Thomas Zimmermann e034b8a18d drm/msm: Fix possible uninitialized access in fbdev ...

Do not run drm_fb_helper_unprepare() if fbdev allocation fails. Avoids
access to an uninitialized pointer. Original bug report is at [1].

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 3fb1f62f80 ("drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()")
Link: https://lore.kernel.org/oe-kbuild-all/202302220810.9dymwCQ8-lkp@intel.com/ # 1
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230222123712.5049-1-tzimmermann@suse.de

2023-02-22 17:12:36 +01:00

..

adreno

Merge tag 'drm-msm-fixes-2023-01-16' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-20 07:49:01 +10:00

disp

Merge tag 'drm-msm-fixes-2023-01-12' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-13 13:01:22 +10:00

dp

Merge tag 'drm-msm-fixes-2023-01-12' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-13 13:01:22 +10:00

dsi

drm/msm/dsi: Prevent signed BPG offsets from bleeding into adjacent bits

2022-11-04 17:39:41 +03:00

hdmi

Merge v6.2-rc6 into drm-next

2023-01-31 12:23:23 +01:00

Kconfig

drm/msm: Kconfig: Fix spelling mistake "throught" -> "through"

2022-10-14 09:33:12 -07:00

Makefile

drm/msm/dp: rewrite dss_module_power to use bulk clock functions

2022-07-04 21:05:28 +03:00

msm_atomic_trace.h

…

msm_atomic_tracepoints.c

…

msm_atomic.c

…

msm_debugfs.c

drm/msm: Add fault-injection support

2022-08-28 08:32:11 -07:00

msm_debugfs.h

…

msm_drv.c

Merge tag 'drm-msm-fixes-2023-01-12' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-13 13:01:22 +10:00

msm_drv.h

drm/msm: Hangcheck progress detection

2022-11-17 10:39:12 -08:00

msm_fb.c

drm: Drop drm_framebuffer.h from drm_crtc.h

2022-06-20 23:53:55 +03:00

msm_fbdev.c

drm/msm: Fix possible uninitialized access in fbdev

2023-02-22 17:12:36 +01:00

msm_fence.c

drm/msm: Fix fence rollover issue

2022-07-05 06:01:11 +03:00

msm_fence.h

…

msm_gem_prime.c

drm/msm/gem: Rename to pin/unpin_pages

2022-08-27 09:32:44 -07:00

msm_gem_shrinker.c

drm/msm: Enable unpin/eviction by default

2022-11-17 10:39:12 -08:00

msm_gem_submit.c

Merge tag 'drm-msm-next-2022-11-28' of https://gitlab.freedesktop.org/drm/msm into drm-next

2022-11-30 17:19:18 +10:00

msm_gem_vma.c

drm/msm/gem: Drop early returns in close/purge vma

2022-06-15 13:22:45 -07:00

msm_gem.c

drm/msm/gem: Add msm_gem_assert_locked()

2022-08-27 09:32:45 -07:00

msm_gem.h

drm/msm/gem: Convert to lockdep assert

2022-08-28 08:31:49 -07:00

msm_gpu_devfreq.c

drm/msm/gpu: Drop qos request if devm_devfreq_add_device() fails

2022-09-18 09:37:55 -07:00

msm_gpu_trace.h

drm/msm/gem: Evict active GEM objects when necessary

2022-08-27 09:32:45 -07:00

msm_gpu_tracepoints.c

…

msm_gpu.c

Merge tag 'drm-msm-fixes-2023-01-16' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-20 07:49:01 +10:00

msm_gpu.h

Merge tag 'drm-msm-fixes-2023-01-16' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

2023-01-20 07:49:01 +10:00

msm_gpummu.c

…

msm_io_utils.c

drm/msm: lookup the ICC paths in both mdp5/dpu and mdss devices

2022-09-18 09:38:02 -07:00

msm_iommu.c

drm/msm: move domain allocation into msm_iommu_new()

2022-11-03 02:23:45 +03:00

msm_kms.h

drm/msm: don't free the IRQ if it was not requested

2022-05-18 15:55:46 -07:00

msm_mdss.c

drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path

2022-12-27 17:59:05 -08:00

msm_mmu.h

drm/msm: move domain allocation into msm_iommu_new()

2022-11-03 02:23:45 +03:00

msm_perf.c

…

msm_rd.c

drm/msm/rd: Fix FIFO-full deadlock

2022-09-18 09:37:55 -07:00

msm_ringbuffer.c

drm/msm/gem: Unpin objects slightly later

2022-09-30 09:01:33 -07:00

msm_ringbuffer.h

drm/msm: Hangcheck progress detection

2022-11-17 10:39:12 -08:00

msm_submitqueue.c

drm/msm: Split out idr_lock

2022-08-27 09:32:44 -07:00

NOTES

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