Adrian Chadd 15b1492c9b Don't call enable_all_rings if the adapter has been freed.
This is a subtle use-after-free race that results in some very undesirable
hang behaviour.

Reviewed by:	pkelsey
Obtained from:	Kip Macy, NextBSD (91a9bd1dbb)
2015-09-07 23:16:39 +00:00
..
2015-08-28 00:17:21 +00:00
2015-09-04 19:57:28 +00:00
2015-05-29 14:03:07 +00:00