From e837470a6a6b4e8473e52c10381ceccd7b76a808 Mon Sep 17 00:00:00 2001
From: Dreamacro <305009791@qq.com>
Date: Thu, 16 May 2019 18:40:20 +0800
Subject: [PATCH] Fix: udp crash in tunnel

---
 tunnel/tunnel.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tunnel/tunnel.go b/tunnel/tunnel.go
index 1a95eefa..faeaf46d 100644
--- a/tunnel/tunnel.go
+++ b/tunnel/tunnel.go
@@ -159,10 +159,11 @@ func (t *Tunnel) handleConn(localConn C.ServerAdapter) {
 
 	if metadata.NetWork == C.UDP {
 		pc, addr, err := proxy.DialUDP(metadata)
-		defer pc.Close()
 		if err != nil {
 			log.Warnln("Proxy[%s] connect [%s --> %s] error: %s", proxy.Name(), metadata.SrcIP.String(), metadata.String(), err.Error())
+			return
 		}
+		defer pc.Close()
 
 		t.handleUDPOverTCP(localConn, pc, addr)
 		return