build/patch/kernel/archive/rockchip-4.4/04-patch-4.4.177-178.patch

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diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index df8ab4fc240a..496673adcb6b 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -13,7 +13,7 @@ of a virtual machine. The ioctls belong to three classes
- VM ioctls: These query and set attributes that affect an entire virtual
machine, for example memory layout. In addition a VM ioctl is used to
- create virtual cpus (vcpus).
+ create virtual cpus (vcpus) and devices.
Only run VM ioctls from the same process (address space) that was used
to create the VM.
@@ -24,6 +24,11 @@ of a virtual machine. The ioctls belong to three classes
Only run vcpu ioctls from the same thread that was used to create the
vcpu.
+ - device ioctls: These query and set attributes that control the operation
+ of a single device.
+
+ device ioctls must be issued from the same process (address space) that
+ was used to create the VM.
2. File descriptors
-------------------
@@ -32,10 +37,11 @@ The kvm API is centered around file descriptors. An initial
open("/dev/kvm") obtains a handle to the kvm subsystem; this handle
can be used to issue system ioctls. A KVM_CREATE_VM ioctl on this
handle will create a VM file descriptor which can be used to issue VM
-ioctls. A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu
-and return a file descriptor pointing to it. Finally, ioctls on a vcpu
-fd can be used to control the vcpu, including the important task of
-actually running guest code.
+ioctls. A KVM_CREATE_VCPU or KVM_CREATE_DEVICE ioctl on a VM fd will
+create a virtual cpu or device and return a file descriptor pointing to
+the new resource. Finally, ioctls on a vcpu or device fd can be used
+to control the vcpu or device. For vcpus, this includes the important
+task of actually running guest code.
In general file descriptors can be migrated among processes by means
of fork() and the SCM_RIGHTS facility of unix domain socket. These
diff --git a/Makefile b/Makefile
index 1de443248119..35be7983ef2d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 177
+SUBLEVEL = 178
EXTRAVERSION =
NAME = Blurry Fish Butt
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5b47218809e0..f18b8c26a959 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -89,7 +89,6 @@ config ARM64
select PERF_USE_VMALLOC
select POWER_RESET
select POWER_SUPPLY
- select RTC_LIB
select SPARSE_IRQ
select SYSCTL_EXCEPTION_TRACE
select HAVE_CONTEXT_TRACKING
@@ -819,6 +818,10 @@ config SYSVIPC_COMPAT
def_bool y
depends on COMPAT && SYSVIPC
+config KEYS_COMPAT
+ def_bool y
+ depends on COMPAT && KEYS
+
endmenu
menu "Power management options"
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 5d270ca76aec..6b4579e07aa2 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -239,10 +239,12 @@ void die(const char *str, struct pt_regs *regs, int err)
{
struct thread_info *thread = current_thread_info();
int ret;
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&die_lock, flags);
oops_enter();
- raw_spin_lock_irq(&die_lock);
console_verbose();
bust_spinlocks(1);
ret = __die(str, err, thread, regs);
@@ -252,13 +254,15 @@ void die(const char *str, struct pt_regs *regs, int err)
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
- raw_spin_unlock_irq(&die_lock);
oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
if (panic_on_oops)
panic("Fatal exception");
+
+ raw_spin_unlock_irqrestore(&die_lock, flags);
+
if (ret != NOTIFY_STOP)
do_exit(SIGSEGV);
}
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index be7f8416809f..04c4b88706d8 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -595,20 +595,33 @@ asmlinkage int __exception do_debug_exception(unsigned long addr,
{
const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr);
struct siginfo info;
+ int rv;
- if (!inf->fn(addr, esr, regs))
- return 1;
+ /*
+ * Tell lockdep we disabled irqs in entry.S. Do nothing if they were
+ * already disabled to preserve the last enabled/disabled addresses.
+ */
+ if (interrupts_enabled(regs))
+ trace_hardirqs_off();
- pr_alert("Unhandled debug exception: %s (0x%08x) at 0x%016lx\n",
- inf->name, esr, addr);
+ if (!inf->fn(addr, esr, regs)) {
+ rv = 1;
+ } else {
+ pr_alert("Unhandled debug exception: %s (0x%08x) at 0x%016lx\n",
+ inf->name, esr, addr);
+
+ info.si_signo = inf->sig;
+ info.si_errno = 0;
+ info.si_code = inf->code;
+ info.si_addr = (void __user *)addr;
+ arm64_notify_die("", regs, &info, 0);
+ rv = 0;
+ }
- info.si_signo = inf->sig;
- info.si_errno = 0;
- info.si_code = inf->code;
- info.si_addr = (void __user *)addr;
- arm64_notify_die("", regs, &info, 0);
+ if (interrupts_enabled(regs))
+ trace_hardirqs_on();
- return 0;
+ return rv;
}
#ifdef CONFIG_ARM64_PAN
diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h
index e77672539e8e..e4456e450f94 100644
--- a/arch/mips/include/asm/jump_label.h
+++ b/arch/mips/include/asm/jump_label.h
@@ -21,15 +21,15 @@
#endif
#ifdef CONFIG_CPU_MICROMIPS
-#define NOP_INSN "nop32"
+#define B_INSN "b32"
#else
-#define NOP_INSN "nop"
+#define B_INSN "b"
#endif
static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
{
- asm_volatile_goto("1:\t" NOP_INSN "\n\t"
- "nop\n\t"
+ asm_volatile_goto("1:\t" B_INSN " 2f\n\t"
+ "2:\tnop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
WORD_INSN " 1b, %l[l_yes], %0\n\t"
".popsection\n\t"
diff --git a/arch/mips/loongson64/lemote-2f/irq.c b/arch/mips/loongson64/lemote-2f/irq.c
index cab5f43e0e29..d371f0294cbb 100644
--- a/arch/mips/loongson64/lemote-2f/irq.c
+++ b/arch/mips/loongson64/lemote-2f/irq.c
@@ -102,7 +102,7 @@ static struct irqaction ip6_irqaction = {
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
- .flags = IRQF_NO_THREAD,
+ .flags = IRQF_NO_THREAD | IRQF_NO_SUSPEND,
};
void __init mach_init_irq(void)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 9beee7f364ad..4598d087dec2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1970,14 +1970,8 @@ config PHYSICAL_ALIGN
Don't change this unless you know what you are doing.
config HOTPLUG_CPU
- bool "Support for hot-pluggable CPUs"
+ def_bool y
depends on SMP
- ---help---
- Say Y here to allow turning CPUs off and on. CPUs can be
- controlled through /sys/devices/system/cpu.
