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

From: Greg Kroah-Hartman
Date: Fri Apr 14 2017 - 04:16:47 EST


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@xxxxxxxxx>
> ---
> 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