[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/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;