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

Rafael J. Wysocki rjw at rjwysocki.net
Fri Feb 14 05:39:32 PST 2014


On Friday, February 14, 2014 10:19:41 AM Yijing Wang wrote:
> On 2014/2/14 7:54, Rafael J. Wysocki wrote:
> > 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 at 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)?
> 
> Hi Rafael,
>    I applied this to your linux-next branch successfully . No conflicts found.

Good. :-)

Please feel free to add my ACK to it.

Rafael


> >> ---
> >>  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.


More information about the dri-devel mailing list