diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c
index d58376c38179..f5fcdde9750e 100644
--- a/drivers/soc/samsung/exynos-pmu.c
+++ b/drivers/soc/samsung/exynos-pmu.c
@@ -167,8 +167,8 @@ static const struct mfd_cell exynos_pmu_devs[] = {
  */
 struct regmap *exynos_get_pmu_regmap(void)
 {
-	struct device_node *np = of_find_matching_node(NULL,
-						      exynos_pmu_of_device_ids);
+	struct device_node *np __free(device_node) =
+		of_find_matching_node(NULL, exynos_pmu_of_device_ids);
 	if (np)
 		return exynos_get_pmu_regmap_by_phandle(np, NULL);
 	return ERR_PTR(-ENODEV);