From 70dfea63ba2a8a6d8b367420039aeb6a1759c240 Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Thu, 20 Oct 2016 15:34:23 -0700
Subject: [PATCH] chroot: let root be cleaned up by kernel

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 pkg/chrootarchive/chroot_linux.go | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/pkg/chrootarchive/chroot_linux.go b/pkg/chrootarchive/chroot_linux.go
index 9f1dd527ff..3325329978 100644
--- a/pkg/chrootarchive/chroot_linux.go
+++ b/pkg/chrootarchive/chroot_linux.go
@@ -62,13 +62,6 @@ func chroot(path string) (err error) {
 				err = errCleanup
 			}
 		}
-
-		if errCleanup := syscall.Unmount("/", syscall.MNT_DETACH); errCleanup != nil {
-			if err == nil {
-				err = fmt.Errorf("error unmounting root: %v", errCleanup)
-			}
-			return
-		}
 	}()
 
 	if err := syscall.PivotRoot(path, pivotDir); err != nil {