check for listen errors (fixes #232)

jpillora · Jan 13, 2021 · 87675c4 · 87675c4
1 parent 2092107
commit 87675c4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/server/server_listen.go b/server/server_listen.go
@@ -45,6 +45,9 @@ func (s *Server) listener(host, port string) (net.Listener, error) {
 	}
 	//tcp listen
 	l, err := net.Listen("tcp", host+":"+port)
+	if err != nil {
+		return nil, err
+	}
 	//optionally wrap in tls
 	proto := "http"
 	if tlsConf != nil {