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This is the 4.14.78 stable release

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Merge 4.14.78 into android-4.14-p

Changes in 4.14.78
	media: af9035: prevent buffer overflow on write
	batman-adv: Avoid probe ELP information leak
	batman-adv: Fix segfault when writing to throughput_override
	batman-adv: Fix segfault when writing to sysfs elp_interval
	batman-adv: Prevent duplicated gateway_node entry
	batman-adv: Prevent duplicated nc_node entry
	batman-adv: Prevent duplicated softif_vlan entry
	batman-adv: Prevent duplicated global TT entry
	batman-adv: Prevent duplicated tvlv handler
	batman-adv: fix backbone_gw refcount on queue_work() failure
	batman-adv: fix hardif_neigh refcount on queue_work() failure
	clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
	scsi: ibmvscsis: Fix a stringop-overflow warning
	scsi: ibmvscsis: Ensure partition name is properly NUL terminated
	intel_th: pci: Add Ice Lake PCH support
	Input: atakbd - fix Atari keymap
	Input: atakbd - fix Atari CapsLock behaviour
	net: emac: fix fixed-link setup for the RTL8363SB switch
	ravb: do not write 1 to reserved bits
	PCI: dwc: Fix scheduling while atomic issues
	drm: mali-dp: Call drm_crtc_vblank_reset on device init
	scsi: ipr: System hung while dlpar adding primary ipr adapter back
	scsi: sd: don't crash the host on invalid commands
	net/mlx4: Use cpumask_available for eq->affinity_mask
	clocksource/drivers/fttmr010: Fix set_next_event handler
	powerpc/tm: Fix userspace r13 corruption
	powerpc/tm: Avoid possible userspace r1 corruption on reclaim
	iommu/amd: Return devid as alias for ACPI HID devices
	powerpc/lib/feature-fixups: use raw_patch_instruction()
	Revert "vfs: fix freeze protection in mnt_want_write_file() for overlayfs"
	mremap: properly flush TLB before releasing the page
	ARC: build: Get rid of toolchain check
	ARC: build: Don't set CROSS_COMPILE in arch's Makefile
	HID: quirks: fix support for Apple Magic Keyboards
	drm/i915: Nuke the LVDS lid notifier
	staging: ccree: check DMA pool buf !NULL before free
	mm: disallow mappings that conflict for devm_memremap_pages()
	drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.
	i2c: rcar: handle RXDMA HW behaviour on Gen3
	IB/hfi1: Fix destroy_qp hang after a link down
	Linux 4.14.78

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
tirimbino
Greg Kroah-Hartman 6 years ago
parent c2214bce1a e7405910ca
commit 0560ddf11a
49 changed files with 437 additions and 394 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      Makefile
  2. 24
      arch/arc/Makefile
  3. 1
      arch/powerpc/include/asm/code-patching.h
  4. 20
      arch/powerpc/kernel/tm.S
  5. 4
      arch/powerpc/lib/code-patching.c
  6. 8
      arch/powerpc/lib/feature-fixups.c
  7. 18
      drivers/clocksource/timer-fttmr010.c
  8. 3
      drivers/clocksource/timer-ti-32k.c
  9. 1
      drivers/gpu/drm/arm/malidp_drv.c
  10. 10
      drivers/gpu/drm/i915/i915_drv.c
  11. 9
      drivers/gpu/drm/i915/i915_drv.h
  12. 13
      drivers/gpu/drm/i915/intel_ddi.c
  13. 21
      drivers/gpu/drm/i915/intel_display.c
  14. 3
      drivers/gpu/drm/i915/intel_drv.h
  15. 136
      drivers/gpu/drm/i915/intel_lvds.c
  16. 3
      drivers/hid/hid-core.c
  17. 5
      drivers/hwtracing/intel_th/pci.c
  18. 54
      drivers/i2c/busses/i2c-rcar.c
  19. 7
      drivers/infiniband/hw/hfi1/chip.c
  20. 42
      drivers/infiniband/hw/hfi1/pio.c
  21. 2
      drivers/infiniband/hw/hfi1/pio.h
  22. 74
      drivers/input/keyboard/atakbd.c
  23. 6
      drivers/iommu/amd_iommu.c
  24. 6
      drivers/media/usb/dvb-usb-v2/af9035.c
  25. 15
      drivers/net/ethernet/ibm/emac/core.c
  26. 3
      drivers/net/ethernet/mellanox/mlx4/eq.c
  27. 5
      drivers/net/ethernet/renesas/ravb.h
  28. 11
      drivers/net/ethernet/renesas/ravb_main.c
  29. 2
      drivers/net/ethernet/renesas/ravb_ptp.c
  30. 8
      drivers/pci/dwc/pcie-designware.c
  31. 3
      drivers/pci/dwc/pcie-designware.h
  32. 5
      drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
  33. 106
      drivers/scsi/ipr.c
  34. 1
      drivers/scsi/ipr.h
  35. 3
      drivers/scsi/sd.c
  36. 3
      drivers/staging/ccree/ssi_buffer_mgr.c
  37. 7
      fs/namespace.c
  38. 2
      include/linux/huge_mm.h
  39. 18
      kernel/memremap.c
  40. 10
      mm/huge_memory.c
  41. 30
      mm/mremap.c
  42. 10
      net/batman-adv/bat_v_elp.c
  43. 10
      net/batman-adv/bridge_loop_avoidance.c
  44. 11
      net/batman-adv/gateway_client.c
  45. 27
      net/batman-adv/network-coding.c
  46. 25
      net/batman-adv/soft-interface.c
  47. 30
      net/batman-adv/sysfs.c
  48. 6
      net/batman-adv/translation-table.c
  49. 8
      net/batman-adv/tvlv.c

2
Makefile
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@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
SUBLEVEL = 77
SUBLEVEL = 78
EXTRAVERSION =
NAME = Petit Gorille

24
arch/arc/Makefile
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@ -6,34 +6,12 @@
# published by the Free Software Foundation.
#
ifeq ($(CROSS_COMPILE),)
ifndef CONFIG_CPU_BIG_ENDIAN
CROSS_COMPILE := arc-linux-
else
CROSS_COMPILE := arceb-linux-
endif
endif
KBUILD_DEFCONFIG := nsim_700_defconfig
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
cflags-$(CONFIG_ISA_ARCV2) += -mcpu=archs
is_700 = $(shell $(CC) -dM -E - < /dev/null | grep -q "ARC700" && echo 1 || echo 0)
ifdef CONFIG_ISA_ARCOMPACT
ifeq ($(is_700), 0)
$(error Toolchain not configured for ARCompact builds)
endif
endif
ifdef CONFIG_ISA_ARCV2
ifeq ($(is_700), 1)
$(error Toolchain not configured for ARCv2 builds)
endif
endif
ifdef CONFIG_ARC_CURR_IN_REG
# For a global register defintion, make sure it gets passed to every file
# We had a customer reported bug where some code built in kernel was NOT using
@ -87,7 +65,7 @@ ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
# --build-id w/o "-marclinux". Default arc-elf32-ld is OK
ldflags-$(upto_gcc44) += -marclinux
LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
LIBGCC = $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
# Modules with short calls might break for calls into builtin-kernel
KBUILD_CFLAGS_MODULE += -mlong-calls -mno-millicode

1
arch/powerpc/include/asm/code-patching.h
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@ -31,6 +31,7 @@ unsigned int create_cond_branch(const unsigned int *addr,
unsigned long target, int flags);
int patch_branch(unsigned int *addr, unsigned long target, int flags);
int patch_instruction(unsigned int *addr, unsigned int instr);
int raw_patch_instruction(unsigned int *addr, unsigned int instr);
int instr_is_relative_branch(unsigned int instr);
int instr_is_relative_link_branch(unsigned int instr);

20
arch/powerpc/kernel/tm.S
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@ -167,13 +167,27 @@ _GLOBAL(tm_reclaim)
std r1, PACATMSCRATCH(r13)
ld r1, PACAR1(r13)
/* Store the PPR in r11 and reset to decent value */
std r11, GPR11(r1) /* Temporary stash */
/*
* Move the saved user r1 to the kernel stack in case PACATMSCRATCH is
* clobbered by an exception once we turn on MSR_RI below.
*/
ld r11, PACATMSCRATCH(r13)
std r11, GPR1(r1)
/*
* Store r13 away so we can free up the scratch SPR for the SLB fault
* handler (needed once we start accessing the thread_struct).
*/
GET_SCRATCH0(r11)
std r11, GPR13(r1)
/* Reset MSR RI so we can take SLB faults again */
li r11, MSR_RI
mtmsrd r11, 1
/* Store the PPR in r11 and reset to decent value */
mfspr r11, SPRN_PPR
HMT_MEDIUM
@ -198,11 +212,11 @@ _GLOBAL(tm_reclaim)
SAVE_GPR(8, r7) /* user r8 */
SAVE_GPR(9, r7) /* user r9 */
SAVE_GPR(10, r7) /* user r10 */
ld r3, PACATMSCRATCH(r13) /* user r1 */
ld r3, GPR1(r1) /* user r1 */
ld r4, GPR7(r1) /* user r7 */
ld r5, GPR11(r1) /* user r11 */
ld r6, GPR12(r1) /* user r12 */
GET_SCRATCH0(8) /* user r13 */
ld r8, GPR13(r1) /* user r13 */
std r3, GPR1(r7)
std r4, GPR7(r7)
std r5, GPR11(r7)

