From: Christian Engelmayer <cengelma@gmx.at>
Date: Sat, 11 Jan 2014 00:57:22 +0000 (+0100)
Subject: cifs: Fix memory leak in cifs_hardlink()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=abf9767c823bf57837c2032f21332a6efc38a13e;p=linux-beck.git

cifs: Fix memory leak in cifs_hardlink()

Fix a potential memory leak in the cifs_hardlink() error handling path.
Detected by Coverity: CID 728510, CID 728511.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Steve French <smfrench@gmail.com>
---

diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 92aee08483a5..28bc8ee97056 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -438,8 +438,10 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode,
 						CIFS_MOUNT_MAP_SPECIAL_CHR);
 	else {
 		server = tcon->ses->server;
-		if (!server->ops->create_hardlink)
-			return -ENOSYS;
+		if (!server->ops->create_hardlink) {
+			rc = -ENOSYS;
+			goto cifs_hl_exit;
+		}
 		rc = server->ops->create_hardlink(xid, tcon, from_name, to_name,
 						  cifs_sb);
 		if ((rc == -EIO) || (rc == -EINVAL))