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From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 6 Jul 2010 08:56:34 +0000 (UTC)
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Subject: cvs commit: src/sys/kern tty.c
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ed          2010-07-06 08:56:34 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             tty.c 
  Log:
  SVN rev 209718 on 2010-07-06 08:56:34Z by ed
  
  Fix a race condition, where a TTY could be destroyed twice.
  
  There are special cases where tty_rel_free() can be called twice in a
  row, namely when closing and revoking the TTY at the same moment. Only
  call destroy_dev_sched_cb() once.
  
  Reported by:    Jeremie Le Hen
  MFC after:      1 week
  
  Revision  Changes    Path
  1.337     +2 -1      src/sys/kern/tty.c