From owner-cvs-all  Fri May 26  6:47: 6 2000
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From: Andrew Gallatin <gallatin@FreeBSD.org>
Date: Fri, 26 May 2000 06:47:03 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/net if_loop.c
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gallatin    2000/05/26 06:47:03 PDT

  Modified files:
    sys/net              if_loop.c 
  Log:
  Rather than checking for hlen causing misalignment, we should do the
  m_adj() and then check the resulting mbuf for misalignment, copying
  backwards to align the mbuf if required.
  
  This fixes a longstanding problem where an mbuf which would have been
  properly aligned after an m_adj() was being misaligned and causing an
  unaligned access trap in ip_input().  This bug only triggered when booting
  diskless.
  
  Reviewed by:	dfr
  
  Revision  Changes    Path
  1.49      +10 -8     src/sys/net/if_loop.c



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