From 2d06eeb877581a7f53209af1582c5f66c799f0bd Mon Sep 17 00:00:00 2001 From: Cheng Renquan Date: Fri, 26 Mar 2010 18:04:40 +0800 Subject: [PATCH] ceph: handle kzalloc() failure Signed-off-by: Cheng Renquan Signed-off-by: Sage Weil --- fs/ceph/mds_client.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index ccb4141e306f..d549ab3adfda 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -2631,6 +2631,9 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client) mdsc->client = client; mutex_init(&mdsc->mutex); mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS); + if (mdsc->mdsmap == NULL) + return -ENOMEM; + init_completion(&mdsc->safe_umount_waiters); init_completion(&mdsc->session_close_waiters); INIT_LIST_HEAD(&mdsc->waiting_for_map); @@ -2656,6 +2659,7 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client) init_waitqueue_head(&mdsc->cap_flushing_wq); spin_lock_init(&mdsc->dentry_lru_lock); INIT_LIST_HEAD(&mdsc->dentry_lru); + return 0; } -- 2.20.1