--- linux/net/ipv6/sit.c.old_iph6	Sat Jul 12 11:09:29 2003
+++ linux/net/ipv6/sit.c	Wed Jul 16 02:23:06 2003
@@ -550,6 +550,7 @@
 			skb_set_owner_w(new_skb, skb->sk);
 		dev_kfree_skb(skb);
 		skb = new_skb;
+		iph6 = skb->nh.ipv6h;
 	}
 
 	skb->nh.raw = skb_push(skb, sizeof(struct iphdr));