Handle unlikely ENOMEN condition and other errors in
vmw_stdu_connector_atomic_check.
Signed-off-by: Ian Forbes <ian.for...@broadcom.com>
Reported-by: Dan Carpenter <dan.carpen...@linaro.org>
Fixes: 75c3e8a26a35 ("drm/vmwgfx: Trigger a modeset when the screen moves")
---
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index 571e157fe22e9..3223fd278a598 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -886,6 +886,10 @@ static int vmw_stdu_connector_atomic_check(struct
drm_connector *conn,
struct drm_crtc_state *new_crtc_state;
conn_state = drm_atomic_get_connector_state(state, conn);
+
+ if (IS_ERR(conn_state))
+ return PTR_ERR(conn_state);
+
du = vmw_connector_to_stdu(conn);
if (!conn_state->crtc)
--
2.34.1
