Merge branch 'net-pci_dev_id'

Zheng Zengkai says:

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net: Use pci_dev_id() to simplify the code

PCI core API pci_dev_id() can be used to get the BDF number for a pci
device. Use the API to simplify the code.
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Signed-off-by: David S. Miller <davem@davemloft.net>