--- samba-3.0.23c.orig/source/rpc_server/srv_spoolss_nt.c	2006-08-07 18:46:33.000000000 +0200
+++ samba-3.0.23c.patch/source/rpc_server/srv_spoolss_nt.c	2006-09-25 13:10:40.000000000 +0200
@@ -2897,6 +2897,9 @@
 				   NT_PRINTER_INFO_LEVEL *printer,
 				   TALLOC_CTX *mem_ctx)
 {
+	/* for a dummy implementation we have to zero the fields */
+	data->notify_data.data.length = 0;
+	data->notify_data.data.string = NULL;
 }
 
 /*******************************************************************