Re: [PATCH] resource: add WARN_ON_ONCE for resource_size() and document misusage

[Christian Marangi]

On Tue, Dec 09, 2025 at 05:07:09PM +0200, Andy Shevchenko wrote:
> On Tue, Dec 09, 2025 at 12:25:38PM +0200, Ilpo Järvinen wrote:
> > On Mon, 8 Dec 2025, Christian Marangi wrote:
> 
> ...
> 
> > >  static inline resource_size_t resource_size(const struct resource *res)
> > >  {
> > > +	WARN_ON_ONCE(!res->flags);
> > 
> > As lkp also found out, you need to add #include <linux/bug.h>
> 
> Since it's header, we may use better one from asm, i.e. asm/bug.h.
> This will give finer granularity and less possible tangled dependencies
> in the future.
>

Will change in v3 I assume minor touch up to wording might be needed so
it's not a problem.

> > >  	return res->end - res->start + 1;
> > >  }
> 
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
> 

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