K 10
svn:author
V 6
emaste
K 8
svn:date
V 27
2014-06-05T15:18:49.847160Z
K 7
svn:log
V 475
MFC r240938, r240942: Avoid INVARIANTS panic destroying an in-use tap(4)

  The requirement (implied by the KASSERT in tap_destroy) that the tap is
  closed isn't valid; destroy_dev will block in devdrn while other threads
  are in d_* functions.

  Note: if_tun had the same issue, addressed in SVN revisions r186391,
  r186483 and r186497.  The use of the condvar there appears to be
  redundant with the functionality provided by destroy_dev.

PR:		172075
Approved by:	re

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