4
arch/powerpc/lib/code-patching.c
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@ -39,7 +39,7 @@ static int __patch_instruction(unsigned int *exec_addr, unsigned int instr,
return 0;
}
static int raw_patch_instruction(unsigned int *addr, unsigned int instr)
int raw_patch_instruction(unsigned int *addr, unsigned int instr)
{
return __patch_instruction(addr, instr, addr);
}
@ -156,7 +156,7 @@ static int do_patch_instruction(unsigned int *addr, unsigned int instr)
* when text_poke_area is not ready, but we still need
* to allow patching. We just do the plain old patching
*/
if (!this_cpu_read(*PTRRELOC(&text_poke_area)))
if (!this_cpu_read(text_poke_area))
return raw_patch_instruction(addr, instr);
local_irq_save(flags);

8
arch/powerpc/lib/feature-fixups.c
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@ -63,7 +63,7 @@ static int patch_alt_instruction(unsigned int *src, unsigned int *dest,
}
}
patch_instruction(dest, instr);
raw_patch_instruction(dest, instr);
return 0;
}
@ -92,7 +92,7 @@ static int patch_feature_section(unsigned long value, struct fixup_entry *fcur)
}
for (; dest < end; dest++)
patch_instruction(dest, PPC_INST_NOP);
raw_patch_instruction(dest, PPC_INST_NOP);
return 0;
}
@ -292,7 +292,7 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
for (; start < end; start++) {
dest = (void *)start + *start;
patch_instruction(dest, PPC_INST_LWSYNC);
raw_patch_instruction(dest, PPC_INST_LWSYNC);
}
}
@ -310,7 +310,7 @@ static void do_final_fixups(void)
length = (__end_interrupts - _stext) / sizeof(int);
while (length--) {
patch_instruction(dest, *src);
raw_patch_instruction(dest, *src);
src++;
dest++;
}

18
drivers/clocksource/timer-fttmr010.c
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@ -130,13 +130,17 @@ static int fttmr010_timer_set_next_event(unsigned long cycles,
cr &= ~fttmr010->t1_enable_val;
writel(cr, fttmr010->base + TIMER_CR);
/* Setup the match register forward/backward in time */
cr = readl(fttmr010->base + TIMER1_COUNT);
if (fttmr010->count_down)
cr -= cycles;
else
cr += cycles;
writel(cr, fttmr010->base + TIMER1_MATCH1);
if (fttmr010->count_down) {
/*
* ASPEED Timer Controller will load TIMER1_LOAD register
* into TIMER1_COUNT register when the timer is re-enabled.
*/
writel(cycles, fttmr010->base + TIMER1_LOAD);
} else {
/* Setup the match register forward in time */
cr = readl(fttmr010->base + TIMER1_COUNT);
writel(cr + cycles, fttmr010->base + TIMER1_MATCH1);
}
/* Start */
cr = readl(fttmr010->base + TIMER_CR);

3
drivers/clocksource/timer-ti-32k.c
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@ -98,6 +98,9 @@ static int __init ti_32k_timer_init(struct device_node *np)
return -ENXIO;
}
if (!of_machine_is_compatible("ti,am43"))
ti_32k_timer.cs.flags |= CLOCK_SOURCE_SUSPEND_NONSTOP;
ti_32k_timer.counter = ti_32k_timer.base;
/*

1
drivers/gpu/drm/arm/malidp_drv.c
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@ -617,6 +617,7 @@ static int malidp_bind(struct device *dev)
drm->irq_enabled = true;
ret = drm_vblank_init(drm, drm->mode_config.num_crtc);
drm_crtc_vblank_reset(&malidp->crtc);
if (ret < 0) {
DRM_ERROR("failed to initialise vblank\n");
goto vblank_fail;

10
drivers/gpu/drm/i915/i915_drv.c
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@ -878,7 +878,6 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv,
spin_lock_init(&dev_priv->mm.object_stat_lock);
mutex_init(&dev_priv->sb_lock);
mutex_init(&dev_priv->modeset_restore_lock);
mutex_init(&dev_priv->av_mutex);
mutex_init(&dev_priv->wm.wm_mutex);
mutex_init(&dev_priv->pps_mutex);
@ -1505,11 +1504,6 @@ static int i915_drm_suspend(struct drm_device *dev)
pci_power_t opregion_target_state;
int error;
/* ignore lid events during suspend */
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_SUSPENDED;
mutex_unlock(&dev_priv->modeset_restore_lock);
disable_rpm_wakeref_asserts(dev_priv);
/* We do a lot of poking in a lot of registers, make sure they work
@ -1718,10 +1712,6 @@ static int i915_drm_resume(struct drm_device *dev)
intel_fbdev_set_suspend(dev, FBINFO_STATE_RUNNING, false);
mutex_lock(&dev_priv->modeset_restore_lock);
dev_priv->modeset_restore = MODESET_DONE;
mutex_unlock(&dev_priv->modeset_restore_lock);
intel_opregion_notify_adapter(dev_priv, PCI_D0);
intel_autoenable_gt_powersave(dev_priv);

9
drivers/gpu/drm/i915/i915_drv.h
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@ -1183,6 +1183,7 @@ enum intel_sbi_destination {
#define QUIRK_BACKLIGHT_PRESENT (1<<3)
#define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
#define QUIRK_INCREASE_T12_DELAY (1<<6)
#define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
struct intel_fbdev;
struct intel_fbc_work;
@ -1614,12 +1615,6 @@ struct i915_gpu_error {
unsigned long test_irq_rings;
};
enum modeset_restore {
MODESET_ON_LID_OPEN,
MODESET_DONE,
MODESET_SUSPENDED,
};
#define DP_AUX_A 0x40
#define DP_AUX_B 0x10
#define DP_AUX_C 0x20
@ -2296,8 +2291,6 @@ struct drm_i915_private {
unsigned long quirks;
enum modeset_restore modeset_restore;
struct mutex modeset_restore_lock;
struct drm_atomic_state *modeset_restore_state;
struct drm_modeset_acquire_ctx reset_ctx;

13
drivers/gpu/drm/i915/intel_ddi.c
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@ -1526,15 +1526,24 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
}
void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder)
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
uint32_t val = I915_READ(reg);
val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
val |= TRANS_DDI_PORT_NONE;
I915_WRITE(reg, val);
if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
DRM_DEBUG_KMS("Quirk Increase DDI disabled time\n");
/* Quirk time at 100ms for reliable operation */
msleep(100);
}
}
bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector)

21
drivers/gpu/drm/i915/intel_display.c
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@ -5653,7 +5653,7 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
intel_ddi_set_vc_payload_alloc(intel_crtc->config, false);
if (!transcoder_is_dsi(cpu_transcoder))
intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
intel_ddi_disable_transcoder_func(old_crtc_state);
if (INTEL_GEN(dev_priv) >= 9)
skylake_scaler_disable(intel_crtc);
@ -14286,6 +14286,18 @@ static void quirk_increase_t12_delay(struct drm_device *dev)
DRM_INFO("Applying T12 delay quirk\n");
}
/*
* GeminiLake NUC HDMI outputs require additional off time
* this allows the onboard retimer to correctly sync to signal
*/
static void quirk_increase_ddi_disabled_time(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
dev_priv->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
DRM_INFO("Applying Increase DDI Disabled quirk\n");
}
struct intel_quirk {
int device;
int subsystem_vendor;
@ -14372,6 +14384,13 @@ static struct intel_quirk intel_quirks[] = {
/* Toshiba Satellite P50-C-18C */
{ 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
/* GeminiLake NUC */
{ 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
{ 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
/* ASRock ITX*/
{ 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
{ 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
};
static void intel_init_quirks(struct drm_device *dev)

3
drivers/gpu/drm/i915/intel_drv.h
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@ -1254,8 +1254,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder);
bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder);
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state);
struct intel_encoder *

