linux-kernel - Re: [PATCH 3/3] backlight: lp855x: remove goto err

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Message-id: <000001cd747d$0658f680$130ae380$%han@samsung.com>
Date:	Tue, 07 Aug 2012 18:14:18 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	"'Kim, Milo'" <Milo.Kim@...com>
Cc:	'Richard Purdie' <rpurdie@...ys.net>,
	'Andrew Morton' <akpm@...ux-foundation.org>,
	'LKML' <linux-kernel@...r.kernel.org>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH 3/3] backlight: lp855x: remove goto err_dev

On Tuesday, August 07, 2012 5:32 PM Kim, Milo wrote:
> 
> > This patch removes goto err_dev, which makes code a bit smaller.
> 
> Thanks !
> IMO, goto statements are meaningful on _probe().
> However, 'goto err_sysfs' also can be removed if the size of code is critical.

OK, I will send v2 patch.

Best regards,
Jingoo Han

> 
> drivers/video/backlight/lp855x_bl.c |   12 ++++--------
>  1 files changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
> index 72a0e0c..7e4198c 100644
> --- a/drivers/video/backlight/lp855x_bl.c
> +++ b/drivers/video/backlight/lp855x_bl.c
> @@ -268,29 +268,25 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
>  	if (ret) {
>  		dev_err(lp->dev, "i2c communication err: %d", ret);
>  		if (mode == REGISTER_BASED)
> -			goto err_dev;
> +			return ret;
>  	}
> 
>  	ret = lp855x_backlight_register(lp);
>  	if (ret) {
>  		dev_err(lp->dev,
>  			"failed to register backlight. err: %d\n", ret);
> -		goto err_dev;
> +		return ret;
>  	}
> 
>  	ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group);
>  	if (ret) {
>  		dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret);
> -		goto err_sysfs;
> +		lp855x_backlight_unregister(lp);
> +		return ret;
>  	}
> 
>  	backlight_update_status(lp->bl);
>  	return 0;
> -
> -err_sysfs:
> -	lp855x_backlight_unregister(lp);
> -err_dev:
> -	return ret;
>  }
> 
>  static int __devexit lp855x_remove(struct i2c_client *cl)
> --
> 1.7.2.5
> 
> Best Regards,
> Milo


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