[3.11.y.z extended stable] Patch "libceph: create_singlethread_workqueue() doesn't return ERR_PTRs" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    libceph: create_singlethread_workqueue() doesn't return ERR_PTRs

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 9d29c02dddb73997460742c5a8b56fa891e2d084 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Thu, 15 Aug 2013 08:58:59 +0300
Subject: 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 at oracle.com>
Reviewed-by: Sage Weil <sage at inktank.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 net/ceph/osd_client.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 56f1fe5..0c49ec4 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:
--
1.8.3.2