PCI: use pci_is_root_bus() in pci_find_upstream_pcie_bridge()
Use pci_is_root_bus() in pci_find_upstream_pcie_bridge() to check if
the pci bus is root, for code consistency.
Reviewed-by: Alex Chiang <achiang@hp.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 650bc0a..e8cb505 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -29,7 +29,7 @@
if (pdev->is_pcie)
return NULL;
while (1) {
- if (!pdev->bus->parent)
+ if (pci_is_root_bus(pdev->bus))
break;
pdev = pdev->bus->self;
/* a p2p bridge */