qlcnic: Disable admin tools interface for VF driver mode

Non privileged (VF) driver will not be able to carry out any of the FW update,
etc. operations. Disable the tools interface by not creating the sysfs nodes.
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/qlcnic/qlcnic_main.c

@@ -3272,6 +3272,8 @@ qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
 {
 	struct device *dev = &adapter->pdev->dev;
 
+	if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
+		return;
 	if (device_create_file(dev, &dev_attr_diag_mode))
 		dev_info(dev, "failed to create diag_mode sysfs entry\n");
 	if (device_create_bin_file(dev, &bin_attr_crb))
@@ -3292,12 +3294,13 @@ qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
 
 }
 
-
 static void
 qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
 {
 	struct device *dev = &adapter->pdev->dev;
 
+	if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC)
+		return;
 	device_remove_file(dev, &dev_attr_diag_mode);
 	device_remove_bin_file(dev, &bin_attr_crb);
 	device_remove_bin_file(dev, &bin_attr_mem);