- ( Note: power management support will enable this option
- automatically on SMP systems. )
- Say N if you want to disable CPU hotplug.
config BOOTPARAM_HOTPLUG_CPU0
bool "Set default setting of cpu0_hotpluggable"
diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
index 2b2fecffb1ad..c6a7c9ddf0ac 100644
--- a/drivers/extcon/extcon-usb-gpio.c
+++ b/drivers/extcon/extcon-usb-gpio.c
@@ -192,6 +192,9 @@ static int usb_extcon_resume(struct device *dev)
}
enable_irq(info->id_irq);
+ if (!device_may_wakeup(dev))
+ queue_delayed_work(system_power_efficient_wq,
+ &info->wq_detcable, 0);
return ret;
}
diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index d3d0a90fe542..995b2be45982 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -137,8 +137,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
if (err < 0)
goto out;
- if (err & BIT(pos))
- err = -EACCES;
+ if (value & BIT(pos)) {
+ err = -EPERM;
+ goto out;
+ }
err = 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index aec6e9eef489..55884cb5a0fc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -531,11 +531,9 @@ static int vmw_fb_set_par(struct fb_info *info)
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
};
- struct drm_display_mode *old_mode;
struct drm_display_mode *mode;
int ret;
- old_mode = par->set_mode;
mode = drm_mode_duplicate(vmw_priv->dev, &new_mode);
if (!mode) {
DRM_ERROR("Could not create new fb mode.\n");
@@ -546,11 +544,7 @@ static int vmw_fb_set_par(struct fb_info *info)
mode->vdisplay = var->yres;
vmw_guess_mode_timing(mode);
- if (old_mode && drm_mode_equal(old_mode, mode)) {
- drm_mode_destroy(vmw_priv->dev, mode);
- mode = old_mode;
- old_mode = NULL;
- } else if (!vmw_kms_validate_mode_vram(vmw_priv,
+ if (!vmw_kms_validate_mode_vram(vmw_priv,
mode->hdisplay *
DIV_ROUND_UP(var->bits_per_pixel, 8),
mode->vdisplay)) {
@@ -613,8 +607,8 @@ static int vmw_fb_set_par(struct fb_info *info)
schedule_delayed_work(&par->local_work, 0);
out_unlock:
- if (old_mode)
- drm_mode_destroy(vmw_priv->dev, old_mode);
+ if (par->set_mode)
+ drm_mode_destroy(vmw_priv->dev, par->set_mode);
par->set_mode = mode;
drm_modeset_unlock_all(vmw_priv->dev);
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 28543d795188..9a27809bdaf2 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -4370,7 +4370,8 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
if (m->clock2)
test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip);
- if (ent->device == 0xB410) {
+ if (ent->vendor == PCI_VENDOR_ID_DIGIUM &&
+ ent->device == PCI_DEVICE_ID_DIGIUM_HFC4S) {
test_and_set_bit(HFC_CHIP_B410P, &hc->chip);
test_and_set_bit(HFC_CHIP_PCM_MASTER, &hc->chip);
test_and_clear_bit(HFC_CHIP_PCM_SLAVE, &hc->chip);
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 618e4e2b4207..fea09a33c6c8 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1202,7 +1202,7 @@ static void uvc_ctrl_fill_event(struct uvc_video_chain *chain,
__uvc_query_v4l2_ctrl(chain, ctrl, mapping, &v4l2_ctrl);
- memset(ev->reserved, 0, sizeof(ev->reserved));
+ memset(ev, 0, sizeof(*ev));
ev->type = V4L2_EVENT_CTRL;
ev->id = v4l2_ctrl.id;
ev->u.ctrl.value = value;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 523758e71fe6..70097cc3a35d 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -1212,7 +1212,7 @@ static u32 user_flags(const struct v4l2_ctrl *ctrl)
static void fill_event(struct v4l2_event *ev, struct v4l2_ctrl *ctrl, u32 changes)
{
- memset(ev->reserved, 0, sizeof(ev->reserved));
+ memset(ev, 0, sizeof(*ev));
ev->type = V4L2_EVENT_CTRL;
ev->id = ctrl->id;
ev->u.ctrl.changes = changes;
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 154aced0b91b..705586dcd9fa 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -220,7 +220,7 @@ static int mmc_clock_opt_set(void *data, u64 val)
struct mmc_host *host = data;
/* We need this check due to input value is u64 */
- if (val > host->f_max)
+ if (val != 0 && (val > host->f_max || val < host->f_min))
return -EINVAL;
mmc_claim_host(host);
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 72bbb12fb938..1d57c12b191c 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -181,7 +181,7 @@ static void pxamci_dma_irq(void *param);
static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
{
struct dma_async_tx_descriptor *tx;
- enum dma_data_direction direction;
+ enum dma_transfer_direction direction;
struct dma_slave_config config;
struct dma_chan *chan;
unsigned int nob = data->blocks;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index a10fde40b6c3..3c7c3a1c8f4f 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -716,7 +716,7 @@ irqreturn_t tmio_mmc_sdio_irq(int irq, void *devid)
unsigned int sdio_status;
if (!(pdata->flags & TMIO_MMC_SDIO_IRQ))
- return IRQ_HANDLED;
+ return IRQ_NONE;
status = sd_ctrl_read16(host, CTL_SDIO_STATUS);
ireg = status & TMIO_SDIO_MASK_ALL & ~host->sdcard_irq_mask;
@@ -730,7 +730,7 @@ irqreturn_t tmio_mmc_sdio_irq(int irq, void *devid)
if (mmc->caps & MMC_CAP_SDIO_IRQ && ireg & TMIO_SDIO_STAT_IOIRQ)
mmc_signal_sdio_irq(mmc);
- return IRQ_HANDLED;
+ return IRQ_RETVAL(ireg);
}
EXPORT_SYMBOL(tmio_mmc_sdio_irq);
@@ -747,9 +747,7 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid)
if (__tmio_mmc_sdcard_irq(host, ireg, status))
return IRQ_HANDLED;
- tmio_mmc_sdio_irq(irq, devid);
-
- return IRQ_HANDLED;
+ return tmio_mmc_sdio_irq(irq, devid);
}
EXPORT_SYMBOL(tmio_mmc_irq);
diff --git a/drivers/net/ethernet/8390/mac8390.c b/drivers/net/ethernet/8390/mac8390.c
index b9283901136e..0fdc9ad32a2e 100644
--- a/drivers/net/ethernet/8390/mac8390.c
+++ b/drivers/net/ethernet/8390/mac8390.c
@@ -156,8 +156,6 @@ static void dayna_block_output(struct net_device *dev, int count,
#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
