linux-kernel - Re: [PATCH v2] staging: lustre: replace simple

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Date:   Thu, 27 Jul 2017 12:59:00 +0200
From:   Marcin Ciupak <marcin.s.ciupak@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        Oleg Drokin <oleg.drokin@...el.com>,
        Andreas Dilger <andreas.dilger@...el.com>,
        lustre-devel@...ts.lustre.org
Subject: Re: [PATCH v2] staging: lustre: replace simple_strtoul with kstrtoint

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@...il.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