linux-kernel - Re: [PATCH linux-next] ASoC: Intel: sof_nau8825: use function devm_kcalloc() instead of devm

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Date:   Fri, 16 Sep 2022 10:24:16 +0200
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     cgel.zte@...il.com, broonie@...nel.org
Cc:     cezary.rojewski@...el.com, liam.r.girdwood@...ux.intel.com,
        peter.ujfalusi@...ux.intel.com, yung-chuan.liao@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com, kai.vehmanen@...ux.intel.com,
        perex@...ex.cz, tiwai@...e.com, mac.chiang@...el.com,
        yong.zhi@...el.com, akihiko.odaki@...il.com,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        ye xingchen <ye.xingchen@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH linux-next] ASoC: Intel: sof_nau8825: use function
 devm_kcalloc() instead of devm_kzalloc()



On 9/16/22 08:23, cgel.zte@...il.com wrote:
> From: ye xingchen <ye.xingchen@....com.cn>
> 
> Use 2-factor multiplication argument form devm_kcalloc() instead
> of devm_kzalloc().
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: ye xingchen <ye.xingchen@....com.cn>

Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>


> ---
>  sound/soc/intel/boards/sof_nau8825.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/sound/soc/intel/boards/sof_nau8825.c b/sound/soc/intel/boards/sof_nau8825.c
> index 8d7e5ba9e516..5585c217f78d 100644
> --- a/sound/soc/intel/boards/sof_nau8825.c
> +++ b/sound/soc/intel/boards/sof_nau8825.c
> @@ -355,10 +355,10 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
>  	struct snd_soc_dai_link *links;
>  	int i, id = 0;
>  
> -	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
> -			     sof_audio_card_nau8825.num_links, GFP_KERNEL);
> -	cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
> -			     sof_audio_card_nau8825.num_links, GFP_KERNEL);
> +	links = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
> +			    sizeof(struct snd_soc_dai_link), GFP_KERNEL);
> +	cpus = devm_kcalloc(dev, sof_audio_card_nau8825.num_links,
> +			    sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
>  	if (!links || !cpus)
>  		goto devm_err;
>  
> @@ -421,9 +421,10 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
>  
>  	/* HDMI */
>  	if (hdmi_num > 0) {
> -		idisp_components = devm_kzalloc(dev,
> -						sizeof(struct snd_soc_dai_link_component) *
> -						hdmi_num, GFP_KERNEL);
> +		idisp_components = devm_kcalloc(dev,
> +						hdmi_num,
> +						sizeof(struct snd_soc_dai_link_component),
> +						GFP_KERNEL);
>  		if (!idisp_components)
>  			goto devm_err;
>  	}