linux-kernel - Re: [PATCH V2] rtc: rtc-pcf2123: replace strict

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Message-ID: <CAHp75VdUzw3wwQU5VnBGe3oPYEoHc8HO51C6VmViNF=B-bazyw@mail.gmail.com>
Date:	Mon, 3 Jun 2013 14:10:26 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com
Subject: Re: [PATCH V2] rtc: rtc-pcf2123: replace strict_strtoul() with kstrtoul()

On Mon, Jun 3, 2013 at 12:07 PM, Jingoo Han <jg1.han@...sung.com> wrote:
> The usage of strict_strtoul() is not preferred, because
> strict_strtoul() is obsolete. Thus, kstrtoul() should be
> used.

There is an issue, after fixing it take my
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> --- a/drivers/rtc/rtc-pcf2123.c
> +++ b/drivers/rtc/rtc-pcf2123.c


> @@ -117,9 +118,9 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
>
>         r = container_of(attr, struct pcf2123_sysfs_reg, attr);
>
> -       if (strict_strtoul(r->name, 16, &reg)
> -               || strict_strtoul(buffer, 10, &val))
> -               return -EINVAL;
> +       ret = kstrtoul(r->name, 16, &reg) || kstrtoul(buffer, 10, &val);

This is not correct. Please, split to two sequential checks.

> +       if (ret)
> +               return ret;

--
With Best Regards,
Andy Shevchenko
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