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8b917cbe38e9b0d002492477a9fc2bfee2412ce4
linux/drivers/gpu/drm
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Xiaomeng Tong 8b917cbe38 tilcdc: tilcdc_external: fix an incorrect NULL check on list iterator 
The bug is here:
	if (!encoder) {

The list iterator value 'encoder' will *always* be set and non-NULL
by list_for_each_entry(), so it is incorrect to assume that the
iterator value will be NULL if the list is empty or no element
is found.

To fix the bug, use a new variable 'iter' as the list iterator,
while use the original variable 'encoder' as a dedicated pointer
to point to the found element.

Cc: stable@vger.kernel.org
Fixes: ec9eab097a ("drm/tilcdc: Add drm bridge support for attaching drm bridge drivers")
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Reviewed-by: Jyri Sarha <jyri.sarha@iki.fi>
Tested-by: Jyri Sarha <jyri.sarha@iki.fi>
Signed-off-by: Jyri Sarha <jyri.sarha@iki.fi>
Link: https://patchwork.freedesktop.org/patch/msgid/20220327061516.5076-1-xiam0nd.tong@gmail.com
2022-03-29 13:58:58 +03:00
..
amd
drm/amdgpu: drop amdgpu_gtt_node
2022-03-29 10:57:12 +02:00
arm
drm/komeda: plane: Remove redundant color encoding and range initialisation
2022-03-08 12:03:46 +01:00
armada
drm/armada: Add support for the nomodeset kernel parameter
2022-01-27 19:15:48 +01:00
aspeed
drm/aspeed: Add AST2600 chip support
2022-03-03 09:08:35 +10:30
ast
drm/ast: Move SIL164-based connector code into separate helpers
2022-02-08 13:40:18 +01:00
atmel-hlcdc
drm/atmel-hlcdc: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
bridge
drm/bridge: anx7625: Set downstream sink into normal status
2022-03-28 15:15:44 +02:00
dp
drm/dp: Fix OOB read when handling Post Cursor2 register
2022-02-25 10:24:20 +01:00
etnaviv
drm/etnaviv: stop using dma_resv_excl_fence v2
2022-03-24 10:09:20 +01:00
exynos
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
2022-02-07 17:03:24 +01:00
fsl-dcu
drm/fsl-dcu: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
gma500
gma500: fix an incorrect NULL check on list iterator
2022-03-29 11:33:11 +02:00
gud
drm/format-helper: Rework format-helper conversion functions
2021-11-11 12:06:57 +01:00
hisilicon
drm/hisilicon/kirin: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
hyperv
drm/hyperv: Add support for the nomodeset kernel parameter
2022-01-27 19:15:48 +01:00
i2c
…
i810
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
i915
drm/ttm: rework bulk move handling v5
2022-03-29 10:55:32 +02:00
imx
drm/imx: Use drm_mode_duplicate()
2022-03-14 17:38:59 +02:00
ingenic
drm/ingenic: Fix support for JZ4780 HDMI output
2022-02-14 12:27:01 +00:00
kmb
drm/kmb: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:46 +01:00
lib
drm/selftests: add drm buddy alloc range testcase
2022-02-23 10:44:43 +01:00
lima
drm/sched: Add device pointer to drm_gpu_scheduler
2022-02-23 10:04:14 +01:00
mcde
drm/mcde: Add support for the nomodeset kernel parameter
2022-01-27 19:15:49 +01:00
mediatek
drm/mediatek: implement the DSI HS packets aligned
2022-03-09 14:14:38 +01:00
meson
drm: Drop commas after SoC match table sentinels
2022-03-07 11:20:07 +01:00
mga
drm/mga/mga_ioc32: Use struct_group() for memcpy() region
2021-09-25 08:20:48 -07:00
