PCI: Use list_for_each_entry() for bus->devices traversal
Replace list_for_each() + pci_dev_b() with the simpler
list_for_each_entry().
Tested-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 993d4a0a..f56b237 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -130,16 +130,14 @@
* decrement the reference count by calling pci_dev_put().
* If no device is found, %NULL is returned.
*/
-struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
+struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn)
{
- struct list_head *tmp;
struct pci_dev *dev;
WARN_ON(in_interrupt());
down_read(&pci_bus_sem);
- list_for_each(tmp, &bus->devices) {
- dev = pci_dev_b(tmp);
+ list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->devfn == devfn)
goto out;
}