linux-kernel - [PATCH] cifs: put tlink before return

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Message-Id: <20210120112551.60092-1-bianpan2016@163.com>
Date:   Wed, 20 Jan 2021 03:25:51 -0800
From:   Pan Bian <bianpan2016@....com>
To:     Steve French <sfrench@...ba.org>,
        Pavel Shilovsky <pshilovsky@...ba.org>
Cc:     linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
        linux-kernel@...r.kernel.org, Pan Bian <bianpan2016@....com>
Subject: [PATCH] cifs: put tlink before return

Put tlink before returning error code.

Fixes: 8ceb98437946 ("CIFS: Move rename to ops struct")
Signed-off-by: Pan Bian <bianpan2016@....com>
---
 fs/cifs/inode.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index a83b3a8ffaac..9c31b6178638 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2020,8 +2020,10 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
 	tcon = tlink_tcon(tlink);
 	server = tcon->ses->server;
 
-	if (!server->ops->rename)
+	if (!server->ops->rename) {
+		cifs_put_tlink(tlink);
 		return -ENOSYS;
+	}
 
 	/* try path-based rename first */
 	rc = server->ops->rename(xid, tcon, from_path, to_path, cifs_sb);
-- 
2.17.1