From 9205fbb336345be58793fd325126fcd755a4ce14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Sun, 6 Sep 2015 00:06:09 +0200
Subject: [PATCH] backup: fix R2B3 and older backup restore (#1124)

Similar issue to qubesos/qubes-issues#1124
---
 core/backup.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/backup.py b/core/backup.py
index 92280a7c..2493d4a8 100644
--- a/core/backup.py
+++ b/core/backup.py
@@ -1706,6 +1706,10 @@ def backup_restore_prepare(backup_location, passphrase, options=None,
         if check_vm.qid == 0:
             return os.path.exists(os.path.join(backup_dir, 'dom0-home'))
 
+        # DisposableVM
+        if check_vm.dir_path is None:
+            return False
+
         backup_vm_dir_path = check_vm.dir_path.replace(
             system_path["qubes_base_dir"], backup_dir)