[ALSA] powermac - Check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly in snd-powermac
driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/ppc/awacs.c b/sound/ppc/awacs.c
index 05dabe4..b15bfb6 100644
--- a/sound/ppc/awacs.c
+++ b/sound/ppc/awacs.c
@@ -175,10 +175,12 @@
int inverted = (kcontrol->private_value >> 16) & 1;
int val, oldval;
unsigned long flags;
- int vol[2];
+ unsigned int vol[2];
vol[0] = ucontrol->value.integer.value[0];
vol[1] = ucontrol->value.integer.value[1];
+ if (vol[0] > 0x0f || vol[1] > 0x0f)
+ return -EINVAL;
if (inverted) {
vol[0] = 0x0f - vol[0];
vol[1] = 0x0f - vol[1];
@@ -421,10 +423,14 @@
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int index = kcontrol->private_value;
struct awacs_amp *amp = chip->mixer_data;
+ unsigned int val;
snd_assert(amp, return -EINVAL);
snd_assert(index >= 0 && index <= 1, return -EINVAL);
- if (ucontrol->value.integer.value[0] != amp->amp_tone[index]) {
- amp->amp_tone[index] = ucontrol->value.integer.value[0];
+ val = ucontrol->value.integer.value[0];
+ if (val > 14)
+ return -EINVAL;
+ if (val != amp->amp_tone[index]) {
+ amp->amp_tone[index] = val;
awacs_amp_set_tone(amp, amp->amp_tone[0], amp->amp_tone[1]);
return 1;
}
@@ -456,9 +462,13 @@
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct awacs_amp *amp = chip->mixer_data;
+ unsigned int val;
snd_assert(amp, return -EINVAL);
- if (ucontrol->value.integer.value[0] != amp->amp_master) {
- amp->amp_master = ucontrol->value.integer.value[0];
+ val = ucontrol->value.integer.value[0];
+ if (val > 99)
+ return -EINVAL;
+ if (val != amp->amp_master) {
+ amp->amp_master = val;
awacs_amp_set_master(amp, amp->amp_master);
return 1;
}
diff --git a/sound/ppc/beep.c b/sound/ppc/beep.c
index 566b5ab..465dd04 100644
--- a/sound/ppc/beep.c
+++ b/sound/ppc/beep.c
@@ -195,10 +195,13 @@
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
- int oval;
+ unsigned int oval, nval;
snd_assert(chip->beep, return -ENXIO);
oval = chip->beep->volume;
- chip->beep->volume = ucontrol->value.integer.value[0];
+ nval = ucontrol->value.integer.value[0];
+ if (nval > 100)
+ return -EINVAL;
+ chip->beep->volume = nval;
return oval != chip->beep->volume;
}
diff --git a/sound/ppc/burgundy.c b/sound/ppc/burgundy.c
index e02263f..fec74e8 100644
--- a/sound/ppc/burgundy.c
+++ b/sound/ppc/burgundy.c
@@ -136,6 +136,9 @@
{
int hardvolume, lvolume, rvolume;
+ if (volume[0] < 0 || volume[0] > 100 ||
+ volume[1] < 0 || volume[1] > 100)
+ return; /* -EINVAL */
lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
@@ -301,14 +304,14 @@
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
int stereo = (kcontrol->private_value >> 24) & 1;
- int oval, val;
+ unsigned int oval, val;
oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
- val = ucontrol->value.integer.value[0];
+ val = ucontrol->value.integer.value[0] & 15;
if (stereo)
- val |= ucontrol->value.integer.value[1] << 4;
+ val |= (ucontrol->value.integer.value[1] & 15) << 4;
else
- val |= ucontrol->value.integer.value[0] << 4;
+ val |= val << 4;
val = ~val & 0xff;
snd_pmac_burgundy_wcb(chip, addr, val);
return val != oval;
diff --git a/sound/ppc/daca.c b/sound/ppc/daca.c
index c5a1f0b..0c81457 100644
--- a/sound/ppc/daca.c
+++ b/sound/ppc/daca.c
@@ -115,7 +115,7 @@
return -ENODEV;
change = mix->deemphasis != ucontrol->value.integer.value[0];
if (change) {
- mix->deemphasis = ucontrol->value.integer.value[0];
+ mix->deemphasis = !!ucontrol->value.integer.value[0];
daca_set_volume(mix);
}
return change;
@@ -149,15 +149,20 @@
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_daca *mix;
+ unsigned int vol[2];
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
- change = mix->left_vol != ucontrol->value.integer.value[0] ||
- mix->right_vol != ucontrol->value.integer.value[1];
+ vol[0] = ucontrol->value.integer.value[0];
+ vol[1] = ucontrol->value.integer.value[1];
+ if (vol[0] > DACA_VOL_MAX || vol[1] > DACA_VOL_MAX)
+ return -EINVAL;
+ change = mix->left_vol != vol[0] ||
+ mix->right_vol != vol[1];
if (change) {
- mix->left_vol = ucontrol->value.integer.value[0];
- mix->right_vol = ucontrol->value.integer.value[1];
+ mix->left_vol = vol[0];
+ mix->right_vol = vol[1];
daca_set_volume(mix);
}
return change;
@@ -188,7 +193,7 @@
return -ENODEV;
