[RFC] fix seg fault of evolution-data-server when adding default vcard

["Zhai, Edwin" <edwin.zhai@intel.com>]

This is one simple patch to fix seg fault of evolution-data-server,
when new contact is added for new created DB.

The root cause is simple: do_create (bf, XIMIAN_VCARD,....) would access
bf->priv->file_db and cause seg fault if not initialized.

I have created one bz https://bugzilla.gnome.org/show_bug.cgi?id=648736, 
also attached patch for comments.


=====================================
Adding default vcard for new created DB always failed with seg fault, as
file_db was not initialized before access. This patch fix it.

Signed-off-by: Edwin Zhai <edwin.zhai@intel.com>
Index: 
evolution-data-server/addressbook/backends/file/e-book-backend-file.c
===================================================================
---
evolution-data-server.orig/addressbook/backends/file/e-book-backend-file.c    

2011-04-26 15:46:03.000000000 +0800
+++
evolution-data-server/addressbook/backends/file/e-book-backend-file.c   
2011-04-26 15:59:13.000000000 +0800
@@ -1247,6 +1247,8 @@
 #ifdef CREATE_DEFAULT_VCARD
                 EContact *contact = NULL;
 
+                /* Initialize file_db, or else following do_create
cause seg fault */
+                bf->priv->file_db = db;
                 if (!do_create (bf, XIMIAN_VCARD, &contact, NULL))
                     g_warning ("Cannot create default contact");
                 if (contact)


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