136
drivers/gpu/drm/i915/intel_lvds.c
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@ -44,8 +44,6 @@
/* Private structure for the integrated LVDS support */
struct intel_lvds_connector {
struct intel_connector base;
struct notifier_block lid_notifier;
};
struct intel_lvds_pps {
@ -440,26 +438,9 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
return true;
}
/**
* Detect the LVDS connection.
*
* Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means
* connected and closed means disconnected. We also send hotplug events as
* needed, using lid status notification from the input layer.
*/
static enum drm_connector_status
intel_lvds_detect(struct drm_connector *connector, bool force)
{
struct drm_i915_private *dev_priv = to_i915(connector->dev);
enum drm_connector_status status;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
status = intel_panel_detect(dev_priv);
if (status != connector_status_unknown)
return status;
return connector_status_connected;
}
@ -484,117 +465,6 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
return 1;
}
static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id)
{
DRM_INFO("Skipping forced modeset for %s\n", id->ident);
return 1;
}
/* The GPU hangs up on these systems if modeset is performed on LID open */
static const struct dmi_system_id intel_no_modeset_on_lid[] = {
{
.callback = intel_no_modeset_on_lid_dmi_callback,
.ident = "Toshiba Tecra A11",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"),
},
},
{ } /* terminating entry */
};
/*
* Lid events. Note the use of 'modeset':
* - we set it to MODESET_ON_LID_OPEN on lid close,
* and set it to MODESET_DONE on open
* - we use it as a "only once" bit (ie we ignore
* duplicate events where it was already properly set)
* - the suspend/resume paths will set it to
* MODESET_SUSPENDED and ignore the lid open event,
* because they restore the mode ("lid open").
*/
static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
void *unused)
{
struct intel_lvds_connector *lvds_connector =
container_of(nb, struct intel_lvds_connector, lid_notifier);
struct drm_connector *connector = &lvds_connector->base.base;
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = to_i915(dev);
if (dev->switch_power_state != DRM_SWITCH_POWER_ON)
return NOTIFY_OK;
mutex_lock(&dev_priv->modeset_restore_lock);
if (dev_priv->modeset_restore == MODESET_SUSPENDED)
goto exit;
/*
* check and update the status of LVDS connector after receiving
* the LID nofication event.
*/
connector->status = connector->funcs->detect(connector, false);
/* Don't force modeset on machines where it causes a GPU lockup */
if (dmi_check_system(intel_no_modeset_on_lid))
goto exit;
if (!acpi_lid_open()) {
/* do modeset on next lid open event */
dev_priv->modeset_restore = MODESET_ON_LID_OPEN;
goto exit;
}
if (dev_priv->modeset_restore == MODESET_DONE)
goto exit;
/*
* Some old platform's BIOS love to wreak havoc while the lid is closed.
* We try to detect this here and undo any damage. The split for PCH
* platforms is rather conservative and a bit arbitrary expect that on
* those platforms VGA disabling requires actual legacy VGA I/O access,
* and as part of the cleanup in the hw state restore we also redisable
* the vga plane.
*/
if (!HAS_PCH_SPLIT(dev_priv))
intel_display_resume(dev);
dev_priv->modeset_restore = MODESET_DONE;
exit:
mutex_unlock(&dev_priv->modeset_restore_lock);
return NOTIFY_OK;
}
static int
intel_lvds_connector_register(struct drm_connector *connector)
{
struct intel_lvds_connector *lvds = to_lvds_connector(connector);
int ret;
ret = intel_connector_register(connector);
if (ret)
return ret;
lvds->lid_notifier.notifier_call = intel_lid_notify;
if (acpi_lid_notifier_register(&lvds->lid_notifier)) {
DRM_DEBUG_KMS("lid notifier registration failed\n");
lvds->lid_notifier.notifier_call = NULL;
}
return 0;
}
static void
intel_lvds_connector_unregister(struct drm_connector *connector)
{
struct intel_lvds_connector *lvds = to_lvds_connector(connector);
if (lvds->lid_notifier.notifier_call)
acpi_lid_notifier_unregister(&lvds->lid_notifier);
intel_connector_unregister(connector);
}
/**
* intel_lvds_destroy - unregister and free LVDS structures
* @connector: connector to free
@ -627,8 +497,8 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
.fill_modes = drm_helper_probe_single_connector_modes,
.atomic_get_property = intel_digital_connector_atomic_get_property,
.atomic_set_property = intel_digital_connector_atomic_set_property,
.late_register = intel_lvds_connector_register,
.early_unregister = intel_lvds_connector_unregister,
.late_register = intel_connector_register,
.early_unregister = intel_connector_unregister,
.destroy = intel_lvds_destroy,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
.atomic_duplicate_state = intel_digital_connector_duplicate_state,
@ -1091,8 +961,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
* 2) check for VBT data
* 3) check to see if LVDS is already on
* if none of the above, no panel
* 4) make sure lid is open
* if closed, act like it's not there for now
*/
/*

3
drivers/hid/hid-core.c
Unescape View File

@ -1964,6 +1964,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI) },
{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
#endif

5
drivers/hwtracing/intel_th/pci.c
Unescape View File

@ -168,6 +168,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x18e1),
.driver_data = (kernel_ulong_t)&intel_th_2x,
},
{
/* Ice Lake PCH */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x34a6),
.driver_data = (kernel_ulong_t)&intel_th_2x,
},
{ 0 },
};

54
drivers/i2c/busses/i2c-rcar.c
Unescape View File

@ -32,6 +32,7 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
#include <linux/slab.h>
/* register offsets */
@ -111,8 +112,9 @@
#define ID_ARBLOST (1 << 3)
#define ID_NACK (1 << 4)
/* persistent flags */
#define ID_P_NO_RXDMA (1 << 30) /* HW forbids RXDMA sometimes */
#define ID_P_PM_BLOCKED (1 << 31)
#define ID_P_MASK ID_P_PM_BLOCKED
#define ID_P_MASK (ID_P_PM_BLOCKED | ID_P_NO_RXDMA)
enum rcar_i2c_type {
I2C_RCAR_GEN1,
@ -140,6 +142,8 @@ struct rcar_i2c_priv {
struct dma_chan *dma_rx;
struct scatterlist sg;
enum dma_data_direction dma_direction;
struct reset_control *rstc;
};
#define rcar_i2c_priv_to_dev(p) ((p)->adap.dev.parent)
@ -321,6 +325,11 @@ static void rcar_i2c_dma_unmap(struct rcar_i2c_priv *priv)
dma_unmap_single(chan->device->dev, sg_dma_address(&priv->sg),
sg_dma_len(&priv->sg), priv->dma_direction);
/* Gen3 can only do one RXDMA per transfer and we just completed it */
if (priv->devtype == I2C_RCAR_GEN3 &&
priv->dma_direction == DMA_FROM_DEVICE)
priv->flags |= ID_P_NO_RXDMA;
priv->dma_direction = DMA_NONE;
}
@ -358,8 +367,9 @@ static void rcar_i2c_dma(struct rcar_i2c_priv *priv)
unsigned char *buf;
int len;
/* Do not use DMA if it's not available or for messages < 8 bytes */
if (IS_ERR(chan) || msg->len < 8)
/* Do various checks to see if DMA is feasible at all */
if (IS_ERR(chan) || msg->len < 8 ||
(read && priv->flags & ID_P_NO_RXDMA))
return;
if (read) {
@ -688,6 +698,25 @@ static void rcar_i2c_release_dma(struct rcar_i2c_priv *priv)
}
}
/* I2C is a special case, we need to poll the status of a reset */
static int rcar_i2c_do_reset(struct rcar_i2c_priv *priv)
{
int i, ret;
ret = reset_control_reset(priv->rstc);
if (ret)
return ret;
for (i = 0; i < LOOP_TIMEOUT; i++) {
ret = reset_control_status(priv->rstc);
if (ret == 0)
return 0;
udelay(1);
}
return -ETIMEDOUT;
}
static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
struct i2c_msg *msgs,
int num)
@ -699,6 +728,16 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
pm_runtime_get_sync(dev);
/* Gen3 needs a reset before allowing RXDMA once */
if (priv->devtype == I2C_RCAR_GEN3) {
priv->flags |= ID_P_NO_RXDMA;
if (!IS_ERR(priv->rstc)) {
ret = rcar_i2c_do_reset(priv);
if (ret == 0)
priv->flags &= ~ID_P_NO_RXDMA;
}
}
rcar_i2c_init(priv);
ret = rcar_i2c_bus_barrier(priv);
@ -868,6 +907,15 @@ static int rcar_i2c_probe(struct platform_device *pdev)
if (ret < 0)
goto out_pm_put;
if (priv->devtype == I2C_RCAR_GEN3) {
priv->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
if (!IS_ERR(priv->rstc)) {
ret = reset_control_status(priv->rstc);
if (ret < 0)
priv->rstc = ERR_PTR(-ENOTSUPP);
}
}
/* Stay always active when multi-master to keep arbitration working */
if (of_property_read_bool(dev->of_node, "multi-master"))
priv->flags |= ID_P_PM_BLOCKED;

