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author | Ian Forbes <ian.forbes@broadcom.com> | 2024-08-09 20:37:56 +0200 |
---|---|---|
committer | Zack Rusin <zack.rusin@broadcom.com> | 2024-10-10 20:27:51 +0200 |
commit | 4809a017a2bc42ff239d53ade4b2e70f2fe81348 (patch) | |
tree | 6bfc156a9e03cf2fd45d4f83afd46fda3f0fd4d7 | |
parent | drm/vmwgfx: Limit display layout ioctl array size to VMWGFX_NUM_DISPLAY_UNITS (diff) | |
download | linux-4809a017a2bc42ff239d53ade4b2e70f2fe81348.tar.xz linux-4809a017a2bc42ff239d53ade4b2e70f2fe81348.zip |
drm/vmwgfx: Handle possible ENOMEM in vmw_stdu_connector_atomic_check
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.forbes@broadcom.com
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index fab155a68054..82d18b88f4a7 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) |