sbin/geom/class/part/geom_part.c
	Always validate the return of find_geomcfg().  It could be NULL, for
	example when the geom is withering.

Approved by:	ken (mentor)
Sponsored by:	Spectra Logic Corporation
MFC after:	3 weeks
Update driver to version 10.0.664.0.

Many thanks to Emulex for their continued support of FreeBSD.

Submitted by:	Venkata Duvvuru <VenkatKumar.Duvvuru Emulex Com>
MFC after:	3 day