ASoC: Intel: Skylake: Zero snd_ctl_elem_value

[ Upstream commit 1d8fe0648e118fd495a2cb393a34eb8d428e7808 ]

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

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210121171644.131059-2-ribalda@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index d699e61..0955cbb 100644 (file)
--- 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;