[PATCH 4/4] ASoC: mediatek: mt6359: fix UNINIT problem

Trevor Wu trevor.wu at mediatek.com
Mon Mar 6 20:09:38 PST 2023


Coverity shows decaring variable reg without initializer. When
regmap_read returns an error, reg keeps the value left from earlier
computation. To prevent from the unexpected result in the case, assign
0 to reg.

Signed-off-by: Trevor Wu <trevor.wu at mediatek.com>
---
 sound/soc/codecs/mt6359.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/mt6359.c b/sound/soc/codecs/mt6359.c
index c9a453ce8a2a..cb487e63615c 100644
--- a/sound/soc/codecs/mt6359.c
+++ b/sound/soc/codecs/mt6359.c
@@ -358,7 +358,7 @@ static int mt6359_put_volsw(struct snd_kcontrol *kcontrol,
 	struct mt6359_priv *priv = snd_soc_component_get_drvdata(component);
 	struct soc_mixer_control *mc =
 			(struct soc_mixer_control *)kcontrol->private_value;
-	unsigned int reg;
+	unsigned int reg = 0;
 	int index = ucontrol->value.integer.value[0];
 	int ret;
 
-- 
2.18.0




More information about the Linux-mediatek mailing list