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authorTakashi Iwai <tiwai@suse.de>2007-11-15 16:16:32 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:25 +0100
commit498ade1a133dffd0f3ee90952737045d56e6689a (patch)
tree2ab70ccf64f0aa1d615d026a56705a77ca0eb305 /sound/aoa/codecs/snd-aoa-codec-tas.c
parent02ff1324930675599694bb1285afc4341f98a7a1 (diff)
[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>
Diffstat (limited to 'sound/aoa/codecs/snd-aoa-codec-tas.c')
-rw-r--r--sound/aoa/codecs/snd-aoa-codec-tas.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c
index 70c34168479..7a16a3331f7 100644
--- a/sound/aoa/codecs/snd-aoa-codec-tas.c
+++ b/sound/aoa/codecs/snd-aoa-codec-tas.c
@@ -248,6 +248,13 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol,
{
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 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol,
{
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 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol,
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 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
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 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol,
{
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 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol,
{
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);