This is a note to let you know that I've just added the patch titled
drm/vmwgfx: Handle possible ENOMEM in vmw_stdu_connector_atomic_check
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-vmwgfx-handle-possible-enomem-in-vmw_stdu_connec.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3736fdfc57b508d5005a9ceb2de2671b26d8d6cd
Author: Ian Forbes <ian.forbes@xxxxxxxxxxxx>
Date: Fri Aug 9 13:37:56 2024 -0500
drm/vmwgfx: Handle possible ENOMEM in vmw_stdu_connector_atomic_check
[ Upstream commit 4809a017a2bc42ff239d53ade4b2e70f2fe81348 ]
Handle unlikely ENOMEN condition and other errors in
vmw_stdu_connector_atomic_check.
Signed-off-by: Ian Forbes <ian.forbes@xxxxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Fixes: 75c3e8a26a35 ("drm/vmwgfx: Trigger a modeset when the screen moves")
Reviewed-by: Zack Rusin <zack.rusin@xxxxxxxxxxxx>
Reviewed-by: Martin Krastev <martin.krastev@xxxxxxxxxxxx>
Signed-off-by: Zack Rusin <zack.rusin@xxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240809183756.27283-1-ian.forbes@xxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index b22ae25db4e17..52ea0c50c852c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -881,6 +881,10 @@ 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)
