From 6f57e8025a0a03da8052edc30157f7677f65f208 Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Thu, 19 Sep 2013 19:22:23 +0200
Subject: [PATCH] image: Unmount before removing device in error paths

The device remove fails unless we unmount first
---
 image.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/image.go b/image.go
index 16abf9eef0..f495e8e8fc 100644
--- a/image.go
+++ b/image.go
@@ -421,6 +421,7 @@ func (image *Image) ensureImageDevice(devices DeviceSet) error {
 
 	err = image.applyLayer(layerPath(root), mountDir)
 	if err != nil {
+		_ = devices.UnmountDevice(image.ID, mountDir)
 		_ = devices.RemoveDevice(image.ID)
 		return err
 	}