diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index cfba99b..98fe536 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -592,15 +592,10 @@ out:
 
 static int ipip6_rcv(struct sk_buff *skb)
 {
-	const struct iphdr *iph;
+	const struct iphdr *iph = ip_hdr(skb);
 	struct ip_tunnel *tunnel;
 	int err;
 
-	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
-		goto out;
-
-	iph = ip_hdr(skb);
-
 	tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
 				     iph->saddr, iph->daddr);
 	if (tunnel != NULL) {