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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Fri, 31 Dec 2010 21:47:11 +0000 (UTC)
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Subject: cvs commit: src/sys/netinet ip_output.c
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bz          2010-12-31 21:47:11 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          ip_output.c 
  Log:
  SVN rev 216857 on 2010-12-31 21:47:11Z by bz
  
  Try to catch a possible divide-by-zero as early as possible if "mtu" is 0
  (also test for negative MTUs if checking it anyway).
  An MTU of 0 is arguably a bug elsewhere, but this at least gives us some
  more debugging hints.
  
  Sponsored by:   ISPsystem (Early 2010)
  MFC after:      1 week
  
  Revision  Changes    Path
  1.328     +3 -0      src/sys/netinet/ip_output.c