Re: net: fec: fix regression on i.MX28 introduced by rx_copybreak support

From: David Miller
Date: Thu Oct 30 2014 - 12:17:21 EST


From: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx>
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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