From 1c1c2ae48b8e2d2b3e1ab7bb4fc6ca1f2ed565ea Mon Sep 17 00:00:00 2001
From: Anthony Romano <anthony.romano@coreos.com>
Date: Wed, 25 Jan 2017 19:23:10 -0800
Subject: [PATCH] embed: reject binding listeners to domain names

Fixes #6336
---
 embed/config.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/embed/config.go b/embed/config.go
index ed647a0637b9..2772f518ee7f 100644
--- a/embed/config.go
+++ b/embed/config.go
@@ -405,8 +405,7 @@ func checkBindURLs(urls []url.URL) error {
 			continue
 		}
 		if net.ParseIP(host) == nil {
-			err := fmt.Errorf("expected IP in URL for binding (%s)", url.String())
-			plog.Warning(err)
+			return fmt.Errorf("expected IP in URL for binding (%s)", url.String())
 		}
 	}
 	return nil