Julius R. Volz wrote:

+#ifdef CONFIG_IP_VS_IPV6
+		struct in6_addr zero_addr = { .s6_addr32 = {0, 0, 0, 0} };
+		if (usvc->af == AF_INET6 && !usvc->fwmark &&
+		    ipv6_addr_equal(&usvc->addr.v6,&zero_addr) && !usvc->port) {
+			ret = ip_vs_zero_all();
+			goto out_unlock;
+		}

You can change this ipv6_addr_equal() to ipv6_addr_any(&usvc->addr.v6) 
and get rid of the zero_addr variable mess.

-Brian