staging: iio: sca3000: Use devm_iio_device_alloc

Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-08-24 19:48:00 +01:00 committed by Jonathan Cameron
parent 4c24747053
commit 0189d93fdf

View File

@ -1135,11 +1135,9 @@ static int sca3000_probe(struct spi_device *spi)
struct sca3000_state *st;
struct iio_dev *indio_dev;
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);
spi_set_drvdata(spi, indio_dev);
@ -1162,7 +1160,7 @@ static int sca3000_probe(struct spi_device *spi)
sca3000_configure_ring(indio_dev);
ret = iio_device_register(indio_dev);
if (ret < 0)
goto error_free_dev;
return ret;
ret = iio_buffer_register(indio_dev,
sca3000_channels,
@ -1198,10 +1196,6 @@ error_unregister_ring:
iio_buffer_unregister(indio_dev);
error_unregister_dev:
iio_device_unregister(indio_dev);
error_free_dev:
iio_device_free(indio_dev);
error_ret:
return ret;
}
@ -1235,7 +1229,6 @@ static int sca3000_remove(struct spi_device *spi)
iio_device_unregister(indio_dev);
iio_buffer_unregister(indio_dev);
sca3000_unconfigure_ring(indio_dev);
iio_device_free(indio_dev);
return 0;
}