[PATCH bpf] security: Fix the default value of fs_context_parse_param hook

[Mikko Ylinen]

On 30/04/2020 18:52, KP Singh wrote:
> This was noticed when lsm=bpf is supplied on the command line before any
> other LSM. As the bpf lsm uses this default value to implement a default
> hook, this resulted in a failure to parse any fs_context parameters and
> a failure to mount the root filesystem.

Tested-by: Mikko Ylinen <mikko.ylinen at linux.intel.com>