From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:4.9 commit in: /
Date: Wed, 2 May 2018 16:13:26 +0000 (UTC) [thread overview]
Message-ID: <1525277596.0bb485efa0b9355b4481e6bfb740233c5b7cc018.mpagano@gentoo> (raw)
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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