From: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Date: Wed, 1 Aug 2007 03:34:03 +0000 (-0700)
Subject: usb: usb_probe_interface() obeys authorization
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=72230abb21349cda54d6cce0d6fd325c023b958e;p=openwrt%2Fstaging%2Fblogic.git

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 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);