linux-kernel - Re: [PATCH v2 net] net: ethernet: mediatek: avoid potential invalid memory access

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Message-Id: <20170724.134408.1220348031618074380.davem@davemloft.net>
Date:   Mon, 24 Jul 2017 13:44:08 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     sean.wang@...iatek.com
Cc:     john@...ozen.org, nbd@...nwrt.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 net] net: ethernet: mediatek: avoid potential
 invalid memory access

From: <sean.wang@...iatek.com>
Date: Sat, 22 Jul 2017 20:45:55 +0800

> From: Sean Wang <sean.wang@...iatek.com>
> 
> Potential dangerous invalid memory might be accessed if invalid mac value
> reflected from the forward port field in rxd4 caused by possible potential
> hardware defects. So added a simple sanity checker to avoid the kind of
> situation happening.
> 
> Signed-off-by: Sean Wang <sean.wang@...iatek.com>
> Acked-by: John Crispin <john@...ozen.org>

Applied.