net: vlan: remove reduntant check in ndo_fix_features callback

Use the fact that ORing with zero is a no-op.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index d8f45ba..49bb752 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -593,8 +593,7 @@
 	features &= real_dev->features;
 	features &= real_dev->vlan_features;
 
-	if (old_features & NETIF_F_SOFT_FEATURES)
-		features |= old_features & NETIF_F_SOFT_FEATURES;
+	features |= old_features & NETIF_F_SOFT_FEATURES;
 
 	if (dev_ethtool_get_rx_csum(real_dev))
 		features |= NETIF_F_RXCSUM;