network: route: handle null address with non-zero prefixlen correctly

Previously, even if a link has a route to e.g. ::/96, default gateway via ::1.2.3.4 cannot be configured.
2021-12-06 19:16:17 +09:00
parent b489d6a26e
commit cf477495d6
1 changed files with 1 additions and 1 deletions
@@ -116,7 +116,7 @@ static bool link_address_is_reachable(Link *link, int family, const union in_add
                        continue;
                if (route->family != family)
                        continue;
-                if (!in_addr_is_set(route->family, &route->dst))
+                if (!in_addr_is_set(route->family, &route->dst) && route->dst_prefixlen == 0)
                        continue;
                if (in_addr_prefix_covers(family, &route->dst, route->dst_prefixlen, address) > 0)
                        return true;