tcp: move app_limited init to tcp_disconnect()

If we make sure all listeners have app_limited set to ~0U,
then a clone will also inherit proper initial value.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 551ad8604bea..5f15fcc9612a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2609,6 +2609,9 @@ int tcp_disconnect(struct sock *sk, int flags)
         tp->sacked_out = 0;
         tp->tlp_high_seq = 0;
         tp->last_oow_ack_time = 0;
+        /* There's a bubble in the pipe until at least the first ACK. */
+        tp->app_limited = ~0U;
+
 
         /* Clean up fastopen related fields */
         tcp_free_fastopen_req(tp);