kib 66a23058ee Ensure that mds_handler always points to a valid method.
Depending on system configuration, version, and architecture,
mds_handler might be dereferenced from doreti before
hw_mds_recalculate_boot() initialized it.  Statically assign void
method to cover all cases.

Reported by:	"Schuendehuette, Matthias (LDA IT PLM)" <matthias.schuendehuette@siemens.com>
Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
2019-07-11 16:22:49 +00:00
..