+ nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch added to -mm tree

+ nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch added to -mm tree

[akpm]

The patch titled
     Subject: nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group
has been added to the -mm tree.  Its filename is
     nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Nanyong Sun <sunnanyong@huawei.com>
Subject: nilfs2: fix memory leak in nilfs_sysfs_delete_##name##_group

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 <sunnanyong@huawei.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/nilfs2/sysfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/nilfs2/sysfs.c~nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group
+++ a/fs/nilfs2/sysfs.c
@@ -84,7 +84,7 @@ static int nilfs_sysfs_create_##name##_g
 } \
 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); \
 }
 
 /************************************************************************
_

Patches currently in -mm which might be from sunnanyong@huawei.com are

nilfs2-fix-memory-leak-in-nilfs_sysfs_create_device_group.patch
nilfs2-fix-null-pointer-in-nilfs_name_attr_release.patch
nilfs2-fix-memory-leak-in-nilfs_sysfs_create_name_group.patch
nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_name_group.patch
nilfs2-fix-memory-leak-in-nilfs_sysfs_create_snapshot_group.patch
nilfs2-fix-memory-leak-in-nilfs_sysfs_delete_snapshot_group.patch