backup: fix R2B3 and older backup restore (#1124)

Similar issue to qubesos/qubes-issues#1124
2015-09-06 00:06:09 +02:00 · 2015-09-06 00:06:09 +02:00 · 9205fbb336
commit 9205fbb336
parent 4a4d16feb9
1 changed files with 4 additions and 0 deletions
--- 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)