f2fs: fix incorrect return value in f2fssanitycheck_ckpt()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.82 by commit 7a5439474e69ddfe2921338ee1036bb730a56f26, it was introduced in version v5.10.67 by commit 74d6dfcb0f9daa0fd32368147c34cff05026eb4a. For more details please see the references link.