diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index d8fe3e549373..dc4aefdf2a08 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -144,6 +144,8 @@ static void reuseport_free_rcu(struct rcu_head *head)
  *  reuseport_add_sock - Add a socket to the reuseport group of another.
  *  @sk:  New socket to add to the group.
  *  @sk2: Socket belonging to the existing reuseport group.
+ *  @bind_inany: Whether or not the group is bound to a local INANY address.
+ *
  *  May return ENOMEM and not add socket to group under memory pressure.
  */
 int reuseport_add_sock(struct sock *sk, struct sock *sk2, bool bind_inany)