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| author | Takashi Iwai <tiwai@suse.de> | 2007-11-15 16:16:32 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:25 +0100 |
| commit | 498ade1a133dffd0f3ee90952737045d56e6689a (patch) | |
| tree | 2ab70ccf64f0aa1d615d026a56705a77ca0eb305 /sound/aoa/codecs/snd-aoa-codec-onyx.c | |
| parent | 02ff1324930675599694bb1285afc4341f98a7a1 (diff) | |
| download | linux-498ade1a133dffd0f3ee90952737045d56e6689a.tar.bz2 | |
[ALSA] aoa - Check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly in aoa drivers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/aoa/codecs/snd-aoa-codec-onyx.c')
| -rw-r--r-- | sound/aoa/codecs/snd-aoa-codec-onyx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/aoa/codecs/snd-aoa-codec-onyx.c b/sound/aoa/codecs/snd-aoa-codec-onyx.c index 71e3f9360658..6a3837d480e5 100644 --- a/sound/aoa/codecs/snd-aoa-codec-onyx.c +++ b/sound/aoa/codecs/snd-aoa-codec-onyx.c @@ -138,6 +138,13 @@ static int onyx_snd_vol_put(struct snd_kcontrol *kcontrol, struct onyx *onyx = snd_kcontrol_chip(kcontrol); s8 l, r; + if (ucontrol->value.integer.value[0] < -128 + VOLUME_RANGE_SHIFT || + ucontrol->value.integer.value[0] > -1 + VOLUME_RANGE_SHIFT) + return -EINVAL; + if (ucontrol->value.integer.value[1] < -128 + VOLUME_RANGE_SHIFT || + ucontrol->value.integer.value[1] > -1 + VOLUME_RANGE_SHIFT) + return -EINVAL; + mutex_lock(&onyx->mutex); onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_LEFT, &l); onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_RIGHT, &r); @@ -206,6 +213,9 @@ static int onyx_snd_inputgain_put(struct snd_kcontrol *kcontrol, struct onyx *onyx = snd_kcontrol_chip(kcontrol); u8 v, n; + if (ucontrol->value.integer.value[0] < 3 + INPUTGAIN_RANGE_SHIFT || + ucontrol->value.integer.value[0] > 28 + INPUTGAIN_RANGE_SHIFT) + return -EINVAL; mutex_lock(&onyx->mutex); onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &v); n = v; @@ -272,6 +282,8 @@ static void onyx_set_capture_source(struct onyx *onyx, int mic) static int onyx_snd_capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { + if (ucontrol->value.enumerated.item[0] > 1) + return -EINVAL; onyx_set_capture_source(snd_kcontrol_chip(kcontrol), ucontrol->value.enumerated.item[0]); return 1; |