From 08889517b3713926169d79d99782192e86acdc67 Mon Sep 17 00:00:00 2001
From: Bryan Wu <cooloney@kernel.org>
Date: Thu, 8 Jan 2009 00:21:19 +0800
Subject: [PATCH] USB: composite: Fix bug: low byte of w_index is the usb
 interface number not the whole 2 bytes of w_index

In some usb gadget driver, for example usb audio class device, the high
byte of w_index is the entity id and low byte is the interface number.
If we use the 2 bytes of w_index as the array number, we will get a
wrong pointer or NULL pointer.

This patch fixes this issue.

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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