Re: [PATCH 1/6] PCI,acpiphp: Use list_for_each_entry() for bus traversal

["Rafael J. Wysocki" <rjw@rjwysocki.net>]

On Thursday, February 13, 2014 09:13:58 PM Yijing Wang wrote:
> Replace list_for_each() + pci_bus_b() with the simpler
> list_for_each_entry().
> 
> Signed-off-by: Yijing Wang <wangyijing@huawei.com>

Looks reasonable to me.

Does it conflict with anything currently in linux-next (the linux-next branch
of linux-pm.git in particular)?

> ---
>  drivers/pci/hotplug/acpiphp_glue.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
> index cd929ae..aee6a0a 100644
> --- a/drivers/pci/hotplug/acpiphp_glue.c
> +++ b/drivers/pci/hotplug/acpiphp_glue.c
> @@ -450,7 +450,7 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
>   */
>  static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
>  {
> -	struct list_head *tmp;
> +	struct pci_bus *tmp;
>  	unsigned char max, n;
>  
>  	/*
> @@ -463,8 +463,8 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
>  	 */
>  	max = bus->busn_res.start;
>  
> -	list_for_each(tmp, &bus->children) {
> -		n = pci_bus_max_busnr(pci_bus_b(tmp));
> +	list_for_each_entry(tmp, &bus->children, node) {
> +		n = pci_bus_max_busnr(tmp);
>  		if (n > max)
>  			max = n;
>  	}
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.