[PATCH] iio: adc: xilinx-ams: Use device_for_each_child_node_scoped()

[Marcelo Schmitt]

Hi Pedro, Roberto,

Patch looks overall good except for the _scoped() function name and arguments,
must have been miss-typed or miss-copied somehow.
Comment inline.

Regards,
Marcelo

On 04/24, Pedro Mariano wrote:
> Using device_for_each_child_node_scoped instead of
> device_for_each_child_node automatically releases the handle on early exit
> which reduces the chance of bugs that cause resource leaks.
> 
> Co-developed-by: Roberto Bolgheroni <robertobolgheroni at usp.br>
> Signed-off-by: Roberto Bolgheroni <robertobolgheroni at usp.br>
> Signed-off-by: Pedro Mariano <pedro.mariano at usp.br>
> ---
>  drivers/iio/adc/xilinx-ams.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/iio/adc/xilinx-ams.c b/drivers/iio/adc/xilinx-ams.c
> index f0b71a122..7f5571d9d 100644
> --- a/drivers/iio/adc/xilinx-ams.c
> +++ b/drivers/iio/adc/xilinx-ams.c
> @@ -1261,7 +1261,6 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
>  	struct ams *ams = iio_priv(indio_dev);
>  	struct iio_chan_spec *ams_channels, *dev_channels;
>  	struct device *dev = indio_dev->dev.parent;
> -	struct fwnode_handle *child = NULL;
>  	struct fwnode_handle *fwnode = dev_fwnode(dev);
>  	size_t ams_size;
>  	int ret, ch_cnt = 0, i, rising_off, falling_off;
> @@ -1283,13 +1282,11 @@ static int ams_parse_firmware(struct iio_dev *indio_dev)
>  		num_channels += ret;
>  	}
>  
> -	fwnode_for_each_child_node(fwnode, child) {
> +	fwnode_for_each_child_node_scoped(fwnode, child) {
should be
	device_for_each_child_node_scoped(dev, child) {

>  		if (fwnode_device_is_available(child)) {
>  			ret = ams_init_module(indio_dev, child, ams_channels + num_channels);
> -			if (ret < 0) {
> -				fwnode_handle_put(child);
> +			if (ret < 0)
>  				return ret;
> -			}
>  
>  			num_channels += ret;
>  		}
> -- 
> 2.44.0
> 
>