diff options
Diffstat (limited to 'drivers/acpi/video.c')
| -rw-r--r-- | drivers/acpi/video.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 5d7075d25700..440eadf2d32c 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1722,6 +1722,9 @@ static int acpi_video_bus_add(struct acpi_device *device) int error; acpi_status status; + if (device->handler) + return -EINVAL; + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, device->parent->handle, 1, acpi_video_bus_match, NULL, |