[NETNS]: Don't initialize err variable twice.

The ip6_route_net_init() performs some unneeded actions.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1f42bc9..a493ad9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2614,9 +2614,8 @@
 
 static int ip6_route_net_init(struct net *net)
 {
-	int ret = 0;
+	int ret = -ENOMEM;
 
-	ret = -ENOMEM;
 	net->ipv6.ip6_dst_ops = kmemdup(&ip6_dst_ops_template,
 					sizeof(*net->ipv6.ip6_dst_ops),
 					GFP_KERNEL);