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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 28 Feb 2010 16:25:49 +0000 (UTC)
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Subject: cvs commit: src/sys/net if_tap.c if_tun.c
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kib         2010-02-28 16:25:49 UTC

  FreeBSD src repository

  Modified files:
    sys/net              if_tap.c if_tun.c 
  Log:
  SVN rev 204464 on 2010-02-28 16:25:49Z by kib
  
  In both if_tun and if_tap:
  
  Do not do additional dev_ref() on the newly created interface in the
  if_clone create method [1]. This reference is not needed and never
  removed, causing struct cdevpriv leakage. Remove the setting of
  SI_CHEAPCLONE flag as well, since it is unused.
  
  For dev_clone handlers, create cdevs with the call make_dev_credf(MAKEDEV_REF)
  instead of calling make_dev() and then dev_ref(), to avoid a race.
  
  Call drain_dev_clone_events() at the module unload time after dev_clone
  handler is deinstalled.
  
  Submitted by:   Mikolaj Golub <to.my.trociny gmail com> [1]
  MFC after:      1 week
  
  Revision  Changes    Path
  1.82      +3 -10     src/sys/net/if_tap.c
  1.185     +2 -9      src/sys/net/if_tun.c