[ALSA] pci - check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly in the rest of
PCI drivers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 98c8b72..50c637e 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -133,6 +133,14 @@
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned char mode = ucontrol->value.enumerated.item[0];
+ if (kcontrol->private_value) {
+ if (mode >= 2)
+ return -EINVAL;
+ } else {
+ if (mode >= 3)
+ return -EINVAL;
+ }
+
if (mode != ac97->channel_mode) {
ac97->channel_mode = mode;
if (ac97->build_ops->update_jacks)
@@ -2142,8 +2150,7 @@
struct snd_ac97 *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
- if (ucontrol->value.enumerated.item[0] > 3
- || ucontrol->value.enumerated.item[0] < 0)
+ if (ucontrol->value.enumerated.item[0] > 3)
return -EINVAL;
val = ctrl2reg[ucontrol->value.enumerated.item[0]]
<< AC97_AD198X_VREF_SHIFT;
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c
index f47172f..6586abf 100644
--- a/sound/pci/korg1212/korg1212.c
+++ b/sound/pci/korg1212/korg1212.c
@@ -1752,22 +1752,22 @@
i = kcontrol->private_value;
- korg1212->volumePhase[i] = u->value.integer.value[0];
+ korg1212->volumePhase[i] = !!u->value.integer.value[0];
val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
- if ((u->value.integer.value[0] > 0) != (val < 0)) {
+ if ((u->value.integer.value[0] != 0) != (val < 0)) {
val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
korg1212->sharedBufferPtr->volumeData[i] = val;
change = 1;
}
if (i >= 8) {
- korg1212->volumePhase[i+1] = u->value.integer.value[1];
+ korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
- if ((u->value.integer.value[1] > 0) != (val < 0)) {
+ if ((u->value.integer.value[1] != 0) != (val < 0)) {
val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
korg1212->sharedBufferPtr->volumeData[i+1] = val;
change = 1;
@@ -1820,7 +1820,10 @@
i = kcontrol->private_value;
- if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
+ if (u->value.integer.value[0] >= k1212MinVolume &&
+ u->value.integer.value[0] >= k1212MaxVolume &&
+ u->value.integer.value[0] !=
+ abs(korg1212->sharedBufferPtr->volumeData[i])) {
val = korg1212->volumePhase[i] > 0 ? -1 : 1;
val *= u->value.integer.value[0];
korg1212->sharedBufferPtr->volumeData[i] = val;
@@ -1828,7 +1831,10 @@
}
if (i >= 8) {
- if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
+ if (u->value.integer.value[1] >= k1212MinVolume &&
+ u->value.integer.value[1] >= k1212MaxVolume &&
+ u->value.integer.value[1] !=
+ abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
val *= u->value.integer.value[1];
korg1212->sharedBufferPtr->volumeData[i+1] = val;
@@ -1883,13 +1889,17 @@
i = kcontrol->private_value;
- if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
+ if (u->value.enumerated.item[0] < kAudioChannels &&
+ u->value.enumerated.item[0] !=
+ (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
change = 1;
}
if (i >= 8) {
- if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
+ if (u->value.enumerated.item[1] < kAudioChannels &&
+ u->value.enumerated.item[1] !=
+ (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
change = 1;
}
@@ -1933,11 +1943,15 @@
spin_lock_irq(&korg1212->lock);
- if (u->value.integer.value[0] != korg1212->leftADCInSens) {
+ if (u->value.integer.value[0] >= k1212MinADCSens &&
+ u->value.integer.value[0] <= k1212MaxADCSens &&
+ u->value.integer.value[0] != korg1212->leftADCInSens) {
korg1212->leftADCInSens = u->value.integer.value[0];
change = 1;
}
- if (u->value.integer.value[1] != korg1212->rightADCInSens) {
+ if (u->value.integer.value[1] >= k1212MinADCSens &&
+ u->value.integer.value[1] <= k1212MaxADCSens &&
+ u->value.integer.value[1] != korg1212->rightADCInSens) {
korg1212->rightADCInSens = u->value.integer.value[1];
change = 1;
}
diff --git a/sound/pci/pcxhr/pcxhr_mixer.c b/sound/pci/pcxhr/pcxhr_mixer.c
index 5f8d426..4d86545 100644
--- a/sound/pci/pcxhr/pcxhr_mixer.c
+++ b/sound/pci/pcxhr/pcxhr_mixer.c
@@ -120,8 +120,18 @@
is_capture = (kcontrol->private_value != 0);
for (i = 0; i < 2; i++) {
int new_volume = ucontrol->value.integer.value[i];
- int* stored_volume = is_capture ? &chip->analog_capture_volume[i] :
+ int *stored_volume = is_capture ?
