nilfs2: fix NULL pointer dereference in nilfspalloccommitfreeentry()
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 v5.4.226 by commit 9a130b72e6bd1fb07fc3cde839dc6fb53da76f07. For more details please see the references link.