unimore/kernel-hacking-2024-linux-steffo
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drm/amd/display: Check for NULL pointer

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[why & how]
Need to make sure plane_state is initialized
before accessing its members.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Xi (Alex) Liu <xi.liu@amd.com>
Signed-off-by: Sung Joon Kim <sungjoon.kim@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sung Joon Kim 2024-07-08 19:29:49 -04:00 committed by Alex Deucher
parent 72dc6bf159
commit 295d91cbc7
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/core/dc_surface.c
View file

@ -143,7 +143,8 @@ const struct dc_plane_status *dc_plane_get_status(
if (pipe_ctx->plane_state != plane_state)
continue;
pipe_ctx->plane_state->status.is_flip_pending = false;
if (pipe_ctx->plane_state)
pipe_ctx->plane_state->status.is_flip_pending = false;
break;
}