inet: prepare net on the stack for NET accounting macros

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index eec3c47..83cc9bb 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -93,8 +93,9 @@
 	struct sock *sk;
 	int err;
 	__u64 seq;
+	struct net *net = dev_net(skb->dev);
 
-	sk = inet6_lookup(dev_net(skb->dev), &dccp_hashinfo,
+	sk = inet6_lookup(net, &dccp_hashinfo,
 			&hdr->daddr, dh->dccph_dport,
 			&hdr->saddr, dh->dccph_sport, inet6_iif(skb));