On Fri, 29 Apr 2016 13:47:04 +0800 Minfei Huang <mngh...@gmail.com> 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.