From 2fdbf51ccc8c3bd3dfa0efe57a0f2cd247d567ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Fri, 27 Nov 2015 00:07:54 +0100
Subject: [PATCH] core: have QubesVmCollection.unlock_db no-op if not locked

---
 core/qubes.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/qubes.py b/core/qubes.py
index e910b66b..34d007f5 100755
--- a/core/qubes.py
+++ b/core/qubes.py
@@ -651,6 +651,8 @@ class QubesVmCollection(dict):
             self.qubes_store_file.close()
 
     def unlock_db(self):
+        if self.qubes_store_file is None:
+            return
         # intentionally do not call explicit unlock to not unlock the file
         # before all buffers are flushed
         self.log.debug('unlock_db()')