diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 18ef0aa69d9..239cdd855df 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2341,6 +2341,8 @@ int snd_hda_input_mux_info(const struct hda_input_mux *imux, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = imux->num_items; + if (!imux->num_items) + return 0; index = uinfo->value.enumerated.item; if (index >= imux->num_items) index = imux->num_items - 1; @@ -2356,6 +2358,8 @@ int snd_hda_input_mux_put(struct hda_codec *codec, { unsigned int idx; + if (!imux->num_items) + return 0; idx = ucontrol->value.enumerated.item[0]; if (idx >= imux->num_items) idx = imux->num_items - 1; |