diff options
| author | Chao Yu <yuchao0@huawei.com> | 2019-12-30 17:41:41 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 16:36:05 +0100 |
| commit | 981bc763712ca0a42ec7323d974d07cea0ee6eff (patch) | |
| tree | d070de2d1d2e5d110baabd32bdec1d40a83cbd3c /fs | |
| parent | 434f42546a6eda220f53b489a377a34f35f542d5 (diff) | |
f2fs: fix memleak of kobject
[ Upstream commit fe396ad8e7526f059f7b8c7290d33a1b84adacab ]
If kobject_init_and_add() failed, caller needs to invoke kobject_put()
to release kobject explicitly.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/sysfs.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 79e45e760c20..a55919eec035 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -507,10 +507,12 @@ int __init f2fs_init_sysfs(void) ret = kobject_init_and_add(&f2fs_feat, &f2fs_feat_ktype, NULL, "features"); - if (ret) + if (ret) { + kobject_put(&f2fs_feat); kset_unregister(&f2fs_kset); - else + } else { f2fs_proc_root = proc_mkdir("fs/f2fs", NULL); + } return ret; } @@ -531,8 +533,11 @@ int f2fs_register_sysfs(struct f2fs_sb_info *sbi) init_completion(&sbi->s_kobj_unregister); err = kobject_init_and_add(&sbi->s_kobj, &f2fs_sb_ktype, NULL, "%s", sb->s_id); - if (err) + if (err) { + kobject_put(&sbi->s_kobj); + wait_for_completion(&sbi->s_kobj_unregister); return err; + } if (f2fs_proc_root) sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root); |