diff options
Diffstat (limited to 'drivers/tty/serdev/core.c')
| -rw-r--r-- | drivers/tty/serdev/core.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 92e3433276f8..0180e1e4e75d 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -704,13 +704,10 @@ static const struct acpi_device_id serdev_acpi_devices_blacklist[] = { static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level, void *data, void **return_value) { + struct acpi_device *adev = acpi_fetch_acpi_dev(handle); struct serdev_controller *ctrl = data; - struct acpi_device *adev; - if (acpi_bus_get_device(handle, &adev)) - return AE_OK; - - if (acpi_device_enumerated(adev)) + if (!adev || acpi_device_enumerated(adev)) return AE_OK; /* Skip if black listed */ |