From 33357270f1e0673641c9eb28498c9c6e2b9bac72 Mon Sep 17 00:00:00 2001
From: Andy Pan <panjf2000@gmail.com>
Date: Wed, 25 Dec 2019 03:33:14 +0000
Subject: [PATCH] runtime: refine netpollunblock by removing unreachable 'if'
 condition

Change-Id: I58ac10013cadd78618124cb7ff134384d158ea4f
GitHub-Last-Rev: 2dfff0d3d3d18ecb196d5357cdfec196424d9e3b
GitHub-Pull-Request: golang/go#36276
Reviewed-on: https://go-review.googlesource.com/c/go/+/212557
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
 src/runtime/netpoll.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/netpoll.go b/src/runtime/netpoll.go
index 3852598b7e..918c361c2e 100644
--- a/src/runtime/netpoll.go
+++ b/src/runtime/netpoll.go
@@ -447,7 +447,7 @@ func netpollunblock(pd *pollDesc, mode int32, ioready bool) *g {
 			new = pdReady
 		}
 		if atomic.Casuintptr(gpp, old, new) {
-			if old == pdReady || old == pdWait {
+			if old == pdWait {
 				old = 0
 			}
 			return (*g)(unsafe.Pointer(old))
-- 
2.50.0