From 4b3ca38b2e8aa07f6fecbba0cc150b1fab9227e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Fri, 17 Feb 2017 14:24:56 +0100
Subject: [PATCH] tplimpl: Fix data race in resGetResource

Fixes #3045
---
 tpl/tplimpl/template_resources.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tpl/tplimpl/template_resources.go b/tpl/tplimpl/template_resources.go
index 2b3d7120c..48a79d066 100644
--- a/tpl/tplimpl/template_resources.go
+++ b/tpl/tplimpl/template_resources.go
@@ -49,8 +49,8 @@ func (l *remoteLock) URLLock(url string) {
 	if _, ok := l.m[url]; !ok {
 		l.m[url] = &sync.Mutex{}
 	}
-	l.Unlock() // call this Unlock before the next lock will be called. NFI why but defer doesn't work.
 	l.m[url].Lock()
+	l.Unlock()
 }
 
 // URLUnlock unlocks an URL when the download has been finished. Use only in defer calls.