Re: [PATCH 4/7] thermal: of: Simplify thermal_of_for_each_cooling_maps() with scoped for each OF child loop

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On Wed, Aug 14, 2024 at 10:17:50PM +0200, Krzysztof Kozlowski wrote:
> Use scoped for_each_child_of_node_scoped() when iterating over device
> nodes to make code a bit simpler.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>

> ---
>  drivers/thermal/thermal_of.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
> index fb5472d6ffea..d277165746d5 100644
> --- a/drivers/thermal/thermal_of.c
> +++ b/drivers/thermal/thermal_of.c
> @@ -375,7 +375,7 @@ static int thermal_of_for_each_cooling_maps(struct thermal_zone_device *tz,
>  					    int (*action)(struct device_node *, int, int,
>  							  struct thermal_zone_device *, struct thermal_cooling_device *))
>  {
> -	struct device_node *tz_np, *cm_np, *child;
> +	struct device_node *tz_np, *cm_np;

Looks like the remaining two pointers are also candidates for cleanup?

>  	int ret = 0;
>  
>  	tz_np = thermal_of_zone_get_by_name(tz);
> @@ -388,12 +388,10 @@ static int thermal_of_for_each_cooling_maps(struct thermal_zone_device *tz,
>  	if (!cm_np)
>  		goto out;
>  
> -	for_each_child_of_node(cm_np, child) {
> +	for_each_child_of_node_scoped(cm_np, child) {
>  		ret = thermal_of_for_each_cooling_device(tz_np, child, tz, cdev, action);
> -		if (ret) {
> -			of_node_put(child);
> +		if (ret)
>  			break;
> -		}
>  	}
>  
>  	of_node_put(cm_np);
> 
> -- 
> 2.43.0
> 




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