From 5407924e498107c3db72a3d85d95c0e2ed8e57fb Mon Sep 17 00:00:00 2001
From: Vivek Goyal <vgoyal@redhat.com>
Date: Wed, 11 Feb 2015 11:30:46 -0500
Subject: [PATCH] docker-call-close-archive-in-push-v2-image

pushV2Image() calls TarLayer() which returns an archive. One needs to
Close() the archive once done otherwise it will leave mounted devices
if devicemapper graph driver is being used.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Upstream-commit: 064ff42d6d34b9c92e634f30ac1549d9786ab26f
Component: engine
---
 components/engine/graph/push.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/engine/graph/push.go b/components/engine/graph/push.go
index 6ae2d670d6..290c1d0f5e 100644
--- a/components/engine/graph/push.go
+++ b/components/engine/graph/push.go
@@ -392,6 +392,8 @@ func (s *TagStore) pushV2Image(r *registry.Session, img *image.Image, endpoint *
 	if err != nil {
 		return err
 	}
+	defer arch.Close()
+
 	tf, err := s.graph.newTempFile()
 	if err != nil {
 		return err