Unpin and unref the door bell obj if queue creation fails before
initialization is complete.

Signed-off-by: Sunil Khatri <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
index 154742bdd5a6..eedea84c5e0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq.c
@@ -787,7 +787,7 @@ amdgpu_userq_create(struct drm_file *filp, union 
drm_amdgpu_userq *args)
        r = uq_funcs->mqd_create(queue, &args->in);
        if (r) {
                drm_file_err(uq_mgr->file, "Failed to create Queue\n");
-               goto clean_mapping;
+               goto clean_doorbell_bo;
        }
 
        /* Update VM owner at userq submit-time for page-fault attribution. */
@@ -808,7 +808,7 @@ amdgpu_userq_create(struct drm_file *filp, union 
drm_amdgpu_userq *args)
                if (r) {
                        drm_file_err(uq_mgr->file, "Failed to map Queue\n");
                        mutex_unlock(&uq_mgr->userq_mutex);
-                       goto clean_doorbell;
+                       goto erase_doorbell;
                }
        }
 
@@ -831,10 +831,15 @@ amdgpu_userq_create(struct drm_file *filp, union 
drm_amdgpu_userq *args)
        args->out.queue_id = qid;
        return 0;
 
-clean_doorbell:
+erase_doorbell:
        xa_erase_irq(&adev->userq_doorbell_xa, index);
 clean_mqd:
        uq_funcs->mqd_destroy(queue);
+clean_doorbell_bo:
+       amdgpu_bo_reserve(queue->db_obj.obj, true);
+       amdgpu_bo_unpin(queue->db_obj.obj);
+       amdgpu_bo_unreserve(queue->db_obj.obj);
+       amdgpu_bo_unref(&queue->db_obj.obj);
 clean_mapping:
        amdgpu_bo_reserve(fpriv->vm.root.bo, true);
        amdgpu_userq_buffer_vas_list_cleanup(adev, queue);
-- 
2.34.1

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