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path: root/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index 14f748cbf0de..280137991544 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -461,6 +461,16 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
+ if (pci_vfs_assigned(adapter->pdev)) {
+ netdev_err(adapter->netdev,
+ "SR-IOV VFs belonging to port %d are assigned to VMs. SR-IOV can not be disabled on this port\n",
+ adapter->portnum);
+ netdev_info(adapter->netdev,
+ "Please detach SR-IOV VFs belonging to port %d from VMs, and then try to disable SR-IOV on this port\n",
+ adapter->portnum);
+ return -EPERM;
+ }
+
rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);