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[ALSA] vxpocket - Check value range in ctl callbacks

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Check the value ranges in ctl put callbacks in vxpocket driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai 2007-11-15 16:13:32 +01:00 committed by Jaroslav Kysela
parent 9c45ba1005
commit d05ab185b7
2 changed files with 56 additions and 22 deletions
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67
sound/drivers/vx/vx_mixer.c
View file

@ -439,14 +439,19 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
unsigned int val[2], vmax;
vmax = chip->hw->output_level_max;
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > vmax || val[1] > vmax)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->output_level[codec][0] ||
ucontrol->value.integer.value[1] != chip->output_level[codec][1]) {
vx_set_analog_output_level(chip, codec,
ucontrol->value.integer.value[0],
ucontrol->value.integer.value[1]);
chip->output_level[codec][0] = ucontrol->value.integer.value[0];
chip->output_level[codec][1] = ucontrol->value.integer.value[1];
if (val[0] != chip->output_level[codec][0] ||
val[1] != chip->output_level[codec][1]) {
vx_set_analog_output_level(chip, codec, val[0], val[1]);
chip->output_level[codec][0] = val[0];
chip->output_level[codec][1] = val[1];
mutex_unlock(&chip->mixer_mutex);
return 1;
}
@ -506,6 +511,14 @@ static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
if (chip->type >= VX_TYPE_VXPOCKET) {
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
} else {
if (ucontrol->value.enumerated.item[0] > 1)
return -EINVAL;
}
mutex_lock(&chip->mixer_mutex);
if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
chip->audio_source_target = ucontrol->value.enumerated.item[0];
@ -554,6 +567,9 @@ static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
chip->clock_mode = ucontrol->value.enumerated.item[0];
@ -603,12 +619,17 @@ static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
unsigned int val[2];
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_gain[capture][audio] ||
ucontrol->value.integer.value[1] != chip->audio_gain[capture][audio+1]) {
vx_set_audio_gain(chip, audio, capture, ucontrol->value.integer.value[0]);
vx_set_audio_gain(chip, audio+1, capture, ucontrol->value.integer.value[1]);
if (val[0] != chip->audio_gain[capture][audio] ||
val[1] != chip->audio_gain[capture][audio+1]) {
vx_set_audio_gain(chip, audio, capture, val[0]);
vx_set_audio_gain(chip, audio+1, capture, val[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
@ -632,13 +653,19 @@ static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
unsigned int val[2];
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_monitor[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor[audio+1]) {
vx_set_monitor_level(chip, audio, ucontrol->value.integer.value[0],
if (val[0] != chip->audio_monitor[audio] ||
val[1] != chip->audio_monitor[audio+1]) {
vx_set_monitor_level(chip, audio, val[0],
chip->audio_monitor_active[audio]);
vx_set_monitor_level(chip, audio+1, ucontrol->value.integer.value[1],
vx_set_monitor_level(chip, audio+1, val[1],
chip->audio_monitor_active[audio+1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
@ -669,8 +696,10 @@ static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_va
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
vx_set_audio_switch(chip, audio, ucontrol->value.integer.value[0]);
vx_set_audio_switch(chip, audio+1, ucontrol->value.integer.value[1]);
vx_set_audio_switch(chip, audio,
!!ucontrol->value.integer.value[0]);
vx_set_audio_switch(chip, audio+1,
!!ucontrol->value.integer.value[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
@ -699,9 +728,9 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
ucontrol->value.integer.value[0]);
!!ucontrol->value.integer.value[0]);
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
ucontrol->value.integer.value[1]);
!!ucontrol->value.integer.value[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}

11
sound/pcmcia/vx/vxp_mixer.c
View file

@ -53,6 +53,10 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
unsigned int val = ucontrol->value.integer.value[0];
if (val > MIC_LEVEL_MAX)
return -EINVAL;
mutex_lock(&_chip->mixer_mutex);
if (chip->mic_level != ucontrol->value.integer.value[0]) {
vx_set_mic_level(_chip, ucontrol->value.integer.value[0]);
@ -94,10 +98,11 @@ static int vx_mic_boost_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vxpocket *chip = (struct snd_vxpocket *)_chip;
int val = !!ucontrol->value.integer.value[0];
mutex_lock(&_chip->mixer_mutex);
if (chip->mic_level != ucontrol->value.integer.value[0]) {
vx_set_mic_boost(_chip, ucontrol->value.integer.value[0]);
chip->mic_level = ucontrol->value.integer.value[0];
if (chip->mic_level != val) {
vx_set_mic_boost(_chip, val);
chip->mic_level = val;
mutex_unlock(&_chip->mixer_mutex);
return 1;
}