-#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c))
-
/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
static void slow_sane_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
@@ -237,19 +235,26 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
static enum mac8390_access __init mac8390_testio(volatile unsigned long membase)
{
- unsigned long outdata = 0xA5A0B5B0;
- unsigned long indata = 0x00000000;
+ u32 outdata = 0xA5A0B5B0;
+ u32 indata = 0;
+
/* Try writing 32 bits */
- memcpy_toio(membase, &outdata, 4);
- /* Now compare them */
- if (memcmp_withio(&outdata, membase, 4) == 0)
+ nubus_writel(outdata, membase);
+ /* Now read it back */
+ indata = nubus_readl(membase);
+ if (outdata == indata)
return ACCESS_32;
+
+ outdata = 0xC5C0D5D0;
+ indata = 0;
+
/* Write 16 bit output */
word_memcpy_tocard(membase, &outdata, 4);
/* Now read it back */
word_memcpy_fromcard(&indata, membase, 4);
if (outdata == indata)
return ACCESS_16;
+
return ACCESS_UNKNOWN;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 7bba30f24135..059113dce6e0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2529,6 +2529,20 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return ret;
}
+static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
+{
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ int ret = 0;
+
+ ret = eth_mac_addr(ndev, addr);
+ if (ret)
+ return ret;
+
+ priv->hw->mac->set_umac_addr(priv->hw, ndev->dev_addr, 0);
+
+ return ret;
+}
+
#ifdef CONFIG_DEBUG_FS
static struct dentry *stmmac_fs_dir;
@@ -2730,7 +2744,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = stmmac_set_mac_address,
};
/**
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 5dadfc508ade..835129152fc4 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3276,10 +3276,8 @@ static void __net_exit vxlan_exit_net(struct net *net)
/* If vxlan->dev is in the same netns, it has already been added
* to the list by the previous loop.
*/
- if (!net_eq(dev_net(vxlan->dev), net)) {
- gro_cells_destroy(&vxlan->gro_cells);
+ if (!net_eq(dev_net(vxlan->dev), net))
unregister_netdevice_queue(vxlan->dev, &list);
- }
}
unregister_netdevice_many(&list);
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index f201e50447d8..b867875aa6e6 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4065,7 +4065,7 @@ static void ath10k_tpc_config_disp_tables(struct ath10k *ar,
rate_code[i],
type);
snprintf(buff, sizeof(buff), "%8d ", tpc[j]);
- strncat(tpc_value, buff, strlen(buff));
+ strlcat(tpc_value, buff, sizeof(tpc_value));
}
tpc_stats->tpc_table[type].pream_idx[i] = pream_idx;
tpc_stats->tpc_table[type].rate_code[i] = rate_code[i];
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index e6bfb9c42a10..5b136bdc03d4 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -52,13 +52,11 @@ EXPORT_SYMBOL(rtc_year_days);
*/
void rtc_time64_to_tm(time64_t time, struct rtc_time *tm)
{
- unsigned int month, year;
- unsigned long secs;
+ unsigned int month, year, secs;
int days;
/* time must be positive */
- days = div_s64(time, 86400);
- secs = time - (unsigned int) days * 86400;
+ days = div_s64_rem(time, 86400, &secs);
/* day of the week, 1970-01-01 was a Thursday */
tm->tm_wday = (days + 4) % 7;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 2abcd331b05d..abe460eac712 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -652,6 +652,20 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
add_timer(&erp_action->timer);
}
+void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
+ int clear, char *dbftag)
+{
+ unsigned long flags;
+ struct zfcp_port *port;
+
+ write_lock_irqsave(&adapter->erp_lock, flags);
+ read_lock(&adapter->port_list_lock);
+ list_for_each_entry(port, &adapter->port_list, list)
+ _zfcp_erp_port_forced_reopen(port, clear, dbftag);
+ read_unlock(&adapter->port_list_lock);
+ write_unlock_irqrestore(&adapter->erp_lock, flags);
+}
+
static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
int clear, char *id)
{
@@ -1306,6 +1320,9 @@ static void zfcp_erp_try_rport_unblock(struct zfcp_port *port)
struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev);
int lun_status;
+ if (sdev->sdev_state == SDEV_DEL ||
+ sdev->sdev_state == SDEV_CANCEL)
+ continue;
if (zsdev->port != port)
continue;
/* LUN under port of interest */
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index b326f05c7f89..a39a74500e23 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -68,6 +68,8 @@ extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
+ int clear, char *dbftag);
extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 3afb200b2829..bdb257eaa2e5 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -326,6 +326,10 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
int ret = SUCCESS, fc_ret;
+ if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) {
+ zfcp_erp_port_forced_reopen_all(adapter, 0, "schrh_p");
+ zfcp_erp_wait(adapter);
+ }
zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
fc_ret = fc_block_scsi_eh(scpnt);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index ec80a0077ace..62adaca8fb97 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1276,11 +1276,6 @@ static void sd_release(struct gendisk *disk, fmode_t mode)
scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW);
}
- /*
- * XXX and what if there are packets in flight and this close()
- * XXX is followed by a "rmmod sd_mod"?
- */
-
scsi_disk_put(sdkp);
}
@@ -3227,11 +3222,23 @@ static void scsi_disk_release(struct device *dev)
{
struct scsi_disk *sdkp = to_scsi_disk(dev);
struct gendisk *disk = sdkp->disk;
-
+ struct request_queue *q = disk->queue;
+
spin_lock(&sd_index_lock);
ida_remove(&sd_index_ida, sdkp->index);
spin_unlock(&sd_index_lock);
+ /*
+ * Wait until all requests that are in progress have completed.
