1 files changed, 5 insertions, 9 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2f1588bf73da..cd8e257492c4 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2377,8 +2377,8 @@ bool tcp_schedule_loss_probe(struct sock *sk)
 {
         struct inet_connection_sock *icsk = inet_csk(sk);
         struct tcp_sock *tp = tcp_sk(sk);
-        u32 timeout, tlp_time_stamp, rto_time_stamp;
         u32 rtt = usecs_to_jiffies(tp->srtt_us >> 3);
+        u32 timeout, rto_delta_us;
 
         /* No consecutive loss probes. */
         if (WARN_ON(icsk->icsk_pending == ICSK_TIME_LOSS_PROBE)) {
@@ -2417,14 +2417,10 @@ bool tcp_schedule_loss_probe(struct sock *sk)
                                 (rtt + (rtt >> 1) + TCP_DELACK_MAX));
         timeout = max_t(u32, timeout, msecs_to_jiffies(10));
 
-        /* If RTO is shorter, just schedule TLP in its place. */
-        tlp_time_stamp = tcp_jiffies32 + timeout;
-        rto_time_stamp = (u32)inet_csk(sk)->icsk_timeout;
-        if ((s32)(tlp_time_stamp - rto_time_stamp) > 0) {
-                s32 delta = rto_time_stamp - tcp_jiffies32;
-                if (delta > 0)
-                        timeout = delta;
-        }
+        /* If the RTO formula yields an earlier time, then use that time. */
+        rto_delta_us = tcp_rto_delta_us(sk);  /* How far in future is RTO? */
+        if (rto_delta_us > 0)
+                timeout = min_t(u32, timeout, usecs_to_jiffies(rto_delta_us));
 
         inet_csk_reset_xmit_timer(sk, ICSK_TIME_LOSS_PROBE, timeout,
                                   TCP_RTO_MAX);