From 7b4fec3251eb3c770dc8baa79df8eec5403dabb2 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 17 Jan 2009 06:47:12 +0000
Subject: NET: net_namespace, fix lock imbalance

commit 357f5b0b91054ae23385ea4b0634bb8b43736e83 upstream.

register_pernet_gen_subsys omits mutex_unlock in one fail path.
Fix it.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 net/core/net_namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 1895a4ca9c4f..0bc398c407f4 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -342,8 +342,8 @@ again:
 	rv = register_pernet_operations(first_device, ops);
 	if (rv < 0)
 		ida_remove(&net_generic_ids, *id);
-	mutex_unlock(&net_mutex);
 out:
+	mutex_unlock(&net_mutex);
 	return rv;
 }
 EXPORT_SYMBOL_GPL(register_pernet_gen_subsys);
-- 
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