[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>
diff --git a/sound/aoa/codecs/snd-aoa-codec-onyx.c b/sound/aoa/codecs/snd-aoa-codec-onyx.c
index 71e3f93..6a3837d 100644
--- a/sound/aoa/codecs/snd-aoa-codec-onyx.c
+++ b/sound/aoa/codecs/snd-aoa-codec-onyx.c
@@ -138,6 +138,13 @@
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 @@
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 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;
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c
index 70c3416..7a16a33 100644
--- a/sound/aoa/codecs/snd-aoa-codec-tas.c
+++ b/sound/aoa/codecs/snd-aoa-codec-tas.c
@@ -248,6 +248,13 @@
{
struct tas *tas = snd_kcontrol_chip(kcontrol);
+ if (ucontrol->value.integer.value[0] < 0 ||
+ ucontrol->value.integer.value[0] > 177)
+ return -EINVAL;
+ if (ucontrol->value.integer.value[1] < 0 ||
+ ucontrol->value.integer.value[1] > 177)
+ return -EINVAL;
+
mutex_lock(&tas->mtx);
if (tas->cached_volume_l == ucontrol->value.integer.value[0]
&& tas->cached_volume_r == ucontrol->value.integer.value[1]) {
@@ -401,6 +408,10 @@
{
struct tas *tas = snd_kcontrol_chip(kcontrol);
+ if (ucontrol->value.integer.value[0] < 0 ||
+ ucontrol->value.integer.value[0] > TAS3004_DRC_MAX)
+ return -EINVAL;
+
mutex_lock(&tas->mtx);
if (tas->drc_range == ucontrol->value.integer.value[0]) {
mutex_unlock(&tas->mtx);
@@ -447,7 +458,7 @@
return 0;
}
- tas->drc_enabled = ucontrol->value.integer.value[0];
+ tas->drc_enabled = !!ucontrol->value.integer.value[0];
if (tas->hw_enabled)
tas3004_set_drc(tas);
mutex_unlock(&tas->mtx);
@@ -494,6 +505,8 @@
struct tas *tas = snd_kcontrol_chip(kcontrol);
int oldacr;
+ if (ucontrol->value.enumerated.item[0] > 1)
+ return -EINVAL;
mutex_lock(&tas->mtx);
oldacr = tas->acr;
@@ -562,6 +575,9 @@
{
struct tas *tas = snd_kcontrol_chip(kcontrol);
+ if (ucontrol->value.integer.value[0] < TAS3004_TREBLE_MIN ||
+ ucontrol->value.integer.value[0] > TAS3004_TREBLE_MAX)
+ return -EINVAL;
mutex_lock(&tas->mtx);
if (tas->treble == ucontrol->value.integer.value[0]) {
mutex_unlock(&tas->mtx);
@@ -610,6 +626,9 @@
{
struct tas *tas = snd_kcontrol_chip(kcontrol);
+ if (ucontrol->value.integer.value[0] < TAS3004_BASS_MIN ||
+ ucontrol->value.integer.value[0] > TAS3004_BASS_MAX)
+ return -EINVAL;
mutex_lock(&tas->mtx);
if (tas->bass == ucontrol->value.integer.value[0]) {
mutex_unlock(&tas->mtx);
diff --git a/sound/aoa/fabrics/snd-aoa-fabric-layout.c b/sound/aoa/fabrics/snd-aoa-fabric-layout.c
index 8b2ba99..dea7abb 100644
--- a/sound/aoa/fabrics/snd-aoa-fabric-layout.c
+++ b/sound/aoa/fabrics/snd-aoa-fabric-layout.c
@@ -600,7 +600,7 @@
struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol); \
if (gpio->methods && gpio->methods->get_##n) \
gpio->methods->set_##n(gpio, \
- ucontrol->value.integer.value[0]); \
+ !!ucontrol->value.integer.value[0]); \
return 1; \
} \
static struct snd_kcontrol_new n##_ctl = { \