ndp: detect ifindex changes via interface netlink events

[project/odhcpd.git] / src / config.c

diff --git a/src/config.c b/src/config.c
index fd8f32e..e79f9ce 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -440,10 +440,11 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
 
                if (!iface->ifname)
                        goto err;
-       }
 
-       if ((iface->ifindex = if_nametoindex(iface->ifname)) <= 0)
-               goto err;
+               if (!iface->ifindex &&
+                   (iface->ifindex = if_nametoindex(iface->ifname)) <= 0)
+                       goto err;
+       }
 
        if (get_addrs) {
                ssize_t len = odhcpd_get_interface_addresses(iface->ifindex,