From: Sagi Grimberg <sagi@grimberg.me>
Date: Thu, 4 May 2017 13:33:12 +0300
Subject: nvme: Don't allow to reset a reconnecting controller
Patch-mainline: v4.13-rc1
Git-commit: c58bd1bf4d46a020b7a1aa0710bca8191d789caa
References: FATE#323952, FATE#322506

The reset operation is guaranteed to fail for all scenarios
but the esoteric case where in the last reconnect attempt
concurrent with the reset we happen to successfully reconnect.

We just deny initiating a reset if we are reconnecting.

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
---
 drivers/nvme/host/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 75a865d6719c..80902de33684 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -157,7 +157,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
 		switch (old_state) {
 		case NVME_CTRL_NEW:
 		case NVME_CTRL_LIVE:
-		case NVME_CTRL_RECONNECTING:
 			changed = true;
 			/* FALLTHRU */
 		default:
-- 
2.12.3