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

[Haoxiang Li]

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

Fixes: e2d84e5b2205 ("drm/xe: Mark GT work queue with WQ_MEM_RECLAIM")
Cc: stable at vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024 at 163.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/xe/xe_gt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 10a9e3c72b36..1f50f26fb657 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -81,6 +81,8 @@ struct xe_gt *xe_gt_alloc(struct xe_tile *tile)
 	gt->tile = tile;
 	gt->ordered_wq = alloc_ordered_workqueue("gt-ordered-wq",
 						 WQ_MEM_RECLAIM);
+	if (!gt->ordered_wq)
+		return ERR_PTR(-ENOMEM);
 
 	err = drmm_add_action_or_reset(&gt_to_xe(gt)->drm, gt_fini, gt);
 	if (err)
-- 
2.25.1