From e18dac16f34f4a0d4dacee2dfed4e7b01342a3e6 Mon Sep 17 00:00:00 2001
From: Jiquan Long <jiquan.long@zilliz.com>
Date: Mon, 27 Dec 2021 14:16:38 +0800
Subject: [PATCH] Fix close indexcoord panic (#14237)

Signed-off-by: dragondriver <jiquan.long@zilliz.com>
---
 internal/indexcoord/task_scheduler.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/indexcoord/task_scheduler.go b/internal/indexcoord/task_scheduler.go
index e419d9d20a..b80fc71065 100644
--- a/internal/indexcoord/task_scheduler.go
+++ b/internal/indexcoord/task_scheduler.go
@@ -299,6 +299,8 @@ func (sched *TaskScheduler) Start() error {
 
 // Close closes the task scheduler of indexing tasks.
 func (sched *TaskScheduler) Close() {
-	sched.cancel()
+	if sched.cancel != nil {
+		sched.cancel()
+	}
 	sched.wg.Wait()
 }