ALSA: hda - Add sanity check for storing the user-defined pin configs
Check whether the given NID is a pin widget before storing the
user-defined pin configs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 94ae69f..d02ea89 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -824,6 +824,9 @@
struct hda_pincfg *pin;
unsigned int oldcfg;
+ if (get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_PIN)
+ return -EINVAL;
+
oldcfg = snd_hda_codec_get_pincfg(codec, nid);
pin = look_up_pincfg(codec, list, nid);
if (!pin) {