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Commit cd2d6c92 authored by Shirish S's avatar Shirish S Committed by Alex Deucher
Browse files

drm/amd/display: fix dereferencing possible ERR_PTR() 



This patch fixes static checker warning caused by
"36cc549d: "drm/amd/display: disable CRTCs with
NULL FB on their primary plane (V2)"

Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarShirish S <shirish.s@amd.com>
Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 219be9dd

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+3 −0
Original line number Diff line number Diff line
@@ -4794,6 +4794,9 @@ static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state, 
			return -EDEADLK;



		crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc);

		if (IS_ERR(crtc_state))

			return PTR_ERR(crtc_state);



		if (crtc->primary == plane && crtc_state->active) {

			if (!plane_state->fb)

				return -EINVAL;