linux-kernel - Re: [PATCH 25/33] Input: atmel-wm97xx - Drop unnecessary error messages and other changes

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Date:   Wed, 18 Jan 2017 11:23:06 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 25/33] Input: atmel-wm97xx - Drop unnecessary error
 messages and other changes

On Wed, Jan 18, 2017 at 09:46:46AM -0800, Guenter Roeck wrote:
> Error messages after memory allocation failures are unnecessary and
> can be dropped.
> 
> This conversion was done automatically with coccinelle using the
> following semantic patches. The semantic patches and the scripts
> used to generate this commit log are available at
> https://github.com/groeck/coccinelle-patches
> 
> - Drop unnecessary braces around conditional return statements
> - Drop error message after devm_kzalloc() failure

OK since it was emitted as dev_dbg() anyway, applied.

> 
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
>  drivers/input/touchscreen/atmel-wm97xx.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/atmel-wm97xx.c b/drivers/input/touchscreen/atmel-wm97xx.c
> index 7ec0421c0dd8..8cf0b2be2df4 100644
> --- a/drivers/input/touchscreen/atmel-wm97xx.c
> +++ b/drivers/input/touchscreen/atmel-wm97xx.c
> @@ -339,10 +339,8 @@ static int __init atmel_wm97xx_probe(struct platform_device *pdev)
>  	int ret;
>  
>  	atmel_wm97xx = kzalloc(sizeof(struct atmel_wm97xx), GFP_KERNEL);
> -	if (!atmel_wm97xx) {
> -		dev_dbg(&pdev->dev, "out of memory\n");
> +	if (!atmel_wm97xx)
>  		return -ENOMEM;
> -	}
>  
>  	atmel_wm97xx->wm	= wm;
>  	atmel_wm97xx->regs	= (void *)ATMEL_WM97XX_AC97C_IOMEM;
> -- 
> 2.7.4
> 

-- 
Dmitry