Re: [PATCH v7 2/3] trivial: PM / Hibernate: clean up checkpatch in hibernate.c

From: Rafael J. Wysocki
Date: Tue Feb 04 2014 - 19:13:53 EST


On Tuesday, February 04, 2014 04:06:42 PM Sebastian Capella wrote:
> Quoting Rafael J. Wysocki (2014-02-04 16:03:29)
> > On Tuesday, February 04, 2014 03:22:22 PM Sebastian Capella wrote:
> > > Quoting Sebastian Capella (2014-02-04 14:37:33)
> > > > Quoting Rafael J. Wysocki (2014-02-04 13:36:29)
> > > > > > static int __init resumedelay_setup(char *str)
> > > > > > {
> > > > > > - resume_delay = simple_strtoul(str, NULL, 0);
> > > > > > + int ret = kstrtoint(str, 0, &resume_delay);
> > > > > > + /* mask must_check warn; on failure, leaves resume_delay unchanged */
> > > > > > + (void)ret;
> > >
> > > One unintended consequence of this change is that it'll now accept a
> > > negative integer parameter.
> >
> > Well, what about using kstrtouint(), then?
> I was thinking of doing something like:
>
> int delay, res;
> res = kstrtoint(str, 0, &delay);
> if (!res && delay >= 0)
> resume_delay = delay;
> return 1;

It uses simple_strtoul() for a reason. You can change the type of resume_delay
to match, but the basic question is:

Why exactly do you want to change that thing?

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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