This patch fixes static checker warning caused by
"36cc549d5986: "drm/amd/display: disable CRTCs with
NULL FB on their primary plane (V2)"
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Shirish S <shiris...@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 0564676..9e2cdc9 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4893,6 +4893,9 @@ 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;
--
2.7.4
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