From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: lixiaokeng <lixiaokeng@huawei.com>
Date: Fri, 9 Apr 2021 15:15:05 +0800
Subject: [PATCH] libmultipath: fix memory leak in checker_cleanup_thread

If checker_cleanup_thread is called after cleanup_checkers,
the checker_class will not be freed.

Here, we use free_checker_class instead of checker_class_unref
in checker_cleanup_thread.

Signed-off-by: Lixiaokeng <lixiaokeng@huawei.com>
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 libmultipath/checkers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmultipath/checkers.c b/libmultipath/checkers.c
index 2dd9915d..8039c2bf 100644
--- a/libmultipath/checkers.c
+++ b/libmultipath/checkers.c
@@ -368,7 +368,7 @@ static void checker_cleanup_thread(void *arg)
 {
 	struct checker_class *cls = arg;
 
-	(void)checker_class_unref(cls);
+	free_checker_class(cls);
 	rcu_unregister_thread();
 }