Re: [PATCH v2] gpio: consumer: new virtual driver

[Bartosz Golaszewski <brgl@xxxxxxxx>]

On Thu, Aug 10, 2023 at 4:53 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>

[snip]

>
> > > This can be avoided by
> > >
> > >         key = kstrndup(skip_spaces(page), count, GFP_KERNEL);
> > >
> > > no?
> > >
> >
> > No, because we also want to remove the trailing spaces and newlines.
> > But if you have a different suggestion with existing helpers, let me
> > know. I didn't find any.
>
> kstrto*() are newline friendly. The rest as you noted can be covered with
> sysfs_streq() / sysfs_match_string().

It's a kstrndup() not a kstrtosomething(). It's not newline friendly.

Bart

[snip]