network: dhcp4: ignore null dns address

This commit is contained in:
Yu Watanabe 2021-04-13 16:24:52 +09:00
parent afe23f876e
commit 3e42968342

View file

@ -519,6 +519,9 @@ static int link_set_dns_routes(Link *link, const struct in_addr *gw) {
route->mtu = link->network->dhcp_route_mtu;
for (int i = 0; i < n; i ++) {
if (in4_addr_is_null(&dns[i]))
continue;
route->dst.in = dns[i];
r = dhcp_route_configure_auto(route, link, gw);