drm/amdkfd: Fix a memory leak in queue creation error handling

When the queue creation failed, some resources were not freed. Fix it.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c

@@ -329,6 +329,9 @@ int pqm_create_queue(struct process_queue_manager *pqm,
 	return retval;
 
 err_create_queue:
+	uninit_queue(q);
+	if (kq)
+		kernel_queue_uninit(kq, false);
 	kfree(pqn);
 err_allocate_pqn:
 	/* check if queues list is empty unregister process from device */