7
drivers/infiniband/hw/hfi1/chip.c
Unescape View File

@ -6722,6 +6722,7 @@ void start_freeze_handling(struct hfi1_pportdata *ppd, int flags)
struct hfi1_devdata *dd = ppd->dd;
struct send_context *sc;
int i;
int sc_flags;
if (flags & FREEZE_SELF)
write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_FREEZE_SMASK);
@ -6732,11 +6733,13 @@ void start_freeze_handling(struct hfi1_pportdata *ppd, int flags)
/* notify all SDMA engines that they are going into a freeze */
sdma_freeze_notify(dd, !!(flags & FREEZE_LINK_DOWN));
sc_flags = SCF_FROZEN | SCF_HALTED | (flags & FREEZE_LINK_DOWN ?
SCF_LINK_DOWN : 0);
/* do halt pre-handling on all enabled send contexts */
for (i = 0; i < dd->num_send_contexts; i++) {
sc = dd->send_contexts[i].sc;
if (sc && (sc->flags & SCF_ENABLED))
sc_stop(sc, SCF_FROZEN | SCF_HALTED);
sc_stop(sc, sc_flags);
}
/* Send context are frozen. Notify user space */
@ -10646,6 +10649,8 @@ int set_link_state(struct hfi1_pportdata *ppd, u32 state)
add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
handle_linkup_change(dd, 1);
pio_kernel_linkup(dd);
ppd->host_link_state = HLS_UP_INIT;
break;
case HLS_UP_ARMED:

42
drivers/infiniband/hw/hfi1/pio.c
Unescape View File

@ -942,20 +942,18 @@ void sc_free(struct send_context *sc)
void sc_disable(struct send_context *sc)
{
u64 reg;
unsigned long flags;
struct pio_buf *pbuf;
if (!sc)
return;
/* do all steps, even if already disabled */
spin_lock_irqsave(&sc->alloc_lock, flags);
spin_lock_irq(&sc->alloc_lock);
reg = read_kctxt_csr(sc->dd, sc->hw_context, SC(CTRL));
reg &= ~SC(CTRL_CTXT_ENABLE_SMASK);
sc->flags &= ~SCF_ENABLED;
sc_wait_for_packet_egress(sc, 1);
write_kctxt_csr(sc->dd, sc->hw_context, SC(CTRL), reg);
spin_unlock_irqrestore(&sc->alloc_lock, flags);
/*
* Flush any waiters. Once the context is disabled,
@ -965,7 +963,7 @@ void sc_disable(struct send_context *sc)
* proceed with the flush.
*/
udelay(1);
spin_lock_irqsave(&sc->release_lock, flags);
spin_lock(&sc->release_lock);
if (sc->sr) { /* this context has a shadow ring */
while (sc->sr_tail != sc->sr_head) {
pbuf = &sc->sr[sc->sr_tail].pbuf;
@ -976,7 +974,8 @@ void sc_disable(struct send_context *sc)
sc->sr_tail = 0;
}
}
spin_unlock_irqrestore(&sc->release_lock, flags);
spin_unlock(&sc->release_lock);
spin_unlock_irq(&sc->alloc_lock);
}
/* return SendEgressCtxtStatus.PacketOccupancy */
@ -1199,11 +1198,39 @@ void pio_kernel_unfreeze(struct hfi1_devdata *dd)
sc = dd->send_contexts[i].sc;
if (!sc || !(sc->flags & SCF_FROZEN) || sc->type == SC_USER)
continue;
if (sc->flags & SCF_LINK_DOWN)
continue;
sc_enable(sc); /* will clear the sc frozen flag */
}
}
/**
* pio_kernel_linkup() - Re-enable send contexts after linkup event
* @dd: valid devive data
*
* When the link goes down, the freeze path is taken. However, a link down
* event is different from a freeze because if the send context is re-enabled
* whowever is sending data will start sending data again, which will hang
* any QP that is sending data.
*
* The freeze path now looks at the type of event that occurs and takes this
* path for link down event.
*/
void pio_kernel_linkup(struct hfi1_devdata *dd)
{
struct send_context *sc;
int i;
for (i = 0; i < dd->num_send_contexts; i++) {
sc = dd->send_contexts[i].sc;
if (!sc || !(sc->flags & SCF_LINK_DOWN) || sc->type == SC_USER)
continue;
sc_enable(sc); /* will clear the sc link down flag */
}
}
/*
* Wait for the SendPioInitCtxt.PioInitInProgress bit to clear.
* Returns:
@ -1403,11 +1430,10 @@ void sc_stop(struct send_context *sc, int flag)
{
unsigned long flags;
/* mark the context */
sc->flags |= flag;
/* stop buffer allocations */
spin_lock_irqsave(&sc->alloc_lock, flags);
/* mark the context */
sc->flags |= flag;
sc->flags &= ~SCF_ENABLED;
spin_unlock_irqrestore(&sc->alloc_lock, flags);
wake_up(&sc->halt_wait);

2
drivers/infiniband/hw/hfi1/pio.h
Unescape View File

@ -145,6 +145,7 @@ struct send_context {
#define SCF_IN_FREE 0x02
#define SCF_HALTED 0x04
#define SCF_FROZEN 0x08
#define SCF_LINK_DOWN 0x10
struct send_context_info {
struct send_context *sc; /* allocated working context */
@ -312,6 +313,7 @@ void set_pio_integrity(struct send_context *sc);
void pio_reset_all(struct hfi1_devdata *dd);
void pio_freeze(struct hfi1_devdata *dd);
void pio_kernel_unfreeze(struct hfi1_devdata *dd);
void pio_kernel_linkup(struct hfi1_devdata *dd);
/* global PIO send control operations */
#define PSC_GLOBAL_ENABLE 0

74
drivers/input/keyboard/atakbd.c
Unescape View File

@ -79,8 +79,7 @@ MODULE_LICENSE("GPL");
*/
static unsigned char atakbd_keycode[0x72] = { /* American layout */
[0] = KEY_GRAVE,
static unsigned char atakbd_keycode[0x73] = { /* American layout */
[1] = KEY_ESC,
[2] = KEY_1,
[3] = KEY_2,
@ -121,9 +120,9 @@ static unsigned char atakbd_keycode[0x72] = { /* American layout */
[38] = KEY_L,
[39] = KEY_SEMICOLON,
[40] = KEY_APOSTROPHE,
[41] = KEY_BACKSLASH, /* FIXME, '#' */
[41] = KEY_GRAVE,
[42] = KEY_LEFTSHIFT,
[43] = KEY_GRAVE, /* FIXME: '~' */
[43] = KEY_BACKSLASH,
[44] = KEY_Z,
[45] = KEY_X,
[46] = KEY_C,
@ -149,45 +148,34 @@ static unsigned char atakbd_keycode[0x72] = { /* American layout */
[66] = KEY_F8,
[67] = KEY_F9,
[68] = KEY_F10,
[69] = KEY_ESC,
[70] = KEY_DELETE,
[71] = KEY_KP7,
[72] = KEY_KP8,
[73] = KEY_KP9,
[71] = KEY_HOME,
[72] = KEY_UP,
[74] = KEY_KPMINUS,
[75] = KEY_KP4,
[76] = KEY_KP5,
[77] = KEY_KP6,
[75] = KEY_LEFT,
[77] = KEY_RIGHT,
[78] = KEY_KPPLUS,
[79] = KEY_KP1,
[80] = KEY_KP2,
[81] = KEY_KP3,
[82] = KEY_KP0,
[83] = KEY_KPDOT,
[90] = KEY_KPLEFTPAREN,
[91] = KEY_KPRIGHTPAREN,
[92] = KEY_KPASTERISK, /* FIXME */
[93] = KEY_KPASTERISK,
[94] = KEY_KPPLUS,
[95] = KEY_HELP,
[80] = KEY_DOWN,
[82] = KEY_INSERT,
[83] = KEY_DELETE,
[96] = KEY_102ND,
[97] = KEY_KPASTERISK, /* FIXME */
[98] = KEY_KPSLASH,
[97] = KEY_UNDO,
[98] = KEY_HELP,
[99] = KEY_KPLEFTPAREN,
[100] = KEY_KPRIGHTPAREN,
[101] = KEY_KPSLASH,
[102] = KEY_KPASTERISK,
[103] = KEY_UP,
[104] = KEY_KPASTERISK, /* FIXME */
[105] = KEY_LEFT,
[106] = KEY_RIGHT,
[107] = KEY_KPASTERISK, /* FIXME */
[108] = KEY_DOWN,
[109] = KEY_KPASTERISK, /* FIXME */
[110] = KEY_KPASTERISK, /* FIXME */
[111] = KEY_KPASTERISK, /* FIXME */
[112] = KEY_KPASTERISK, /* FIXME */
[113] = KEY_KPASTERISK /* FIXME */
[103] = KEY_KP7,
[104] = KEY_KP8,
[105] = KEY_KP9,
[106] = KEY_KP4,
[107] = KEY_KP5,
[108] = KEY_KP6,
[109] = KEY_KP1,
[110] = KEY_KP2,
[111] = KEY_KP3,
[112] = KEY_KP0,
[113] = KEY_KPDOT,
[114] = KEY_KPENTER,
};
static struct input_dev *atakbd_dev;
@ -195,21 +183,15 @@ static struct input_dev *atakbd_dev;
static void atakbd_interrupt(unsigned char scancode, char down)
{
if (scancode < 0x72) { /* scancodes < 0xf2 are keys */
if (scancode < 0x73) { /* scancodes < 0xf3 are keys */
// report raw events here?
scancode = atakbd_keycode[scancode];
if (scancode == KEY_CAPSLOCK) { /* CapsLock is a toggle switch key on Amiga */
input_report_key(atakbd_dev, scancode, 1);
input_report_key(atakbd_dev, scancode, 0);
input_sync(atakbd_dev);
} else {
input_report_key(atakbd_dev, scancode, down);
input_sync(atakbd_dev);
}
} else /* scancodes >= 0xf2 are mouse data, most likely */
input_report_key(atakbd_dev, scancode, down);
input_sync(atakbd_dev);
} else /* scancodes >= 0xf3 are mouse data, most likely */
printk(KERN_INFO "atakbd: unhandled scancode %x\n", scancode);
return;

