From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 17 Jan 2009 06:47:12 +0000 (+0000)
Subject: NET: net_namespace, fix lock imbalance
X-Git-Tag: v2.6.29-rc3~23^2~46
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=357f5b0b91054ae23385ea4b0634bb8b43736e83;p=linux-2.6-omap-h63xx.git

NET: net_namespace, fix lock imbalance

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>
---

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 55cffad2f32..55151faaf90 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -341,8 +341,8 @@ 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);