On Thu, 18 Jun 2015, Stefan Koch wrote:
> Driver probings and interface claims get rejected
> if an interface is not authorized.
>
> Signed-off-by: Stefan Koch <skoch@xxxxxxx>
> ---
> drivers/usb/core/driver.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
> index 818369a..74169a5 100644
> --- a/drivers/usb/core/driver.c
> +++ b/drivers/usb/core/driver.c
> @@ -295,6 +295,13 @@ static int usb_probe_interface(struct device *dev)
> if (udev->authorized == 0) {
> dev_err(&intf->dev, "Device is not authorized for usage\n");
> return error;
> + } else if (intf->authorized == 0) {
> + unsigned intf_num = intf->altsetting->desc.bInterfaceNumber;
> +
> + dev_err(&intf->dev, "Interface 0x%02x is not authorized for usage\n",
Interface numbers should be decimal (%d), not hex (0x%02x).
Alan Stern
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