Re: [PATCH 3/3] PCI: Use reverse logic in pci_read_bridge_bases()

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On Thu, 17 Oct 2024 17:11:10 +0300
Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> wrote:

> Use reverse logic combined with return and continue to allow
> significant reduction in indentation level in pci_read_bridge_bases().
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  drivers/pci/probe.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
> index 4243b1e6ece2..cc97dbda7e76 100644
> --- a/drivers/pci/probe.c
> +++ b/drivers/pci/probe.c
> @@ -543,14 +543,15 @@ void pci_read_bridge_bases(struct pci_bus *child)
>  	pci_read_bridge_mmio(child->self, child->resource[1], false);
>  	pci_read_bridge_mmio_pref(child->self, child->resource[2], false);
>  
> -	if (dev->transparent) {
> -		pci_bus_for_each_resource(child->parent, res) {
> -			if (res && res->flags) {
> -				pci_bus_add_resource(child, res);
> -				pci_info(dev, "  bridge window %pR (subtractive decode)\n",
> -					   res);
> -			}
> -		}
> +	if (!dev->transparent)
> +		return;
> +
> +	pci_bus_for_each_resource(child->parent, res) {
> +		if (!res || !res->flags)
> +			continue;
> +
> +		pci_bus_add_resource(child, res);
> +		pci_info(dev, "  bridge window %pR (subtractive decode)\n", res);
>  	}
>  }
>  






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