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)
>
> 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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