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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 21 Jun 2009 21:42:29 +0000 (UTC)
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Subject: cvs commit: src/sys/netipx ipx.c
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rwatson     2009-06-21 21:42:29 UTC

  FreeBSD src repository

  Modified files:
    sys/netipx           ipx.c 
  Log:
  SVN rev 194610 on 2009-06-21 21:42:29Z by rwatson
  
  Add ipx_ifaddr locking to ipx_control(), which should close most
  remaining potential races in ifconfig's management of IPX addresses.
  
  This is largely accomplished by dropping a global write lock for the
  IPX address list over the body of in_control(), although there are
  some places we bump the refcount on an ifaddr of interest while
  calling out to the routing code or link layer code, which might
  require revisiting.
  
  Annotate one as a potential race if two simultaneous delete ioctls
  are issued for the same IPX addresses at once.
  
  MFC after:      3 weeks
  
  Revision  Changes    Path
  1.39      +70 -27    src/sys/netipx/ipx.c