1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 66f3ae74d130..50f329d7ccff 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -564,7 +564,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
                 acpi_pci_bridge_scan(child);
 
         /* Indicate support for various _OSC capabilities. */
-        if (pci_ext_cfg_avail(root->bus->self))
+        if (pci_ext_cfg_avail())
                 flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
         if (pcie_aspm_support_enabled())
                 flags |= OSC_ACTIVE_STATE_PWR_SUPPORT |