staging: iio: ade7854: Use devm_iio_device_alloc

devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Barry Song <21cnbao@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c
index db9ef6c..5b33c7f 100644 (file)
--- a/drivers/staging/iio/meter/ade7854-i2c.c
+++ b/drivers/staging/iio/meter/ade7854-i2c.c
@@ -208,7 +208,7 @@ static int ade7854_i2c_probe(struct i2c_client *client,
        struct ade7854_state *st;
        struct iio_dev *indio_dev;
 
-       indio_dev = iio_device_alloc(sizeof(*st));
+       indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*st));
        if (indio_dev == NULL)
                return -ENOMEM;
        st = iio_priv(indio_dev);
@@ -225,8 +225,6 @@ static int ade7854_i2c_probe(struct i2c_client *client,
        st->irq = client->irq;
 
        ret = ade7854_probe(indio_dev, &client->dev);
-       if (ret)
-               iio_device_free(indio_dev);
 
        return ret;
 }

diff --git a/drivers/staging/iio/meter/ade7854-spi.c b/drivers/staging/iio/meter/ade7854-spi.c
index a802cf2..7cb8d93 100644 (file)
--- a/drivers/staging/iio/meter/ade7854-spi.c
+++ b/drivers/staging/iio/meter/ade7854-spi.c
@@ -278,7 +278,7 @@ static int ade7854_spi_probe(struct spi_device *spi)
        struct ade7854_state *st;
        struct iio_dev *indio_dev;
 
-       indio_dev = iio_device_alloc(sizeof(*st));
+       indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
        if (indio_dev == NULL)
                return -ENOMEM;
        st = iio_priv(indio_dev);
@@ -296,8 +296,6 @@ static int ade7854_spi_probe(struct spi_device *spi)
 
 
        ret = ade7854_probe(indio_dev, &spi->dev);
-       if (ret)
-               iio_device_free(indio_dev);
 
        return 0;
 }

diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c
index 8e068ab..d620bbd 100644 (file)
--- a/drivers/staging/iio/meter/ade7854.c
+++ b/drivers/staging/iio/meter/ade7854.c
@@ -550,7 +550,7 @@ int ade7854_probe(struct iio_dev *indio_dev, struct device *dev)
 
        ret = iio_device_register(indio_dev);
        if (ret)
-               goto error_free_dev;
+               return ret;
 
        /* Get the device into a sane initial state */
        ret = ade7854_initial_setup(indio_dev);
@@ -561,9 +561,6 @@ int ade7854_probe(struct iio_dev *indio_dev, struct device *dev)
 
 error_unreg_dev:
        iio_device_unregister(indio_dev);
-error_free_dev:
-       iio_device_free(indio_dev);
-
        return ret;
 }
 EXPORT_SYMBOL(ade7854_probe);
@@ -571,7 +568,6 @@ EXPORT_SYMBOL(ade7854_probe);
 int ade7854_remove(struct iio_dev *indio_dev)
 {
        iio_device_unregister(indio_dev);
-       iio_device_free(indio_dev);
 
        return 0;
 }