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Date:	Thu, 30 Oct 2014 12:17:10 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	LW@...O-electronics.de
Cc:	netdev@...r.kernel.org, rmk+kernel@....linux.org.uk,
	Frank.Li@...escale.com, fabio.estevam@...escale.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: net: fec: fix regression on i.MX28 introduced by rx_copybreak
 support

From: Lothar WaƟmann <LW@...O-electronics.de>
Date: Thu, 30 Oct 2014 07:51:04 +0100

>> Also, I don't thnk your DIV_ROUND_UP() eliminate for the loop
>> in swap_buffer() is valid.  The whole point is that the current
>> code handles buffers which have a length which is not a multiple
>> of 4 properly, after your change it will no longer do so.
>>
> Do you really think so?

Yes, because you're rounding down so you'll miss the final
partial word (if any).
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