From 0a9521d3212af34b4eecd99b5fd7c1203df0b405 Mon Sep 17 00:00:00 2001
From: Felipe Oliveira <felipeweb.programador@gmail.com>
Date: Fri, 18 Nov 2016 10:57:50 -0200
Subject: [PATCH] fix infinite recursion

Signed-off-by: Felipe Oliveira <felipeweb.programador@gmail.com>
(cherry picked from commit 271b1f27563b18a125b89d2d2629246213dbfd96)
Signed-off-by: Victor Vieux <victorvieux@gmail.com>
---
 registry/auth.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/registry/auth.go b/registry/auth.go
index 5da3563f9b..8cadd51ba0 100644
--- a/registry/auth.go
+++ b/registry/auth.go
@@ -249,7 +249,7 @@ type PingResponseError struct {
 }
 
 func (err PingResponseError) Error() string {
-	return err.Error()
+	return err.Err.Error()
 }
 
 // PingV2Registry attempts to ping a v2 registry and on success return a