Re: [PATCH] ata: libata-transport: replace scnprintf with sysfs_emit for simple attributes

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> On Jul 7, 2025, at 9:15 PM, Damien Le Moal <dlemoal@xxxxxxxxxx> wrote:
> 
> On 7/7/25 9:20 PM, Jonathan Velez wrote:
>> sprintf, snprintf, and scnprintf do not consider the PAGE_SIZE maximum
>> of the temporary buffer used for outputting sysfs content and they may
>> overrun the PAGE_SIZE buffer length.
>> 
>> To avoid output defects with the ATA transport class simple attributes,
>> scnprintf() was converted to sysfs_emit(). This aligns with the sysfs
>> guidance provided in Documentation/filesystems/sysfs.rst.
> 
> Nit: please use assertive style (no past tense/passive form)
> 
> To avoid output defects with the ATA transport class simple attributes,
> use sysfs_emit instead of scnprintf().
I will amend the commit message and submit V2 of the patch.
> 
>> 
>> Signed-off-by: Jonathan Velez <jonvelez12345@xxxxxxxxx>
> 
> Otherwise, looks good.
> 
> Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>
Thank you, I’m considering reviewing the rest of the libata-transport.c module for similar updates. Thoughts?
> -- 
> Damien Le Moal
> Western Digital Research






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