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Subject[PATCH 5.0 093/101] nvmet: fix error flow during ns enable
Date
[ Upstream commit a536b49785759bf99465fdf6e248d34322123fcd ]

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>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
---
drivers/nvme/target/core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 02c63c463222..7bad21a2283f 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -517,7 +517,7 @@ 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);
@@ -558,7 +558,7 @@ int nvmet_ns_enable(struct nvmet_ns *ns)
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;
}
--
2.19.1


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