gianfar: remove use of VLAN_TAG_PRESENT

Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/gianfar_ethtool.c

@@ -1134,11 +1134,9 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
 		prio = vlan_tci_prio(rule);
 		prio_mask = vlan_tci_priom(rule);
 
-		if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
-			vlan |= RQFPR_CFI;
-			vlan_mask |= RQFPR_CFI;
-		} else if (cfi != VLAN_TAG_PRESENT &&
-			   cfi_mask == VLAN_TAG_PRESENT) {
+		if (cfi_mask) {
+			if (cfi)
+				vlan |= RQFPR_CFI;
 			vlan_mask |= RQFPR_CFI;
 		}
 	}