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authorDan Carpenter <dan.carpenter@oracle.com>2015-10-13 10:09:19 +0300
committerMark Brown <broonie@kernel.org>2015-10-22 13:55:50 +0100
commitc1fe81f2cd30c18d7df444697bac8051fdf2aee6 (patch)
tree8a297400c2fbe681d10291170c08d828d9ca503d /sound
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff)
ASoC: wm8960: harmless underflow in wm8960_put_deemph()
We should only accept "deemph" values of zero and one, but by mistake we accept negatives as well. It's harmless but let's clean it up anyway. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8960.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index e3b7d0c57411..dc47c2fa6622 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -201,7 +201,7 @@ static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
- int deemph = ucontrol->value.integer.value[0];
+ unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1)
return -EINVAL;