452 	struct pci_bus_entry *bus_entry = NULL;  in pcifront_scan_root()  local
474 	bus_entry = kzalloc(sizeof(*bus_entry), GFP_KERNEL);  in pcifront_scan_root()
476 	if (!bus_entry || !sd) {  in pcifront_scan_root()
498 	bus_entry->bus = b;  in pcifront_scan_root()
500 	list_add(&bus_entry->list, &pdev->root_buses);  in pcifront_scan_root()
516 	kfree(bus_entry);  in pcifront_scan_root()
571 	struct pci_bus_entry *bus_entry, *t;  in pcifront_free_roots()  local
576 	list_for_each_entry_safe(bus_entry, t, &pdev->root_buses, list) {  in pcifront_free_roots()
577 		list_del(&bus_entry->list);  in pcifront_free_roots()
579 		free_root_bus_devs(bus_entry->bus);  in pcifront_free_roots()
581 		kfree(bus_entry->bus->sysdata);  in pcifront_free_roots()
583 		device_unregister(bus_entry->bus->bridge);  in pcifront_free_roots()
584 		pci_remove_bus(bus_entry->bus);  in pcifront_free_roots()
586 		kfree(bus_entry);  in pcifront_free_roots()