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ceph: handle kzalloc() failure

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Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Cheng Renquan 2010-03-26 18:04:40 +08:00 committed by Sage Weil
parent 7c315c552c
commit 2d06eeb877
1 changed files with 4 additions and 0 deletions
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4
fs/ceph/mds_client.c
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@ -2631,6 +2631,9 @@ int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client)
mdsc->client = client; mdsc->client = client;
mutex_init(&mdsc->mutex); mutex_init(&mdsc->mutex);
mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS); mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
if (mdsc->mdsmap == NULL)
return -ENOMEM;
init_completion(&mdsc->safe_umount_waiters); init_completion(&mdsc->safe_umount_waiters);
init_completion(&mdsc->session_close_waiters); init_completion(&mdsc->session_close_waiters);
INIT_LIST_HEAD(&mdsc->waiting_for_map); 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); init_waitqueue_head(&mdsc->cap_flushing_wq);
spin_lock_init(&mdsc->dentry_lru_lock); spin_lock_init(&mdsc->dentry_lru_lock);
INIT_LIST_HEAD(&mdsc->dentry_lru); INIT_LIST_HEAD(&mdsc->dentry_lru);
return 0; return 0;
} }