Merge branch 'fix/hda' into topic/hda

2 files changed, 12 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 35f0f223f85e..d686f4fcd780 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -347,6 +347,12 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
                 }
                 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 */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 507a7720013e..454df58e983f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4501,6 +4501,12 @@ static int alc880_parse_auto_config(struct hda_codec *codec)
                                               &dig_nid, 1);
                 if (err < 0)
                         continue;
+                if (dig_nid > 0x7f) {
+                        printk(KERN_ERR "alc880_auto: invalid dig_nid "
+                                "connection 0x%x for NID 0x%x\n", dig_nid,
+                                spec->autocfg.dig_out_pins[i]);
+                        continue;
+                }
                 if (!i)
                         spec->multiout.dig_out_nid = dig_nid;
                 else {