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* [patch] ASoC: es8328: harmless underflow in es8328_put_deemph()
@ 2015-10-13  7:11 Dan Carpenter
  2015-10-22 12:58 ` Mark Brown
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2015-10-13  7:11 UTC (permalink / raw)
  To: Liam Girdwood
  Cc: Mark Brown, Jaroslav Kysela, Takashi Iwai, Lars-Peter Clausen,
	Wei Yongjun, alsa-devel, kernel-janitors

Valid values for "deemph" are zero and one but we accidentally allow
negative values as well.  It's harmless but it causes static checker
warnings and we may as well clean it up.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index 6a09101..969e337 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -129,7 +129,7 @@ static int es8328_put_deemph(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct es8328_priv *es8328 = snd_soc_codec_get_drvdata(codec);
-	int deemph = ucontrol->value.integer.value[0];
+	unsigned int deemph = ucontrol->value.integer.value[0];
 	int ret;
 
 	if (deemph > 1)

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2015-10-13  7:11 [patch] ASoC: es8328: harmless underflow in es8328_put_deemph() Dan Carpenter
2015-10-22 12:58 ` Mark Brown

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