1 files changed, 3 insertions, 1 deletions

diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index 158d105e76da..58e2f479ffb4 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -806,7 +806,9 @@ static void bbr_update_min_rtt(struct sock *sk, const struct rate_sample *rs)
                         }
                 }
         }
-        bbr->idle_restart = 0;
+        /* Restart after idle ends only once we process a new S/ACK for data */
+        if (rs->delivered > 0)
+                bbr->idle_restart = 0;
 }
 
 static void bbr_update_model(struct sock *sk, const struct rate_sample *rs)