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From: Christian Engelmayer <cengelma-RbZlAiThDcE@public.gmane.org>
To: Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] cifs: Fix memory leak in cifs_hardlink()
Date: Sat, 11 Jan 2014 01:57:22 +0100	[thread overview]
Message-ID: <20140111015722.2c8eb2f6@spike> (raw)

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-RbZlAiThDcE@public.gmane.org>
---
 fs/cifs/link.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 92aee08..28bc8ee 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))
-- 
1.8.3.2

             reply	other threads:[~2014-01-11  0:57 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-11  0:57 Christian Engelmayer [this message]
2014-01-13 15:48 ` [PATCH] cifs: Fix memory leak in cifs_hardlink() Steve French

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