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-rw-r--r--drivers/pci/iov.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b2e8322755c1..25dbe85c4217 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -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);