linux-kernel - [patch] ceph: handle kmalloc() failure

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Message-ID: <20100320123015.GA29929@bicker>
Date:	Sat, 20 Mar 2010 15:30:16 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Sage Weil <sage@...dream.net>
Cc:	Yehuda Sadeh <yehuda@...newdream.net>,
	ceph-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] ceph: handle kmalloc() failure

Return ERR_PTR(-ENOMEM) if kmalloc() fails.  We handle allocation 
failures the same way later in the function.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a260010..655b005 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -328,6 +328,8 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
 	struct ceph_mds_session *s;
 
 	s = kzalloc(sizeof(*s), GFP_NOFS);
+	if (!s)
+		return ERR_PTR(-ENOMEM);
 	s->s_mdsc = mdsc;
 	s->s_mds = mds;
 	s->s_state = CEPH_MDS_SESSION_NEW;
--
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