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471aa951bf1206d3c10d0daa67005b8e4db4ff83
linux/drivers/gpu/drm
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Harshit Mogalapalli 471aa951bf i915/perf: Fix NULL deref bugs with drm_dbg() calls 
When i915 perf interface is not available dereferencing it will lead to
NULL dereferences.

As returning -ENOTSUPP is pretty clear return when perf interface is not
available.

Fixes: 2fec539112 ("i915/perf: Replace DRM_DEBUG with driver specific drm_dbg call")
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v6.0+
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027172822.2753059-1-harshit.m.mogalapalli@oracle.com
[tursulin: added stable tag]
(cherry picked from commit 36f27350ff)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2023-10-30 13:48:46 +02:00
..
amd
Merge tag 'amd-drm-next-6.7-2023-10-20' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2023-10-25 10:54:22 +10:00
arm
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
armada
drm/armada: Call drm_atomic_helper_shutdown() at shutdown time
2023-09-21 10:38:11 -07:00
aspeed
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
ast
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
atmel-hlcdc
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
bridge
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
ci
drm: Add initial ci/ subdirectory
2023-08-29 19:56:11 +02:00
display
Merge drm/drm-next into drm-misc-next
2023-10-11 09:50:59 +02:00
etnaviv
Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next
2023-08-18 06:42:12 +10:00
exynos
Merge drm/drm-next into drm-misc-next
2023-10-11 09:50:59 +02:00
fsl-dcu
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
gma500
drm/gma500: refactor deprecated strncpy
2023-09-27 12:38:54 +02:00
gud
drm/gud: use vmalloc_array and vcalloc
2023-07-04 12:05:08 +02:00
hisilicon
drm/hisilicon/kirin: Call drm_atomic_helper_shutdown() at shutdown/unbind time
2023-09-21 10:54:20 -07:00
hyperv
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
i2c
Merge tag 'drm-misc-next-2023-07-13' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-07-17 15:37:57 +02:00
i915
i915/perf: Fix NULL deref bugs with drm_dbg() calls
2023-10-30 13:48:46 +02:00
imx
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
ingenic
drm/ingenic: Call drm_atomic_helper_shutdown() at shutdown time
2023-09-13 11:12:20 -07:00
kmb
drm/kmb: Use GEM DMA fbdev emulation
2023-03-14 17:07:48 +01:00
lib
…
lima
drm: Explicitly include correct DT includes
2023-07-21 09:12:43 +02:00
logicvc
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
loongson
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
mcde
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
mediatek
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
meson
drm/meson: fix memory leak on ->hpd_notify callback
2023-09-20 15:44:31 +02:00
mgag200
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
msm
Merge tag 'drm-msm-next-2023-10-17' of https://gitlab.freedesktop.org/drm/msm into drm-next
2023-10-23 18:29:18 +10:00
mxsfb
drm: Explicitly include correct DT includes
2023-07-21 09:12:43 +02:00
nouveau
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
omapdrm
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
panel
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
panfrost
Merge drm/drm-next into drm-misc-next
2023-10-11 09:50:59 +02:00
pl111
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
qxl
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
radeon
Merge tag 'amd-drm-next-6.7-2023-10-13' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2023-10-18 16:08:07 +10:00
renesas
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
rockchip
Merge drm/drm-next into drm-misc-next
2023-10-11 09:50:59 +02:00
scheduler
dma-buf: add dma_fence_timestamp helper
2023-10-05 11:05:58 +02:00
solomon
drm/ssd130x: Drop _helper prefix from struct drm_*_helper_funcs callbacks
2023-09-22 11:48:08 +02:00
sprd
drm: Explicitly include correct DT includes
2023-07-21 09:12:43 +02:00
sti
drm: Call drm_atomic_helper_shutdown() at shutdown time for misc drivers
