From: majianpeng <majianpeng@gmail.com>
Date: Tue, 25 Jun 2013 06:48:19 +0000 (+0800)
Subject: ceph: Free mdsc if alloc mdsc->mdsmap failed.
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=d5f9a684f9f21324fa58e97be127589db6c06a56;p=linux-edison.git

ceph: Free mdsc if alloc mdsc->mdsmap failed.

commit fb3101b6f0db9ae3f35dc8e6ec908d0af8cdf12e upstream.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 1ce14c18c46..63c789eb1e3 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3044,8 +3044,10 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc)
 	fsc->mdsc = mdsc;
 	mutex_init(&mdsc->mutex);
 	mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
-	if (mdsc->mdsmap == NULL)
+	if (mdsc->mdsmap == NULL) {
+		kfree(mdsc);
 		return -ENOMEM;
+	}
 
 	init_completion(&mdsc->safe_umount_waiters);
 	init_waitqueue_head(&mdsc->session_close_wq);