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authorTakashi Iwai <tiwai@suse.de>2007-11-15 16:13:32 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:25 +0100
commitd05ab185b770de96399766be6bcb5769ab99bc09 (patch)
tree4dbcebd67139f890aa5568ba06efbecf4fd40454 /sound/drivers
parent9c45ba100501c206658f356ea1db3263947b9a30 (diff)
downloadop-kernel-dev-d05ab185b770de96399766be6bcb5769ab99bc09.zip
op-kernel-dev-d05ab185b770de96399766be6bcb5769ab99bc09.tar.gz
[ALSA] vxpocket - Check value range in ctl callbacks
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>
Diffstat (limited to 'sound/drivers')
-rw-r--r--sound/drivers/vx/vx_mixer.c67
1 files changed, 48 insertions, 19 deletions
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c
index b8fcd79..a37f0a8 100644
--- a/sound/drivers/vx/vx_mixer.c
+++ b/sound/drivers/vx/vx_mixer.c
@@ -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;
}
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