From 48639ddb983458eb20900715d8804d52424fad10 Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Mon, 13 Feb 2017 23:03:36 +0100
Subject: [PATCH] fix a bug in udp hub

---
 transport/internet/udp/hub.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/transport/internet/udp/hub.go b/transport/internet/udp/hub.go
index 628549ef..689e6898 100644
--- a/transport/internet/udp/hub.go
+++ b/transport/internet/udp/hub.go
@@ -130,7 +130,14 @@ func (v *Hub) WriteTo(payload []byte, dest v2net.Destination) (int, error) {
 
 func (v *Hub) start(ctx context.Context) {
 	oobBytes := make([]byte, 256)
-	for range ctx.Done() {
+L:
+	for {
+		select {
+		case <-ctx.Done():
+			break L
+		default:
+		}
+
 		buffer := buf.NewSmall()
 		var noob int
 		var addr *net.UDPAddr