1 files changed, 6 insertions, 1 deletions

diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index b8ba0adacfce..80555d7551e6 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -1225,13 +1225,18 @@ static int anc_status_control_put(struct snd_kcontrol *kcontrol,
         struct ab8500_codec_drvdata *drvdata = dev_get_drvdata(codec->dev);
         struct device *dev = codec->dev;
         bool apply_fir, apply_iir;
-        int req, status;
+        unsigned int req;
+        int status;
 
         dev_dbg(dev, "%s: Enter.\n", __func__);
 
         mutex_lock(&drvdata->anc_lock);
 
         req = ucontrol->value.integer.value[0];
+        if (req >= ARRAY_SIZE(enum_anc_state)) {
+                status = -EINVAL;
+                goto cleanup;
+        }
         if (req != ANC_APPLY_FIR_IIR && req != ANC_APPLY_FIR &&
                 req != ANC_APPLY_IIR) {
                 dev_err(dev, "%s: ERROR: Unsupported status to set '%s'!\n",