K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2015-09-07T23:16:39.329550Z
K 7
svn:log
V 291
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 (https://github.com/NextBSD/NextBSD/commit/91a9bd1dbb33dafb41684d054e59d73976de9654)

END