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From: Bruce Cran <brucec@FreeBSD.org>
Date: Sun, 21 Nov 2010 14:34:25 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/sysinstall dispatch.c
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brucec      2010-11-21 14:34:25 UTC

  FreeBSD src repository

  Modified files:
    usr.sbin/sysinstall  dispatch.c 
  Log:
  SVN rev 215637 on 2010-11-21 14:34:25Z by brucec
  
  dispatch_add_command:
  Modify the logic so there's only one exit point instead of two.
  Only insert valid (non-NULL) values into the queue.
  
  dispatch_free_command:
  Ensure that item is not NULL before removing it from the queue and
  dereferencing the pointer.
  NULL out free'd pointers to catch any use-after-free bugs.
  
  PR:     bin/146855
  Submitted by:   gcooper
  MFC after: 3 days
  
  Revision  Changes    Path
  1.56      +23 -9     src/usr.sbin/sysinstall/dispatch.c