From 2d1ded9b9e0e6cec2ca08bafc5e2c13d90a98b58 Mon Sep 17 00:00:00 2001
From: v2ray <admin@v2ray.com>
Date: Wed, 3 Feb 2016 22:42:58 +0100
Subject: [PATCH] fix race condition in shadowsocks

---
 proxy/shadowsocks/shadowsocks.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/proxy/shadowsocks/shadowsocks.go b/proxy/shadowsocks/shadowsocks.go
index dbddaf9c5..633bb217d 100644
--- a/proxy/shadowsocks/shadowsocks.go
+++ b/proxy/shadowsocks/shadowsocks.go
@@ -74,13 +74,13 @@ func (this *Shadowsocks) Listen(port v2net.Port) error {
 	this.tcpHub = tcpHub
 
 	if this.config.UDP {
+		this.udpServer = hub.NewUDPServer(this.packetDispatcher)
 		udpHub, err := hub.ListenUDP(port, this.handlerUDPPayload)
 		if err != nil {
 			log.Error("Shadowsocks: Failed to listen UDP on port ", port, ": ", err)
 			return err
 		}
 		this.udpHub = udpHub
-		this.udpServer = hub.NewUDPServer(this.packetDispatcher)
 	}
 
 	return nil