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From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 13 Jul 2010 11:04:46 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/kern tty.c
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ed          2010-07-13 11:04:46 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/kern             tty.c 
  Log:
  SVN rev 209989 on 2010-07-13 11:04:46Z by ed
  
  MFC r209718:
  
    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
  
  Revision   Changes    Path
  1.328.2.5  +2 -1      src/sys/kern/tty.c