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authorNanyong Sun <sunnanyong@huawei.com>2021-09-07 20:00:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-08 11:50:27 -0700
commitb2fe39c248f3fa4bbb2a20759b4fdd83504190f7 (patch)
tree32ff936e76a757d37b6e882deba11adea184f59f /fs
parenta3e181259ddd61fd378390977a1e4e2316853afa (diff)
downloadlinux-b2fe39c248f3fa4bbb2a20759b4fdd83504190f7.tar.bz2
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')
-rw-r--r--fs/nilfs2/sysfs.c4
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)