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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Fri, 16 May 2008 11:41:51 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc: 
Subject: cvs commit: src/sys/kern kern_conf.c
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kib         2008-05-16 11:41:51 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/kern             kern_conf.c 
  Log:
  MFC part of the rev. 1.210, and the rev. 1.211.
  
  In the giant_XXX wrappers for the device methods of the D_NEEDGIANT
  drivers, do not dereference the cdev->si_devsw. It is racing with
  the destroy_devl() clearing of the si_devsw. Instead, use the
  dev_refthread() and return ENXIO for the destroyed device.
  
  PR:     kern/122287
  
  Revision    Changes    Path
  1.186.2.10  +64 -20    src/sys/kern/kern_conf.c