From e8602ee718866c83bf58e5cbe32ab1ab6b916969 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p@janouch.name>
Date: Mon, 23 Jul 2018 05:33:50 +0200
Subject: [PATCH] tls-autodetect: avoid a goroutine leak on timeout

---
 prototypes/tls-autodetect.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/prototypes/tls-autodetect.go b/prototypes/tls-autodetect.go
index 3ff4128..4ce665b 100644
--- a/prototypes/tls-autodetect.go
+++ b/prototypes/tls-autodetect.go
@@ -322,7 +322,7 @@ func prepare(client *client) {
 
 	// The Cgo resolver doesn't pthread_cancel getnameinfo threads, so not
 	// bothering with pointless contexts.
-	ch := make(chan string)
+	ch := make(chan string, 1)
 	go func() {
 		defer close(ch)
 		if names, err := net.LookupAddr(host); err != nil {