From 8b77e0183eaa7b3a87921f9655e2799d300bf775 Mon Sep 17 00:00:00 2001
From: Erik Hollensbe <github@hollensbe.org>
Date: Tue, 27 May 2014 12:04:20 -0700
Subject: [PATCH] Fix race condition in CLI tests: diff was not acquiring a
 container lock

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
---
 daemon/container.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/daemon/container.go b/daemon/container.go
index 2ae263289d..a4bc835390 100644
--- a/daemon/container.go
+++ b/daemon/container.go
@@ -672,6 +672,8 @@ func (container *Container) Mount() error {
 }
 
 func (container *Container) Changes() ([]archive.Change, error) {
+	container.Lock()
+	defer container.Unlock()
 	return container.daemon.Changes(container)
 }