From 3536c09ceaa2d94a43a3a3228b096ba7a61f558d Mon Sep 17 00:00:00 2001
From: Alexander Morozov <lk4d4@docker.com>
Date: Tue, 22 Mar 2016 11:21:38 -0700
Subject: [PATCH] volume/local: fix race in List

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
---
 volume/local/local.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/volume/local/local.go b/volume/local/local.go
index b154a36e7b..88a41afb51 100644
--- a/volume/local/local.go
+++ b/volume/local/local.go
@@ -117,9 +117,11 @@ type Root struct {
 // List lists all the volumes
 func (r *Root) List() ([]volume.Volume, error) {
 	var ls []volume.Volume
+	r.m.Lock()
 	for _, v := range r.volumes {
 		ls = append(ls, v)
 	}
+	r.m.Unlock()
 	return ls, nil
 }