From c4d54fab1444170beb5faf6e20b1bb1a87abb933 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 2 Dec 2011 14:13:15 +1100
Subject: [PATCH] ipc/mqueue: lock() => unlock() typo

There was a double lock typo introduced in b085f4bd6b21 "user namespace:
make signal.c respect user namespaces"

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 ipc/mqueue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 691cfee652f9..c246c8307ee7 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -558,7 +558,7 @@ static void __do_notify(struct mqueue_inode_info *info)
 						ns_of_pid(info->notify_owner));
 			sig_i.si_uid = user_ns_map_uid(info->user->user_ns,
 						current_cred(), current_uid());
-			rcu_read_lock();
+			rcu_read_unlock();
 
 			kill_pid_info(info->notify.sigev_signo,
 				      &sig_i, info->notify_owner);
-- 
2.39.5