nvme-loop: always quiesce and cancel commands before destroying admin q

Once ->init_ctrl_finish() is called there may be commands outstanding,
so we should quiesce the admin queue and cancel all commands prior
to call nvme_loop_destroy_admin_queue().

Signed-off-by: Hannes Reinecke <[e-mail]>
Tested-by: Mark O'Donovan <[e-mail]>
Signed-off-by: Keith Busch <[e-mail]>

drivers/nvme/target/loop.c

···
 out_destroy_io:
 	nvme_loop_destroy_io_queues(ctrl);
 out_destroy_admin:
+	nvme_quiesce_admin_queue(&ctrl->ctrl);
+	nvme_cancel_admin_tagset(&ctrl->ctrl);
 	nvme_loop_destroy_admin_queue(ctrl);
 out_disable:
 	dev_warn(ctrl->ctrl.device, "Removing after reset failure\n");
···
 	return &ctrl->ctrl;
 
 out_remove_admin_queue:
+	nvme_quiesce_admin_queue(&ctrl->ctrl);
+	nvme_cancel_admin_tagset(&ctrl->ctrl);
 	nvme_loop_destroy_admin_queue(ctrl);
 out_free_queues:
 	kfree(ctrl->queues);