From: Sagi Grimberg <sagi@grimberg.me>
Date: Mon, 13 Nov 2017 23:29:05 +0200
Subject: nvmet-rdma: removed queue cleanup from module exit
Patch-mainline: v4.16-rc1
Git-commit: cb4876e8ce1c6d78306c206df1970748ebb89025
References: FATE#323952, FATE#322506

We already do that when we are notified in device removal
which is triggered when unregistering as an ib client.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/nvme/target/rdma.c |   18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -1558,25 +1558,9 @@ err_ib_client:
 
 static void __exit nvmet_rdma_exit(void)
 {
-	struct nvmet_rdma_queue *queue;
-
 	nvmet_unregister_transport(&nvmet_rdma_ops);
-
-	flush_scheduled_work();
-
-	mutex_lock(&nvmet_rdma_queue_mutex);
-	while ((queue = list_first_entry_or_null(&nvmet_rdma_queue_list,
-			struct nvmet_rdma_queue, queue_list))) {
-		list_del_init(&queue->queue_list);
-
-		mutex_unlock(&nvmet_rdma_queue_mutex);
-		__nvmet_rdma_queue_disconnect(queue);
-		mutex_lock(&nvmet_rdma_queue_mutex);
-	}
-	mutex_unlock(&nvmet_rdma_queue_mutex);
-
-	flush_scheduled_work();
 	ib_unregister_client(&nvmet_rdma_ib_client);
+	WARN_ON_ONCE(!list_empty(&nvmet_rdma_queue_list));
 	ida_destroy(&nvmet_rdma_queue_ida);
 }