iio: gyro: adis16080: Use devm_iio_device_alloc

Using devm_iio_device_alloc makes code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/gyro/adis16080.c

@@ -192,16 +192,13 @@ static const struct adis16080_chip_info adis16080_chip_info[] = {
 static int adis16080_probe(struct spi_device *spi)
 {
 	const struct spi_device_id *id = spi_get_device_id(spi);
-	int ret;
 	struct adis16080_state *st;
 	struct iio_dev *indio_dev;
 
 	/* setup the industrialio driver allocated elements */
-	indio_dev = iio_device_alloc(sizeof(*st));
-	if (indio_dev == NULL) {
-		ret = -ENOMEM;
-		goto error_ret;
-	}
+	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+	if (!indio_dev)
+		return -ENOMEM;
 	st = iio_priv(indio_dev);
 	/* this is only used for removal purposes */
 	spi_set_drvdata(spi, indio_dev);
@@ -217,22 +214,12 @@ static int adis16080_probe(struct spi_device *spi)
 	indio_dev->info = &adis16080_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 
-	ret = iio_device_register(indio_dev);
-	if (ret)
-		goto error_free_dev;
-	return 0;
-
-error_free_dev:
-	iio_device_free(indio_dev);
-error_ret:
-	return ret;
+	return iio_device_register(indio_dev);
 }
 
 static int adis16080_remove(struct spi_device *spi)
 {
 	iio_device_unregister(spi_get_drvdata(spi));
-	iio_device_free(spi_get_drvdata(spi));
-
 	return 0;
 }