diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-10-13 09:10:48 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-22 14:57:39 +0200 |
| commit | 3e2a71b232d6b6270eda72ff659c31c97899c00d (patch) | |
| tree | 8381ee7bb377bdcece781722c53f7e9d9e327638 /sound/soc/codecs/wm8955.c | |
| parent | Linux 4.3-rc1 (diff) | |
| download | linux-3e2a71b232d6b6270eda72ff659c31c97899c00d.tar.xz linux-3e2a71b232d6b6270eda72ff659c31c97899c00d.zip | |
ASoC: wm8955: harmless underflow in wm8955_put_deemph()
Valid values for "deemph" are zero and one, but we mistakenly allow
negative values as well. It's harmless but we may as well clean it up.
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/soc/codecs/wm8955.c')
| -rw-r--r-- | sound/soc/codecs/wm8955.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8955.c b/sound/soc/codecs/wm8955.c index 12e4435f00f8..9db00d53abe7 100644 --- a/sound/soc/codecs/wm8955.c +++ b/sound/soc/codecs/wm8955.c @@ -402,7 +402,7 @@ static int wm8955_put_deemph(struct snd_kcontrol *kcontrol, { struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct wm8955_priv *wm8955 = 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; |