ixgbe: Fix compile for kernel without CONFIG_PCI_IOV defined

Fix compiler errors and warnings with CONFIG_PCI_IOV defined and not
defined.
Signed-off-by: NGreg Rose <gregory.v.rose@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c

@@ -442,12 +442,14 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter,
 
 int ixgbe_check_vf_assignment(struct ixgbe_adapter *adapter)
 {
+#ifdef CONFIG_PCI_IOV
 	int i;
 	for (i = 0; i < adapter->num_vfs; i++) {
 		if (adapter->vfinfo[i].vfdev->dev_flags &
 				PCI_DEV_FLAGS_ASSIGNED)
 			return true;
 	}
+#endif
 	return false;
 }
 

drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h

@@ -42,11 +42,11 @@ int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting);
 int ixgbe_ndo_get_vf_config(struct net_device *netdev,
 			    int vf, struct ifla_vf_info *ivi);
 void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter);
-#ifdef CONFIG_PCI_IOV
 void ixgbe_disable_sriov(struct ixgbe_adapter *adapter);
+int ixgbe_check_vf_assignment(struct ixgbe_adapter *adapter);
+#ifdef CONFIG_PCI_IOV
 void ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
 			const struct ixgbe_info *ii);
-int ixgbe_check_vf_assignment(struct ixgbe_adapter *adapter);
 #endif