1 files changed, 2 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index cbde019d3d52..a7d1bc4e0d09 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -297,6 +297,8 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
         imux = &spec->input_mux[mux_idx];
         if (!imux->num_items && mux_idx > 0)
                 imux = &spec->input_mux[0];
+        if (!imux->num_items)
+                return 0;
 
         if (idx >= imux->num_items)
                 idx = imux->num_items - 1;