1 files changed, 6 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 26d255de6beb..88480c0c58a0 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -332,6 +332,12 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
                                                   AC_VERB_GET_CONNECT_LIST, i);
                 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 */