linux-kernel - Re: [PATCH 1/1] ALSA: hdsp: Deletion of an unnecessary check before the function call "release

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Date:	Mon, 17 Nov 2014 13:47:01 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org, Coccinelle <cocci@...teme.lip6.fr>
Subject: Re: [PATCH 1/1] ALSA: hdsp: Deletion of an unnecessary check before the function call "release_firmware"

At Mon, 17 Nov 2014 13:12:15 +0100,
SF Markus Elfring wrote:
> 
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Mon, 17 Nov 2014 13:04:14 +0100
> 
> The release_firmware() function tests whether its argument is NULL and then
> return immediately. Thus the test around the call is not needed.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Applied, thanks.


Takashi

> ---
>  sound/pci/rme9652/hdsp.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
> index 7646ba1..0ae568d 100644
> --- a/sound/pci/rme9652/hdsp.c
> +++ b/sound/pci/rme9652/hdsp.c
> @@ -5368,8 +5368,7 @@ static int snd_hdsp_free(struct hdsp *hdsp)
>  
>  	snd_hdsp_free_buffers(hdsp);
>  
> -	if (hdsp->firmware)
> -		release_firmware(hdsp->firmware);
> +	release_firmware(hdsp->firmware);
>  	vfree(hdsp->fw_uploaded);
>  
>  	if (hdsp->iobase)
> -- 
> 2.1.3
> 
> 
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