Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1598614

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

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH] staging: lustre: replace simple_strtoul with kstrtoint
Date 2017-03-12 14:40 +0100
Message-ID <tkbT3-294-1@gated-at.bofh.it> (permalink)
References <tj7HQ-6AN-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] staging: lustre: replace simple_strtoul with kstrtoint Marcin Ciupak <marcin.s.ciupak@gmail.com> - 2017-03-09 16:00 +0100
  Re: [PATCH] staging: lustre: replace simple_strtoul with kstrtoint Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-12 14:40 +0100
    Re: [PATCH] staging: lustre: replace simple_strtoul with kstrtoint Marcin Ciupak <marcin.s.ciupak@gmail.com> - 2017-03-12 17:00 +0100

csiph-web