diff options
Diffstat (limited to 'drivers/pci/pcie/aer/aerdrv_acpi.c')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv_acpi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c index 8c199ae84f6d..d39a78dbd026 100644 --- a/drivers/pci/pcie/aer/aerdrv_acpi.c +++ b/drivers/pci/pcie/aer/aerdrv_acpi.c @@ -31,10 +31,13 @@ int aer_osc_setup(struct pcie_device *pciedev) { acpi_status status = AE_NOT_FOUND; struct pci_dev *pdev = pciedev->port; - acpi_handle handle = 0; + acpi_handle handle = NULL; + + if (acpi_pci_disabled) + return -1; /* Find root host bridge */ - while (pdev->bus && pdev->bus->self) + while (pdev->bus->self) pdev = pdev->bus->self; handle = acpi_get_pci_rootbridge_handle( pci_domain_nr(pdev->bus), pdev->bus->number); |