usb: usb_probe_interface() obeys authorization
If called and the device is not authorized to be used, it won't
configure the interface and print a message saying so.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 63b1243..8da4801 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -202,6 +202,11 @@
intf = to_usb_interface(dev);
udev = interface_to_usbdev(intf);
+ if (udev->authorized == 0) {
+ dev_err(&intf->dev, "Device is not authorized for usage\n");
+ return -ENODEV;
+ }
+
id = usb_match_id(intf, driver->id_table);
if (!id)
id = usb_match_dynamic_id(intf, driver);