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From: Robert Watson <rwatson@FreeBSD.org>
Date: Mon, 22 Jun 2009 10:23:54 +0000 (UTC)
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/netatalk COPYRIGHT aarp.c at_control.c
 at_var.h ddp_input.c ddp_output.c ddp_pcb.c
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rwatson     2009-06-22 10:23:54 UTC

  FreeBSD src repository

  Modified files:
    sys/netatalk         COPYRIGHT aarp.c at_control.c at_var.h 
                         ddp_input.c ddp_output.c ddp_pcb.c 
  Log:
  SVN rev 194619 on 2009-06-22 10:23:54Z by rwatson
  
  Add a global rwlock, at_ifaddr_rw, to protect the global netatalk
  address lists, at_ifaddr_list.  Acquire the lock, and use ifaddr
  refcounts where necessary, to close most known address-related
  races in netatalk.
  
  Annotate one potential race in at_control() where we acquire an
  ifaddr reference, drop the global lock, and scrub the address from
  the ifnet before re-acquiring the global lock, which could allow
  for a writer-writer race.
  
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.5       +1 -1      src/sys/netatalk/COPYRIGHT
  1.48      +34 -4     src/sys/netatalk/aarp.c
  1.49      +53 -47    src/sys/netatalk/at_control.c
  1.16      +8 -0      src/sys/netatalk/at_var.h
  1.36      +25 -21    src/sys/netatalk/ddp_input.c
  1.35      +9 -1      src/sys/netatalk/ddp_output.c
  1.54      +13 -2     src/sys/netatalk/ddp_pcb.c