From 94d1aa26581ced912dc3dfb120a74273453ec732 Mon Sep 17 00:00:00 2001
From: John Spray <john.spray@redhat.com>
Date: Wed, 20 Jan 2016 13:06:37 +0000
Subject: [PATCH] client: take lock in handle_conf_change

Fixes: #14365
Signed-off-by: John Spray <john.spray@redhat.com>
---
 src/client/Client.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/client/Client.cc b/src/client/Client.cc
index 5dc60c23d4c9c..a4a01a80b3a68 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -12233,6 +12233,8 @@ const char** Client::get_tracked_conf_keys() const
 void Client::handle_conf_change(const struct md_config_t *conf,
 				const std::set <std::string> &changed)
 {
+  Mutex::Locker lock(client_lock);
+
   if (changed.count("client_cache_size") ||
       changed.count("client_cache_mid")) {
     lru.lru_set_max(cct->_conf->client_cache_size);
-- 
2.39.5