Now when rt6_nexthop() can return nexthop address we can use it
for proper nexthop comparison of directly connected destinations.
For more information refer to commit 
bbb5823cf742a7
("netfilter: nf_conntrack: fix rt_gateway checks for H.323 helper").
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
                                   flowi6_to_flowi(&fl1), false)) {
                        if (!afinfo->route(&init_net, (struct dst_entry **)&rt2,
                                           flowi6_to_flowi(&fl2), false)) {
-                               if (!memcmp(&rt1->rt6i_gateway, &rt2->rt6i_gateway,
-                                           sizeof(rt1->rt6i_gateway)) &&
+                               if (ipv6_addr_equal(rt6_nexthop(rt1),
+                                                   rt6_nexthop(rt2)) &&
                                    rt1->dst.dev == rt2->dst.dev)
                                        ret = 1;
                                dst_release(&rt2->dst);