ceph: fix msgr_init error path

create_workqueue() returns NULL on failure.

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

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 1c7a2ec4f3cc81ee608821ddf589fc0b27db4dcc..b6ff4a1519ab664c43d9bff871dc95d8efb52daa 100644 (file)
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -97,11 +97,9 @@ struct workqueue_struct *ceph_msgr_wq;
 int ceph_msgr_init(void)
 {
        ceph_msgr_wq = create_workqueue("ceph-msgr");
-       if (IS_ERR(ceph_msgr_wq)) {
-               int ret = PTR_ERR(ceph_msgr_wq);
-               pr_err("msgr_init failed to create workqueue: %d\n", ret);
-               ceph_msgr_wq = NULL;
-               return ret;
+       if (!ceph_msgr_wq) {
+               pr_err("msgr_init failed to create workqueue\n");
+               return -ENOMEM;
        }
        return 0;
 }