linux-kernel - [PATCH v3 2/2] ASoC: Intel: Skylake: Zero snd_ctl_elem

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Message-Id: <20210121175151.139111-2-ribalda@chromium.org>
Date:   Thu, 21 Jan 2021 18:51:51 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        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>
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v3 2/2] ASoC: Intel: Skylake: Zero snd_ctl_elem_value

Clear struct snd_ctl_elem_value before calling ->put() to avoid any data
leak.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@...el.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 ffd37aaecdf1..76a04a883e63 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