[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 ec0699c..f83ec2f 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));