1 files changed, 2 insertions, 0 deletions

diff --git a/net/dccp/options.c b/net/dccp/options.c
index e1c94e2b8be0..9fe0510f4022 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -163,6 +163,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
                                       dccp_role(sk), ntohl(opt_val),
                                       (unsigned long long)
                                       DCCP_SKB_CB(skb)->dccpd_ack_seq);
+                        /* schedule an Ack in case this sender is quiescent */
+                        inet_csk_schedule_ack(sk);
                         break;
                 case DCCPO_TIMESTAMP_ECHO:
                         if (len != 4 && len != 6 && len != 8)