confile: config_network_ipv4()

src/lxc/confile.c

@@ -755,7 +755,7 @@ static int config_network_ipv4(const char *key, const char *value,
 	struct lxc_list *list;
 	char *cursor, *slash, *addr = NULL, *bcast = NULL, *prefix = NULL;
 
-	if (!value || !strlen(value))
+	if (config_value_empty(value))
 		return lxc_clear_config_item(lxc_conf, key);
 
 	netdev = network_netdev(key, value, &lxc_conf->network);