From: Max Gurtovoy <maxg@mellanox.com>
Date: Thu, 28 Mar 2019 10:54:03 +0000 (+0200)
Subject: nvmet: fix error flow during ns enable
X-Git-Tag: v5.1-rc3~26^2^2
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=a536b49785759bf99465fdf6e248d34322123fcd;p=people%2Froyger%2Flinux.git

nvmet: fix error flow during ns enable

In case we fail to enable p2pmem on the current namespace, disable the
backing store device before exiting.

Cc: Stephen Bates <sbates@raithlin.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 2d73b66e3686..b3e765a95af8 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -509,7 +509,7 @@ int nvmet_ns_enable(struct nvmet_ns *ns)
 
 	ret = nvmet_p2pmem_ns_enable(ns);
 	if (ret)
-		goto out_unlock;
+		goto out_dev_disable;
 
 	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry)
 		nvmet_p2pmem_ns_add_p2p(ctrl, ns);
@@ -550,7 +550,7 @@ out_unlock:
 out_dev_put:
 	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry)
 		pci_dev_put(radix_tree_delete(&ctrl->p2p_ns_map, ns->nsid));
-
+out_dev_disable:
 	nvmet_ns_dev_disable(ns);
 	goto out_unlock;
 }