6
drivers/iommu/amd_iommu.c
Unescape View File

@ -253,7 +253,13 @@ static u16 get_alias(struct device *dev)
/* The callers make sure that get_device_id() does not fail here */
devid = get_device_id(dev);
/* For ACPI HID devices, we simply return the devid as such */
if (!dev_is_pci(dev))
return devid;
ivrs_alias = amd_iommu_alias_table[devid];
pci_for_each_dma_alias(pdev, __last_alias, &pci_alias);
if (ivrs_alias == pci_alias)

6
drivers/media/usb/dvb-usb-v2/af9035.c
Unescape View File

@ -402,8 +402,10 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
if (msg[0].addr == state->af9033_i2c_addr[1])
reg |= 0x100000;
ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
msg[0].len - 3);
ret = (msg[0].len >= 3) ? af9035_wr_regs(d, reg,
&msg[0].buf[3],
msg[0].len - 3)
: -EOPNOTSUPP;
} else {
/* I2C write */
u8 buf[MAX_XFER_SIZE];

15
drivers/net/ethernet/ibm/emac/core.c
Unescape View File

@ -2671,12 +2671,17 @@ static int emac_init_phy(struct emac_instance *dev)
if (of_phy_is_fixed_link(np)) {
int res = emac_dt_mdio_probe(dev);
if (!res) {
res = of_phy_register_fixed_link(np);
if (res)
mdiobus_unregister(dev->mii_bus);
if (res)
return res;
res = of_phy_register_fixed_link(np);
dev->phy_dev = of_phy_find_device(np);
if (res || !dev->phy_dev) {
mdiobus_unregister(dev->mii_bus);
return res ? res : -EINVAL;
}
return res;
emac_adjust_link(dev->ndev);
put_device(&dev->phy_dev->mdio.dev);
}
return 0;
}

3
drivers/net/ethernet/mellanox/mlx4/eq.c
Unescape View File

@ -240,7 +240,8 @@ static void mlx4_set_eq_affinity_hint(struct mlx4_priv *priv, int vec)
struct mlx4_dev *dev = &priv->dev;
struct mlx4_eq *eq = &priv->eq_table.eq[vec];
if (!eq->affinity_mask || cpumask_empty(eq->affinity_mask))
if (!cpumask_available(eq->affinity_mask) ||
cpumask_empty(eq->affinity_mask))
return;
hint_err = irq_set_affinity_hint(eq->irq, eq->affinity_mask);

5
drivers/net/ethernet/renesas/ravb.h
Unescape View File

@ -431,6 +431,7 @@ enum EIS_BIT {
EIS_CULF1 = 0x00000080,
EIS_TFFF = 0x00000100,
EIS_QFS = 0x00010000,
EIS_RESERVED = (GENMASK(31, 17) | GENMASK(15, 11)),
};
/* RIC0 */
@ -475,6 +476,7 @@ enum RIS0_BIT {
RIS0_FRF15 = 0x00008000,
RIS0_FRF16 = 0x00010000,
RIS0_FRF17 = 0x00020000,
RIS0_RESERVED = GENMASK(31, 18),
};
/* RIC1 */
@ -531,6 +533,7 @@ enum RIS2_BIT {
RIS2_QFF16 = 0x00010000,
RIS2_QFF17 = 0x00020000,
RIS2_RFFF = 0x80000000,
RIS2_RESERVED = GENMASK(30, 18),
};
/* TIC */
@ -547,6 +550,7 @@ enum TIS_BIT {
TIS_FTF1 = 0x00000002, /* Undocumented? */
TIS_TFUF = 0x00000100,
TIS_TFWF = 0x00000200,
TIS_RESERVED = (GENMASK(31, 20) | GENMASK(15, 12) | GENMASK(7, 4))
};
/* ISS */
@ -620,6 +624,7 @@ enum GIC_BIT {
enum GIS_BIT {
GIS_PTCF = 0x00000001, /* Undocumented? */
GIS_PTMF = 0x00000004,
GIS_RESERVED = GENMASK(15, 10),
};
/* GIE (R-Car Gen3 only) */

11
drivers/net/ethernet/renesas/ravb_main.c
Unescape View File

@ -721,10 +721,11 @@ static void ravb_error_interrupt(struct net_device *ndev)
u32 eis, ris2;
eis = ravb_read(ndev, EIS);
ravb_write(ndev, ~EIS_QFS, EIS);
ravb_write(ndev, ~(EIS_QFS | EIS_RESERVED), EIS);
if (eis & EIS_QFS) {
ris2 = ravb_read(ndev, RIS2);
ravb_write(ndev, ~(RIS2_QFF0 | RIS2_RFFF), RIS2);
ravb_write(ndev, ~(RIS2_QFF0 | RIS2_RFFF | RIS2_RESERVED),
RIS2);
/* Receive Descriptor Empty int */
if (ris2 & RIS2_QFF0)
@ -777,7 +778,7 @@ static bool ravb_timestamp_interrupt(struct net_device *ndev)
u32 tis = ravb_read(ndev, TIS);
if (tis & TIS_TFUF) {
ravb_write(ndev, ~TIS_TFUF, TIS);
ravb_write(ndev, ~(TIS_TFUF | TIS_RESERVED), TIS);
ravb_get_tx_tstamp(ndev);
return true;
}
@ -912,7 +913,7 @@ static int ravb_poll(struct napi_struct *napi, int budget)
/* Processing RX Descriptor Ring */
if (ris0 & mask) {
/* Clear RX interrupt */
ravb_write(ndev, ~mask, RIS0);
ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
if (ravb_rx(ndev, &quota, q))
goto out;
}
@ -920,7 +921,7 @@ static int ravb_poll(struct napi_struct *napi, int budget)
if (tis & mask) {
spin_lock_irqsave(&priv->lock, flags);
/* Clear TX interrupt */
ravb_write(ndev, ~mask, TIS);
ravb_write(ndev, ~(mask | TIS_RESERVED), TIS);
ravb_tx_free(ndev, q, true);
netif_wake_subqueue(ndev, q);
mmiowb();

2
drivers/net/ethernet/renesas/ravb_ptp.c
Unescape View File

@ -319,7 +319,7 @@ void ravb_ptp_interrupt(struct net_device *ndev)
}
}
ravb_write(ndev, ~gis, GIS);
ravb_write(ndev, ~(gis | GIS_RESERVED), GIS);
}
void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev)

