Bug in drivers/net/ethernet/freescale/fec_main.c, TX is broken. In 4.0.0-rc3

Панов Андрей rockford at yandex.ru
Sun Mar 22 13:08:01 PDT 2015


22.03.2015, 01:35, "Fabio Estevam" <festevam at gmail.com>:
> Hi Russell,
> On Sat, Mar 21, 2015 at 5:53 PM, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
>>  Given that this bug can seriously screw data up in undetectable ways (TCP
>>  checksums don't save you, because the FEC generates them on the data which
>>  it read from memory, even if it happened to read the data from the SoC's
>>  boot ROM) we do need to get this fixed ASAP.
> Current mainline has 2b995f63987013 reverted, so 4.0-rc5 will not have
> this corruption problem.

I've tested with current mainline and with mainline+2b995f63987013 commit with Russell's
fix and it both works fine, without corruption.


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