Re: [PATCH v22 2/5] ring-buffer: Introducing ring-buffer mapping functions

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On Fri, 10 May 2024 12:03:12 +0100
Vincent Donnefort <vdonnefort@xxxxxxxxxx> wrote:

> > I'm not particularly happy about us calling vm_insert_pages with NULL
> > pointers stored in pages.
> > 
> > Should we instead do
> > 
> > if (WARN_ON_ONCE(s >= nr_subbufs)) {
> > 	err = -EINVAL;
> > 	goto out;
> > }
> > 
> > ?  
> 
> I could also nr_pages = p in the event of s >= nr_subbufs... but that
> really that shouldn't happen so let's return an error.

I'm good with this. It should never happen anyway.

-- Steve




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