+ * This is necessary to avoid that e.g. scsi_end_request() crashes
+ * due to clearing the disk->private_data pointer. Wait from inside
+ * scsi_disk_release() instead of from sd_release() to avoid that
+ * freezing and unfreezing the request queue affects user space I/O
+ * in case multiple processes open a /dev/sd... node concurrently.
+ */
+ blk_mq_freeze_queue(q);
+ blk_mq_unfreeze_queue(q);
+
disk->private_data = NULL;
put_disk(disk);
put_device(&sdkp->device->sdev_gendev);
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 8fd8f3a2d1bf..58b6403458b7 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -972,8 +972,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
return;
}
- MACvIntDisable(priv->PortOffset);
-
spin_lock_irqsave(&priv->lock, flags);
/* Read low level stats */
@@ -1062,8 +1060,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
}
spin_unlock_irqrestore(&priv->lock, flags);
-
- MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static void vnt_interrupt_work(struct work_struct *work)
@@ -1073,14 +1069,17 @@ static void vnt_interrupt_work(struct work_struct *work)
if (priv->vif)
vnt_interrupt_process(priv);
+
+ MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static irqreturn_t vnt_interrupt(int irq, void *arg)
{
struct vnt_private *priv = arg;
- if (priv->vif)
- schedule_work(&priv->interrupt_work);
+ schedule_work(&priv->interrupt_work);
+
+ MACvIntDisable(priv->PortOffset);
return IRQ_HANDLED;
}
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index e0277cf0bf58..f5c4e92b5172 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1167,6 +1167,10 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
sg_dma_len(&atmel_port->sg_rx)/2,
DMA_DEV_TO_MEM,
DMA_PREP_INTERRUPT);
+ if (!desc) {
+ dev_err(port->dev, "Preparing DMA cyclic failed\n");
+ goto chan_err;
+ }
desc->callback = atmel_complete_rx_dma;
desc->callback_param = port;
atmel_port->desc_rx = desc;
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index f2b0d8cee8ef..0314e78e31ff 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -148,8 +148,10 @@ static int configure_kgdboc(void)
char *cptr = config;
struct console *cons;
- if (!strlen(config) || isspace(config[0]))
+ if (!strlen(config) || isspace(config[0])) {
+ err = 0;
goto noconfig;
+ }
kgdboc_io_ops.is_console = 0;
kgdb_tty_driver = NULL;
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index d45133056f51..be55fb6def89 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1306,6 +1306,8 @@ static int max310x_spi_probe(struct spi_device *spi)
if (spi->dev.of_node) {
const struct of_device_id *of_id =
of_match_device(max310x_dt_ids, &spi->dev);
+ if (!of_id)
+ return -ENODEV;
devtype = (struct max310x_devtype *)of_id->data;
} else {
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index b63920481b1d..669134e27ed9 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -746,19 +746,9 @@ static void sci_transmit_chars(struct uart_port *port)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
- if (uart_circ_empty(xmit)) {
+ if (uart_circ_empty(xmit))
sci_stop_tx(port);
- } else {
- ctrl = serial_port_in(port, SCSCR);
-
- if (port->type != PORT_SCI) {
- serial_port_in(port, SCxSR); /* Dummy read */
- sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port));
- }
- ctrl |= SCSCR_TIE;
- serial_port_out(port, SCSCR, ctrl);
- }
}
/* On SH3, SCIF may read end-of-break as a space->mark char */
diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c
index 1e302caaa450..c894eca57e73 100644
--- a/drivers/tty/serial/sprd_serial.c
+++ b/drivers/tty/serial/sprd_serial.c
@@ -36,7 +36,7 @@
#define SPRD_FIFO_SIZE 128
#define SPRD_DEF_RATE 26000000
#define SPRD_BAUD_IO_LIMIT 3000000
-#define SPRD_TIMEOUT 256
+#define SPRD_TIMEOUT 256000
/* the offset of serial registers and BITs for them */
/* data registers */
@@ -63,6 +63,7 @@
/* interrupt clear register */
#define SPRD_ICLR 0x0014
+#define SPRD_ICLR_TIMEOUT BIT(13)
/* line control register */
#define SPRD_LCR 0x0018
@@ -298,7 +299,8 @@ static irqreturn_t sprd_handle_irq(int irq, void *dev_id)
return IRQ_NONE;
}
- serial_out(port, SPRD_ICLR, ~0);
+ if (ims & SPRD_IMSR_TIMEOUT)
+ serial_out(port, SPRD_ICLR, SPRD_ICLR_TIMEOUT);
if (ims & (SPRD_IMSR_RX_FIFO_FULL |
SPRD_IMSR_BREAK_DETECT | SPRD_IMSR_TIMEOUT))
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 58f5fbdb6959..8bf54477f472 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1819,6 +1819,8 @@ unknown:
break;
case USB_RECIP_ENDPOINT:
+ if (!cdev->config)
+ break;
endp = ((w_index & 0x80) >> 3) | (w_index & 0x0f);
list_for_each_entry(f, &cdev->config->functions, list) {
if (test_bit(endp, f->endpoints))
diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c
index 70d3917cc003..2582db38d6a6 100644
--- a/drivers/usb/gadget/function/rndis.c
+++ b/drivers/usb/gadget/function/rndis.c
@@ -680,6 +680,12 @@ static int rndis_reset_response(struct rndis_params *params,
{
rndis_reset_cmplt_type *resp;
rndis_resp_t *r;
+ u8 *xbuf;
+ u32 length;
+
+ /* drain the response queue */
+ while ((xbuf = rndis_get_next_response(params, &length)))
+ rndis_free_response(params, xbuf);
r = rndis_add_response(params, sizeof(rndis_reset_cmplt_type));
if (!r)
diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c
index 4ea44f7122ee..d73618475664 100644
--- a/drivers/usb/gadget/function/u_serial.c
+++ b/drivers/usb/gadget/function/u_serial.c
@@ -361,10 +361,15 @@ __acquires(&port->port_lock)
*/
{
struct list_head *pool = &port->write_pool;
- struct usb_ep *in = port->port_usb->in;
+ struct usb_ep *in;
int status = 0;
bool do_tty_wake = false;
+ if (!port->port_usb)
+ return status;
+
+ in = port->port_usb->in;
+
while (!port->write_busy && !list_empty(pool)) {
struct usb_request *req;
int len;
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 8647d2c2a8c4..c5553028e616 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -641,14 +641,11 @@ static int usbhsg_ep_disable(struct usb_ep *ep)
struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep);
struct usbhs_pipe *pipe;
unsigned long flags;
- int ret = 0;
spin_lock_irqsave(&uep->lock, flags);
pipe = usbhsg_uep_to_pipe(uep);
- if (!pipe) {
- ret = -EINVAL;
+ if (!pipe)
goto out;
- }
usbhsg_pipe_disable(uep);
usbhs_pipe_free(pipe);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b317594a6342..e3ea0fdd3913 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -76,6 +76,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
+ { USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4287e2b1c175..af258bb632dd 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -604,6 +604,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index ddf5ab983dc9..15d220eaf6e6 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -566,7 +566,9 @@
/*
* NovaTech product ids (FTDI_VID)
*/
-#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
+#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
+#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */
+#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */
/*
* Synapse Wireless product ids (FTDI_VID)
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 4581fa1dec98..286b43c79d38 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -368,8 +368,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
if (!urbtrack)
return -ENOMEM;
- kref_get(&mos_parport->ref_count);
- urbtrack->mos_parport = mos_parport;
urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urbtrack->urb) {
kfree(urbtrack);
@@ -390,6 +388,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
usb_sndctrlpipe(usbdev, 0),
(unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
+ kref_get(&mos_parport->ref_count);
+ urbtrack->mos_parport = mos_parport;
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index b2b7c12e5c86..9f96dd274370 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1066,7 +1066,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
- { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */
+ .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) },
/* Quectel products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)},
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20),
@@ -1941,10 +1942,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
.driver_info = RSVD(4) },
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
- { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
- { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index b9fa99577bf7..2d2a76906786 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -2420,8 +2420,9 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
bitmap_clear(rbio->dbitmap, pagenr, 1);
kunmap(p);
- for (stripe = 0; stripe < rbio->real_stripes; stripe++)
+ for (stripe = 0; stripe < nr_data; stripe++)
kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
+ kunmap(p_page);
}
__free_page(p_page);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 63f59f17c97e..c7190f322576 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3321,9 +3321,16 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
- /* find the first key from this transaction again */
+ /*
+ * Find the first key from this transaction again. See the note for
+ * log_new_dir_dentries, if we're logging a directory recursively we
+ * won't be holding its i_mutex, which means we can modify the directory
+ * while we're logging it. If we remove an entry between our first
+ * search and this search we'll not find the key again and can just
+ * bail.
+ */
ret = btrfs_search_slot(NULL, root, &min_key, path, 0, 0);
- if (WARN_ON(ret != 0))
+ if (ret != 0)
goto done;
/*
diff --git a/fs/dcache.c b/fs/dcache.c
index 9ffe60702299..cb554e406545 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1510,7 +1510,7 @@ static void check_and_drop(void *_data)
{
struct detach_data *data = _data;
- if (!data->mountpoint && !data->select.found)
+ if (!data->mountpoint && list_empty(&data->select.dispose))
__d_drop(data->select.start);
}
@@ -1552,17 +1552,15 @@ void d_invalidate(struct dentry *dentry)
d_walk(dentry, &data, detach_and_collect, check_and_drop);
- if (data.select.found)
+ if (!list_empty(&data.select.dispose))
shrink_dentry_list(&data.select.dispose);
+ else if (!data.mountpoint)
+ return;
if (data.mountpoint) {
detach_mounts(data.mountpoint);
dput(data.mountpoint);
}
-
- if (!data.mountpoint && !data.select.found)
- break;
-
cond_resched();
}
}
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index f817ed58f5ad..b40e75dbf48c 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -372,7 +372,7 @@ static inline void ext4_update_inode_fsync_trans(handle_t *handle,
{
struct ext4_inode_info *ei = EXT4_I(inode);
- if (ext4_handle_valid(handle)) {
+ if (ext4_handle_valid(handle) && !is_handle_aborted(handle)) {
ei->i_sync_tid = handle->h_transaction->t_tid;
if (datasync)
ei->i_datasync_tid = handle->h_transaction->t_tid;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index debf0707789d..2e5ae183a18a 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -79,7 +79,7 @@ ext4_unaligned_aio(struct inode *inode, struct iov_iter *from, loff_t pos)
struct super_block *sb = inode->i_sb;
int blockmask = sb->s_blocksize - 1;
- if (pos >= i_size_read(inode))
+ if (pos >= ALIGN(i_size_read(inode), sb->s_blocksize))
return 0;
if ((pos | iov_iter_alignment(from)) & blockmask)
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c
index 355ef9c36c87..8f3e78eb0bbd 100644
--- a/fs/ext4/indirect.c
+++ b/fs/ext4/indirect.c
@@ -1491,10 +1491,14 @@ end_range:
partial->p + 1,
partial2->p,
(chain+n-1) - partial);
- BUFFER_TRACE(partial->bh, "call brelse");
- brelse(partial->bh);
- BUFFER_TRACE(partial2->bh, "call brelse");
- brelse(partial2->bh);
+ while (partial > chain) {
+ BUFFER_TRACE(partial->bh, "call brelse");
+ brelse(partial->bh);
+ }
+ while (partial2 > chain2) {
+ BUFFER_TRACE(partial2->bh, "call brelse");
+ brelse(partial2->bh);
+ }
return 0;
}
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 5e1054f028af..c7e32a891502 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -1550,7 +1550,8 @@ static void drop_sysctl_table(struct ctl_table_header *header)
if (--header->nreg)
return;
- put_links(header);
+ if (parent)
+ put_links(header);
start_unregistering(header);
if (!--header->count)
kfree_rcu(header, rcu);
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index 42b8c57795cb..c6ce7503a329 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -260,6 +260,9 @@ void udf_truncate_extents(struct inode *inode)
epos.block = eloc;
epos.bh = udf_tread(sb,
udf_get_lb_pblock(sb, &eloc, 0));
+ /* Error reading indirect block? */
+ if (!epos.bh)
+ return;
if (elen)
indirect_ext_len =
(elen + sb->s_blocksize - 1) >>
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 5ed540986019..a579240c64e9 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -401,6 +401,42 @@ static inline void hlist_add_head_rcu(struct hlist_node *n,
first->pprev = &n->next;
}
+/**
+ * hlist_add_tail_rcu
+ * @n: the element to add to the hash list.
