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From: Qing Li <qingli@FreeBSD.org>
Date: Thu, 25 Dec 2008 22:32:32 +0000 (UTC)
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Subject: cvs commit: src/sys/net if_tun.c
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qingli      2008-12-25 22:32:32 UTC

  FreeBSD src repository

  Modified files:
    sys/net              if_tun.c 
  Log:
  SVN rev 186497 on 2008-12-25 22:32:32Z by qingli
  
  The "tun?" dev need not be opened at all. One is allowed to perform
  the following operations, e.g.:
  1) ifconfig tun0 create
  2) ifconfig tun0 10.1.1.1 10.1.1.2
  3) route add -net 192.103.54.0/24 -iface tun0
  4) ifconfig tun0 destroy
  If cv wait on the TUN_CLOSED flag, then the last operation (4) will
  block forever.
  
  Revert the previous changes and fix the mtx_unlock() leak.
  
  Revision  Changes    Path
  1.175     +2 -4      src/sys/net/if_tun.c