openvswitch: Remove redundant tcp_flags code.

These two cases used to be treated differently for IPv4/IPv6,
but they are now identical.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>

net/openvswitch/flow_netlink.c

@@ -611,7 +611,6 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
 				const struct nlattr **a, bool is_mask)
 {
 	int err;
-	u64 orig_attrs = attrs;
 
 	err = metadata_from_nlattrs(match, &attrs, a, is_mask);
 	if (err)
@@ -764,15 +763,9 @@ static int ovs_key_from_nlattrs(struct sw_flow_match *match, u64 attrs,
 	}
 
 	if (attrs & (1 << OVS_KEY_ATTR_TCP_FLAGS)) {
-		if (orig_attrs & (1 << OVS_KEY_ATTR_IPV4)) {
 		SW_FLOW_KEY_PUT(match, tp.flags,
 				nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]),
 				is_mask);
-		} else {
-			SW_FLOW_KEY_PUT(match, tp.flags,
-					nla_get_be16(a[OVS_KEY_ATTR_TCP_FLAGS]),
-					is_mask);
-		}
 		attrs &= ~(1 << OVS_KEY_ATTR_TCP_FLAGS);
 	}