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| author | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-09-04 08:09:09 -0700 |
| commit | 0ccd8c39bc664bf5e9fcc26caad50cc17ff866d1 (patch) | |
| tree | 29cec0edf3acf18c6978b750a8d6560f445df6df /sound/pci/oxygen/oxygen_mixer.c | |
| parent | 1625324d22409e32e3f8eb86018cad72e1c09d61 (diff) | |
| parent | ec0c15afb41fd9ad45b53468b60db50170e22346 (diff) | |
Merge branch 'linus' into x86/core
Diffstat (limited to 'sound/pci/oxygen/oxygen_mixer.c')
| -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 6facac5aed90..05eb8994c141 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); |