fou: Fix typo in returning flags in netlink

When filling netlink info, dport is being returned as flags. Fix
instances to return correct value.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ip_gre.c

@@ -789,7 +789,7 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	    nla_put_u16(skb, IFLA_GRE_ENCAP_DPORT,
 			t->encap.dport) ||
 	    nla_put_u16(skb, IFLA_GRE_ENCAP_FLAGS,
-			t->encap.dport))
+			t->encap.flags))
 		goto nla_put_failure;
 
 	return 0;

net/ipv4/ipip.c

@@ -465,7 +465,7 @@ static int ipip_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	    nla_put_u16(skb, IFLA_IPTUN_ENCAP_DPORT,
 			tunnel->encap.dport) ||
 	    nla_put_u16(skb, IFLA_IPTUN_ENCAP_FLAGS,
-			tunnel->encap.dport))
+			tunnel->encap.flags))
 		goto nla_put_failure;
 
 	return 0;

net/ipv6/sit.c

@@ -1714,7 +1714,7 @@ static int ipip6_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	    nla_put_u16(skb, IFLA_IPTUN_ENCAP_DPORT,
 			tunnel->encap.dport) ||
 	    nla_put_u16(skb, IFLA_IPTUN_ENCAP_FLAGS,
-			tunnel->encap.dport))
+			tunnel->encap.flags))
 		goto nla_put_failure;
 
 	return 0;