Re: [PATCH v3] led/led-class: Handle LEDs with the same name

[Ricardo Ribalda Delgado]

Hi Sakari

cc: adding Greg (core and FormatGuard) and Chistopher (sparse)
>
> I just realised there was another issue --- the name is now interpreted as
> format string. Bad things will happen if there's e.g. %s in the name itself
> --- perhaps unlikely, but possible.

Good catch!

Would it be possible to add a sparse check to avoid this in all the kernel?

And what about a macro protection like FormatGuard?

https://www.usenix.org/legacy/events/sec01/full_papers/cowanbarringer/cowanbarringer.pdf


Thanks!

-- 
Ricardo Ribalda
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