From c80896f5644ec0a07822047dd7e899da63b42e89 Mon Sep 17 00:00:00 2001
From: Ryan Lortie <desrt@desrt.ca>
Date: Sun, 08 May 2011 12:08:38 +0000
Subject: Fix crash when user database is not present

If we fail to open the database in the user's home directory then the
variable will be NULL.  The refactor of the read function for lockdown
support missed this check, resulting in a rather dramatic crash on fresh
accounts.
---
diff --git a/engine/dconf-engine.c b/engine/dconf-engine.c
index ec99116..087d780 100644
--- a/engine/dconf-engine.c
+++ b/engine/dconf-engine.c
@@ -452,7 +452,11 @@ dconf_engine_read_internal (DConfEngine  *engine,
       break;
 
   while (i < limit && value == NULL)
-    value = gvdb_table_get_value (engine->gvdbs[i++], key);
+    {
+      if (engine->gvdbs[i] != NULL)
+        value = gvdb_table_get_value (engine->gvdbs[i], key);
+      i++;
+    }
 
   g_static_mutex_unlock (&engine->lock);
 
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