diff options
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 4eeea2262454..54529424a0a5 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -822,6 +822,9 @@ static int acpi_device_probe(struct device *dev) struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); int ret; + if (acpi_dev->handler) + return -EINVAL; + if (!acpi_drv->ops.add) return -ENOSYS; |