diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index d3be67aa05225..1141cc13a1249 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -912,7 +912,7 @@ static int ad7192_probe(struct spi_device *spi)
 {
 	struct ad7192_state *st;
 	struct iio_dev *indio_dev;
-	int ret, voltage_uv = 0;
+	int ret;
 
 	if (!spi->irq) {
 		dev_err(&spi->dev, "no IRQ?\n");
@@ -949,15 +949,12 @@ static int ad7192_probe(struct spi_device *spi)
 		goto error_disable_avdd;
 	}
 
-	voltage_uv = regulator_get_voltage(st->avdd);
-
-	if (voltage_uv > 0) {
-		st->int_vref_mv = voltage_uv / 1000;
-	} else {
-		ret = voltage_uv;
+	ret = regulator_get_voltage(st->avdd);
+	if (ret < 0) {
 		dev_err(&spi->dev, "Device tree error, reference voltage undefined\n");
 		goto error_disable_avdd;
 	}
+	st->int_vref_mv = ret / 1000;
 
 	spi_set_drvdata(spi, indio_dev);
 	st->chip_info = of_device_get_match_data(&spi->dev);