jhb d64a5d112c Similar to 189574, properly handle subclasses of bus drivers when deleting
a driver during kldunload.  Specifically, recursively walk the tree of
subclasses of a given driver attachment's bus device class detaching all
instances of that driver for each class and its subclasses.

Reported by:	bschmidt
Reviewed by:	imp
MFC after:	1 week
2011-03-01 14:43:37 +00:00
..
2011-03-01 11:47:51 +00:00
2011-02-28 05:45:31 +00:00
2011-02-12 01:03:15 +00:00
2011-02-21 16:21:43 +00:00
2011-02-21 09:01:34 +00:00
2011-02-21 09:01:34 +00:00
2011-02-21 09:01:34 +00:00
2010-12-05 10:15:23 +00:00