linux-kernel - Re: [PATCH v2 2/2] ASoC: Intel: Skylake: Zero snd_ctl_elem

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Message-ID: <YAm+JxMdvhmKBWQt@smile.fi.intel.com>
Date:   Thu, 21 Jan 2021 19:47:19 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Ricardo Ribalda <ribalda@...omium.org>
Cc:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Mateusz Gorski <mateusz.gorski@...ux.intel.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Lukasz Majczak <lma@...ihalf.com>
Subject: Re: [PATCH v2 2/2] ASoC: Intel: Skylake: Zero snd_ctl_elem_value

On Thu, Jan 21, 2021 at 06:16:44PM +0100, Ricardo Ribalda wrote:
> Clear struct snd_ctl_elem_value before calling ->put() to avoid any data
> leak.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
>  sound/soc/intel/skylake/skl-topology.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
> index 1ef30ca45410..b824086203b9 100644
> --- a/sound/soc/intel/skylake/skl-topology.c
> +++ b/sound/soc/intel/skylake/skl-topology.c
> @@ -3632,7 +3632,7 @@ static void skl_tplg_complete(struct snd_soc_component *component)
>  		sprintf(chan_text, "c%d", mach->mach_params.dmic_num);
>  
>  		for (i = 0; i < se->items; i++) {
> -			struct snd_ctl_elem_value val;
> +			struct snd_ctl_elem_value val = {};
>  
>  			if (strstr(texts[i], chan_text)) {
>  				val.value.enumerated.item[0] = i;
> -- 
> 2.30.0.296.g2bfb1c46d8-goog
> 

-- 
With Best Regards,
Andy Shevchenko