riscv, bpf: Fix potential NULL dereference
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 v5.14.16 by commit e1b80a5ebe5431caeb20f88c32d4a024777a2d41, it was introduced in version v5.7 by commit ca6cb5447ceca6a87d6b62c9e5d41042c34f7ffa. For more details please see the references link.