diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-11-15 15:58:13 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:24 +0100 |
| commit | 4e98d6a7ce934b19bffb309f2522b22384355fef (patch) | |
| tree | 8613aee414a855314663de2575f2bee284c8430c /sound/pci/ac97 | |
| parent | ab2dac2bdcf562dd616bd1fadddf5078ae7c3d83 (diff) | |
[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>
Diffstat (limited to 'sound/pci/ac97')
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 11 |
1 files changed, 9 insertions, 2 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; |