From 564e69893c63cefe4bcbdeda4f940bf68b6b4491 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 17 Nov 2012 18:06:11 +0300
Subject: [PATCH] USB: usbtest: prevent a divide by zero bug

If param->length is zero, then this could lead to a divide by zero bug
later in the function when we do: size %= max;

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