diff options
-rw-r--r-- | drivers/acpi/pci_root.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index e1bdcc7..13f9b5b 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -270,12 +270,15 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags) struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle) { struct acpi_pci_root *root; + struct acpi_device *device; - list_for_each_entry(root, &acpi_pci_roots, node) { - if (root->device->handle == handle) - return root; - } - return NULL; + if (acpi_bus_get_device(handle, &device) || + acpi_match_device_ids(device, root_device_ids)) + return NULL; + + root = acpi_driver_data(device); + + return root; } EXPORT_SYMBOL_GPL(acpi_pci_find_root); |