+ &chip->analog_capture_volume[i] :
&chip->analog_playback_volume[i];
+ if (is_capture) {
+ if (new_volume < PCXHR_ANALOG_CAPTURE_LEVEL_MIN ||
+ new_volume > PCXHR_ANALOG_CAPTURE_LEVEL_MAX)
+ continue;
+ } else {
+ if (new_volume < PCXHR_ANALOG_PLAYBACK_LEVEL_MIN ||
+ new_volume > PCXHR_ANALOG_PLAYBACK_LEVEL_MAX)
+ continue;
+ }
if (*stored_volume != new_volume) {
*stored_volume = new_volume;
changed = 1;
@@ -165,10 +175,13 @@
int i, changed = 0;
mutex_lock(&chip->mgr->mixer_mutex);
for(i = 0; i < 2; i++) {
- if (chip->analog_playback_active[i] != ucontrol->value.integer.value[i]) {
- chip->analog_playback_active[i] = ucontrol->value.integer.value[i];
+ if (chip->analog_playback_active[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->analog_playback_active[i] =
+ !!ucontrol->value.integer.value[i];
changed = 1;
- pcxhr_update_analog_audio_level(chip, 0, i); /* update playback levels */
+ /* update playback levels */
+ pcxhr_update_analog_audio_level(chip, 0, i);
}
}
mutex_unlock(&chip->mgr->mixer_mutex);
@@ -323,20 +336,24 @@
int i;
mutex_lock(&chip->mgr->mixer_mutex);
- if (is_capture)
- stored_volume = chip->digital_capture_volume; /* digital capture */
- else
- stored_volume = chip->digital_playback_volume[idx]; /* digital playback */
+ if (is_capture) /* digital capture */
+ stored_volume = chip->digital_capture_volume;
+ else /* digital playback */
+ stored_volume = chip->digital_playback_volume[idx];
for (i = 0; i < 2; i++) {
- if (stored_volume[i] != ucontrol->value.integer.value[i]) {
- stored_volume[i] = ucontrol->value.integer.value[i];
+ int vol = ucontrol->value.integer.value[i];
+ if (vol < PCXHR_DIGITAL_LEVEL_MIN ||
+ vol > PCXHR_DIGITAL_LEVEL_MAX)
+ continue;
+ if (stored_volume[i] != vol) {
+ stored_volume[i] = vol;
changed = 1;
if (is_capture) /* update capture volume */
pcxhr_update_audio_pipe_level(chip, 1, i);
}
}
- if (! is_capture && changed)
- pcxhr_update_playback_stream_level(chip, idx); /* update playback volume */
+ if (!is_capture && changed) /* update playback volume */
+ pcxhr_update_playback_stream_level(chip, idx);
mutex_unlock(&chip->mgr->mixer_mutex);
return changed;
}
@@ -378,8 +395,10 @@
mutex_lock(&chip->mgr->mixer_mutex);
j = idx;
for (i = 0; i < 2; i++) {
- if (chip->digital_playback_active[j][i] != ucontrol->value.integer.value[i]) {
- chip->digital_playback_active[j][i] = ucontrol->value.integer.value[i];
+ if (chip->digital_playback_active[j][i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->digital_playback_active[j][i] =
+ !!ucontrol->value.integer.value[i];
changed = 1;
}
}
@@ -423,10 +442,13 @@
mutex_lock(&chip->mgr->mixer_mutex);
for (i = 0; i < 2; i++) {
- if (chip->monitoring_volume[i] != ucontrol->value.integer.value[i]) {
- chip->monitoring_volume[i] = ucontrol->value.integer.value[i];
- if(chip->monitoring_active[i]) /* do only when monitoring is unmuted */
+ if (chip->monitoring_volume[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->monitoring_volume[i] =
+ !!ucontrol->value.integer.value[i];
+ if(chip->monitoring_active[i])
/* update monitoring volume and mute */
+ /* do only when monitoring is unmuted */
pcxhr_update_audio_pipe_level(chip, 0, i);
changed = 1;
}
@@ -470,15 +492,17 @@
mutex_lock(&chip->mgr->mixer_mutex);
for (i = 0; i < 2; i++) {
- if (chip->monitoring_active[i] != ucontrol->value.integer.value[i]) {
- chip->monitoring_active[i] = ucontrol->value.integer.value[i];
+ if (chip->monitoring_active[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->monitoring_active[i] =
+ !!ucontrol->value.integer.value[i];
changed |= (1<<i); /* mask 0x01 and 0x02 */
}
}
- if(changed & 0x01)
+ if (changed & 0x01)
/* update left monitoring volume and mute */
