From 7ae26b74bcd4631279c50c88bb74d11723712e9c Mon Sep 17 00:00:00 2001
From: Nikolay Sivko <n.sivko@gmail.com>
Date: Fri, 4 Aug 2017 01:11:35 +0300
Subject: [PATCH] stop ConnPool.tryDial goroutine if pool was closed

---
 internal/pool/pool.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/pool/pool.go b/internal/pool/pool.go
index a4e65084..c769e01f 100644
--- a/internal/pool/pool.go
+++ b/internal/pool/pool.go
@@ -119,6 +119,9 @@ func (p *ConnPool) NewConn() (*Conn, error) {
 
 func (p *ConnPool) tryDial() {
 	for {
+		if p.closed() {
+			return
+		}
 		conn, err := p.opt.Dialer()
 		if err != nil {
 			p.setLastDialError(err)