netdev - Re: [PATCH 1/2] net: stmmac: use correct DMA buffer size in the RX descriptor

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Message-ID: <20191210205542.GB4080658@kroah.com>
Date:   Tue, 10 Dec 2019 21:55:42 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Aviraj CJ <acj@...co.com>
Cc:     peppe.cavallaro@...com, netdev@...r.kernel.org,
        xe-linux-external@...co.com
Subject: Re: [PATCH 1/2] net: stmmac: use correct DMA buffer size in the RX
 descriptor

On Tue, Dec 10, 2019 at 09:06:58AM -0800, Aviraj CJ wrote:
> We always program the maximum DMA buffer size into the receive descriptor,
> although the allocated size may be less. E.g. with the default MTU size
> we allocate only 1536 bytes. If somebody sends us a bigger frame, then
> memory may get corrupted.
> 
> Program DMA using exact buffer sizes.
> 
> [Adopted based on upstream commit c13a936f46e3321ad2426443296571fab2feda44
> ("net: stmmac: use correct DMA buffer size in the RX descriptor")
> by Aaro Koskinen <aaro.koskinen@...ia.com> ]

Adopted to what?

What is this patch for, it looks just like the commit you reference
here.

totally confused,

greg k-h