From: Nanyong Sun sunnanyong@huawei.com
[ Upstream commit b2fe39c248f3fa4bbb2a20759b4fdd83504190f7 ]
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@... 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 Signed-off-by: Sasha Levin sashal@kernel.org --- fs/nilfs2/sysfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index 8a0af1e378c1..73d872a24a21 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -217,9 +217,9 @@ 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)