2023-09-21 10:41:04 -07:00
stm
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
sun4i
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
tegra
drm/tegra: gem: Do not return NULL in tegra_bo_mmap()
2023-10-11 22:52:44 +02:00
tests
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
tidss
drm: Fix references to drm_plane_helper_check_state()
2023-07-29 21:25:18 +02:00
tilcdc
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
tiny
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
ttm
drm/ttm: Reorder sys manager cleanup step
2023-10-16 14:27:27 +02:00
tve200
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
udl
drm/udl: Convert to drm_crtc_helper_atomic_check()
2023-07-29 21:01:27 +02:00
v3d
drm/v3d: Annotate struct v3d_perfmon with __counted_by
2023-10-05 11:31:33 +02:00
vboxvideo
drm: Call drm_atomic_helper_shutdown() at shutdown/remove time for misc drivers
2023-09-21 10:51:55 -07:00
vc4
Merge drm/drm-next into drm-misc-next
2023-10-11 09:50:59 +02:00
vgem
drm/vgem: Drop struct drm_vgem_gem_object
2023-03-20 08:14:27 -03:00
virtio
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
vkms
Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"
2023-09-14 07:48:19 -03:00
vmwgfx
Merge tag 'topic/vmemdup-user-array-2023-10-24-1' of git://anongit.freedesktop.org/drm/drm into drm-next
2023-10-24 11:13:29 +10:00
xen
drm: Explicitly include correct DT includes
2023-07-21 09:12:43 +02:00
xlnx
drm: xlnx: zynqmp_dpsub: Use devm_platform_ioremap_resource_byname()
2023-08-02 01:36:54 +03:00
drm_agpsupport.c
…
drm_aperture.c
video/aperture: Drop primary argument
2023-04-16 14:17:55 +02:00
drm_atomic_helper.c
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
drm_atomic_state_helper.c
drm/atomic-helper: fix kernel-doc problems
2023-01-19 09:16:04 +01:00
drm_atomic_uapi.c
drm/atomic: log errors in drm_mode_atomic_ioctl()
2023-06-23 16:34:25 +02:00
drm_atomic.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
drm_auth.c
drm: Update file owner during use
2023-09-20 15:27:44 +02:00
drm_blend.c
drm/drm_blend: Remove usage of deprecated DRM_DEBUG_ATOMIC
2023-01-10 16:14:13 +01:00
drm_bridge_connector.c
drm/bridge_connector: implement oob_hotplug_event
2023-10-11 13:20:22 +03:00
drm_bridge.c
drm/debugfs: rework debugfs directory creation v5
2023-09-01 08:51:18 +02:00
drm_buddy.c
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
drm_bufs.c
drm/nouveau: Remove support for legacy contexts/buffers
2023-01-13 09:22:02 +01:00
drm_cache.c
…
drm_client_modeset.c
drm/client: Fix memory leak in drm_client_modeset_probe
2023-07-13 15:55:58 +02:00
drm_client.c
drm/debugfs: rework debugfs directory creation v5
2023-09-01 08:51:18 +02:00
drm_color_mgmt.c
…
drm_connector.c
drm: Add HPD state to drm_connector_oob_hotplug_event()
2023-10-11 13:20:22 +03:00
drm_context.c
drm/nouveau: Remove support for legacy contexts/buffers
2023-01-13 09:22:02 +01:00
drm_crtc_helper_internal.h
…
drm_crtc_helper.c
drm/fb-helper: Remove unnecessary include statements
2022-11-05 17:12:04 +01:00
drm_crtc_internal.h
drm/debugfs: rework debugfs directory creation v5
2023-09-01 08:51:18 +02:00
drm_crtc.c
…
drm_damage_helper.c
…
drm_debugfs_crc.c
…
drm_debugfs.c
drm/gpuvm: rename struct drm_gpuva_manager to struct drm_gpuvm
2023-09-26 01:51:28 +02:00
drm_displayid.c
drm/displayid: provide access to DisplayID version and primary use case
2023-02-27 02:58:38 +03:00
drm_dma.c
…
drm_drv.c
drm/debugfs: rework drm_debugfs_create_files implementation v2
2023-09-01 08:54:12 +02:00
drm_dumb_buffers.c
drm: remove dumb_destroy callback
2023-02-10 12:19:27 +01:00
drm_edid_load.c
drm/edid/firmware: stop using a throwaway platform device
2022-11-16 14:54:44 +02:00
drm_edid.c
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
drm_encoder_slave.c
…
drm_encoder.c
…
drm_exec.c
drm/drm_exec: Work around a WW mutex lockdep oddity
2023-09-07 10:30:12 +02:00
drm_fb_dma_helper.c
…
drm_fb_helper.c
tty: sysrq: switch sysrq handlers from int to u8
2023-07-25 19:21:03 +02:00
drm_fbdev_dma.c
fbdev: Use _DMAMEM_ infix for DMA-memory helpers
2023-07-31 20:07:18 +02:00
