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[ALSA] pci - check value range in ctl callbacks

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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>
This commit is contained in:
Takashi Iwai
2007-11-15 15:58:13 +01:00
committad av Jaroslav Kysela
förälder ab2dac2bdc
incheckning 4e98d6a7ce
7 ändrade filer med 112 tillägg och 46 borttagningar
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11
sound/pci/ac97/ac97_patch.c
Visa fil

@@ -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;