diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index cd929ae..aee6a0a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -450,7 +450,7 @@
  */
 static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
 {
-	struct list_head *tmp;
+	struct pci_bus *tmp;
 	unsigned char max, n;
 
 	/*
@@ -463,8 +463,8 @@
 	 */
 	max = bus->busn_res.start;
 
-	list_for_each(tmp, &bus->children) {
-		n = pci_bus_max_busnr(pci_bus_b(tmp));
+	list_for_each_entry(tmp, &bus->children, node) {
+		n = pci_bus_max_busnr(tmp);
 		if (n > max)
 			max = n;
 	}