linux-kernel - RE: [PATCH 1/3] ASoC: da7218: Delete two error messages for a failed memory allocation in da7218_of_to

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Date:   Fri, 24 Nov 2017 11:44:52 +0000
From:   Adam Thomson <Adam.Thomson.Opensource@...semi.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "Support Opensource" <Support.Opensource@...semi.com>,
        Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        "Liam Girdwood" <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>
CC:     LKML <linux-kernel@...r.kernel.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>
Subject: RE: [PATCH 1/3] ASoC: da7218: Delete two error messages for a
 failed memory allocation in da7218_of_to_pdata()

On 23 November 2017 20:05, SF Markus Elfring wrote:

> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Thu, 23 Nov 2017 20:42:20 +0100
> 
> Omit extra messages for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Acked-by: Adam Thomson <Adam.Thomson.Opensource@...semi.com>

> ---
>  sound/soc/codecs/da7218.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/sound/soc/codecs/da7218.c b/sound/soc/codecs/da7218.c
> index 56564ce90cb6..25ab7443d803 100644
> --- a/sound/soc/codecs/da7218.c
> +++ b/sound/soc/codecs/da7218.c
> @@ -2455,10 +2455,8 @@ static struct da7218_pdata *da7218_of_to_pdata(struct
> snd_soc_codec *codec)
>  	u32 of_val32;
> 
>  	pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
> -	if (!pdata) {
> -		dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
> +	if (!pdata)
>  		return NULL;
> -	}
> 
>  	if (of_property_read_u32(np, "dlg,micbias1-lvl-millivolt", &of_val32) >= 0)
>  		pdata->micbias1_lvl = da7218_of_micbias_lvl(codec, of_val32);
> @@ -2527,8 +2525,6 @@ static struct da7218_pdata *da7218_of_to_pdata(struct
> snd_soc_codec *codec)
>  		hpldet_pdata = devm_kzalloc(codec->dev, sizeof(*hpldet_pdata),
>  					    GFP_KERNEL);
>  		if (!hpldet_pdata) {
> -			dev_warn(codec->dev,
> -				 "Failed to allocate memory for hpldet pdata\n");
>  			of_node_put(hpldet_np);
>  			return pdata;
>  		}
> --
> 2.15.0