Re: [PATCH 3/4] iio: accel: st_accel: Use devm_iio_device_alloc

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On 07/23/13 07:47, Sachin Kamat wrote:
> Using devm_iio_device_alloc makes code simpler.
> 
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
> Cc: Denis Ciocca <denis.ciocca@xxxxxx>
Applied to the togreg branch of iio.git

Thanks
> ---
>  drivers/iio/accel/st_accel_core.c |    1 -
>  drivers/iio/accel/st_accel_i2c.c  |   15 ++++-----------
>  drivers/iio/accel/st_accel_spi.c  |   15 ++++-----------
>  3 files changed, 8 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
> index aef3c9b..1458343 100644
> --- a/drivers/iio/accel/st_accel_core.c
> +++ b/drivers/iio/accel/st_accel_core.c
> @@ -517,7 +517,6 @@ void st_accel_common_remove(struct iio_dev *indio_dev)
>  		st_sensors_deallocate_trigger(indio_dev);
>  		st_accel_deallocate_ring(indio_dev);
>  	}
> -	iio_device_free(indio_dev);
>  }
>  EXPORT_SYMBOL(st_accel_common_remove);
>  
> diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
> index 58d164d..d7bedbd 100644
> --- a/drivers/iio/accel/st_accel_i2c.c
> +++ b/drivers/iio/accel/st_accel_i2c.c
> @@ -25,11 +25,9 @@ static int st_accel_i2c_probe(struct i2c_client *client,
>  	struct st_sensor_data *adata;
>  	int err;
>  
> -	indio_dev = iio_device_alloc(sizeof(*adata));
> -	if (indio_dev == NULL) {
> -		err = -ENOMEM;
> -		goto iio_device_alloc_error;
> -	}
> +	indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
> +	if (!indio_dev)
> +		return -ENOMEM;
>  
>  	adata = iio_priv(indio_dev);
>  	adata->dev = &client->dev;
> @@ -38,14 +36,9 @@ static int st_accel_i2c_probe(struct i2c_client *client,
>  
>  	err = st_accel_common_probe(indio_dev, client->dev.platform_data);
>  	if (err < 0)
> -		goto st_accel_common_probe_error;
> +		return err;
>  
>  	return 0;
> -
> -st_accel_common_probe_error:
> -	iio_device_free(indio_dev);
> -iio_device_alloc_error:
> -	return err;
>  }
>  
>  static int st_accel_i2c_remove(struct i2c_client *client)
> diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c
> index 21ed929..1956396 100644
> --- a/drivers/iio/accel/st_accel_spi.c
> +++ b/drivers/iio/accel/st_accel_spi.c
> @@ -24,11 +24,9 @@ static int st_accel_spi_probe(struct spi_device *spi)
>  	struct st_sensor_data *adata;
>  	int err;
>  
> -	indio_dev = iio_device_alloc(sizeof(*adata));
> -	if (indio_dev == NULL) {
> -		err = -ENOMEM;
> -		goto iio_device_alloc_error;
> -	}
> +	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adata));
> +	if (!indio_dev)
> +		return -ENOMEM;
>  
>  	adata = iio_priv(indio_dev);
>  	adata->dev = &spi->dev;
> @@ -37,14 +35,9 @@ static int st_accel_spi_probe(struct spi_device *spi)
>  
>  	err = st_accel_common_probe(indio_dev, spi->dev.platform_data);
>  	if (err < 0)
> -		goto st_accel_common_probe_error;
> +		return err;
>  
>  	return 0;
> -
> -st_accel_common_probe_error:
> -	iio_device_free(indio_dev);
> -iio_device_alloc_error:
> -	return err;
>  }
>  
>  static int st_accel_spi_remove(struct spi_device *spi)
> 
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