ACPI / hotplug / PCI: Use list_for_each_entry() for bus traversal

Replace list_for_each() + pci_bus_b() with list_for_each_entry().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index cd929aed3613314068ed7a4baf2bb6e5c6cb9f1f..aee6a0acbbe91345bdcb6723ac7ad45a767ac760 100644 (file)
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -450,7 +450,7 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
  */
 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 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
         */
        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;
        }