1 files changed, 7 insertions, 0 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0d8f950a9006..7ee98aad82b7 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -162,6 +162,13 @@ static void tcp_event_data_sent(struct tcp_sock *tp,
 /* Account for an ACK we sent. */
 static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts)
 {
+        struct tcp_sock *tp = tcp_sk(sk);
+
+        if (unlikely(tp->compressed_ack)) {
+                tp->compressed_ack = 0;
+                if (hrtimer_try_to_cancel(&tp->compressed_ack_timer) == 1)
+                        __sock_put(sk);
+        }
         tcp_dec_quickack_mode(sk, pkts);
         inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
 }