diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 9bccbf41c884..574d9879bdcf 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -1535,8 +1535,10 @@ static int pmbus_thermal_add_sensor(struct pmbus_data *pmbus_data,
 	 * If CONFIG_THERMAL_OF is disabled, this returns -ENODEV,
 	 * so ignore that error but forward any other error.
 	 */
-	if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV))
+	if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV)) {
+		devm_kfree(dev, tdata);
 		return PTR_ERR(tzd);
+	}
 
 	return 0;
 }