+ * @h: the list to add to.
+ *
+ * Description:
+ * Adds the specified element to the specified hlist,
+ * while permitting racing traversals.
+ *
+ * The caller must take whatever precautions are necessary
+ * (such as holding appropriate locks) to avoid racing
+ * with another list-mutation primitive, such as hlist_add_head_rcu()
+ * or hlist_del_rcu(), running on this same list.
+ * However, it is perfectly legal to run concurrently with
+ * the _rcu list-traversal primitives, such as
+ * hlist_for_each_entry_rcu(), used to prevent memory-consistency
+ * problems on Alpha CPUs. Regardless of the type of CPU, the
+ * list-traversal primitive must be guarded by rcu_read_lock().
+ */
+static inline void hlist_add_tail_rcu(struct hlist_node *n,
+ struct hlist_head *h)
+{
+ struct hlist_node *i, *last = NULL;
+
+ for (i = hlist_first_rcu(h); i; i = hlist_next_rcu(i))
+ last = i;
+
+ if (last) {
+ n->next = last->next;
+ n->pprev = &last->next;
+ rcu_assign_pointer(hlist_next_rcu(last), n);
+ } else {
+ hlist_add_head_rcu(n, h);
+ }
+}
+
/**
* hlist_add_before_rcu
* @n: the new element to add to the hash list.
diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index 4a5b9a306c69..803fc26ef0ba 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
unsigned int offset)
{
- struct sctphdr *sh = sctp_hdr(skb);
+ struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
__le32 ret, old = sh->checksum;
const struct skb_checksum_ops ops = {
.update = sctp_csum_update,
diff --git a/include/net/sock.h b/include/net/sock.h
index 7420299c31f5..0aadd3b03ced 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -651,6 +651,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
hlist_add_head_rcu(&sk->sk_node, list);
}
+static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
+{
+ sock_hold(sk);
+ hlist_add_tail_rcu(&sk->sk_node, list);
+}
+
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
diff --git a/kernel/futex.c b/kernel/futex.c
index 0c92c8d34ffa..ec9df5ba040b 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -3067,6 +3067,10 @@ int handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi)
{
u32 uval, uninitialized_var(nval), mval;
+ /* Futex address must be 32bit aligned */
+ if ((((unsigned long)uaddr) % sizeof(*uaddr)) != 0)
+ return -1;
+
retry:
if (get_user(uval, uaddr))
return -1;
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 774ab79d3ec7..a49c565529a0 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -3314,6 +3314,9 @@ __lock_set_class(struct lockdep_map *lock, const char *name,
unsigned int depth;
int i;
+ if (unlikely(!debug_locks))
+ return 0;
+
depth = curr->lockdep_depth;
/*
* This function is about (re)setting the class of a held lock,
diff --git a/lib/int_sqrt.c b/lib/int_sqrt.c
index 1ef4cc344977..1afb545a37c5 100644
--- a/lib/int_sqrt.c
+++ b/lib/int_sqrt.c
@@ -22,6 +22,9 @@ unsigned long int_sqrt(unsigned long x)
return x;
m = 1UL << (BITS_PER_LONG - 2);
+ while (m > x)
+ m >>= 2;
+
while (m != 0) {
b = y + m;
y >>= 1;
diff --git a/mm/rmap.c b/mm/rmap.c
index 488dda209431..cf733fab230f 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -408,7 +408,7 @@ void unlink_anon_vmas(struct vm_area_struct *vma)
list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
struct anon_vma *anon_vma = avc->anon_vma;
- BUG_ON(anon_vma->degree);
+ VM_WARN_ON(anon_vma->degree);
put_anon_vma(anon_vma);
list_del(&avc->same_vma);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index af68674690af..f76e9c1e9f17 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3315,16 +3315,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
+ if (len < 0)
+ break;
hint = type & L2CAP_CONF_HINT;
type &= L2CAP_CONF_MASK;
switch (type) {
case L2CAP_CONF_MTU:
+ if (olen != 2)
+ break;
mtu = val;
break;
case L2CAP_CONF_FLUSH_TO:
+ if (olen != 2)
+ break;
chan->flush_to = val;
break;
@@ -3332,26 +3338,30 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
break;
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *) val, olen);
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *) val, olen);
break;
case L2CAP_CONF_FCS:
+ if (olen != 1)
+ break;
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS, &chan->conf_state);
break;
case L2CAP_CONF_EFS:
- if (olen == sizeof(efs)) {
- remote_efs = 1;
- memcpy(&efs, (void *) val, olen);
- }
+ if (olen != sizeof(efs))
+ break;
+ remote_efs = 1;
+ memcpy(&efs, (void *) val, olen);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
return -ECONNREFUSED;
-
set_bit(FLAG_EXT_CTRL, &chan->flags);
set_bit(CONF_EWS_RECV, &chan->conf_state);
chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
@@ -3361,7 +3371,6 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
default:
if (hint)
break;
-
result = L2CAP_CONF_UNKNOWN;
*((u8 *) ptr++) = type;
break;
@@ -3526,58 +3535,65 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
+ if (len < 0)
+ break;
switch (type) {
case L2CAP_CONF_MTU:
+ if (olen != 2)
+ break;
if (val < L2CAP_DEFAULT_MIN_MTU) {
*result = L2CAP_CONF_UNACCEPT;
chan->imtu = L2CAP_DEFAULT_MIN_MTU;
} else
chan->imtu = val;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu,
+ endptr - ptr);
break;
case L2CAP_CONF_FLUSH_TO:
+ if (olen != 2)
+ break;
chan->flush_to = val;
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO,
- 2, chan->flush_to, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2,
+ chan->flush_to, endptr - ptr);
break;
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *)val, olen);
-
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *)val, olen);
if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
rfc.mode != chan->mode)
return -ECONNREFUSED;
-
chan->fcs = 0;
-
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc, endptr - ptr);
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
+ (unsigned long) &rfc, endptr - ptr);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
chan->ack_win = min_t(u16, val, chan->ack_win);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
chan->tx_win, endptr - ptr);
break;
case L2CAP_CONF_EFS:
- if (olen == sizeof(efs)) {
- memcpy(&efs, (void *)val, olen);
-
- if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != L2CAP_SERV_NOTRAFIC &&
- efs.stype != chan->local_stype)
- return -ECONNREFUSED;
-
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
- (unsigned long) &efs, endptr - ptr);
- }
+ if (olen != sizeof(efs))
+ break;
+ memcpy(&efs, (void *)val, olen);
+ if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != L2CAP_SERV_NOTRAFIC &&
