K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2017-03-09T21:05:47.216058Z
K 7
svn:log
V 383
Avoid bind lock recursion.

When dlclose(3) unloads an object with filtees, it recursively calls
dlclose(3) on each filtee in free_needed_filtees().  Introduce
dlclose_locked() helper, called from free_needed_filtees() instead of
dlclose(), and pass the bind lockstate down to avoid recursing.

Reported and tested by:	jhibbits
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END