(verb, &arg->verb))
+               return -EFAULT;
+-      res = get_wcaps(codec, verb >> 24);
++      /* open-code get_wcaps(verb>>24) with nospec */
++      verb >>= 24;
++      if (verb < codec->core.start_nid ||
++          verb >= codec->core.start_nid + codec->core.num_nodes) {
++              res = 0;
++      } else {
++              verb -= codec->core.start_nid;
++              verb = array_index_nospec(verb, codec->core.num_nodes);
++              res = codec->wcaps[verb];
++      }
+       if (put_user(res, &arg->res))
+               return -EFAULT;
+       return 0;
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index e2230bed7409..7ece1ab57eef 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -329,6 +329,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
+               break;
+       case 0x10ec0225:
+       case 0x10ec0233:
++      case 0x10ec0235:
+       case 0x10ec0236:
+       case 0x10ec0255:
+       case 0x10ec0256:
+@@ -6359,6 +6360,7 @@ static int patch_alc269(struct hda_codec *codec)
+       case 0x10ec0298:
+               spec->codec_variant = ALC269_TYPE_ALC298;
+               break;
++      case 0x10ec0235:
+       case 0x10ec0255:
+               spec->codec_variant = ALC269_TYPE_ALC255;
+               break;
+diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
+index 14bbf55c1ef9..9899ef4c7efa 100644
+--- a/sound/pci/rme9652/hdspm.c
++++ b/sound/pci/rme9652/hdspm.c
+@@ -137,6 +137,7 @@
+ #include <linux/pci.h>
+ #include <linux/math64.h>
+ #include <linux/io.h>
++#include <linux/nospec.h>
+ 
+ #include <sound/core.h>
+ #include <sound/control.h>
+@@ -5692,40 +5693,43 @@ static int snd_hdspm_channel_info(struct 
snd_pcm_substream *substream,
+               struct snd_pcm_channel_info *info)
+ {
+       struct hdspm *hdspm = snd_pcm_substream_chip(substream);
++      unsigned int channel = info->channel;
+ 
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+-              if (snd_BUG_ON(info->channel >= hdspm->max_channels_out)) {
++              if (snd_BUG_ON(channel >= hdspm->max_channels_out)) {
+                       dev_info(hdspm->card->dev,
+                                "snd_hdspm_channel_info: output channel out of 
range (%d)\n",
+-                               info->channel);
++                               channel);
+                       return -EINVAL;
+               }
+ 
+-              if (hdspm->channel_map_out[info->channel] < 0) {
++              channel = array_index_nospec(channel, hdspm->max_channels_out);
++              if (hdspm->channel_map_out[channel] < 0) {
+                       dev_info(hdspm->card->dev,
+                                "snd_hdspm_channel_info: output channel %d 
mapped out\n",
+-                               info->channel);
++                               channel);
+                       return -EINVAL;
+               }
+ 
+-              info->offset = hdspm->channel_map_out[info->channel] *
++              info->offset = hdspm->channel_map_out[channel] *
+                       HDSPM_CHANNEL_BUFFER_BYTES;
+       } else {
+-              if (snd_BUG_ON(info->channel >= hdspm->max_channels_in)) {
++              if (snd_BUG_ON(channel >= hdspm->max_channels_in)) {
+                       dev_info(hdspm->card->dev,
+                                "snd_hdspm_channel_info: input channel out of 
range (%d)\n",
+-                               info->channel);
++                               channel);
+                       return -EINVAL;
+               }
+ 
+-              if (hdspm->channel_map_in[info->channel] < 0) {
++              channel = array_index_nospec(channel, hdspm->max_channels_in);
++              if (hdspm->channel_map_in[channel] < 0) {
+                       dev_info(hdspm->card->dev,
