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>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 63b1243a9139..8da4801bb922 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -202,6 +202,11 @@ static int usb_probe_interface(struct device *dev)
         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);