--- trunk/src/devices/bus_pci.c	2007/10/08 16:18:43	13
+++ trunk/src/devices/bus_pci.c	2007/10/08 16:18:51	14
@@ -25,7 +25,7 @@
  *  SUCH DAMAGE.
  *   
  *
- *  $Id: bus_pci.c,v 1.10 2005/03/18 23:20:52 debug Exp $
+ *  $Id: bus_pci.c,v 1.12 2005/09/27 23:18:32 debug Exp $
  *  
  *  This is a generic PCI bus device, used by even lower level devices.
  *  For example, the "gt" device used in Cobalt machines contains a PCI
@@ -43,6 +43,8 @@
 
 #include "bus_pci.h"
 
+/*  #define debug fatal  */
+
 
 /*
  *  bus_pci_access():
@@ -153,6 +155,11 @@
 {
 	struct pci_device *new_device;
 
+	if (pci_data == NULL) {
+		fatal("bus_pci_add(): pci_data == NULL!\n");
+		exit(1);
+	}
+
 	/*  Make sure this bus/device/function number isn't already in use:  */
 	new_device = pci_data->first_device;
 	while (new_device != NULL) {