int range_val;
hda_nid_t val, n;
- if (i % num_elems == 0)
+ if (i % num_elems == 0) {
parm = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_CONNECT_LIST, i);
+ if (parm == -1 && codec->bus->rirb_error)
+ return -EIO;
+ }
range_val = !!(parm & (1 << (shift-1))); /* ranges */
val = parm & mask;
+ if (val == 0) {
+ snd_printk(KERN_WARNING "hda_codec: "
+ "invalid CONNECT_LIST verb %x[%i]:%x\n",
+ nid, i, parm);
+ return 0;
+ }
parm >>= shift;
if (range_val) {
/* ranges between the previous and this one */