From a3ff8a98f770ae35103e3ce3c4221c00b4efcb7f Mon Sep 17 00:00:00 2001
From: Dan Walsh <dwalsh@redhat.com>
Date: Fri, 23 May 2014 11:43:46 -0400
Subject: [PATCH] We need to umount /var/lib/docker when the daemon exits.

Currently we are leaving it bind mounted on stop.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
---
 daemon/daemon.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/daemon/daemon.go b/daemon/daemon.go
index 210e1a540e..4ea6416ca5 100644
--- a/daemon/daemon.go
+++ b/daemon/daemon.go
@@ -900,6 +900,10 @@ func (daemon *Daemon) Close() error {
 		utils.Errorf("daemon.containerGraph.Close(): %s", err.Error())
 		errorsStrings = append(errorsStrings, err.Error())
 	}
+	if err := mount.Unmount(daemon.config.Root); err != nil {
+		utils.Errorf("daemon.Umount(%s): %s", daemon.config.Root, err.Error())
+		errorsStrings = append(errorsStrings, err.Error())
+	}
 	if len(errorsStrings) > 0 {
 		return fmt.Errorf("%s", strings.Join(errorsStrings, ", "))
 	}