From: Eric Dumazet <edumazet@google.com>
Date: Fri, 6 Oct 2017 05:21:25 +0000 (-0700)
Subject: tcp: reduce tcp_fastretrans_alert() verbosity
X-Git-Tag: v4.19~2168^2~536^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8ba6ddaaf86c4c6814774e4e4ef158b732bd9f9f;p=platform%2Fkernel%2Flinux-rpi.git

tcp: reduce tcp_fastretrans_alert() verbosity

With upcoming rb-tree implementation, the checks will trigger
more often, and this is expected.

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

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index abc3b1d..be76442 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2804,9 +2804,9 @@ static void tcp_fastretrans_alert(struct sock *sk, const int acked,
 	bool do_lost = is_dupack || ((flag & FLAG_DATA_SACKED) &&
 				    (tcp_fackets_out(tp) > tp->reordering));
 
-	if (WARN_ON(!tp->packets_out && tp->sacked_out))
+	if (!tp->packets_out && tp->sacked_out)
 		tp->sacked_out = 0;
-	if (WARN_ON(!tp->sacked_out && tp->fackets_out))
+	if (!tp->sacked_out && tp->fackets_out)
 		tp->fackets_out = 0;
 
 	/* Now state machine starts.