From 9decd4d0ace451c8b50749cceb31b28ebbc20741 Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Tue, 24 Nov 2015 17:33:25 +0200
Subject: [PATCH] Properly handle negative timeouts in client's DoTimeout

---
 client.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client.go b/client.go
index b2522df..898fa05 100644
--- a/client.go
+++ b/client.go
@@ -454,6 +454,10 @@ func (c *HostClient) DoTimeout(req *Request, resp *Response, timeout time.Durati
 }
 
 func clientDoTimeout(req *Request, resp *Response, timeout time.Duration, c clientDoer) error {
+	if timeout <= 0 {
+		return ErrTimeout
+	}
+
 	deadline := time.Now().Add(timeout)
 	for {
 		err := clientDoTimeoutFreeConn(req, resp, timeout, c)