From b1443ac0e486842c133b8805ee035ab3ff918763 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 2 Mar 2012 21:51:00 +0300
Subject: [PATCH] usb: gadget: dummy_hcd: signedness bug in transfer()

"len" is unsigned so it's never less than zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed