From d0ca2415242502181ed18c49d83675f17957ce3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Lindstr=C3=B6m?= <jan.lindstrom@mariadb.com>
Date: Mon, 27 Dec 2021 10:22:28 +0200
Subject: MDEV-25472 : Server crashes when wsrep_cluster_address set to unkown
 address and wsrep_slave_threads to 0

Return failure if we are not connected when slave threads are set
---
 sql/wsrep_thd.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sql/wsrep_thd.cc b/sql/wsrep_thd.cc
index ae797c4c712..eecda830023 100644
--- a/sql/wsrep_thd.cc
+++ b/sql/wsrep_thd.cc
@@ -587,9 +587,8 @@ bool wsrep_create_appliers(long threads, bool thread_count_lock)
     {
       WSREP_ERROR("Trying to launch slave threads before creating "
                   "connection at '%s'", wsrep_cluster_address);
-      assert(0);
     }
-    return false;
+    return true;
   }
 
   long wsrep_threads= 0;
-- 
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