linux-kernel - [PATCH 3.10 100/129] ceph: Free mdsc if alloc mdsc->mdsmap failed.

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Message-Id: <20140106223902.467516861@linuxfoundation.org>
Date:	Mon,  6 Jan 2014 14:38:49 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jianpeng Ma <majianpeng@...il.com>,
	Sage Weil <sage@...tank.com>
Subject: [PATCH 3.10 100/129] ceph: Free mdsc if alloc mdsc->mdsmap failed.

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: majianpeng <majianpeng@...il.com>

commit fb3101b6f0db9ae3f35dc8e6ec908d0af8cdf12e upstream.

Signed-off-by: Jianpeng Ma <majianpeng@...il.com>
Reviewed-by: Sage Weil <sage@...tank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/ceph/mds_client.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- 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->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);


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