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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2026-04-08 15:42:05 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2026-04-10 08:17:55 +0300 |
| commit | 3e9a1da270ddff449b1ad9eadc958f43bc204bd2 (patch) | |
| tree | 7f1853a372acd7fd9bd4442fbbfdb9ea7acd0b9a /tools/perf/scripts/python/libxed.py | |
| parent | bef9eeb62c47902f73a386a8176795fba5e5e2e7 (diff) | |
drm: rcar-du: Fix crash when no CMM is available
Commit 3bce3fdd1ff2 ("drm: rcar-du: Don't leak device_link to CMM")
refactored CMM handling, and introduced an incorrect test for CMM
availability. When no CMM is present, the rcrtc->cmm field is NULL,
testing rcrtc->cmm->dev causes a NULL pointer dereference. This slipped
through testing as all tests were run with the CMM present.
Fix this issue by correctly testing for rcrtc->cmm.
Fixes: 3bce3fdd1ff2 ("drm: rcar-du: Don't leak device_link to CMM")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Closes: https://lore.kernel.org/dri-devel/CAMuHMdXomz9GFDqkBjGX9Sda_GLccPcrihvFbOz0GAitDVNTbw@mail.gmail.com
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260408124205.1962448-1-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Diffstat (limited to 'tools/perf/scripts/python/libxed.py')
0 files changed, 0 insertions, 0 deletions