Revert "be2net: fix vfs enumeration"

This reverts commit 51af6d7c1f31e0f3d42c87d53657ec7acb6e3462.

Breaks the build with CONFIG_PCI_ATS not enabled.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 966d9afb652..84379f4fe83 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1076,7 +1076,7 @@ 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;
+        int vfs = 0, assigned_vfs = 0, pos, vf_fn;
         u16 offset, stride;
 
         pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
@@ -1087,7 +1087,9 @@ static int be_find_vfs(struct be_adapter *adapter, int vf_state)
 
         dev = pci_get_device(pdev->vendor, PCI_ANY_ID, NULL);
         while (dev) {
-                if (dev->is_virtfn && dev->physfn == pdev) {
+                vf_fn = (pdev->devfn + offset + stride * vfs) & 0xFFFF;
+                if (dev->is_virtfn && dev->devfn == vf_fn &&
+                        dev->bus->number == pdev->bus->number) {
                         vfs++;
                         if (dev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)
                                 assigned_vfs++;