502 	u8 rel_code = ICMPV6_ADDR_UNREACH;  in ip6_tnl_err()  local
570 			rel_code = 0;  in ip6_tnl_err()
583 	*code = rel_code;  in ip6_tnl_err()
601 	u8 rel_code = code;  in ip4ip6_err()  local
605 	err = ip6_tnl_err(skb, IPPROTO_IPIP, opt, &rel_type, &rel_code,  in ip4ip6_err()
615 		if (rel_code != ICMPV6_ADDR_UNREACH)  in ip4ip6_err()
618 		rel_code = ICMP_HOST_UNREACH;  in ip4ip6_err()
621 		if (rel_code != 0)  in ip4ip6_err()
624 		rel_code = ICMP_FRAG_NEEDED;  in ip4ip6_err()
671 	if (rel_type == ICMP_DEST_UNREACH && rel_code == ICMP_FRAG_NEEDED) {  in ip4ip6_err()
678 	icmp_send(skb2, rel_type, rel_code, htonl(rel_info));  in ip4ip6_err()
692 	u8 rel_code = code;  in ip6ip6_err()  local
694 	err = ip6_tnl_err(skb, IPPROTO_IPV6, opt, &rel_type, &rel_code,  in ip6ip6_err()
717 		icmpv6_send(skb2, rel_type, rel_code, rel_info);  in ip6ip6_err()
734 	u8 rel_code = code;  in mplsip6_err()  local
736 	err = ip6_tnl_err(skb, IPPROTO_MPLS, opt, &rel_type, &rel_code,  in mplsip6_err()