Run daemon without config

cmd/meshnamed/main.go

@@ -32,15 +32,16 @@ func main() {
 		logger.EnableLevel("debug")
 	}
 
-	switch {
+	if *genconf != "" {
-	case *genconf != "":
 		confString, err := meshname.GenConf(*genconf, *subdomain)
 		if err != nil {
 			logger.Errorln(err)
 		} else {
 			fmt.Println(confString)
 		}
-	case *useconffile != "":
+		return
+	}
+
 	s := new(meshname.MeshnameServer)
 
 	_, validSubnet, err := net.ParseCIDR(*meshSubnetStr)
@@ -60,13 +61,9 @@ func main() {
 	for {
 		select {
 		case _ = <-c:
-				goto exit
+			return
 		case _ = <-r:
 			s.UpdateConfig()
 		}
 	}
-	default:
-		flag.PrintDefaults()
-	}
-exit:
 }