From bc081a03d85a88cc2160ade9256d96d7b84c4caa Mon Sep 17 00:00:00 2001
From: Dan Walsh <dwalsh@redhat.com>
Date: Mon, 19 May 2014 17:18:53 -0400
Subject: [PATCH] docker '' causes a golang crash.

This patch fixes the problem.

Docker-DCO-1.1-Signed-off-by: Daniel Walsh <dwalsh@redhat.com> (github: rhatdan)
---
 api/client/cli.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/api/client/cli.go b/api/client/cli.go
index 49fb3c978f..44cff0dc46 100644
--- a/api/client/cli.go
+++ b/api/client/cli.go
@@ -23,6 +23,9 @@ var funcMap = template.FuncMap{
 }
 
 func (cli *DockerCli) getMethod(name string) (func(...string) error, bool) {
+	if len(name) == 0 {
+		return nil, false
+	}
 	methodName := "Cmd" + strings.ToUpper(name[:1]) + strings.ToLower(name[1:])
 	method := reflect.ValueOf(cli).MethodByName(methodName)
 	if !method.IsValid() {