From: 15330273...@189.cn <15330273...@189.cn>
> Sent: 23 May 2023 05:27
>
> On 2023/5/22 19:29, Jani Nikula wrote:
> > In general, do not use unsigned types in arithmethic to avoid negative
> > values, because most people will be tripped over by integer promotion
> > rules, and you'll get negative values anyway.
>
>
> Here I'm sure about this,
>
> but there are plenty unsigned types arithmetic in the kernel.
The real problem is (attempted) arithmetic on types smaller than int.
Regardless of whether they are signed or unsigned.
David
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