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@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index b6b5348055f..ad0fbc3128d 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;