From 4bef52f377b6410a89fc580a8948033f613854f8 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 12 Mar 2015 20:24:31 +0300
Subject: [PATCH] staging: dgnc: some off by one bugs

"dgnc_NumBoards" is the number of filled out elements in the
dgnc_Board[] array.  "->nasync" and "->maxports" are the same value.
They are the number of channels in the ->channels[] array so these tests
should be ">=" instead of ">" so we avoid reading past the end of the
arrays.

I cleaned up the conditions in dgnc_mgmt_ioctl() a bit.  There was a
work around for the off by one bug in the case where there were no
boards which is no longer needed.  "channel" is unsigned so it can't be
negative.

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