iio: adc: viperboard_adc: Use devm_iio_device_alloc

Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c
index 56ac481c73c0bde09575536f6a92066a7fc946c7..09727a71e9fa1578744c4334ad83679274ff24d2 100644 (file)
--- a/drivers/iio/adc/viperboard_adc.c
+++ b/drivers/iio/adc/viperboard_adc.c
@@ -124,7 +124,7 @@ static int vprbrd_adc_probe(struct platform_device *pdev)
        int ret;
 
        /* registering iio */
-       indio_dev = iio_device_alloc(sizeof(*adc));
+       indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*adc));
        if (!indio_dev) {
                dev_err(&pdev->dev, "failed allocating iio device\n");
                return -ENOMEM;
@@ -142,16 +142,12 @@ static int vprbrd_adc_probe(struct platform_device *pdev)
        ret = iio_device_register(indio_dev);
        if (ret) {
                dev_err(&pdev->dev, "could not register iio (adc)");
-               goto error;
+               return ret;
        }
 
        platform_set_drvdata(pdev, indio_dev);
 
        return 0;
-
-error:
-       iio_device_free(indio_dev);
-       return ret;
 }
 
 static int vprbrd_adc_remove(struct platform_device *pdev)
@@ -159,7 +155,6 @@ static int vprbrd_adc_remove(struct platform_device *pdev)
        struct iio_dev *indio_dev = platform_get_drvdata(pdev);
 
        iio_device_unregister(indio_dev);
-       iio_device_free(indio_dev);
 
        return 0;
 }