[PATCH] drm/xe/display: Add check for alloc_ordered_workqueue()

[Haoxiang Li]

Add check for the return value of alloc_ordered_workqueue()
in xe_display_create() to catch potential exception.

Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Cc: stable at vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024 at 163.com>
---
 drivers/gpu/drm/xe/display/xe_display.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index b3921dbc52ff..b5d6ae05d936 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -97,6 +97,8 @@ int xe_display_create(struct xe_device *xe)
 	spin_lock_init(&xe->display.fb_tracking.lock);
 
 	xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
+	if (!xe->display.hotplug.dp_wq)
+		return -ENOMEM;
 
 	return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
 }
-- 
2.25.1