8
drivers/pci/dwc/pcie-designware.c
Unescape View File

@ -138,7 +138,7 @@ static void dw_pcie_prog_outbound_atu_unroll(struct dw_pcie *pci, int index,
if (val & PCIE_ATU_ENABLE)
return;
usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX);
mdelay(LINK_WAIT_IATU);
}
dev_err(pci->dev, "outbound iATU is not being enabled\n");
}
@ -181,7 +181,7 @@ void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index, int type,
if (val & PCIE_ATU_ENABLE)
return;
usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX);
mdelay(LINK_WAIT_IATU);
}
dev_err(pci->dev, "outbound iATU is not being enabled\n");
}
@ -239,7 +239,7 @@ static int dw_pcie_prog_inbound_atu_unroll(struct dw_pcie *pci, int index,
if (val & PCIE_ATU_ENABLE)
return 0;
usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX);
mdelay(LINK_WAIT_IATU);
}
dev_err(pci->dev, "inbound iATU is not being enabled\n");
@ -285,7 +285,7 @@ int dw_pcie_prog_inbound_atu(struct dw_pcie *pci, int index, int bar,
if (val & PCIE_ATU_ENABLE)
return 0;
usleep_range(LINK_WAIT_IATU_MIN, LINK_WAIT_IATU_MAX);
mdelay(LINK_WAIT_IATU);
}
dev_err(pci->dev, "inbound iATU is not being enabled\n");

3
drivers/pci/dwc/pcie-designware.h
Unescape View File

@ -28,8 +28,7 @@
/* Parameters for the waiting for iATU enabled routine */
#define LINK_WAIT_MAX_IATU_RETRIES 5
#define LINK_WAIT_IATU_MIN 9000
#define LINK_WAIT_IATU_MAX 10000
#define LINK_WAIT_IATU 9
/* Synopsys-specific PCIe configuration registers */
#define PCIE_PORT_LINK_CONTROL 0x710

5
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
Unescape View File

@ -3465,11 +3465,10 @@ static int ibmvscsis_probe(struct vio_dev *vdev,
vscsi->dds.window[LOCAL].liobn,
vscsi->dds.window[REMOTE].liobn);
strcpy(vscsi->eye, "VSCSI ");
strncat(vscsi->eye, vdev->name, MAX_EYE);
snprintf(vscsi->eye, sizeof(vscsi->eye), "VSCSI %s", vdev->name);
vscsi->dds.unit_id = vdev->unit_address;
strncpy(vscsi->dds.partition_name, partition_name,
strscpy(vscsi->dds.partition_name, partition_name,
sizeof(vscsi->dds.partition_name));
vscsi->dds.partition_num = partition_number;

106
drivers/scsi/ipr.c
Unescape View File

@ -3308,6 +3308,65 @@ static void ipr_release_dump(struct kref *kref)
LEAVE;
}
static void ipr_add_remove_thread(struct work_struct *work)
{
unsigned long lock_flags;
struct ipr_resource_entry *res;
struct scsi_device *sdev;
struct ipr_ioa_cfg *ioa_cfg =
container_of(work, struct ipr_ioa_cfg, scsi_add_work_q);
u8 bus, target, lun;
int did_work;
ENTER;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
restart:
do {
did_work = 0;
if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) {
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return;
}
list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
if (res->del_from_ml && res->sdev) {
did_work = 1;
sdev = res->sdev;
if (!scsi_device_get(sdev)) {
if (!res->add_to_ml)
list_move_tail(&res->queue, &ioa_cfg->free_res_q);
else
res->del_from_ml = 0;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_remove_device(sdev);
scsi_device_put(sdev);
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
}
break;
}
}
} while (did_work);
list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
if (res->add_to_ml) {
bus = res->bus;
target = res->target;
lun = res->lun;
res->add_to_ml = 0;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_add_device(ioa_cfg->host, bus, target, lun);
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
goto restart;
}
}
ioa_cfg->scan_done = 1;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE);
LEAVE;
}
/**
* ipr_worker_thread - Worker thread
* @work: ioa config struct
@ -3322,13 +3381,9 @@ static void ipr_release_dump(struct kref *kref)
static void ipr_worker_thread(struct work_struct *work)
{
unsigned long lock_flags;
struct ipr_resource_entry *res;
struct scsi_device *sdev;
struct ipr_dump *dump;
struct ipr_ioa_cfg *ioa_cfg =
container_of(work, struct ipr_ioa_cfg, work_q);
u8 bus, target, lun;
int did_work;
ENTER;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
@ -3366,49 +3421,9 @@ static void ipr_worker_thread(struct work_struct *work)
return;
}
restart:
do {
did_work = 0;
if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].allow_cmds) {
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
return;
}
schedule_work(&ioa_cfg->scsi_add_work_q);
list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
if (res->del_from_ml && res->sdev) {
did_work = 1;
sdev = res->sdev;
if (!scsi_device_get(sdev)) {
if (!res->add_to_ml)
list_move_tail(&res->queue, &ioa_cfg->free_res_q);
else
res->del_from_ml = 0;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_remove_device(sdev);
scsi_device_put(sdev);
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
}
break;
}
}
} while (did_work);
list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
if (res->add_to_ml) {
bus = res->bus;
target = res->target;
lun = res->lun;
res->add_to_ml = 0;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_add_device(ioa_cfg->host, bus, target, lun);
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
goto restart;
}
}
ioa_cfg->scan_done = 1;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
kobject_uevent(&ioa_cfg->host->shost_dev.kobj, KOBJ_CHANGE);
LEAVE;
}
@ -9937,6 +9952,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
INIT_LIST_HEAD(&ioa_cfg->free_res_q);
INIT_LIST_HEAD(&ioa_cfg->used_res_q);
INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread);
INIT_WORK(&ioa_cfg->scsi_add_work_q, ipr_add_remove_thread);
init_waitqueue_head(&ioa_cfg->reset_wait_q);
init_waitqueue_head(&ioa_cfg->msi_wait_q);
init_waitqueue_head(&ioa_cfg->eeh_wait_q);

1
drivers/scsi/ipr.h
Unescape View File

@ -1568,6 +1568,7 @@ struct ipr_ioa_cfg {
u8 saved_mode_page_len;
struct work_struct work_q;
struct work_struct scsi_add_work_q;
struct workqueue_struct *reset_work_q;
wait_queue_head_t reset_wait_q;

3
drivers/scsi/sd.c
Unescape View File

@ -1285,7 +1285,8 @@ static int sd_init_command(struct scsi_cmnd *cmd)
case REQ_OP_ZONE_RESET:
return sd_zbc_setup_reset_cmnd(cmd);
default:
BUG();
WARN_ON_ONCE(1);
return BLKPREP_KILL;
}
}

3
drivers/staging/ccree/ssi_buffer_mgr.c
Unescape View File

@ -492,7 +492,8 @@ void ssi_buffer_mgr_unmap_blkcipher_request(
DMA_TO_DEVICE);
}
/* Release pool */
if (req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI) {
if (req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI &&
req_ctx->mlli_params.mlli_virt_addr) {
dma_pool_free(req_ctx->mlli_params.curr_pool,
req_ctx->mlli_params.mlli_virt_addr,
req_ctx->mlli_params.mlli_dma_addr);

7
fs/namespace.c
Unescape View File

@ -447,10 +447,10 @@ int mnt_want_write_file_path(struct file *file)
{
int ret;
sb_start_write(file_inode(file)->i_sb);
sb_start_write(file->f_path.mnt->mnt_sb);
ret = __mnt_want_write_file(file);
if (ret)
sb_end_write(file_inode(file)->i_sb);
sb_end_write(file->f_path.mnt->mnt_sb);
return ret;
}
@ -541,8 +541,7 @@ void __mnt_drop_write_file(struct file *file)
void mnt_drop_write_file_path(struct file *file)
{
__mnt_drop_write_file(file);
sb_end_write(file_inode(file)->i_sb);
mnt_drop_write(file->f_path.mnt);
}
void mnt_drop_write_file(struct file *file)

2
include/linux/huge_mm.h
Unescape View File

@ -42,7 +42,7 @@ extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
unsigned char *vec);
extern bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
unsigned long new_addr, unsigned long old_end,
pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush);
pmd_t *old_pmd, pmd_t *new_pmd);
extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
unsigned long addr, pgprot_t newprot,
int prot_numa);

18
kernel/memremap.c
Unescape View File

@ -355,10 +355,27 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
struct dev_pagemap *pgmap;
struct page_map *page_map;
int error, nid, is_ram, i = 0;
struct dev_pagemap *conflict_pgmap;
align_start = res->start & ~(SECTION_SIZE - 1);
align_size = ALIGN(res->start + resource_size(res), SECTION_SIZE)
- align_start;
align_end = align_start + align_size - 1;
conflict_pgmap = get_dev_pagemap(PHYS_PFN(align_start), NULL);
if (conflict_pgmap) {
dev_WARN(dev, "Conflicting mapping in same section\n");
put_dev_pagemap(conflict_pgmap);
return ERR_PTR(-ENOMEM);
}
conflict_pgmap = get_dev_pagemap(PHYS_PFN(align_end), NULL);
if (conflict_pgmap) {
dev_WARN(dev, "Conflicting mapping in same section\n");
put_dev_pagemap(conflict_pgmap);
return ERR_PTR(-ENOMEM);
}
is_ram = region_intersects(align_start, align_size,
IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE);
@ -396,7 +413,6 @@ void *devm_memremap_pages(struct device *dev, struct resource *res,
mutex_lock(&pgmap_lock);
error = 0;
align_end = align_start + align_size - 1;
foreach_order_pgoff(res, order, pgoff) {
struct dev_pagemap *dup;

