hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam()
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 v5.15.86 by commit 9a8862820cbf1f18dca4f3b4c289d88561b3a384. For more details please see the references link.