[prev in list] [next in list] [prev in thread] [next in thread] 

List:       lustre-devel
Subject:    Re: [lustre-devel] [PATCH] staging: lustre: replace simple_strtoul with kstrtoint
From:       Greg Kroah-Hartman <gregkh () linuxfoundation ! org>
Date:       2017-03-12 13:36:47
Message-ID: 20170312133647.GB27791 () kroah ! com
[Download RAW message or body]

On Thu, Mar 09, 2017 at 03:53:00PM +0100, Marcin Ciupak wrote:
> Replace simple_strtoul with kstrtoint.

Why?

> simple_strtoul is marked for obsoletion.
> 
> Signed-off-by: Marcin Ciupak <marcin.s.ciupak@gmail.com>
> ---
> drivers/staging/lustre/lustre/obdclass/obd_mount.c | 20 ++++++++++++++++----
> 1 file changed, 16 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..4a604e9b3e49 100644
> --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c
> +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c
> @@ -924,12 +924,24 @@ 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)
> +				lmd->lmd_recovery_time_soft = time_min;
> +			else
> +				lmd->lmd_recovery_time_soft = max_t(int, res,
> +								    time_min);

Are you sure this is correct?  Do you really want to use max_t()?  Why
is time_min used if there is an error?  Can't this all be written a lot
simpler to actually make it semi-sane?

thanks,

greg k-h
_______________________________________________
lustre-devel mailing list
lustre-devel@lists.lustre.org
http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org


[prev in list] [next in list] [prev in thread] [next in thread]