From: Keith Busch <kbusch@kernel.org>
Date: Thu, 9 Apr 2020 09:09:00 -0700
Subject: [PATCH] nvme: release namespace head reference on error
Git-commit: ac262508daa88fb12c5dc53cf30bde163f9f26c9
Patch-mainline: v5.8-rc1
References: bsc#1159058
If a namespace identification does not match the subsystem's head for
that NSID, release the reference that was taken when the matching head
was initially found.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/nvme/host/core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 15b9e60be204..f2dc89dd2e1c 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3503,6 +3503,7 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
"IDs don't match for shared namespace %d\n",
nsid);
ret = -EINVAL;
+ nvme_put_ns_head(head);
goto out_unlock;
}
}
--
2.16.4