drm/omap: drm_atomic_get_plane_state() may return ERR_PTR

drm_atomic_get_plane_state() may return ERR_PTR. Handle
drm_atomic_get_plane_state() return values right in
omap_crtc_atomic_set_property().

Signed-off-by: Jyri Sarha <[email protected]>
Acked-by: Tomi Valkeinen <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>

diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 7dd3d44a93e5b85c42ab31cdcb88808ce7bb1473..f5b19d18fa8b2cd18dd14a445d655618044c4b16 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -433,8 +433,8 @@ static int omap_crtc_atomic_set_property(struct drm_crtc *crtc,
         */
 
        plane_state = drm_atomic_get_plane_state(state->state, plane);
-       if (!plane_state)
-               return -EINVAL;
+       if (IS_ERR(plane_state))
+               return PTR_ERR(plane_state);
 
        return drm_atomic_plane_set_property(plane, plane_state, property, val);
 }