From 2807409d4968a3dd7b49ac073eadeaf3e6bffc8f Mon Sep 17 00:00:00 2001
From: Lei Zhao <zlwgx1023@gmail.com>
Date: Tue, 31 May 2022 16:17:49 +0800
Subject: [PATCH] client: fix nil dereference when closing conns (#514)

Signed-off-by: youjiali1995 <zlwgx1023@gmail.com>

Co-authored-by: Yilin Chen <sticnarf@gmail.com>
---
 internal/client/client.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/internal/client/client.go b/internal/client/client.go
index d9e1e416..d26546b3 100644
--- a/internal/client/client.go
+++ b/internal/client/client.go
@@ -239,8 +239,10 @@ func (a *connArray) Close() {
 	}
 
 	for _, c := range a.v {
-		err := c.Close()
-		tikverr.Log(err)
+		if c != nil {
+			err := c.Close()
+			tikverr.Log(err)
+		}
 	}
 
 	close(a.done)