mgag200
drm/mgag200: Replace module-init boiler-plate code with DRM helpers
2022-01-27 19:14:17 +01:00
msm
drm/msm/mdp5: Remove redundant zpos initialisation
2022-02-25 17:56:38 +01:00
mxsfb
drm: mxsfb: Use dev_err_probe() helper
2022-02-03 09:50:15 +01:00
nouveau
drm/nouveau/kms/nv50-: atom: fix an incorrect NULL check on list iterator
2022-03-28 17:31:27 -04:00
omapdrm
drm: omapdrm: Do no allocate non-scanout GEMs through DMM/TILER
2022-03-28 12:39:52 +03:00
panel
drm/panel-edp: add LQ140M1JW46 edp panel entry
2022-03-17 17:01:47 -07:00
panfrost
drm/panfrost: cleanup comments
2022-03-02 13:53:24 +00:00
pl111
drm: Remove CONFIG_DRM_KMS_CMA_HELPER option
2021-11-30 11:10:03 +01:00
qxl
drm/qxl: fix qxl can't use in arm64
2022-03-25 12:28:28 +01:00
r128
BackMerge tag 'v5.15-rc7' into drm-next
2021-10-28 14:59:38 +10:00
radeon
drm/radeon: remove resource accounting v2
2022-02-15 17:51:09 +01:00
rcar-du
drm/rcar: plane: Remove redundant zpos initialisation
2022-02-25 17:57:01 +01:00
rockchip
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
2022-02-07 17:03:24 +01:00
savage
…
scheduler
drm/sched: Add device pointer to drm_gpu_scheduler
2022-02-23 10:04:14 +01:00
selftests
drm/selftests: missing error code in igt_buddy_alloc_smoke()
2022-03-07 17:07:54 +01:00
shmobile
drm/shmobile: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:47 +01:00
sis
…
solomon
drm/ssd130x: Reduce temporary buffer sizes
2022-03-17 12:29:43 +01:00
sprd
drm/sprd: check the platform_get_resource() return value
2022-02-14 21:53:17 +08:00
sti
drm/sti: plane: Remove redundant zpos initialisation
2022-02-25 17:57:05 +01:00
stm
drm/stm: ltdc: add support for CRC hashing feature
2022-02-25 14:14:28 +01:00
sun4i
drm/sun4i: layer: Remove redundant zpos initialisation
2022-02-25 17:57:10 +01:00
tdfx
…
tegra
drm/dp: Fix OOB read when handling Post Cursor2 register
2022-02-25 10:24:20 +01:00
tidss
drm/tidss: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:47 +01:00
tilcdc
tilcdc: tilcdc_external: fix an incorrect NULL check on list iterator
2022-03-29 13:58:58 +03:00
tiny
drm/format-helper: Rename drm_fb_xrgb8888_to_mono_reversed()
2022-03-17 12:29:40 +01:00
ttm
drm/ttm: rework bulk move handling v5
2022-03-29 10:55:32 +02:00
tve200
drm/tve200: Use drm_module_platform_driver() to register the driver
2022-01-27 19:15:48 +01:00
udl
drm/udl: fix control-message timeout
2021-11-05 11:15:14 +01:00
v3d
drm/v3d: centralize error handling when init scheduler fails
2022-03-01 22:37:13 -01:00
vboxvideo
drm/vboxvideo: Replace module-init boiler-plate code with DRM helpers
2022-01-27 19:15:34 +01:00
vc4
drm/vc4: hdmi: Support HDMI YUV output
2022-03-24 13:44:00 +01:00
vgem
drm: Return error codes from struct drm_driver.gem_create_object
2021-12-02 11:12:39 +01:00
via
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
virtio
drm/virtio: Remove restriction of non-zero blob_flags
2022-03-25 12:28:27 +01:00
vkms
drm/vkms: add support for multiple overlay planes
2022-01-09 16:14:35 -01:00
vmwgfx
drm/vmwgfx: Disable command buffers on svga3 without gbobjects
2022-03-21 10:10:36 -04:00
xen
drm/xen: Add support for the nomodeset kernel parameter
2022-01-27 19:15:50 +01:00
xlnx
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
