staging: iio: ad2s1210: Use devm_iio_device_alloc

devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Graff Yang <graff.yang@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 2b0c8e5..6966d5f 100644 (file)
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -669,16 +669,14 @@ static int ad2s1210_probe(struct spi_device *spi)
        if (spi->dev.platform_data == NULL)
                return -EINVAL;
 
-       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);
        st->pdata = spi->dev.platform_data;
        ret = ad2s1210_setup_gpios(st);
        if (ret < 0)
-               goto error_free_dev;
+               return ret;
 
        spi_set_drvdata(spi, indio_dev);
 
@@ -709,9 +707,6 @@ static int ad2s1210_probe(struct spi_device *spi)
 
 error_free_gpios:
        ad2s1210_free_gpios(st);
-error_free_dev:
-       iio_device_free(indio_dev);
-error_ret:
        return ret;
 }
 
@@ -721,7 +716,6 @@ static int ad2s1210_remove(struct spi_device *spi)
 
        iio_device_unregister(indio_dev);
        ad2s1210_free_gpios(iio_priv(indio_dev));
-       iio_device_free(indio_dev);
 
        return 0;
 }