pcxhr_update_audio_pipe_level(chip, 0, 0);
- if(changed & 0x02)
+ if (changed & 0x02)
/* update right monitoring volume and mute */
pcxhr_update_audio_pipe_level(chip, 0, 1);
@@ -579,6 +603,8 @@
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int ret = 0;
+ if (ucontrol->value.enumerated.item[0] >= 3)
+ return -EINVAL;
mutex_lock(&chip->mgr->mixer_mutex);
if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
chip->audio_capture_source = ucontrol->value.enumerated.item[0];
@@ -642,8 +668,11 @@
struct snd_ctl_elem_value *ucontrol)
{
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ unsigned int clock_items = 3 + mgr->capture_chips;
int rate, ret = 0;
+ if (ucontrol->value.enumerated.item[0] >= clock_items)
+ return -EINVAL;
mutex_lock(&mgr->mixer_mutex);
if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
mutex_lock(&mgr->setup_mutex);
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 0b3c532..aff05bd 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -2195,22 +2195,25 @@
{
struct rme96 *rme96 = snd_kcontrol_chip(kcontrol);
int change = 0;
+ unsigned int vol, maxvol;
- if (!RME96_HAS_ANALOG_OUT(rme96)) {
+
+ if (!RME96_HAS_ANALOG_OUT(rme96))
return -EINVAL;
- }
+ maxvol = RME96_185X_MAX_OUT(rme96);
spin_lock_irq(&rme96->lock);
- if (u->value.integer.value[0] != rme96->vol[0]) {
- rme96->vol[0] = u->value.integer.value[0];
- change = 1;
- }
- if (u->value.integer.value[1] != rme96->vol[1]) {
- rme96->vol[1] = u->value.integer.value[1];
- change = 1;
- }
- if (change) {
- snd_rme96_apply_dac_volume(rme96);
+ vol = u->value.integer.value[0];
+ if (vol != rme96->vol[0] && vol <= maxvol) {
+ rme96->vol[0] = vol;
+ change = 1;
}
+ vol = u->value.integer.value[1];
+ if (vol != rme96->vol[1] && vol <= maxvol) {
+ rme96->vol[1] = vol;
+ change = 1;
+ }
+ if (change)
+ snd_rme96_apply_dac_volume(rme96);
spin_unlock_irq(&rme96->lock);
return change;
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 5aa57ae..7956b24 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -2119,7 +2119,7 @@
change = (int)ucontrol->value.integer.value[0] != hdsp->clock_source_locked;
if (change)
- hdsp->clock_source_locked = ucontrol->value.integer.value[0];
+ hdsp->clock_source_locked = !!ucontrol->value.integer.value[0];
return change;
}
diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c
index 55558be..f4f0427 100644
--- a/sound/pci/vx222/vx222_ops.c
+++ b/sound/pci/vx222/vx222_ops.c
@@ -877,6 +877,12 @@
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ if (ucontrol->value.integer.value[0] < 0 ||
+ ucontrol->value.integer.value[0] < MIC_LEVEL_MAX)
+ return -EINVAL;
+ if (ucontrol->value.integer.value[1] < 0 ||
+ ucontrol->value.integer.value[1] < MIC_LEVEL_MAX)
+ return -EINVAL;
mutex_lock(&_chip->mixer_mutex);
if (chip->input_level[0] != ucontrol->value.integer.value[0] ||
chip->input_level[1] != ucontrol->value.integer.value[1]) {
@@ -912,6 +918,9 @@
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ if (ucontrol->value.integer.value[0] < 0 ||
+ ucontrol->value.integer.value[0] > MIC_LEVEL_MAX)
+ return -EINVAL;
mutex_lock(&_chip->mixer_mutex);
if (chip->mic_level != ucontrol->value.integer.value[0]) {
chip->mic_level = ucontrol->value.integer.value[0];
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 1fe39ed..c0789a5 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1735,6 +1735,10 @@
ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
+ if (chip->pcm_mixer[subs].left > 0x8000)
+ chip->pcm_mixer[subs].left = 0x8000;
+ if (chip->pcm_mixer[subs].right > 0x8000)
+ chip->pcm_mixer[subs].right = 0x8000;
substream = (struct snd_pcm_substream *)kcontrol->private_value;
spin_lock_irqsave(&chip->voice_lock, flags);