diff options
| -rw-r--r-- | sound/pci/oxygen/oxygen_mixer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c index 6facac5aed9..05eb8994c14 100644 --- a/sound/pci/oxygen/oxygen_mixer.c +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -512,9 +512,12 @@ static int ac97_switch_get(struct snd_kcontrol *ctl, static void mute_ac97_ctl(struct oxygen *chip, unsigned int control) { - unsigned int priv_idx = chip->controls[control]->private_value & 0xff; + unsigned int priv_idx; u16 value; + if (!chip->controls[control]) + return; + priv_idx = chip->controls[control]->private_value & 0xff; value = oxygen_read_ac97(chip, 0, priv_idx); if (!(value & 0x8000)) { oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000); |