diff options
| author | Nanyong Sun <sunnanyong@huawei.com> | 2021-09-07 20:00:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-08 11:50:27 -0700 |
| commit | b2fe39c248f3fa4bbb2a20759b4fdd83504190f7 (patch) | |
| tree | 32ff936e76a757d37b6e882deba11adea184f59f /fs/nilfs2 | |
| parent | a3e181259ddd61fd378390977a1e4e2316853afa (diff) | |
| download | lwn-b2fe39c248f3fa4bbb2a20759b4fdd83504190f7.tar.gz lwn-b2fe39c248f3fa4bbb2a20759b4fdd83504190f7.zip | |
nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group
If kobject_init_and_add returns with error, kobject_put() is needed here
to avoid memory leak, because kobject_init_and_add may return error
without freeing the memory associated with the kobject it allocated.
Link: https://lkml.kernel.org/r/20210629022556.3985106-6-sunnanyong@huawei.com
Link: https://lkml.kernel.org/r/1625651306-10829-6-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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2')
| -rw-r--r-- | fs/nilfs2/sysfs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index d989e6500bd7..5ba87573ad3b 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -195,9 +195,9 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root) } if (err) - return err; + kobject_put(&root->snapshot_kobj); - return 0; + return err; } void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root) |