Index: printing/nt_printing.c
===================================================================
--- printing/nt_printing.c	(revision 12877)
+++ printing/nt_printing.c	(working copy)
@@ -3279,6 +3279,8 @@
 	
 		TALLOC_FREE( data );
 
+		p2->data = NULL;
+
 		DEBUG(8,("delete_all_printer_data: Removed all Printer Data from printer [%s]\n",
 			p2->printername ));