Commit 334b56ce authored by Allen Pan's avatar Allen Pan Committed by Alex Deucher
Browse files

drm/amd/display: Add a dc_state NULL check in dc_state_release 



[How]
Check wheather state is NULL before releasing it.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: default avatarCharlene Liu <charlene.liu@amd.com>
Acked-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarAllen Pan <allen.pan@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e64b3f55

drivers/gpu/drm/amd/display/dc/core/dc_state.c

+2 −1
Original line number Diff line number Diff line
@@ -334,6 +334,7 @@ static void dc_state_free(struct kref *kref) 


void dc_state_release(struct dc_state *state)

{

	if (state != NULL)

		kref_put(&state->refcount, dc_state_free);

}

/*