net: fib_rules: add extack support

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 298fd8b..20a419e 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -180,7 +180,8 @@ static const struct nla_policy ip6mr_rule_policy[FRA_MAX + 1] = {
 };
 
 static int ip6mr_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
-				struct fib_rule_hdr *frh, struct nlattr **tb)
+				struct fib_rule_hdr *frh, struct nlattr **tb,
+				struct netlink_ext_ack *extack)
 {
 	return 0;
 }