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Date:   Sat, 09 Feb 2019 19:01:14 -0800 (PST)
Message-Id: <20190209.190114.542890373094719579.davem@davemloft.net>
To:     kal.conley@dectris.com
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        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net/packet: fix 4gb buffer limit due to overflow check
From:   David Miller <davem@davemloft.net>
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From: Kal Conley <kal.conley@dectris.com>
Date: Sat,  9 Feb 2019 21:37:00 +0100

> When calculating rb->frames_per_block * req->tp_block_nr the result
> can overflow. Check it for overflow without limiting the total buffer
> size to UINT_MAX.
> 
> This change fixes support for packet ring buffers >= UINT_MAX.

Please resubmit with a proper signoff and also an appropriate Fixes:
tag.