+ efs.stype != chan->local_stype)
+ return -ECONNREFUSED;
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
+ (unsigned long) &efs, endptr - ptr);
break;
case L2CAP_CONF_FCS:
+ if (olen != 1)
+ break;
if (*result == L2CAP_CONF_PENDING)
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS,
@@ -3706,13 +3722,18 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
+ if (len < 0)
+ break;
switch (type) {
case L2CAP_CONF_RFC:
- if (olen == sizeof(rfc))
- memcpy(&rfc, (void *)val, olen);
+ if (olen != sizeof(rfc))
+ break;
+ memcpy(&rfc, (void *)val, olen);
break;
case L2CAP_CONF_EWS:
+ if (olen != 2)
+ break;
txwin_ext = val;
break;
}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d6c191158e07..6e7f99569bdf 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1043,11 +1043,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
- newnp->mcast_oif = tcp_v6_iif(skb);
- newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
- newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
+ newnp->mcast_oif = inet_iif(skb);
+ newnp->mcast_hops = ip_hdr(skb)->ttl;
+ newnp->rcv_flowinfo = 0;
if (np->repflow)
- newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
+ newnp->flow_label = 0;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index d517dd7f4ac7..7d93228ba1e1 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3155,7 +3155,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
}
mutex_lock(&net->packet.sklist_lock);
- sk_add_node_rcu(sk, &net->packet.sklist);
+ sk_add_node_tail_rcu(sk, &net->packet.sklist);
mutex_unlock(&net->packet.sklist_lock);
preempt_disable();
@@ -4130,7 +4130,7 @@ static struct pgv *alloc_pg_vec(struct tpacket_req *req, int order)
struct pgv *pg_vec;
int i;
- pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL);
+ pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL | __GFP_NOWARN);
if (unlikely(!pg_vec))
goto out;
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index 7ca57741b2fb..7849f286bb93 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -105,16 +105,17 @@ void rose_write_internal(struct sock *sk, int frametype)
struct sk_buff *skb;
unsigned char *dptr;
unsigned char lci1, lci2;
- char buffer[100];
- int len, faclen = 0;
+ int maxfaclen = 0;
+ int len, faclen;
+ int reserve;
- len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
+ reserve = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1;
+ len = ROSE_MIN_LEN;
switch (frametype) {
case ROSE_CALL_REQUEST:
len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
- faclen = rose_create_facilities(buffer, rose);
- len += faclen;
+ maxfaclen = 256;
break;
case ROSE_CALL_ACCEPTED:
case ROSE_CLEAR_REQUEST:
@@ -123,15 +124,16 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
}
- if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+ skb = alloc_skb(reserve + len + maxfaclen, GFP_ATOMIC);
+ if (!skb)
return;
/*
* Space for AX.25 header and PID.
*/
- skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1);
+ skb_reserve(skb, reserve);
- dptr = skb_put(skb, skb_tailroom(skb));
+ dptr = skb_put(skb, len);
lci1 = (rose->lci >> 8) & 0x0F;
lci2 = (rose->lci >> 0) & 0xFF;
@@ -146,7 +148,8 @@ void rose_write_internal(struct sock *sk, int frametype)
dptr += ROSE_ADDR_LEN;
memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN);
dptr += ROSE_ADDR_LEN;
- memcpy(dptr, buffer, faclen);
+ faclen = rose_create_facilities(dptr, rose);
+ skb_put(skb, faclen);
dptr += faclen;
break;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 642a78079ae1..81013490a99f 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -11721,7 +11721,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@@ -11873,7 +11873,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@@ -11913,7 +11913,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@@ -11951,7 +11951,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
if (!msg)
return;
@@ -12028,7 +12028,7 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
trace_cfg80211_notify_new_peer_candidate(dev, addr);
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + ie_len, gfp);
if (!msg)
return;
@@ -12397,7 +12397,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + len, gfp);
if (!msg)
return -ENOMEM;
@@ -12440,7 +12440,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@@ -13244,7 +13244,7 @@ void cfg80211_ft_event(struct net_device *netdev,
if (!ft_event->target_ap)
return;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL);
if (!msg)
return;
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 63d91e22ed7c..966dd3924ea9 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -143,7 +143,7 @@ fi
if test -e include/config/auto.conf; then
. include/config/auto.conf
else
- echo "Error: kernelrelease not valid - run 'make prepare' to update it"
+ echo "Error: kernelrelease not valid - run 'make prepare' to update it" >&2
exit 1
fi
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 2272aee12871..3c88a3384064 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -38,6 +38,7 @@
#include <linux/uio.h>
#include <linux/uaccess.h>
#include <linux/module.h>
+#include <linux/compat.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/compress_params.h>
@@ -859,6 +860,15 @@ static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
return retval;
}
+/* support of 32bit userspace on 64bit platforms */
+#ifdef CONFIG_COMPAT
+static long snd_compr_ioctl_compat(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ return snd_compr_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
+}
+#endif
+
static const struct file_operations snd_compr_file_ops = {
.owner = THIS_MODULE,
.open = snd_compr_open,
@@ -866,6 +876,9 @@ static const struct file_operations snd_compr_file_ops = {
.write = snd_compr_write,
.read = snd_compr_read,
.unlocked_ioctl = snd_compr_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = snd_compr_ioctl_compat,
+#endif
.mmap = snd_compr_mmap,
.poll = snd_compr_poll,
};
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 07feb35f1935..443bb8ce8255 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -950,6 +950,28 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
params_channels(params) / 8;
+ err = snd_pcm_oss_period_size(substream, params, sparams);
+ if (err < 0)
+ goto failure;
+
+ n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
+ err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
+ if (err < 0)
+ goto failure;
+
+ err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
+ runtime->oss.periods, NULL);
