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-rw-r--r--net/dccp/output.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 630ca7741022..f96dedd3ad5e 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -171,6 +171,7 @@ int dccp_write_xmit(struct sock *sk, struct sk_buff *skb, const int len)
* dccps_ack_pending or use icsk.
*/
} else if (inet_csk_ack_scheduled(sk) ||
+ dp->dccps_timestamp_echo != 0 ||
(dp->dccps_options.dccpo_send_ack_vector &&
ap->dccpap_buf_ackno != DCCP_MAX_SEQNO + 1 &&
ap->dccpap_ack_seqno == DCCP_MAX_SEQNO + 1))