Commit 6f7dc307 authored by Xiongfeng Wang's avatar Xiongfeng Wang Committed by Bjorn Helgaas
Browse files

PCI/IOV: Use pci_dev_id() to simplify the code 

When we have a struct pci_dev *, use pci_dev_id() instead of manually
composing the ID with PCI_DEVID() from dev->bus->number and dev->devfn.

[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20230807134858.116051-4-wangxiongfeng2@huawei.com


Signed-off-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent f7f7c3d6

drivers/pci/iov.c

+1 −2
Original line number Diff line number Diff line
@@ -41,8 +41,7 @@ int pci_iov_vf_id(struct pci_dev *dev) 
		return -EINVAL;



	pf = pci_physfn(dev);

	return (((dev->bus->number << 8) + dev->devfn) -

		((pf->bus->number << 8) + pf->devfn + pf->sriov->offset)) /

	return (pci_dev_id(dev) - (pci_dev_id(pf) + pf->sriov->offset)) /

	       pf->sriov->stride;

}

EXPORT_SYMBOL_GPL(pci_iov_vf_id);