From: Ivan Vecera Date: Mon, 1 Oct 2012 01:56:55 +0000 (+0000) Subject: be2net: fix vfs enumeration X-Git-Tag: v3.7-rc1~145^2~28 X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=2f6a02604e962295569749913081365ec9ec1372 be2net: fix vfs enumeration Current VFs enumeration algorithm used in be_find_vfs does not take domain number into the match. The match found in igb/ixgbe is more elegant and safe. This 2nd version uses pci_physfn instead of checking dev->physfn directly. Signed-off-by: Ivan Vecera Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 6accb0c0273a..8dd42b309f38 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1075,7 +1075,7 @@ static int be_set_vf_tx_rate(struct net_device *netdev, static int be_find_vfs(struct be_adapter *adapter, int vf_state) { struct pci_dev *dev, *pdev = adapter->pdev; - int vfs = 0, assigned_vfs = 0, pos, vf_fn; + int vfs = 0, assigned_vfs = 0, pos; u16 offset, stride; pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); @@ -1086,9 +1086,7 @@ static int be_find_vfs(struct be_adapter *adapter, int vf_state) dev = pci_get_device(pdev->vendor, PCI_ANY_ID, NULL); while (dev) { - vf_fn = (pdev->devfn + offset + stride * vfs) & 0xFFFF; - if (dev->is_virtfn && dev->devfn == vf_fn && - dev->bus->number == pdev->bus->number) { + if (dev->is_virtfn && pci_physfn(dev) == pdev) { vfs++; if (dev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) assigned_vfs++;