2022-02-07 17:03:24 +01:00
drm_agpsupport.c
…
drm_aperture.c
…
drm_atomic_helper.c
drm: fix error found in some cases after the patch d1af5cd86997
2022-01-14 14:31:54 +01:00
drm_atomic_state_helper.c
drm/object: Add default color encoding and range value at reset
2022-02-25 17:57:14 +01:00
drm_atomic_uapi.c
drm: get rid of DRM_DEBUG_* log calls in drm core, files drm_a*.c
2021-11-26 16:45:22 +01:00
drm_atomic.c
Merge drm/drm-fixes into drm-misc-fixes
2022-01-26 09:40:24 +01:00
drm_auth.c
drm: get rid of DRM_DEBUG_* log calls in drm core, files drm_a*.c
2021-11-26 16:45:22 +01:00
drm_blend.c
drm/blend: fix typo in the comment
2022-03-16 09:36:13 +01:00
drm_bridge_connector.c
drm/bridge_connector: enable HPD by default if supported
2022-03-04 19:34:24 +00:00
drm_bridge.c
drm/bridge: Document the probe issue with MIPI-DSI bridges
2021-09-24 19:25:23 +02:00
drm_buddy.c
drm/selftests: add drm buddy alloc range testcase
2022-02-23 10:44:43 +01:00
drm_bufs.c
…
drm_cache.c
drm: Stop spamming log with drm_cache message
2022-02-03 11:30:24 -08:00
drm_client_modeset.c
drm: Convert open-coded yes/no strings to yesno()
2022-02-07 13:04:25 -08:00
drm_client.c
…
drm_color_mgmt.c
drm/docs: Document where the C8 color lut is stored
2022-01-25 09:36:20 +01:00
drm_connector.c
drm/connector: use drm_sysfs_connector_hotplug_event
2021-11-02 14:27:11 +01:00
drm_context.c
…
drm_crtc_helper_internal.h
drm/dp: Move DP declarations into separate header file
2022-01-17 11:25:44 +01:00
drm_crtc_helper.c
Revert "drm: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()"
2021-10-04 09:34:57 -04:00
drm_crtc_internal.h
drm/connector: Add drm_connector_find_by_fwnode() function (v3)
2021-08-20 12:35:59 +02:00
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
drm: Plumb debugfs_init through to panels
2022-02-15 15:25:18 -08:00
drm_displayid.c
…
drm_dma.c
…
drm_drv.c
drm: fix null-ptr-deref in drm_dev_init_release()
2021-10-14 21:39:02 +02:00
drm_dsc.c
drm/dp: Move public DisplayPort headers into dp/
2022-01-17 11:25:44 +01:00
drm_dumb_buffers.c
…
drm_edid_load.c
…
drm_edid.c
drm/edid: Clear EDID Deep Color Modes in drm_reset_display_info()
2022-02-02 10:38:28 +01:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_fb_cma_helper.c
…
drm_fb_helper.c
drm/fb-helper: Clip damage area horizontally
2022-02-10 14:49:31 +01:00
drm_file.c
…
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Fix XRGB888 to monochrome conversion
2022-03-17 12:29:42 +01:00
drm_fourcc.c
drm/fourcc: Add packed 10bit YUV 4:2:0 format
2021-12-16 11:23:22 +01:00
drm_framebuffer.c
drm: introduce fb_modifiers_not_supported flag in mode_config
2022-01-31 21:45:23 +01:00
drm_gem_atomic_helper.c
drm: use new iterator in drm_gem_plane_helper_prepare_fb v3
2021-10-25 09:33:22 +02:00
drm_gem_cma_helper.c
Merge tag 'drm-misc-next-2021-12-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-12-10 15:08:21 +10:00
drm_gem_framebuffer_helper.c
dma-buf: move dma-buf symbols into the DMA_BUF module namespace
2021-10-25 14:53:08 +02:00
drm_gem_shmem_helper.c
drm/gem-shmem: Don't store mmap'ed buffers in core dumps
2022-02-14 09:42:26 +01:00
drm_gem_ttm_helper.c
…
drm_gem_vram_helper.c
drm: Return error codes from struct drm_driver.gem_create_object
