From e4ec7eadc3477ef3a268070205d44ae8747367df Mon Sep 17 00:00:00 2001
From: Alexandr Morozov <lk4d4math@gmail.com>
Date: Wed, 13 Aug 2014 17:18:37 +0400
Subject: [PATCH] Fix deadlock on failed dial in UDP userland proxy

Signed-off-by: Alexandr Morozov <lk4d4math@gmail.com>
---
 proxy/udp_proxy.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/proxy/udp_proxy.go b/proxy/udp_proxy.go
index 14f2306..ae6a7bb 100644
--- a/proxy/udp_proxy.go
+++ b/proxy/udp_proxy.go
@@ -116,6 +116,7 @@ func (proxy *UDPProxy) Run() {
 			proxyConn, err = net.DialUDP("udp", nil, proxy.backendAddr)
 			if err != nil {
 				log.Printf("Can't proxy a datagram to udp/%s: %s\n", proxy.backendAddr, err)
+				proxy.connTrackLock.Unlock()
 				continue
 			}
 			proxy.connTrackTable[*fromKey] = proxyConn