linux-kernel - [PATCH 4/6] nilfs2: fix memory leak in nilfs_sysfs_delete_##name##

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210629022556.3985106-5-sunnanyong@huawei.com>
Date:   Tue, 29 Jun 2021 10:25:54 +0800
From:   Nanyong Sun <sunnanyong@...wei.com>
To:     <konishi.ryusuke@...il.com>
CC:     <linux-nilfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sunnanyong@...wei.com>, <wangkefeng.wang@...wei.com>
Subject: [PATCH 4/6] nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group

The kobject_put() should be used to cleanup the memory associated with
the kobject insead of kobject_del. See the section "Kobject removal"
of "Documentation/core-api/kobject.rst".

Signed-off-by: Nanyong Sun <sunnanyong@...wei.com>
---
 fs/nilfs2/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
index 6305e4ef7e39..d989e6500bd7 100644
--- a/fs/nilfs2/sysfs.c
+++ b/fs/nilfs2/sysfs.c
@@ -84,7 +84,7 @@ static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \
 } \
 static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \
 { \
-	kobject_del(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
+	kobject_put(&nilfs->ns_##parent_name##_subgroups->sg_##name##_kobj); \
 }
 
 /************************************************************************
-- 
2.18.0.huawei.25