diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
index f771184c7301..d3a19fc9b5d0 100644
--- a/sound/soc/codecs/rk817_codec.c
+++ b/sound/soc/codecs/rk817_codec.c
@@ -457,7 +457,7 @@ static const struct snd_soc_component_driver soc_codec_dev_rk817 = {
 static void rk817_codec_parse_dt_property(struct device *dev,
 					 struct rk817_codec_priv *rk817)
 {
-	struct device_node *node = dev->parent->of_node;
+	struct device_node *node;
 
 	node = of_get_child_by_name(dev->parent->of_node, "codec");
 	if (!node) {
@@ -467,6 +467,8 @@ static void rk817_codec_parse_dt_property(struct device *dev,
 
 	rk817->mic_in_differential =
 			of_property_read_bool(node, "rockchip,mic-in-differential");
+
+	of_node_put(node);
 }
 
 static int rk817_platform_probe(struct platform_device *pdev)