diff options
| author | Greg Rose <[email protected]> | 2012-02-03 00:54:13 +0000 |
|---|---|---|
| committer | Jeff Kirsher <[email protected]> | 2012-02-09 01:25:42 -0800 |
| commit | a4b08329c74985e5cc3a44b6d2b2c59444ed8079 (patch) | |
| tree | 21249e7c96cfc7e294ad0611e01e0d8f682ac986 | |
| parent | 0629292117572a60465f38cdedde2f8164c3df0b (diff) | |
ixgbe: fix vf lookup
Recent addition of code to find already allocated VFs failed to take
account that systems with 2 or more multi-port SR-IOV capable controllers
might have already enabled VFs. Make sure that the VFs the function is
finding are actually subordinate to the particular instance of the adapter
that is looking for them and not subordinate to some device that has
previously enabled SR-IOV.
This bug exists in 3.2 stable as well as 3.3 release candidates.
CC: [email protected]
Reported-by: David Ahern <[email protected]>
Signed-off-by: Greg Rose <[email protected]>
Tested-by: Robert E Garrett <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 8d8cdbc22df0..b01ecb4d2bb1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -67,7 +67,8 @@ static int ixgbe_find_enabled_vfs(struct ixgbe_adapter *adapter) vf_devfn = pdev->devfn + 0x80; pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, device_id, NULL); while (pvfdev) { - if (pvfdev->devfn == vf_devfn) + if (pvfdev->devfn == vf_devfn && + (pvfdev->bus->number >= pdev->bus->number)) vfs_found++; vf_devfn += 2; pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, |