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>
diff --git a/src/runtime/netpoll.go b/src/runtime/netpoll.go
index 3852598..918c361 100644
--- a/src/runtime/netpoll.go
+++ b/src/runtime/netpoll.go
@@ -447,7 +447,7 @@
new = pdReady
}
if atomic.Casuintptr(gpp, old, new) {
- if old == pdReady || old == pdWait {
+ if old == pdWait {
old = 0
}
return (*g)(unsafe.Pointer(old))
