diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r-- | sound/pci/hda/hda_codec.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3ecb45ddadf..aa554078611 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -306,6 +306,12 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, if (snd_BUG_ON(!conn_list || max_conns <= 0)) return -EINVAL; + if ((get_wcaps(codec, nid) & AC_WCAP_CONN_LIST) == 0) { + snd_printk(KERN_WARNING "hda_codec: " + "connection list not available for 0x%x\n", nid); + return -EINVAL; + } + parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); if (parm & AC_CLIST_LONG) { /* long form */ |