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USB: composite: Fix bug: low byte of w_index is the usb interface number not the...
authorBryan Wu <cooloney@kernel.org>
Wed, 7 Jan 2009 16:21:19 +0000 (00:21 +0800)
committerGreg Kroah-Hartman <gregkh@kvm.kroah.org>
Wed, 28 Jan 2009 00:15:35 +0000 (16:15 -0800)
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>
drivers/usb/gadget/composite.c patch | blob | history

diff --cc drivers/usb/gadget/composite.c
Simple merge
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