[ALSA] ice1724 - Check value ranges in ctl callbacks

Check the value ranges in ctl put callbacks properly.
Also fixed the wrong access type to enum elements in aureon.c.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 21 insertions, 12 deletions

diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c
index ec0699c89952..f83ec2f565cf 100644
--- a/sound/pci/ice1712/aureon.c
+++ b/sound/pci/ice1712/aureon.c
@@ -205,7 +205,7 @@ static int aureon_universe_inmux_get(struct snd_kcontrol *kcontrol,
                                      struct snd_ctl_elem_value *ucontrol)
 {
         struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
-        ucontrol->value.integer.value[0] = ice->spec.aureon.pca9554_out;
+        ucontrol->value.enumerated.item[0] = ice->spec.aureon.pca9554_out;
         return 0;
 }
 
@@ -216,10 +216,11 @@ static int aureon_universe_inmux_put(struct snd_kcontrol *kcontrol,
         unsigned char oval, nval;
         int change;
 
+        nval = ucontrol->value.enumerated.item[0];
+        if (nval >= 3)
+                return -EINVAL;
         snd_ice1712_save_gpio_status(ice);
-        
         oval = ice->spec.aureon.pca9554_out;
-        nval = ucontrol->value.integer.value[0];
         if ((change = (oval != nval))) {
                 aureon_pca9554_write(ice, PCA9554_OUT, nval);
                 ice->spec.aureon.pca9554_out = nval;
@@ -757,10 +758,13 @@ static int wm_master_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
 
         snd_ice1712_save_gpio_status(ice);
         for (ch = 0; ch < 2; ch++) {
-                if (ucontrol->value.integer.value[ch] != ice->spec.aureon.master[ch]) {
+                unsigned int vol = ucontrol->value.integer.value[ch];
+                if (vol > WM_VOL_MAX)
+                        continue;
+                vol |= ice->spec.aureon.master[ch] & WM_VOL_MUTE;
+                if (vol != ice->spec.aureon.master[ch]) {
                         int dac;
-                        ice->spec.aureon.master[ch] &= WM_VOL_MUTE;
-                        ice->spec.aureon.master[ch] |= ucontrol->value.integer.value[ch];
+                        ice->spec.aureon.master[ch] = vol;
                         for (dac = 0; dac < ice->num_total_dacs; dac += 2)
                                 wm_set_vol(ice, WM_DAC_ATTEN + dac + ch,
                                            ice->spec.aureon.vol[dac + ch],
@@ -807,10 +811,13 @@ static int wm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *
         ofs = kcontrol->private_value & 0xff;
         snd_ice1712_save_gpio_status(ice);
         for (i = 0; i < voices; i++) {
-                idx  = WM_DAC_ATTEN + ofs + i;
-                if (ucontrol->value.integer.value[i] != ice->spec.aureon.vol[ofs+i]) {
-                        ice->spec.aureon.vol[ofs+i] &= WM_VOL_MUTE;
-                        ice->spec.aureon.vol[ofs+i] |= ucontrol->value.integer.value[i];
+                unsigned int vol = ucontrol->value.integer.value[i];
+                if (vol > 0x7f)
+                        continue;
+                vol |= ice->spec.aureon.vol[ofs+i];
+                if (vol != ice->spec.aureon.vol[ofs+i]) {
+                        ice->spec.aureon.vol[ofs+i] = vol;
+                        idx  = WM_DAC_ATTEN + ofs + i;
                         wm_set_vol(ice, idx, ice->spec.aureon.vol[ofs+i],
                                    ice->spec.aureon.master[i]);
                         change = 1;
@@ -940,8 +947,10 @@ static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
         unsigned short ovol, nvol;
         int change = 0;
 
-        snd_ice1712_save_gpio_status(ice);
         nvol = ucontrol->value.integer.value[0];
+        if (nvol > PCM_RES)
+                return -EINVAL;
+        snd_ice1712_save_gpio_status(ice);
         nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff;
         ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff;
         if (ovol != nvol) {
@@ -1031,7 +1040,7 @@ static int wm_adc_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val
         snd_ice1712_save_gpio_status(ice);
         for (i = 0; i < 2; i++) {
                 idx  = WM_ADC_GAIN + i;
-                nvol = ucontrol->value.integer.value[i];
+                nvol = ucontrol->value.integer.value[i] & 0x1f;
                 ovol = wm_get(ice, idx);
                 if ((ovol & 0x1f) != nvol) {
                         wm_put(ice, idx, nvol | (ovol & ~0x1f));