From 393cbb5151ecda9f9e14e3082d048dd27a1ff9f6 Mon Sep 17 00:00:00 2001
From: Matthias Dellweg <2500@gmx.de>
Date: Sun, 25 Sep 2011 14:26:25 +0200
Subject: [PATCH] usb/core/devio.c: Check for printer class specific request

In the usb printer class specific request get_device_id the value of
wIndex is (interface << 8 | altsetting) instead of just interface.
This enables the detection of some printers with libusb.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Matthias Dellweg <2500@gmx.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
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