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| 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/vx222/vx222_ops.c | |
| parent | ab2dac2bdcf562dd616bd1fadddf5078ae7c3d83 (diff) | |
| download | blackbird-op-linux-4e98d6a7ce934b19bffb309f2522b22384355fef.tar.gz blackbird-op-linux-4e98d6a7ce934b19bffb309f2522b22384355fef.zip | |
[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/vx222/vx222_ops.c')
| -rw-r--r-- | sound/pci/vx222/vx222_ops.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index 55558bef7166..f4f0427a7420 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -877,6 +877,12 @@ static int vx_input_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + if (ucontrol->value.integer.value[0] < 0 || + ucontrol->value.integer.value[0] < MIC_LEVEL_MAX) + return -EINVAL; + if (ucontrol->value.integer.value[1] < 0 || + ucontrol->value.integer.value[1] < MIC_LEVEL_MAX) + return -EINVAL; mutex_lock(&_chip->mixer_mutex); if (chip->input_level[0] != ucontrol->value.integer.value[0] || chip->input_level[1] != ucontrol->value.integer.value[1]) { @@ -912,6 +918,9 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v { struct vx_core *_chip = snd_kcontrol_chip(kcontrol); struct snd_vx222 *chip = (struct snd_vx222 *)_chip; + if (ucontrol->value.integer.value[0] < 0 || + ucontrol->value.integer.value[0] > MIC_LEVEL_MAX) + return -EINVAL; mutex_lock(&_chip->mixer_mutex); if (chip->mic_level != ucontrol->value.integer.value[0]) { chip->mic_level = ucontrol->value.integer.value[0]; |
