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drm/amd/display: Check for NULL pointer

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commit 4ab68e168a upstream.

[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>
(cherry picked from commit 295d91cbc7)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sung Joon Kim
2024-07-08 19:29:49 -04:00
committed by Greg Kroah-Hartman
parent 94f003925c
commit 6b5ed06482
1 changed files with 2 additions and 1 deletions
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drivers/gpu/drm/amd/display/dc/core/dc_surface.c
+2 -1
View File
@@ -154,7 +154,8 @@ 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;
}