[PATCH] tftp: allocate at least 4096 bytes for FIFO

[Ahmad Fatoum]

Hello Enrico,

On 05.09.22 11:03, Enrico Scholz wrote:
> Ahmad Fatoum <a.fatoum at pengutronix.de> writes:
> 
>> On one board, boots from /mnt/tftp currently fail for me with:
>>
>> ERROR: tftp: tftp: not enough room in kfifo (only 1376 out of 1432 written
> 
> Thanks for noticing that; I sent fixups for the recent patchset.

Thanks for the prompt reply and series.

> Perhaps, can you test it on your failing platform with changing
> 
> | #define TFTP_EXTRA_BLOCKS	2
> 
> to
> 
> | #define TFTP_EXTRA_BLOCKS	0
> 
> ?
> 
> This should turn off the workaround of over-allocating memory and isolate
> (and verify) the fix for the real problem.

Issue was not reproducible with TFTP_EXTRA_BLOCKS 0.

FWIW, the same barebox binary only had the issue when booting via USB network adapter
(DUB-E100) on one board, but not when booting from i.MX8MM FEC on another board.

Cheers,
Ahmad

> 
> 
> 
> Enrico
> 


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