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>

1 files changed, 4 insertions, 2 deletions

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))