[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>

7 files changed, 112 insertions, 46 deletions

diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 98c8b727b62..50c637e55ff 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -133,6 +133,14 @@ static int ac97_channel_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
         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 @@ static int snd_ac97_ad1985_vrefout_put(struct snd_kcontrol *kcontrol,
         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 f47172ff79b..6586abfaa14 100644
--- a/sound/pci/korg1212/korg1212.c
+++ b/sound/pci/korg1212/korg1212.c
@@ -1752,22 +1752,22 @@ static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
 
         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 @@ static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
 
         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 @@ static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
         }
 
         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 @@ static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
 
         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 @@ static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
 
         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 5f8d42633b0..4d8654575e1 100644
--- a/sound/pci/pcxhr/pcxhr_mixer.c
+++ b/sound/pci/pcxhr/pcxhr_mixer.c
@@ -120,8 +120,18 @@ static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
         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 @@ static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
         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 @@ static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
         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 @@ static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
         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 @@ static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
 
         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 @@ static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
 
         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 @@ static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
         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 @@ static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
                                 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 0b3c532c401..aff05bd15b7 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -2195,22 +2195,25 @@ snd_rme96_dac_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_valu
 {
         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 5aa57aef1fa..7956b24eaf3 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -2119,7 +2119,7 @@ static int snd_hdsp_put_clock_source_lock(struct snd_kcontrol *kcontrol, struct
 
         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 55558bef716..f4f0427a742 100644
--- a/sound/pci/vx222/vx222_ops.c
+++ b/sound/pci/vx222/vx222_ops.c
@@ -877,6 +877,12 @@ static int vx_input_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
 {
         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 @@ 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_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 1fe39ed2876..c0789a50ad2 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1735,6 +1735,10 @@ static int snd_ymfpci_pcm_vol_put(struct snd_kcontrol *kcontrol,
             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);