On Tue, Aug 12, 2014 at 9:43 AM, Yijing Wang <wangyijing@xxxxxxxxxx> wrote:
> On 2014/8/12 8:31, Liu Ping Fan wrote:
>> As the notes of this function, pci_get_domain_bus_and_slot() should
>> increase the reference count.
>
> It had did it.
> please refer to:
>
> #define for_each_pci_dev(d) while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL)
>
Oh, got it.
Thx!
>>
>> Signed-off-by: Liu Ping Fan <pingfank@xxxxxxxxxxxxxxxxxx>
>> ---
>> drivers/pci/search.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/pci/search.c b/drivers/pci/search.c
>> index 827ad83..41a5738 100644
>> --- a/drivers/pci/search.c
>> +++ b/drivers/pci/search.c
>> @@ -258,8 +258,10 @@ struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus,
>>
>> for_each_pci_dev(dev) {
>> if (pci_domain_nr(dev->bus) == domain &&
>> - (dev->bus->number == bus && dev->devfn == devfn))
>> + (dev->bus->number == bus && dev->devfn == devfn)) {
>> + pci_dev_get(dev);
>> return dev;
>> + }
>> }
>> return NULL;
>> }
>>
>
>
> --
> Thanks!
> Yijing
>
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