change = mix->amp_on != ucontrol->value.integer.value[0];
if (change) {
- mix->amp_on = ucontrol->value.integer.value[0];
+ mix->amp_on = !!ucontrol->value.integer.value[0];
i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,
mix->amp_on ? 0x05 : 0x04);
}
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index 4f9b19c..8c47beb 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -1028,7 +1028,7 @@
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.integer.value[0] != chip->auto_mute) {
- chip->auto_mute = ucontrol->value.integer.value[0];
+ chip->auto_mute = !!ucontrol->value.integer.value[0];
if (chip->update_automute)
chip->update_automute(chip, 1);
return 1;
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 5821cdd..bacff3d 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -275,14 +275,20 @@
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix = chip->mixer_data;
+ unsigned int vol[2];
int change;
snd_assert(mix, return -ENODEV);
- change = mix->master_vol[0] != ucontrol->value.integer.value[0] ||
- mix->master_vol[1] != ucontrol->value.integer.value[1];
+ vol[0] = ucontrol->value.integer.value[0];
+ vol[1] = ucontrol->value.integer.value[1];
+ if (vol[0] >= ARRAY_SIZE(master_volume_table) ||
+ vol[1] >= ARRAY_SIZE(master_volume_table))
+ return -EINVAL;
+ change = mix->master_vol[0] != vol[0] ||
+ mix->master_vol[1] != vol[1];
if (change) {
- mix->master_vol[0] = ucontrol->value.integer.value[0];
- mix->master_vol[1] = ucontrol->value.integer.value[1];
+ mix->master_vol[0] = vol[0];
+ mix->master_vol[1] = vol[1];
tumbler_set_master_volume(mix);
}
return change;
@@ -417,13 +423,22 @@
{
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
+ unsigned int val;
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
- change = mix->drc_range != ucontrol->value.integer.value[0];
+ val = ucontrol->value.integer.value[0];
+ if (chip->model == PMAC_TUMBLER) {
+ if (val > TAS3001_DRC_MAX)
+ return -EINVAL;
+ } else {
+ if (val > TAS3004_DRC_MAX)
+ return -EINVAL;
+ }
+ change = mix->drc_range != val;
if (change) {
- mix->drc_range = ucontrol->value.integer.value[0];
+ mix->drc_range = val;
if (chip->model == PMAC_TUMBLER)
tumbler_set_drc(mix);
else
@@ -530,13 +545,17 @@
struct tumbler_mono_vol *info = (struct tumbler_mono_vol *)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
+ unsigned int vol;
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
- change = mix->mono_vol[info->index] != ucontrol->value.integer.value[0];
+ vol = ucontrol->value.integer.value[0];
+ if (vol >= info->max)
+ return -EINVAL;
+ change = mix->mono_vol[info->index] != vol;
if (change) {
- mix->mono_vol[info->index] = ucontrol->value.integer.value[0];
+ mix->mono_vol[info->index] = vol;
tumbler_set_mono_volume(mix, info);
}
return change;
@@ -672,15 +691,21 @@
int idx = (int)kcontrol->private_value;
struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
struct pmac_tumbler *mix;
+ unsigned int vol[2];
int change;
if (! (mix = chip->mixer_data))
return -ENODEV;
- change = mix->mix_vol[idx][0] != ucontrol->value.integer.value[0] ||
- mix->mix_vol[idx][1] != ucontrol->value.integer.value[1];
+ vol[0] = ucontrol->value.integer.value[0];
+ vol[1] = ucontrol->value.integer.value[1];
+ if (vol[0] >= ARRAY_SIZE(mixer_volume_table) ||
+ vol[1] >= ARRAY_SIZE(mixer_volume_table))
+ return -EINVAL;
+ change = mix->mix_vol[idx][0] != vol[0] ||
+ mix->mix_vol[idx][1] != vol[1];
if (change) {
- mix->mix_vol[idx][0] = ucontrol->value.integer.value[0];
- mix->mix_vol[idx][1] = ucontrol->value.integer.value[1];
+ mix->mix_vol[idx][0] = vol[0];
+ mix->mix_vol[idx][1] = vol[1];
snapper_set_mix_vol(mix, idx);
}
return change;
@@ -784,7 +809,7 @@
struct pmac_tumbler *mix = chip->mixer_data;
snd_assert(mix, return -ENODEV);
- ucontrol->value.integer.value[0] = mix->capture_source;
+ ucontrol->value.enumerated.value[0] = mix->capture_source;
return 0;
}
@@ -796,9 +821,9 @@
int change;
snd_assert(mix, return -ENODEV);
- change = ucontrol->value.integer.value[0] != mix->capture_source;
+ change = ucontrol->value.enuemerated.item[0] != mix->capture_source;
if (change) {
- mix->capture_source = !!ucontrol->value.integer.value[0];
+ mix->capture_source = !!ucontrol->value.enumerated.item[0];
snapper_set_capture_source(mix);
}
return change;