diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index a2690b1..72495f2 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -192,7 +192,7 @@
 }
 
 static int dn_fib_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
-			    struct nlmsghdr *nlh, struct fib_rule_hdr *frh)
+			    struct fib_rule_hdr *frh)
 {
 	struct dn_fib_rule *r = (struct dn_fib_rule *)rule;