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(parent: a3f781a) | patch
drm: mxsfb: Fix NULL pointer dereference
authorAlexander Stein <alexander.stein@ew.tq-group.com>
Wed, 2 Feb 2022 08:17:55 +0000 (09:17 +0100)
committerMarek Vasut <marex@denx.de>
Thu, 3 Feb 2022 08:31:16 +0000 (09:31 +0100)
commit622c9a3a7868e1eeca39c55305ca3ebec4742b64
treeed249fb464b88f5130609e81333580cc0d9f62c7tree | snapshot
parenta3f781a9d6114c1d1e01defb7aa234dec45d2a5fcommit | diff
drm: mxsfb: Fix NULL pointer dereference

mxsfb should not ever dereference the NULL pointer which
drm_atomic_get_new_bridge_state is allowed to return.
Assume a fixed format instead.

Fixes: b776b0f00f24 ("drm: mxsfb: Use bus_format from the nearest bridge if present")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202081755.145716-3-alexander.stein@ew.tq-group.com
drivers/gpu/drm/mxsfb/mxsfb_kms.c diff | blob | history
Domain: System / Kernel;