From 6e446423937abd0d2d3413385bea78df1f0fbc48 Mon Sep 17 00:00:00 2001
From: Xiubo Li <xiubli@redhat.com>
Date: Fri, 10 Dec 2021 09:15:46 +0800
Subject: [PATCH] mds: set hb to NULL after the memory released

Signed-off-by: Xiubo Li <xiubli@redhat.com>
---
 src/mds/MDSRank.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mds/MDSRank.cc b/src/mds/MDSRank.cc
index 89f340647a2..94de7861f57 100644
--- a/src/mds/MDSRank.cc
+++ b/src/mds/MDSRank.cc
@@ -556,6 +556,7 @@ MDSRank::~MDSRank()
 {
   if (hb) {
     g_ceph_context->get_heartbeat_map()->remove_worker(hb);
+    hb = nullptr;
   }
 
   if (scrubstack) { delete scrubstack; scrubstack = NULL; }
-- 
2.39.5