Use pci_is_root_bus() in acpi_find_root_bridge_handle() to check if
the pci bus is root, for code consistency.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
---
include/linux/pci-acpi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: 20090526/include/linux/pci-acpi.h
===================================================================
--- 20090526.orig/include/linux/pci-acpi.h
+++ 20090526/include/linux/pci-acpi.h
@@ -15,7 +15,7 @@ static inline acpi_handle acpi_find_root
{
struct pci_bus *pbus = pdev->bus;
/* Find a PCI root bus */
- while (pbus->parent)
+ while (!pci_is_root_bus(pbus))
pbus = pbus->parent;
return acpi_get_pci_rootbridge_handle(pci_domain_nr(pbus),
pbus->number);
--
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