1 files changed, 6 insertions, 0 deletions

diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index e32d0c3d5a96..b7dfd04a9638 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -241,6 +241,12 @@ static u32 dn_fib_rule_default_pref(void)
         return 0;
 }
 
+static size_t dn_fib_rule_nlmsg_payload(struct fib_rule *rule)
+{
+        return nla_total_size(2) /* dst */
+               + nla_total_size(2); /* src */
+}
+
 int dn_fib_dump_rules(struct sk_buff *skb, struct netlink_callback *cb)
 {
         return fib_rules_dump(skb, cb, AF_DECnet);