[PATCH AUTOSEL 5.4 04/17] ASoC: Intel: Skylake: Zero snd_ctl_elem_value

Sasha Levin sashal at kernel.org
Tue Feb 2 16:06:38 CET 2021


From: Ricardo Ribalda <ribalda at chromium.org>

[ Upstream commit 1d8fe0648e118fd495a2cb393a34eb8d428e7808 ]

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

Signed-off-by: Ricardo Ribalda <ribalda at chromium.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski at intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Link: https://lore.kernel.org/r/20210121171644.131059-2-ribalda@chromium.org
Signed-off-by: Mark Brown <broonie at kernel.org>
Signed-off-by: Sasha Levin <sashal at kernel.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 aa5833001fde5..b8e393bb716fb 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -3631,7 +3631,7 @@ 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;
-- 
2.27.0



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