Re: [PATCH v2] staging: lustre: replace simple_strtoul with kstrtoint

From	Marcin Ciupak <marcin.s.ciupak@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] staging: lustre: replace simple_strtoul with kstrtoint
Date	2017-07-27 11:00 +0200
Message-ID	<u7MOd-3UB-3@gated-at.bofh.it> (permalink)
References	<tnroC-3oD-17@gated-at.bofh.it> <tw4Cu-7aA-21@gated-at.bofh.it>
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I did test it and not everything works as expected. I
need to reconsider that change. Please drop this patch.

Thanks,
Marcin

P.S. Sorry for late (sic!) response.

On Fri, Apr 14, 2017 at 10:16:31AM +0200, Greg Kroah-Hartman wrote:
> On Tue, Mar 21, 2017 at 01:46:09PM +0100, Marcin Ciupak wrote:
> > Replace simple_strtoul with kstrtoint.
> > simple_strtoul is marked for obsoletion as reported by checkpatch.pl
> > 
> > Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
> > ---
> > v2:
> > 	-improving kstrtoint error handling
> > 	-updating commit message
> > 
> >  drivers/staging/lustre/lustre/obdclass/obd_mount.c | 16 ++++++++++++----
> >  1 file changed, 12 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
> > index 8e0d4b1d86dc..42858ee5b444 100644
> > --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
> > +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
> > @@ -924,12 +924,20 @@ static int lmd_parse(char *options, struct lustre_mount_data *lmd)
> >  			lmd->lmd_flags |= LMD_FLG_ABORT_RECOV;
> >  			clear++;
> >  		} else if (strncmp(s1, "recovery_time_soft=", 19) == 0) {
> > -			lmd->lmd_recovery_time_soft = max_t(int,
> > -				simple_strtoul(s1 + 19, NULL, 10), time_min);
> > +			int res;
> > +
> > +			rc = kstrtoint(s1 + 19, 10, &res);
> > +			if (rc)
> > +				goto invalid;
> > +			lmd->lmd_recovery_time_soft = max_t(int, res, time_min);
> 
> Are you sure max_t is still needed here?
> 
> And have you tested this change?
> 
> thanks,
> 
> greg k-h

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Re: [PATCH v2] staging: lustre: replace simple_strtoul with kstrtoint Marcin Ciupak <marcin.s.ciupak@gmail.com> - 2017-07-27 11:00 +0200

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