1 files changed, 6 insertions, 0 deletions

diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h
index 92f65b0fef5b..b757e9b4110f 100644
--- a/net/dccp/ackvec.h
+++ b/net/dccp/ackvec.h
@@ -118,6 +118,7 @@ extern int dccp_ackvec_parse(struct sock *sk, const struct sk_buff *skb,
                              const u8 *value, const u8 len);
 
 extern int  dccp_ackvec_update_records(struct dccp_ackvec *av, u64 seq, u8 sum);
+extern void dccp_ackvec_clear_state(struct dccp_ackvec *av, const u64 ackno);
 extern u16  dccp_ackvec_buflen(const struct dccp_ackvec *av);
 
 static inline bool dccp_ackvec_is_empty(const struct dccp_ackvec *av)
@@ -149,6 +150,11 @@ static inline int dccp_ackvec_add(struct dccp_ackvec *av, const struct sock *sk,
         return -1;
 }
 
+static inline void dccp_ackvec_clear_state(struct dccp_ackvec *av,
+                                            const u64 ackno)
+{
+}
+
 static inline void dccp_ackvec_check_rcv_ackno(struct dccp_ackvec *av,
                                                struct sock *sk, const u64 ackno)
 {