10
mm/huge_memory.c
Unescape View File

@ -1765,7 +1765,7 @@ static pmd_t move_soft_dirty_pmd(pmd_t pmd)
bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
unsigned long new_addr, unsigned long old_end,
pmd_t *old_pmd, pmd_t *new_pmd, bool *need_flush)
pmd_t *old_pmd, pmd_t *new_pmd)
{
spinlock_t *old_ptl, *new_ptl;
pmd_t pmd;
@ -1796,7 +1796,7 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd);
if (pmd_present(pmd) && pmd_dirty(pmd))
if (pmd_present(pmd))
force_flush = true;
VM_BUG_ON(!pmd_none(*new_pmd));
@ -1807,12 +1807,10 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr,
}
pmd = move_soft_dirty_pmd(pmd);
set_pmd_at(mm, new_addr, new_pmd, pmd);
if (new_ptl != old_ptl)
spin_unlock(new_ptl);
if (force_flush)
flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE);
else
*need_flush = true;
if (new_ptl != old_ptl)
spin_unlock(new_ptl);
spin_unlock(old_ptl);
return true;
}

30
mm/mremap.c
Unescape View File

@ -115,7 +115,7 @@ static pte_t move_soft_dirty_pte(pte_t pte)
static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
unsigned long old_addr, unsigned long old_end,
struct vm_area_struct *new_vma, pmd_t *new_pmd,
unsigned long new_addr, bool need_rmap_locks, bool *need_flush)
unsigned long new_addr, bool need_rmap_locks)
{
struct mm_struct *mm = vma->vm_mm;
pte_t *old_pte, *new_pte, pte;
@ -163,15 +163,17 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
pte = ptep_get_and_clear(mm, old_addr, old_pte);
/*
* If we are remapping a dirty PTE, make sure
* If we are remapping a valid PTE, make sure
* to flush TLB before we drop the PTL for the
* old PTE or we may race with page_mkclean().
* PTE.
*
* This check has to be done after we removed the
* old PTE from page tables or another thread may
* dirty it after the check and before the removal.
* NOTE! Both old and new PTL matter: the old one
* for racing with page_mkclean(), the new one to
* make sure the physical page stays valid until
* the TLB entry for the old mapping has been
* flushed.
*/
if (pte_present(pte) && pte_dirty(pte))
if (pte_present(pte))
force_flush = true;
pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr);
pte = move_soft_dirty_pte(pte);
@ -179,13 +181,11 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
}
arch_leave_lazy_mmu_mode();
if (force_flush)
flush_tlb_range(vma, old_end - len, old_end);
if (new_ptl != old_ptl)
spin_unlock(new_ptl);
pte_unmap(new_pte - 1);
if (force_flush)
flush_tlb_range(vma, old_end - len, old_end);
else
*need_flush = true;
pte_unmap_unlock(old_pte - 1, old_ptl);
if (need_rmap_locks)
drop_rmap_locks(vma);
@ -200,7 +200,6 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
{
unsigned long extent, next, old_end;
pmd_t *old_pmd, *new_pmd;
bool need_flush = false;
unsigned long mmun_start; /* For mmu_notifiers */
unsigned long mmun_end; /* For mmu_notifiers */
@ -231,8 +230,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
if (need_rmap_locks)
take_rmap_locks(vma);
moved = move_huge_pmd(vma, old_addr, new_addr,
old_end, old_pmd, new_pmd,
&need_flush);
old_end, old_pmd, new_pmd);
if (need_rmap_locks)
drop_rmap_locks(vma);
if (moved)
@ -250,10 +248,8 @@ unsigned long move_page_tables(struct vm_area_struct *vma,
if (extent > LATENCY_LIMIT)
extent = LATENCY_LIMIT;
move_ptes(vma, old_pmd, old_addr, old_addr + extent, new_vma,
new_pmd, new_addr, need_rmap_locks, &need_flush);
new_pmd, new_addr, need_rmap_locks);
}
if (need_flush)
flush_tlb_range(vma, old_end-len, old_addr);
mmu_notifier_invalidate_range_end(vma->vm_mm, mmun_start, mmun_end);

10
net/batman-adv/bat_v_elp.c
Unescape View File

@ -227,7 +227,7 @@ batadv_v_elp_wifi_neigh_probe(struct batadv_hardif_neigh_node *neigh)
* the packet to be exactly of that size to make the link
* throughput estimation effective.
*/
skb_put(skb, probe_len - hard_iface->bat_v.elp_skb->len);
skb_put_zero(skb, probe_len - hard_iface->bat_v.elp_skb->len);
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Sending unicast (probe) ELP packet on interface %s to %pM\n",
@ -254,6 +254,7 @@ static void batadv_v_elp_periodic_work(struct work_struct *work)
struct batadv_priv *bat_priv;
struct sk_buff *skb;
u32 elp_interval;
bool ret;
bat_v = container_of(work, struct batadv_hard_iface_bat_v, elp_wq.work);
hard_iface = container_of(bat_v, struct batadv_hard_iface, bat_v);
@ -315,8 +316,11 @@ static void batadv_v_elp_periodic_work(struct work_struct *work)
* may sleep and that is not allowed in an rcu protected
* context. Therefore schedule a task for that.
*/
queue_work(batadv_event_workqueue,
&hardif_neigh->bat_v.metric_work);
ret = queue_work(batadv_event_workqueue,
&hardif_neigh->bat_v.metric_work);
if (!ret)
batadv_hardif_neigh_put(hardif_neigh);
}
rcu_read_unlock();

10
net/batman-adv/bridge_loop_avoidance.c
Unescape View File

@ -1772,6 +1772,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,
{
struct batadv_bla_backbone_gw *backbone_gw;
struct ethhdr *ethhdr;
bool ret;
ethhdr = eth_hdr(skb);
@ -1795,8 +1796,13 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,
if (unlikely(!backbone_gw))
return true;
queue_work(batadv_event_workqueue, &backbone_gw->report_work);
/* backbone_gw is unreferenced in the report work function function */
ret = queue_work(batadv_event_workqueue, &backbone_gw->report_work);
/* backbone_gw is unreferenced in the report work function function
* if queue_work() call was successful
*/
if (!ret)
batadv_backbone_gw_put(backbone_gw);
return true;
}

11
net/batman-adv/gateway_client.c
Unescape View File

@ -31,6 +31,7 @@
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
@ -325,6 +326,9 @@ out:
* @bat_priv: the bat priv with all the soft interface information
* @orig_node: originator announcing gateway capabilities
* @gateway: announced bandwidth information
*
* Has to be called with the appropriate locks being acquired
* (gw.list_lock).
*/
static void batadv_gw_node_add(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
@ -332,6 +336,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
{
struct batadv_gw_node *gw_node;
lockdep_assert_held(&bat_priv->gw.list_lock);
if (gateway->bandwidth_down == 0)
return;
@ -346,10 +352,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
gw_node->bandwidth_down = ntohl(gateway->bandwidth_down);
gw_node->bandwidth_up = ntohl(gateway->bandwidth_up);
spin_lock_bh(&bat_priv->gw.list_lock);
kref_get(&gw_node->refcount);
hlist_add_head_rcu(&gw_node->list, &bat_priv->gw.gateway_list);
spin_unlock_bh(&bat_priv->gw.list_lock);
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"Found new gateway %pM -> gw bandwidth: %u.%u/%u.%u MBit\n",
@ -405,11 +409,14 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
{
struct batadv_gw_node *gw_node, *curr_gw = NULL;
spin_lock_bh(&bat_priv->gw.list_lock);
gw_node = batadv_gw_node_get(bat_priv, orig_node);
if (!gw_node) {
batadv_gw_node_add(bat_priv, orig_node, gateway);
spin_unlock_bh(&bat_priv->gw.list_lock);
goto out;
}
spin_unlock_bh(&bat_priv->gw.list_lock);
if ((gw_node->bandwidth_down == ntohl(gateway->bandwidth_down)) &&
(gw_node->bandwidth_up == ntohl(gateway->bandwidth_up)))

