From fef20d10a273281e95fde5eb190afce425979269 Mon Sep 17 00:00:00 2001
From: None <lutherlau@foxmail.com>
Date: Thu, 5 Nov 2020 22:33:33 +0800
Subject: [PATCH] Update gtimer_timer.go

bugfix: avoid overflow
---
 os/gtimer/gtimer_timer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/os/gtimer/gtimer_timer.go b/os/gtimer/gtimer_timer.go
index f03a5118c..733c09d62 100644
--- a/os/gtimer/gtimer_timer.go
+++ b/os/gtimer/gtimer_timer.go
@@ -233,7 +233,7 @@ func (t *Timer) binSearchIndex(n int64) (index int, result int) {
 	mid := 0
 	cmp := -2
 	for min <= max {
-		mid = int((min + max) / 2)
+		mid = min + int((max-min)/2)
 		switch {
 		case t.wheels[mid].intervalMs == n:
 			cmp = 0