+                                "snd_hdspm_channel_info: input channel %d 
mapped out\n",
+-                               info->channel);
++                               channel);
+                       return -EINVAL;
+               }
+ 
+-              info->offset = hdspm->channel_map_in[info->channel] *
++              info->offset = hdspm->channel_map_in[channel] *
+                       HDSPM_CHANNEL_BUFFER_BYTES;
+       }
+ 
+diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c
+index 55172c689991..a76b1f147660 100644
+--- a/sound/pci/rme9652/rme9652.c
++++ b/sound/pci/rme9652/rme9652.c
+@@ -26,6 +26,7 @@
+ #include <linux/pci.h>
+ #include <linux/module.h>
+ #include <linux/io.h>
++#include <linux/nospec.h>
+ 
+ #include <sound/core.h>
+ #include <sound/control.h>
+@@ -2036,9 +2037,10 @@ static int snd_rme9652_channel_info(struct 
snd_pcm_substream *substream,
+       if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
+               return -EINVAL;
+ 
+-      if ((chn = rme9652->channel_map[info->channel]) < 0) {
++      chn = rme9652->channel_map[array_index_nospec(info->channel,
++                                                    RME9652_NCHANNELS)];
++      if (chn < 0)
+               return -EINVAL;
+-      }
+ 
+       info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
+       info->first = 0;
+diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
+index 38bfd46f4ad8..3ef174531344 100644
+--- a/sound/soc/fsl/fsl_esai.c
++++ b/sound/soc/fsl/fsl_esai.c
+@@ -145,6 +145,13 @@ static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, 
bool tx, u32 ratio,
+ 
+       psr = ratio <= 256 * maxfp ? ESAI_xCCR_xPSR_BYPASS : 
ESAI_xCCR_xPSR_DIV8;
+ 
++      /* Do not loop-search if PM (1 ~ 256) alone can serve the ratio */
++      if (ratio <= 256) {
++              pm = ratio;
++              fp = 1;
++              goto out;
++      }
++
+       /* Set the max fluctuation -- 0.1% of the max devisor */
+       savesub = (psr ? 1 : 8)  * 256 * maxfp / 1000;
+ 
+diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
+index 9038b2e7df73..eaa03acd4686 100644
+--- a/sound/usb/mixer_maps.c
++++ b/sound/usb/mixer_maps.c
+@@ -353,8 +353,11 @@ static struct usbmix_name_map bose_companion5_map[] = {
+ /*
+  * Dell usb dock with ALC4020 codec had a firmware problem where it got
+  * screwed up when zero volume is passed; just skip it as a workaround
++ *
++ * Also the extension unit gives an access error, so skip it as well.
+  */
+ static const struct usbmix_name_map dell_alc4020_map[] = {
++      { 4, NULL },    /* extension unit */
+       { 16, NULL },
+       { 19, NULL },
+       { 0 }
+diff --git a/tools/lib/str_error_r.c b/tools/lib/str_error_r.c
+index 503ae072244c..9ab2d0ad22d5 100644
+--- a/tools/lib/str_error_r.c
++++ b/tools/lib/str_error_r.c
+@@ -21,6 +21,6 @@ char *str_error_r(int errnum, char *buf, size_t buflen)
+ {
+       int err = strerror_r(errnum, buf, buflen);
+       if (err)
+-              snprintf(buf, buflen, "INTERNAL ERROR: strerror_r(%d, %p, 
%zd)=%d", errnum, buf, buflen, err);
++              snprintf(buf, buflen, "INTERNAL ERROR: strerror_r(%d, [buf], 
%zd)=%d", errnum, buflen, err);
+       return buf;
+ }
+diff --git a/tools/lib/subcmd/pager.c b/tools/lib/subcmd/pager.c
+index 6518bea926d6..68af60fdf0b9 100644
+--- a/tools/lib/subcmd/pager.c
++++ b/tools/lib/subcmd/pager.c
+@@ -29,10 +29,13 @@ static void pager_preexec(void)
+        * have real input
+        */
+       fd_set in;
++      fd_set exception;
+ 
+       FD_ZERO(&in);
++      FD_ZERO(&exception);
+       FD_SET(0, &in);
+-      select(1, &in, NULL, &in, NULL);
++      FD_SET(0, &exception);
++      select(1, &in, NULL, &exception, NULL);
+ 
+       setenv("LESS", "FRSX", 0);
+ }

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