Null some freed memory

svn path=/trunk/; revision=13799

my-evolution/ChangeLog

@@ -1,3 +1,9 @@
+2001-10-19  Iain Holmes  <iain@ximian.com>
+
+	* e-summary-mail.c (e_summary_mail_init): set the summary->mail to
+	NULL after freeing it.
+	(mail_change_notify): Return if mail == NULL.
+	
 2001-10-18  Iain Holmes  <iain@ximian.com>
 
 	* e-summary.c (e_summary_reload): Only reload the views, don't do an

my-evolution/e-summary-mail.c

@@ -278,6 +278,8 @@ mail_change_notify (BonoboListener *listener,
 
 	mail = summary->mail;
 
+	g_return_if_fail (mail != NULL);
+
 	count = arg->_value;
 	folder = g_hash_table_lookup (mail->folders, count->path);
 
@@ -404,6 +406,8 @@ e_summary_mail_init (ESummary *summary,
 		CORBA_exception_free (&ev);
 
 		g_free (mail);
+		summary->mail = NULL;
+
 		return;
 	}