diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 1d2902e..4b4890b 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -399,7 +399,7 @@
 	int err = 0;
 
 	if ((u8 *)hdr < skb->head ||
-	    (skb->network_header + sizeof(*hdr)) > skb->tail)
+	    (skb_network_header(skb) + sizeof(*hdr)) > skb_tail_pointer(skb))
 		return;
 
 	/*