diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index a4c2ce92d41ff4c6fdcf6fdfcd173a6ad15a3afd..331b8514868055e29fd10ec50206ed5fe77e5009 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -163,7 +163,7 @@ static int pwm_regulator_init_table(struct platform_device *pdev,
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct pwm_voltages *duty_cycle_table;
-	int length;
+	int length = 0;
 	int ret;
 
 	of_find_property(np, "voltage-table", &length);