drm_fbdev_generic.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
drm_file.c
drm/drm_file: Add DRM obj's RSS reporting function for fdinfo
2023-10-04 13:04:15 +02:00
drm_flip_work.c
…
drm_format_helper.c
drm/format-helper: Support the AB24/XB24 formats
2023-01-23 15:02:41 +01:00
drm_fourcc.c
drm/fourcc: Add missing big-endian XRGB1555 and RGB565 formats
2022-11-23 20:34:46 +01:00
drm_framebuffer.c
drm: Replace drm_framebuffer plane size functions with its equivalents
2023-10-12 09:51:29 +02:00
drm_gem_atomic_helper.c
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_gem_dma_helper.c
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
drm_gem_framebuffer_helper.c
drm/gem-fb-helper: Consistenly use drm_dbg_kms()
2023-07-28 11:46:02 +02:00
drm_gem_shmem_helper.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
drm_gem_ttm_helper.c
drm/ttm: merge ttm_bo_api.h and ttm_bo_driver.h v2
2022-12-06 12:54:14 +01:00
drm_gem_vram_helper.c
drm/vram-helper: fix function names in vram helper doc
2023-05-08 09:16:18 +02:00
drm_gem.c
drm: Do not overrun array in drm_gem_get_pages()
2023-10-12 10:44:06 +02:00
drm_gpuvm.c
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
drm_hashtab.c
…
drm_internal.h
Merge drm/drm-next into drm-intel-next
2023-10-04 18:06:27 +03:00
drm_ioc32.c
drm: Replace DRM_DEBUG with drm_dbg_core in file and ioctl handling
2023-01-03 18:20:57 +01:00
drm_ioctl.c
drm: Update file owner during use
2023-09-20 15:27:44 +02:00
drm_irq.c
…
drm_kms_helper_common.c
…
drm_lease.c
drm_lease.c: copy user-array safely
2023-10-09 16:59:49 +10:00
drm_legacy_misc.c
…
drm_legacy.h
…
drm_lock.c
…
drm_managed.c
Merge drm/drm-next into drm-misc-next
2023-07-24 15:44:47 +02:00
drm_memory.c
…
drm_mipi_dbi.c
drm/mipi-dbi: Lock SPI bus before setting D/C GPIO
2023-08-02 13:18:07 +02:00
drm_mipi_dsi.c
Merge drm/drm-next into drm-misc-next
2023-07-24 15:44:47 +02:00
drm_mm.c
…
drm_mode_config.c
drm/debugfs: remove dev->debugfs_list and debugfs_mutex v2
2023-09-01 08:53:05 +02:00
drm_mode_object.c
drm/kms: log when querying an object not included in lease
2023-06-23 16:38:00 +02:00
drm_modes.c
drm: Fix comment on mode parsing
2023-02-20 14:56:52 +01:00
drm_modeset_helper.c
…
drm_modeset_lock.c
…
drm_of.c
drm: of: Add drm_of_get_dsi_bus helper function
2023-01-27 09:39:21 +01:00
drm_panel_orientation_quirks.c
drm: panel-orientation-quirks: Add quirk for One Mix 2S
2023-10-03 12:06:08 +01:00
drm_panel.c
drm/panel: Add a way for other devices to follow panel state
2023-08-01 07:38:13 -07:00
drm_pci.c
…
drm_plane_helper.c
drm: Remove references to removed transitional helpers
2023-07-29 21:25:16 +02:00
drm_plane.c
drm/docs: Explicitly document default CRTC background behavior
2023-01-04 16:12:15 +00:00
drm_prime.c
drm/prime: Unexport helpers for fd/handle conversion
2023-06-26 11:08:46 +02:00
drm_print.c
…
drm_privacy_screen_x86.c
…
drm_privacy_screen.c
…
drm_probe_helper.c
drm: Add an HPD poll helper to reschedule the poll work
2023-08-23 17:14:37 -04:00
drm_property.c
…
drm_rect.c
gpu/drm: fix repeated words in comments
2022-10-24 09:27:04 +02:00
drm_scatter.c
…
drm_self_refresh_helper.c
…
drm_simple_kms_helper.c
drm/simple-kms: Remove drm_gem_simple_display_pipe_prepare_fb()
2022-12-05 13:35:37 +01:00
drm_suballoc.c
drm/suballoc: Extract amdgpu_sa.c as generic suballocation helper
2023-03-01 17:18:19 +01:00
drm_syncobj.c
Merge drm/drm-next into drm-misc-next
2023-07-24 15:44:47 +02:00
drm_sysfs.c
drm/sysfs: Register "ddc" symlink later
2023-09-15 14:46:42 +03:00
drm_trace_points.c
…
drm_trace.h
…
drm_vblank_work.c
drm/vblank: Warn when silently cancelling vblank works
2023-10-03 16:01:03 +03:00
drm_vblank.c
drm/vblank: Fix for drivers that do not drm_vblank_init()
2023-04-04 22:38:03 +02:00
drm_vm.c
mm: replace vma->vm_flags direct modifications with modifier calls
2023-02-09 16:51:39 -08:00
drm_vma_manager.c
drm/drm_vma_manager: Add drm_vma_node_allow_once()
2023-01-19 14:16:55 +01:00
drm_writeback.c
…
Kconfig
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
Makefile
drm/gpuvm: allow building as module
2023-09-26 01:58:28 +02:00