Re: [PATCH v4] scripts: checkpatch: warn on Rust panicking methods

[Gary Guo]

On Tue Feb 3, 2026 at 3:49 PM GMT, Onur Özkan wrote:
> On Tue,  3 Feb 2026 08:25:41 -0700
> Jkhall81 <jason.kei.hall@xxxxxxxxx> wrote:
>
>> Nice, emails sent from gmail get automatically rejected.
>> 
>> So, Dirk.  To satisfy your concerns the current 10ish line
>> code update is going to slowly, after many more emails
>> written in nano, mutate into a franken-regex-perl beast. 
>> checkpatch.pl is already huge.  I'm not a fan of this 
>> approach.
>
> Me neither. I wonder why we are doing this instead of using the
> unwrap_used and expect_used linting rules from clippy. This would
> catch the problem much earlier than checkpath since many of us build
> the kernel with CLIPPY=1 flag.

Because it's okay to `panic` or use `expect`. checkpatch will just warn you
once when the code is introduced, not continuously in each build.

Best,
Gary

>
> Regards,
> Onur
>
>> 
>> We could just not do this. Right now we are trying to
>> get a warning if someone uses rust code that can cause a
>> panic.  Software Engineers are smart people.  What if they
>> just don't use rust code that causes panics inside core
>> files.  Problem solved.
>> 
>>