+ if (err < 0)
+ goto failure;
+
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams);
+ if (err < 0) {
+ pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
+ goto failure;
+ }
+
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
snd_pcm_oss_plugin_clear(substream);
if (!direct) {
@@ -984,27 +1006,6 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
}
#endif
- err = snd_pcm_oss_period_size(substream, params, sparams);
- if (err < 0)
- goto failure;
-
- n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
- err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
- if (err < 0)
- goto failure;
-
- err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
- runtime->oss.periods, NULL);
- if (err < 0)
- goto failure;
-
- snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
-
- if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) {
- pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
- goto failure;
- }
-
if (runtime->oss.trigger) {
sw_params->start_threshold = 1;
} else {
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 9b6dcdea4431..4d6f0f56d54a 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1254,8 +1254,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push)
static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
+ switch (runtime->status->state) {
+ case SNDRV_PCM_STATE_SUSPENDED:
return -EBUSY;
+ /* unresumable PCM state; return -EBUSY for skipping suspend */
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_DISCONNECTED:
+ return -EBUSY;
+ }
runtime->trigger_master = substream;
return 0;
}
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 59111cadaec2..c8b2309352d7 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -29,6 +29,7 @@
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/delay.h>
+#include <linux/nospec.h>
#include <sound/rawmidi.h>
#include <sound/info.h>
#include <sound/control.h>
@@ -591,6 +592,7 @@ static int __snd_rawmidi_info_select(struct snd_card *card,
return -ENXIO;
if (info->stream < 0 || info->stream > 1)
return -EINVAL;
+ info->stream = array_index_nospec(info->stream, 2);
pstr = &rmidi->streams[info->stream];
if (pstr->substream_count == 0)
return -ENOENT;
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index ea545f9291b4..df5b984bb33f 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -617,13 +617,14 @@ int
snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf)
{
struct seq_oss_synth *rec;
+ struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev);
- if (dev < 0 || dev >= dp->max_synthdev)
+ if (!info)
return -ENXIO;
- if (dp->synths[dev].is_midi) {
+ if (info->is_midi) {
struct midi_info minf;
- snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf);
+ snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf);
inf->synth_type = SYNTH_TYPE_MIDI;
inf->synth_subtype = 0;
inf->nr_voices = 16;
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index f6d4a1046e54..ad0b23a21bc8 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3004,6 +3004,7 @@ static void hda_call_codec_resume(struct hda_codec *codec)
hda_jackpoll_work(&codec->jackpoll_work.work);
else
snd_hda_jack_report_sync(codec);
+ codec->core.dev.power.power_state = PMSG_ON;
atomic_dec(&codec->core.in_pm);
}
@@ -3036,10 +3037,62 @@ static int hda_codec_runtime_resume(struct device *dev)
}
#endif /* CONFIG_PM */
+#ifdef CONFIG_PM_SLEEP
+static int hda_codec_force_resume(struct device *dev)
+{
+ int ret;
+
+ /* The get/put pair below enforces the runtime resume even if the
+ * device hasn't been used at suspend time. This trick is needed to
+ * update the jack state change during the sleep.
+ */
+ pm_runtime_get_noresume(dev);
+ ret = pm_runtime_force_resume(dev);
+ pm_runtime_put(dev);
+ return ret;
+}
+
+static int hda_codec_pm_suspend(struct device *dev)
+{
+ dev->power.power_state = PMSG_SUSPEND;
+ return pm_runtime_force_suspend(dev);
+}
+
+static int hda_codec_pm_resume(struct device *dev)
+{
+ dev->power.power_state = PMSG_RESUME;
+ return hda_codec_force_resume(dev);
+}
+
+static int hda_codec_pm_freeze(struct device *dev)
+{
+ dev->power.power_state = PMSG_FREEZE;
+ return pm_runtime_force_suspend(dev);
+}
+
+static int hda_codec_pm_thaw(struct device *dev)
+{
+ dev->power.power_state = PMSG_THAW;
+ return hda_codec_force_resume(dev);
+}
+
+static int hda_codec_pm_restore(struct device *dev)
+{
+ dev->power.power_state = PMSG_RESTORE;
+ return hda_codec_force_resume(dev);
+}
+#endif /* CONFIG_PM_SLEEP */
+
/* referred in hda_bind.c */
const struct dev_pm_ops hda_codec_driver_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
+#ifdef CONFIG_PM_SLEEP
+ .suspend = hda_codec_pm_suspend,
+ .resume = hda_codec_pm_resume,
+ .freeze = hda_codec_pm_freeze,
+ .thaw = hda_codec_pm_thaw,
+ .poweroff = hda_codec_pm_suspend,
+ .restore = hda_codec_pm_restore,
+#endif /* CONFIG_PM_SLEEP */
SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
NULL)
};
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index d01e2ce818f7..62b38f2ff60d 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -238,19 +238,15 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params)
if (!(decoder->tsc_ctc_ratio_n % decoder->tsc_ctc_ratio_d))
decoder->tsc_ctc_mult = decoder->tsc_ctc_ratio_n /
decoder->tsc_ctc_ratio_d;
-
- /*
- * Allow for timestamps appearing to backwards because a TSC
- * packet has slipped past a MTC packet, so allow 2 MTC ticks
- * or ...
- */
- decoder->tsc_slip = multdiv(2 << decoder->mtc_shift,
- decoder->tsc_ctc_ratio_n,
- decoder->tsc_ctc_ratio_d);
}
- /* ... or 0x100 paranoia */
- if (decoder->tsc_slip < 0x100)
- decoder->tsc_slip = 0x100;
+
+ /*
+ * A TSC packet can slip past MTC packets so that the timestamp appears
+ * to go backwards. One estimate is that can be up to about 40 CPU
+ * cycles, which is certainly less than 0x1000 TSC ticks, but accept
+ * slippage an order of magnitude more to be on the safe side.
+ */
+ decoder->tsc_slip = 0x10000;
intel_pt_log("timestamp: mtc_shift %u\n", decoder->mtc_shift);
intel_pt_log("timestamp: tsc_ctc_ratio_n %u\n", decoder->tsc_ctc_ratio_n);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index fce48d11ae07..08a954582e31 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2611,6 +2611,9 @@ static long kvm_device_ioctl(struct file *filp, unsigned int ioctl,
{
struct kvm_device *dev = filp->private_data;
+ if (dev->kvm->mm != current->mm)
+ return -EIO;
+
switch (ioctl) {
case KVM_SET_DEVICE_ATTR:
return kvm_device_ioctl_attr(dev, dev->ops->set_attr, arg);