From 3781105f7c1803211bfba8c2d7207ec3b27b9afb Mon Sep 17 00:00:00 2001
From: okJiang <819421878@qq.com>
Date: Mon, 18 Dec 2023 16:55:45 +0800
Subject: [PATCH] fix comment

---
 pkg/disttask/framework/taskexecutor/slot.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/disttask/framework/taskexecutor/slot.go b/pkg/disttask/framework/taskexecutor/slot.go
index 73a3d690cd0ac..cb9a34ef606c2 100644
--- a/pkg/disttask/framework/taskexecutor/slot.go
+++ b/pkg/disttask/framework/taskexecutor/slot.go
@@ -63,5 +63,8 @@ func (sm *slotManager) unReserve(taskID int64) {
 
 // canReserve is used to check whether the instance has enough slots to run the task.
 func (sm *slotManager) canReserve(task *proto.Task) bool {
+	sm.Lock()
+	defer sm.Unlock()
+
 	return sm.available >= task.Concurrency
 }