diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index b8db453..6032523 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -794,10 +794,10 @@
 	dif = inet6_iif(skb);
 	sk = udp_v6_mcast_next(net, sk, uh->dest, daddr, uh->source, saddr, dif);
 	while (sk) {
-		/* If zero checksum and sk_no_check is not on for
+		/* If zero checksum and no_check is not on for
 		 * the socket then skip it.
 		 */
-		if (uh->check || sk->sk_no_check_rx)
+		if (uh->check || udp_sk(sk)->no_check6_rx)
 			stack[count++] = sk;
 
 		sk = udp_v6_mcast_next(net, sk_nulls_next(sk), uh->dest, daddr,
@@ -887,7 +887,7 @@
 	if (sk != NULL) {
 		int ret;
 
-		if (!uh->check && !sk->sk_no_check_rx) {
+		if (!uh->check && !udp_sk(sk)->no_check6_rx) {
 			sock_put(sk);
 			udp6_csum_zero_error(skb);
 			goto csum_error;
@@ -1037,7 +1037,7 @@
 
 	if (is_udplite)
 		csum = udplite_csum_outgoing(sk, skb);
-	else if (sk->sk_no_check_tx) {   /* UDP csum disabled */
+	else if (up->no_check6_tx) {   /* UDP csum disabled */
 		skb->ip_summed = CHECKSUM_NONE;
 		goto send;
 	} else if (skb->ip_summed == CHECKSUM_PARTIAL) { /* UDP hardware csum */