diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index eb0ff7ab05ed3a1d4062522cf6f58846c82e3fcd..fc4242c0767ca581df99a61968b9581a9e0f2cae 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -277,7 +277,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	__u64 seq;
 
 	sk = inet6_lookup(&dccp_hashinfo, &hdr->daddr, dh->dccph_dport,
-			  &hdr->saddr, dh->dccph_sport, skb->dev->ifindex);
+			  &hdr->saddr, dh->dccph_sport, inet6_iif(skb));
 
 	if (sk == NULL) {
 		ICMP6_INC_STATS_BH(__in6_dev_get(skb->dev), ICMP6_MIB_INERRORS);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index e0c3934a7e4bd82b81135e0e48f097299b3a2510..c83f23e51c469a11bd388eab97b9d80a345db876 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -242,14 +242,13 @@ static void udpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 {
 	struct ipv6_pinfo *np;
 	struct ipv6hdr *hdr = (struct ipv6hdr*)skb->data;
-	struct net_device *dev = skb->dev;
 	struct in6_addr *saddr = &hdr->saddr;
 	struct in6_addr *daddr = &hdr->daddr;
 	struct udphdr *uh = (struct udphdr*)(skb->data+offset);
 	struct sock *sk;
 	int err;
 
-	sk = udp_v6_lookup(daddr, uh->dest, saddr, uh->source, dev->ifindex);
+	sk = udp_v6_lookup(daddr, uh->dest, saddr, uh->source, inet6_iif(skb));
    
 	if (sk == NULL)
 		return;
@@ -348,7 +347,7 @@ static void udpv6_mcast_deliver(struct udphdr *uh,
 
 	read_lock(&udp_hash_lock);
 	sk = sk_head(&udp_hash[ntohs(uh->dest) & (UDP_HTABLE_SIZE - 1)]);
-	dif = skb->dev->ifindex;
+	dif = inet6_iif(skb);
 	sk = udp_v6_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
 	if (!sk) {
 		kfree_skb(skb);
@@ -429,7 +428,7 @@ static int udpv6_rcv(struct sk_buff **pskb)
 	 * check socket cache ... must talk to Alan about his plans
 	 * for sock caches... i'll skip this for now.
 	 */
-	sk = udp_v6_lookup(saddr, uh->source, daddr, uh->dest, dev->ifindex);
+	sk = udp_v6_lookup(saddr, uh->source, daddr, uh->dest, inet6_iif(skb));
 
 	if (sk == NULL) {
 		if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))