usb: usb_generic_probe() obeys authorization

If called and the device is not authorized to be used, then we won't
choose a configuration (as they are not a concept that exists for an
unauthorized device). However, the device is added to the system.
Signed-off-by: NInaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/generic.c

@@ -161,6 +161,9 @@ static int generic_probe(struct usb_device *udev)
 	/* Choose and set the configuration.  This registers the interfaces
 	 * with the driver core and lets interface drivers bind to them.
 	 */
+	if (udev->authorized == 0)
+		dev_err(&udev->dev, "Device is not authorized for usage\n");
+	else {
 		c = choose_configuration(udev);
 		if (c >= 0) {
 			err = usb_set_configuration(udev, c);
@@ -171,7 +174,7 @@ static int generic_probe(struct usb_device *udev)
 				 * set other configurations. */
 			}
 		}
-
+	}
 	/* USB device state == configured ... usable */
 	usb_notify_add_device(udev);