linux-kernel - Re: [PATCH] rtc: pcf2123: Add missing error code assignment before test

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Date:	Tue, 9 Aug 2016 14:03:35 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Christophe JAILLET <christophe.jaillet@...adoo.fr>
cc:	a.zummo@...ertech.it, alexandre.belloni@...e-electrons.com,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] rtc: pcf2123: Add missing error code assignment before
 test



On Tue, 9 Aug 2016, Christophe JAILLET wrote:

> It is likely that checking the result of 'pcf2123_write_reg' is expected
> here.
> Also fix a small style issue. The '{' at the beginning of the function
> is misplaced.

They shouldn't be in the same patch.  If you are wrong about the ret
issue, the { should still be moved.

julia

>
> Fixes: 809b453b76e15 ("rtc: pcf2123: clean up writes to the rtc chip")
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/rtc/rtc-pcf2123.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
> index b4478cc92b55..8895f77726e8 100644
> --- a/drivers/rtc/rtc-pcf2123.c
> +++ b/drivers/rtc/rtc-pcf2123.c
> @@ -182,7 +182,8 @@ static ssize_t pcf2123_show(struct device *dev, struct device_attribute *attr,
>  }
>
>  static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
> -			     const char *buffer, size_t count) {
> +			     const char *buffer, size_t count)
> +{
>  	struct pcf2123_sysfs_reg *r;
>  	unsigned long reg;
>  	unsigned long val;
> @@ -199,7 +200,7 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
>  	if (ret)
>  		return ret;
>
> -	pcf2123_write_reg(dev, reg, val);
> +	ret = pcf2123_write_reg(dev, reg, val);
>  	if (ret < 0)
>  		return -EIO;
>  	return count;
> --
> 2.7.4
>
>
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