From 6187570b7a28c94aa766717ed098526a152dbdfa Mon Sep 17 00:00:00 2001
From: Justin Cormack <justin.cormack@docker.com>
Date: Tue, 9 May 2017 13:34:41 +0100
Subject: [PATCH] Add missing Close in initrd creation

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
---
 cmd/moby/output.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmd/moby/output.go b/cmd/moby/output.go
index 9e205cddd..918987f56 100644
--- a/cmd/moby/output.go
+++ b/cmd/moby/output.go
@@ -111,6 +111,7 @@ func tarToInitrd(image []byte) ([]byte, []byte, string, error) {
 	if err != nil {
 		return []byte{}, []byte{}, "", err
 	}
+	iw.Close()
 	return kernel, w.Bytes(), cmdline, nil
 }