[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>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 1fe39ed28765..c0789a50ad20 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -1735,6 +1735,10 @@ static int snd_ymfpci_pcm_vol_put(struct snd_kcontrol *kcontrol,
             ucontrol->value.integer.value[1] != chip->pcm_mixer[subs].right) {
                 chip->pcm_mixer[subs].left = ucontrol->value.integer.value[0];
                 chip->pcm_mixer[subs].right = ucontrol->value.integer.value[1];
+                if (chip->pcm_mixer[subs].left > 0x8000)
+                        chip->pcm_mixer[subs].left = 0x8000;
+                if (chip->pcm_mixer[subs].right > 0x8000)
+                        chip->pcm_mixer[subs].right = 0x8000;
 
                 substream = (struct snd_pcm_substream *)kcontrol->private_value;
                 spin_lock_irqsave(&chip->voice_lock, flags);