[patch] ceph: create_workqueue() doesn't return ERR_PTR

[Dan Carpenter]

create_workqueue() returns a NULL pointer on errors.

Signed-off-by: Dan Carpenter <erro...@gmail.com>

diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 15167b2..d959dba 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -94,11 +94,9 @@ struct workqueue_struct *ceph_msgr_wq;
 int __init 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;
 }
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