2021-12-02 11:12:39 +01:00
drm_gem.c
drm: Convert open-coded yes/no strings to yesno()
2022-02-07 13:04:25 -08:00
drm_hashtab.c
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_hdcp.c
…
drm_internal.h
…
drm_ioc32.c
drm: Copy drm_wait_vblank to user before returning
2021-08-17 13:56:03 -04:00
drm_ioctl.c
drm: introduce fb_modifiers_not_supported flag in mode_config
2022-01-31 21:45:23 +01:00
drm_irq.c
drm: Build drm_irq.o only if CONFIG_DRM_LEGACY has been set
2021-10-22 16:20:12 +02:00
drm_kms_helper_common.c
drm/dp: Move DisplayPort helpers into separate helper module
2022-01-17 11:25:44 +01:00
drm_lease.c
drm/lease: allow empty leases
2021-10-01 15:55:47 +02:00
drm_legacy_misc.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_legacy.h
drm: Declare hashtable as legacy
2021-11-30 09:41:28 +01:00
drm_lock.c
…
drm_managed.c
…
drm_memory.c
…
drm_mipi_dbi.c
drm/mipi-dbi: Fix source-buffer address in mipi_dbi_buf_copy
2022-01-14 14:43:02 +01:00
drm_mipi_dsi.c
drm/mipi-dsi: Create devm device attachment
2021-09-24 19:25:33 +02:00
drm_mm.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_mode_config.c
…
drm_mode_object.c
drm/object: Add drm_object_property_get_default_value() function
2022-02-25 17:55:42 +01:00
drm_modes.c
drm: Add drm_mode_init()
2022-03-14 17:36:59 +02:00
drm_modeset_helper.c
…
drm_modeset_lock.c
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
2022-01-22 08:33:37 +02:00
drm_nomodeset.c
drm: Fix build error caused by missing drm_nomodeset.o
2021-11-27 21:05:58 +01:00
drm_of.c
drm: of: Lookup if child node has panel or bridge
2022-02-25 17:08:37 +01:00
drm_panel_orientation_quirks.c
drm: panel-orientation-quirks: Add quirk for the 1Netbook OneXPlayer
2022-01-19 16:31:29 +01:00
drm_panel.c
…
drm_pci.c
…
drm_plane_helper.c
drm/plane-helper: fix uninitialized variable reference
2021-10-07 12:24:44 +02:00
drm_plane.c
drm: add support modifiers for drivers whose planes only support linear layout
2022-01-31 21:45:24 +01:00
drm_prime.c
Merge tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm
2021-11-12 12:11:07 -08:00
drm_print.c
isystem: ship and use stdarg.h
2021-08-19 09:02:55 +09:00
drm_privacy_screen_x86.c
Merge tag 'drm-misc-next-2022-01-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2022-02-01 19:02:41 +10:00
drm_privacy_screen.c
drm/privacy-screen: Fix sphinx warning
2022-02-07 13:43:39 +01:00
drm_probe_helper.c
drm/probe-helper: use drm_kms_helper_connector_hotplug_event
2021-11-02 14:27:14 +01:00
drm_property.c
drm: property: Replace strncpy() with strscpy_pad()
2021-10-07 05:42:13 +03:00
drm_rect.c
…
drm_scatter.c
…
drm_scdc_helper.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Support custom CRTC state
2021-08-08 20:14:08 +02:00
drm_syncobj.c
drm/syncobj: flatten dma_fence_chains on transfer
2022-02-11 11:30:01 +01:00
drm_sysfs.c
drm/sysfs: introduce drm_sysfs_connector_hotplug_event
2021-11-02 14:27:06 +01:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
…
drm_vblank.c
drm: IRQ midlayer is now legacy
2021-08-10 20:14:01 +02:00
drm_vm.c
…
drm_vma_manager.c
…
drm_writeback.c
…
Kconfig
drm/selftests: Move i915 buddy selftests into drm
2022-02-23 10:43:25 +01:00
Makefile
drm: Add driver for Solomon SSD130x OLED displays
2022-02-16 13:29:04 +01:00