diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 7d492713c1c16955bf230da754a419a4ba29ba90..b48fb43b5448bd7d400c75de0acd6355d7156f28 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2719,7 +2719,7 @@ static int alc_cap_getput_caller(struct snd_kcontrol *kcontrol,
 {
 	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct alc_spec *spec = codec->spec;
-	int i, err;
+	int i, err = 0;
 
 	mutex_lock(&codec->control_mutex);
 	if (check_adc_switch && spec->dual_adc_switch) {