linux-kernel - Re: [PATCH 1/1] drivers/mfd/ab8500-debugfs.c: remove unnecessary null test before debugfs_remove

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Message-ID: <20140702065053.GA10311@lee--X1>
Date:	Wed, 2 Jul 2014 07:50:53 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Fabian Frederick <fabf@...net.be>
Cc:	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/1] drivers/mfd/ab8500-debugfs.c: remove unnecessary
 null test before debugfs_remove_recursive

On Sat, 28 Jun 2014, Fabian Frederick wrote:

> Fix checkpatch warning:
> WARNING: debugfs_remove_recursive(NULL) is safe this check is probably not required
> 
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Samuel Ortiz <sameo@...ux.intel.com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Signed-off-by: Fabian Frederick <fabf@...net.be>
> ---
>  drivers/mfd/ab8500-debugfs.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
> index d1a22aa..7ca8713 100644
> --- a/drivers/mfd/ab8500-debugfs.c
> +++ b/drivers/mfd/ab8500-debugfs.c
> @@ -3192,8 +3192,7 @@ static int ab8500_debug_probe(struct platform_device *plf)
>  	return 0;
>  
>  err:
> -	if (ab8500_dir)
> -		debugfs_remove_recursive(ab8500_dir);
> +	debugfs_remove_recursive(ab8500_dir);
>  	dev_err(&plf->dev, "failed to create debugfs entries.\n");
>  
>  	return -ENOMEM;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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