[PATCH v4 07/09] drm/amdgpu: Add the missing error handling for xa_store() call

[Arunpravin Paneer Selvam]

Add the missing error handling for xa_store() call in the function
amdgpu_userq_fence_driver_alloc().

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
index b6fcc04a23af..93f2656a37e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
@@ -102,9 +102,11 @@ int amdgpu_userq_fence_driver_alloc(struct amdgpu_device *adev,
 	get_task_comm(fence_drv->timeline_name, current);
 
 	xa_lock_irqsave(&adev->userq_xa, flags);
-	__xa_store(&adev->userq_xa, userq->doorbell_index,
-		   fence_drv, GFP_KERNEL);
+	r = xa_err(__xa_store(&adev->userq_xa, userq->doorbell_index,
+			      fence_drv, GFP_KERNEL));
 	xa_unlock_irqrestore(&adev->userq_xa, flags);
+	if (r)
+		goto free_seq64;
 
 	userq->fence_drv = fence_drv;
 
-- 
2.34.1