From d1f33a6c4c7e70cbe447b6dcee834f44968a1e1d Mon Sep 17 00:00:00 2001
From: Aofei Sheng <aofei@aofeisheng.com>
Date: Sat, 3 Aug 2024 09:04:34 +0800
Subject: [PATCH] perf(lib/sync): avoid using `defer`

---
 internal/lib/sync/sync.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/lib/sync/sync.go b/internal/lib/sync/sync.go
index 415b6dec..69075e0c 100644
--- a/internal/lib/sync/sync.go
+++ b/internal/lib/sync/sync.go
@@ -98,11 +98,11 @@ type Once struct {
 func (o *Once) Do(f func()) {
 	if !o.done {
 		o.m.Lock()
-		defer o.m.Unlock()
 		if !o.done {
 			o.done = true
 			f()
 		}
+		o.m.Unlock()
 	}
 }