From: Christoph Hellwig <hch@lst.de>
Date: Sun, 29 Oct 2017 10:44:28 +0200
Subject: nvme-fc: merge __nvme_fc_schedule_delete_work into __nvme_fc_del_ctrl
Patch-mainline: v4.15-rc1
Git-commit: 29c09648734b94e42802f021658a47361169403b
References: FATE#323952, FATE#322506

No need to have two functions doing the same thing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/nvme/host/fc.c |   20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -2663,22 +2663,14 @@ nvme_fc_delete_ctrl_work(struct work_str
 	nvme_put_ctrl(&ctrl->ctrl);
 }
 
-static bool
-__nvme_fc_schedule_delete_work(struct nvme_fc_ctrl *ctrl)
-{
-	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING))
-		return true;
-
-	if (!queue_work(nvme_wq, &ctrl->delete_work))
-		return true;
-
-	return false;
-}
-
 static int
 __nvme_fc_del_ctrl(struct nvme_fc_ctrl *ctrl)
 {
-	return __nvme_fc_schedule_delete_work(ctrl) ? -EBUSY : 0;
+	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING))
+		return -EBUSY;
+	if (!queue_work(nvme_wq, &ctrl->delete_work))
+		return -EBUSY;
+	return 0;
 }
 
 /*
@@ -2724,7 +2716,7 @@ nvme_fc_reconnect_or_delete(struct nvme_
 				"NVME-FC{%d}: Max reconnect attempts (%d) "
 				"reached. Removing controller\n",
 				ctrl->cnum, ctrl->ctrl.nr_reconnects);
-		WARN_ON(__nvme_fc_schedule_delete_work(ctrl));
+		WARN_ON(__nvme_fc_del_ctrl(ctrl));
 	}
 }