From 161a5c8c179b6b6345c62e393d9867345b56dc09 Mon Sep 17 00:00:00 2001 From: Nanyong Sun Date: Tue, 7 Sep 2021 20:00:18 -0700 Subject: [PATCH] nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group BugLink: https://bugs.launchpad.net/bugs/1947885 [ Upstream commit a3e181259ddd61fd378390977a1e4e2316853afa ] The kobject_put() should be used to cleanup the memory associated with the kobject instead of kobject_del. See the section "Kobject removal" of "Documentation/core-api/kobject.rst". Link: https://lkml.kernel.org/r/20210629022556.3985106-5-sunnanyong@huawei.com Link: https://lkml.kernel.org/r/1625651306-10829-5-git-send-email-konishi.ryusuke@gmail.com Signed-off-by: Nanyong Sun Signed-off-by: Ryusuke Konishi Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin Signed-off-by: Kamal Mostafa Signed-off-by: Kelsey Skunberg --- 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 31d640a87b59..195f42192a15 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -97,7 +97,7 @@ 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); \ } /************************************************************************ -- 2.39.5