diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index 074a7e044e25..b0e41fb3623d 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -384,8 +384,10 @@ int pinconf_generic_dt_node_to_map(struct pinctrl_dev *pctldev,
 	for_each_child_of_node(np_config, np) {
 		ret = pinconf_generic_dt_subnode_to_map(pctldev, np, map,
 					&reserved_maps, num_maps, type);
-		if (ret < 0)
+		if (ret < 0) {
+			of_node_put(np);
 			goto exit;
+		}
 	}
 	return 0;