27
net/batman-adv/network-coding.c
Unescape View File

@ -850,16 +850,27 @@ batadv_nc_get_nc_node(struct batadv_priv *bat_priv,
spinlock_t *lock; /* Used to lock list selected by "int in_coding" */
struct list_head *list;
/* Select ingoing or outgoing coding node */
if (in_coding) {
lock = &orig_neigh_node->in_coding_list_lock;
list = &orig_neigh_node->in_coding_list;
} else {
lock = &orig_neigh_node->out_coding_list_lock;
list = &orig_neigh_node->out_coding_list;
}
spin_lock_bh(lock);
/* Check if nc_node is already added */
nc_node = batadv_nc_find_nc_node(orig_node, orig_neigh_node, in_coding);
/* Node found */
if (nc_node)
return nc_node;
goto unlock;
nc_node = kzalloc(sizeof(*nc_node), GFP_ATOMIC);
if (!nc_node)
return NULL;
goto unlock;
/* Initialize nc_node */
INIT_LIST_HEAD(&nc_node->list);
@ -868,22 +879,14 @@ batadv_nc_get_nc_node(struct batadv_priv *bat_priv,
kref_get(&orig_neigh_node->refcount);
nc_node->orig_node = orig_neigh_node;
/* Select ingoing or outgoing coding node */
if (in_coding) {
lock = &orig_neigh_node->in_coding_list_lock;
list = &orig_neigh_node->in_coding_list;
} else {
lock = &orig_neigh_node->out_coding_list_lock;
list = &orig_neigh_node->out_coding_list;
}
batadv_dbg(BATADV_DBG_NC, bat_priv, "Adding nc_node %pM -> %pM\n",
nc_node->addr, nc_node->orig_node->orig);
/* Add nc_node to orig_node */
spin_lock_bh(lock);
kref_get(&nc_node->refcount);
list_add_tail_rcu(&nc_node->list, list);
unlock:
spin_unlock_bh(lock);
return nc_node;

25
net/batman-adv/soft-interface.c
Unescape View File

@ -566,15 +566,20 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
struct batadv_softif_vlan *vlan;
int err;
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
vlan = batadv_softif_vlan_get(bat_priv, vid);
if (vlan) {
batadv_softif_vlan_put(vlan);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
return -EEXIST;
}
vlan = kzalloc(sizeof(*vlan), GFP_ATOMIC);
if (!vlan)
if (!vlan) {
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
return -ENOMEM;
}
vlan->bat_priv = bat_priv;
vlan->vid = vid;
@ -582,17 +587,23 @@ int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid)
atomic_set(&vlan->ap_isolation, 0);
kref_get(&vlan->refcount);
hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
/* batadv_sysfs_add_vlan cannot be in the spinlock section due to the
* sleeping behavior of the sysfs functions and the fs_reclaim lock
*/
err = batadv_sysfs_add_vlan(bat_priv->soft_iface, vlan);
if (err) {
kfree(vlan);
/* ref for the function */
batadv_softif_vlan_put(vlan);
/* ref for the list */
batadv_softif_vlan_put(vlan);
return err;
}
spin_lock_bh(&bat_priv->softif_vlan_list_lock);
kref_get(&vlan->refcount);
hlist_add_head_rcu(&vlan->list, &bat_priv->softif_vlan_list);
spin_unlock_bh(&bat_priv->softif_vlan_list_lock);
/* add a new TT local entry. This one will be marked with the NOPURGE
* flag
*/

30
net/batman-adv/sysfs.c
Unescape View File

@ -186,7 +186,8 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
\
return __batadv_store_uint_attr(buff, count, _min, _max, \
_post_func, attr, \
&bat_priv->_var, net_dev); \
&bat_priv->_var, net_dev, \
NULL); \
}
#define BATADV_ATTR_SIF_SHOW_UINT(_name, _var) \
@ -260,7 +261,9 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \
\
length = __batadv_store_uint_attr(buff, count, _min, _max, \
_post_func, attr, \
&hard_iface->_var, net_dev); \
&hard_iface->_var, \
hard_iface->soft_iface, \
net_dev); \
\
batadv_hardif_put(hard_iface); \
return length; \
@ -354,10 +357,12 @@ __batadv_store_bool_attr(char *buff, size_t count,
static int batadv_store_uint_attr(const char *buff, size_t count,
struct net_device *net_dev,
struct net_device *slave_dev,
const char *attr_name,
unsigned int min, unsigned int max,
atomic_t *attr)
{
char ifname[IFNAMSIZ + 3] = "";
unsigned long uint_val;
int ret;
@ -383,8 +388,11 @@ static int batadv_store_uint_attr(const char *buff, size_t count,
if (atomic_read(attr) == uint_val)
return count;
batadv_info(net_dev, "%s: Changing from: %i to: %lu\n",
attr_name, atomic_read(attr), uint_val);
if (slave_dev)
snprintf(ifname, sizeof(ifname), "%s: ", slave_dev->name);
batadv_info(net_dev, "%s: %sChanging from: %i to: %lu\n",
attr_name, ifname, atomic_read(attr), uint_val);
atomic_set(attr, uint_val);
return count;
@ -395,12 +403,13 @@ static ssize_t __batadv_store_uint_attr(const char *buff, size_t count,
void (*post_func)(struct net_device *),
const struct attribute *attr,
atomic_t *attr_store,
struct net_device *net_dev)
struct net_device *net_dev,
struct net_device *slave_dev)
{
int ret;
ret = batadv_store_uint_attr(buff, count, net_dev, attr->name, min, max,
attr_store);
ret = batadv_store_uint_attr(buff, count, net_dev, slave_dev,
attr->name, min, max, attr_store);
if (post_func && ret)
post_func(net_dev);
@ -569,7 +578,7 @@ static ssize_t batadv_store_gw_sel_class(struct kobject *kobj,
return __batadv_store_uint_attr(buff, count, 1, BATADV_TQ_MAX_VALUE,
batadv_post_gw_reselect, attr,
&bat_priv->gw.sel_class,
bat_priv->soft_iface);
bat_priv->soft_iface, NULL);
}
static ssize_t batadv_show_gw_bwidth(struct kobject *kobj,
@ -1078,8 +1087,9 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj,
if (old_tp_override == tp_override)
goto out;
batadv_info(net_dev, "%s: Changing from: %u.%u MBit to: %u.%u MBit\n",
"throughput_override",
batadv_info(hard_iface->soft_iface,
"%s: %s: Changing from: %u.%u MBit to: %u.%u MBit\n",
"throughput_override", net_dev->name,
old_tp_override / 10, old_tp_override % 10,
tp_override / 10, tp_override % 10);

6
net/batman-adv/translation-table.c
Unescape View File

@ -1587,6 +1587,8 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
{
struct batadv_tt_orig_list_entry *orig_entry;
spin_lock_bh(&tt_global->list_lock);
orig_entry = batadv_tt_global_orig_entry_find(tt_global, orig_node);
if (orig_entry) {
/* refresh the ttvn: the current value could be a bogus one that
@ -1609,11 +1611,9 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
orig_entry->flags = flags;
kref_init(&orig_entry->refcount);
spin_lock_bh(&tt_global->list_lock);
kref_get(&orig_entry->refcount);
hlist_add_head_rcu(&orig_entry->list,
&tt_global->orig_list);
spin_unlock_bh(&tt_global->list_lock);
atomic_inc(&tt_global->orig_list_count);
sync_flags:
@ -1621,6 +1621,8 @@ sync_flags:
out:
if (orig_entry)
batadv_tt_orig_list_entry_put(orig_entry);
spin_unlock_bh(&tt_global->list_lock);
}
/**

8
net/batman-adv/tvlv.c
Unescape View File

@ -528,15 +528,20 @@ void batadv_tvlv_handler_register(struct batadv_priv *bat_priv,
{
struct batadv_tvlv_handler *tvlv_handler;
spin_lock_bh(&bat_priv->tvlv.handler_list_lock);
tvlv_handler = batadv_tvlv_handler_get(bat_priv, type, version);
if (tvlv_handler) {
spin_unlock_bh(&bat_priv->tvlv.handler_list_lock);
batadv_tvlv_handler_put(tvlv_handler);
return;
}
tvlv_handler = kzalloc(sizeof(*tvlv_handler), GFP_ATOMIC);
if (!tvlv_handler)
if (!tvlv_handler) {
spin_unlock_bh(&bat_priv->tvlv.handler_list_lock);
return;
}
tvlv_handler->ogm_handler = optr;
tvlv_handler->unicast_handler = uptr;
@ -546,7 +551,6 @@ void batadv_tvlv_handler_register(struct batadv_priv *bat_priv,
kref_init(&tvlv_handler->refcount);
INIT_HLIST_NODE(&tvlv_handler->list);
spin_lock_bh(&bat_priv->tvlv.handler_list_lock);
kref_get(&tvlv_handler->refcount);
hlist_add_head_rcu(&tvlv_handler->list, &bat_priv->tvlv.handler_list);
spin_unlock_bh(&bat_priv->tvlv.handler_list_lock);

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