monitor_printf(mon, ": PCI device %04" PRIx64 ":%04" PRIx64 "\n",
dev->id->vendor, dev->id->device);
- monitor_printf(mon, " PCI subsystem %04" PRIx64 ":%04" PRIx64 "\n",
- dev->id->subsystem_vendor, dev->id->subsystem);
+ if (dev->id->has_subsystem_vendor && dev->id->has_subsystem) {
+ monitor_printf(mon, " PCI subsystem %04" PRIx64 ":%04" PRIx64 "\n",
+ dev->id->subsystem_vendor, dev->id->subsystem);
+ }
if (dev->has_irq) {
monitor_printf(mon, " IRQ %" PRId64 ".\n", dev->irq);