libceph: create_singlethread_workqueue() doesn't return ERR_PTRs

commit dbcae088fa660086bde6e10d63bb3c9264832d85 upstream.

create_singlethread_workqueue() returns NULL on error, and it doesn't
return ERR_PTRs.

I tweaked the error handling a little to be consistent with earlier in
the function.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 4 deletions

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 311161eac5c4..ac34cb5120ed 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -2257,12 +2257,10 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
         if (err < 0)
                 goto out_msgpool;
 
+        err = -ENOMEM;
         osdc->notify_wq = create_singlethread_workqueue("ceph-watch-notify");
-        if (IS_ERR(osdc->notify_wq)) {
-                err = PTR_ERR(osdc->notify_wq);
-                osdc->notify_wq = NULL;
+        if (!osdc->notify_wq)
                 goto out_msgpool;
-        }
         return 0;
 
 out_msgpool: