6.6-stable review patch. If anyone has any objections, please let me know.
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From: Ian Forbes ian.forbes@broadcom.com
[ Upstream commit 4809a017a2bc42ff239d53ade4b2e70f2fe81348 ]
Handle unlikely ENOMEN condition and other errors in vmw_stdu_connector_atomic_check.
Signed-off-by: Ian Forbes ian.forbes@broadcom.com Reported-by: Dan Carpenter dan.carpenter@linaro.org Fixes: 75c3e8a26a35 ("drm/vmwgfx: Trigger a modeset when the screen moves") Reviewed-by: Zack Rusin zack.rusin@broadcom.com Reviewed-by: Martin Krastev martin.krastev@broadcom.com Signed-off-by: Zack Rusin zack.rusin@broadcom.com Link: https://patchwork.freedesktop.org/patch/msgid/20240809183756.27283-1-ian.for... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 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)