[ALSA] hda-codec - Check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly so that
invalid values won't be stored or written to registers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 39240e0..23d3bef 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2337,7 +2337,8 @@
unsigned int mode;
mode = ucontrol->value.enumerated.item[0];
- snd_assert(mode < num_chmodes, return -EINVAL);
+ if (mode >= num_chmodes)
+ return -EINVAL;
if (*max_channelsp == chmode[mode].channels)
return 0;
/* change the current channel setting */