From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 5 Apr 2013 05:43:20 +0000 (+0300)
Subject: USB: keyspan: add a sanity test on "len"
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~135^2~64
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01a60e76b6392547ad3dca3ac05b9c886fa5da45;p=pandora-kernel.git

USB: keyspan: add a sanity test on "len"

"len" comes from the USB transfer and it's probably correct.  The thing
is that we already have similar checks like:

        if (data[i] >= serial->num_ports) {

So adding a sanity test here matches the rest of the code and is a good
idea.

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