diff options
| -rw-r--r-- | drivers/usb/core/driver.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index f58a0299fb3b..1dc0c0413043 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -290,7 +290,10 @@ static int usb_probe_device(struct device *dev) * specialised device drivers prior to setting the * use_generic_driver bit. */ - error = udriver->probe(udev); + if (udriver->probe) + error = udriver->probe(udev); + else if (!udriver->generic_subclass) + error = -EINVAL; if (error == -ENODEV && udriver != &usb_generic_driver && (udriver->id_table || udriver->match)) { udev->use_generic_driver = 1; |