From d98ef5699d2f3f7242ea42dc85818bfeba55abd9 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Wed, 17 Feb 2021 09:11:28 -0800
Subject: [PATCH] wgengine/filter: remove redundant code

no generated code change.
---
 wgengine/filter/filter.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wgengine/filter/filter.go b/wgengine/filter/filter.go
index b7eae68b1..a9cfcf47c 100644
--- a/wgengine/filter/filter.go
+++ b/wgengine/filter/filter.go
@@ -347,7 +347,7 @@ func (f *Filter) runIn4(q *packet.Parsed) (r Response, why string) {
 		// can't be initiated without first sending a SYN.
 		// It happens to also be much faster.
 		// TODO(apenwarr): Skip the rest of decoding in this path?
-		if q.IPProto == packet.TCP && !q.IsTCPSyn() {
+		if !q.IsTCPSyn() {
 			return Accept, "tcp non-syn"
 		}
 		if f.matches4.match(q) {