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SubjectRe: [PATCH 14/20] iio: pressure-core: st: Clean-up probe() function
On 09/16/13 17:02, Lee Jones wrote:
> This patch contains some pretty basic clean-ups in probe() pertaining to
> the simplification of error handling and a couple of readability adaptions.
>
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Applied to the togreg branch of iio.git

Thanks Lee,

> ---
> drivers/iio/pressure/st_pressure_core.c | 28 +++++++++++++++-------------
> 1 file changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
> index 3abada2..4539953 100644
> --- a/drivers/iio/pressure/st_pressure_core.c
> +++ b/drivers/iio/pressure/st_pressure_core.c
> @@ -232,21 +232,23 @@ static const struct iio_trigger_ops st_press_trigger_ops = {
> int st_press_common_probe(struct iio_dev *indio_dev,
> struct st_sensors_platform_data *plat_data)
> {
> - int err;
> struct st_sensor_data *pdata = iio_priv(indio_dev);
> + int irq = pdata->get_irq_data_ready(indio_dev);
> + int err;
>
> indio_dev->modes = INDIO_DIRECT_MODE;
> indio_dev->info = &press_info;
>
> err = st_sensors_check_device_support(indio_dev,
> - ARRAY_SIZE(st_press_sensors), st_press_sensors);
> + ARRAY_SIZE(st_press_sensors),
> + st_press_sensors);
> if (err < 0)
> - goto st_press_common_probe_error;
> + return err;
>
> pdata->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS;
> - pdata->multiread_bit = pdata->sensor->multi_read_bit;
> - indio_dev->channels = pdata->sensor->ch;
> - indio_dev->num_channels = pdata->sensor->num_ch;
> + pdata->multiread_bit = pdata->sensor->multi_read_bit;
> + indio_dev->channels = pdata->sensor->ch;
> + indio_dev->num_channels = pdata->sensor->num_ch;
>
> if (pdata->sensor->fs.addr != 0)
> pdata->current_fullscale = (struct st_sensor_fullscale_avl *)
> @@ -261,15 +263,15 @@ int st_press_common_probe(struct iio_dev *indio_dev,
>
> err = st_sensors_init_sensor(indio_dev, plat_data);
> if (err < 0)
> - goto st_press_common_probe_error;
> + return err;
>
> - if (pdata->get_irq_data_ready(indio_dev) > 0) {
> + if (irq > 0) {
> err = st_press_allocate_ring(indio_dev);
> if (err < 0)
> - goto st_press_common_probe_error;
> + return err;
>
> err = st_sensors_allocate_trigger(indio_dev,
> - ST_PRESS_TRIGGER_OPS);
> + ST_PRESS_TRIGGER_OPS);
> if (err < 0)
> goto st_press_probe_trigger_error;
> }
> @@ -281,12 +283,12 @@ int st_press_common_probe(struct iio_dev *indio_dev,
> return err;
>
> st_press_device_register_error:
> - if (pdata->get_irq_data_ready(indio_dev) > 0)
> + if (irq > 0)
> st_sensors_deallocate_trigger(indio_dev);
> st_press_probe_trigger_error:
> - if (pdata->get_irq_data_ready(indio_dev) > 0)
> + if (irq > 0)
> st_press_deallocate_ring(indio_dev);
> -st_press_common_probe_error:
> +
> return err;
> }
> EXPORT_SYMBOL(st_press_common_probe);
>


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