From: Nanyong Sun Date: Wed, 8 Sep 2021 03:00:15 +0000 (-0700) Subject: nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=24f8cb1ed057c840728167dab33b32e44147c86f;p=linux.git nilfs2: fix memory leak in nilfs_sysfs_create_##name##_group If kobject_init_and_add return 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/20210629022556.3985106-4-sunnanyong@huawei.com Link: https://lkml.kernel.org/r/1625651306-10829-4-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 --- diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c index ec85ac53720d2..6305e4ef7e39b 100644 --- a/fs/nilfs2/sysfs.c +++ b/fs/nilfs2/sysfs.c @@ -79,8 +79,8 @@ static int nilfs_sysfs_create_##name##_group(struct the_nilfs *nilfs) \ err = kobject_init_and_add(kobj, &nilfs_##name##_ktype, parent, \ #name); \ if (err) \ - return err; \ - return 0; \ + kobject_put(kobj); \ + return err; \ } \ static void nilfs_sysfs_delete_##name##_group(struct the_nilfs *nilfs) \ { \