Re: [PATCH] Use existing helper to convert "on/off" to boolean

From: Minfei Huang
Date: Sat Apr 30 2016 - 00:47:34 EST


On 04/29/16 at 02:21P, Andrew Morton wrote:
> On Fri, 29 Apr 2016 13:47:04 +0800 Minfei Huang <mnghuan@xxxxxxxxx> wrote:
>
> > It's more convenient to use existing function helper to convert string
> > "on/off" to boolean.
> >
> > ...
> >
> > --- a/lib/kstrtox.c
> > +++ b/lib/kstrtox.c
> > @@ -326,7 +326,7 @@ EXPORT_SYMBOL(kstrtos8);
> > * @s: input string
> > * @res: result
> > *
> > - * This routine returns 0 iff the first character is one of 'Yy1Nn0', or
> > + * This routine returns 0 if the first character is one of 'Yy1Nn0', or
>
> That isn't actually a typo. "iff" is shorthand for "if and only if".
> ie: kstrtobool() will not return 0 in any other case.
>
> Use of "iff" is a bit pretentious but I guess it does convey some
> conceivably useful info.
>

Got it. Thanks for your explanation.

Thanks
Minfei