diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3895d91..d58b83a 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -323,8 +323,9 @@
 	int err;
 	struct tcp_sock *tp;
 	__u32 seq;
+	struct net *net = dev_net(skb->dev);
 
-	sk = inet6_lookup(dev_net(skb->dev), &tcp_hashinfo, &hdr->daddr,
+	sk = inet6_lookup(net, &tcp_hashinfo, &hdr->daddr,
 			th->dest, &hdr->saddr, th->source, skb->dev->ifindex);
 
 	if (sk == NULL) {