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From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Thu, 20 Feb 2003 07:35:54 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern kern_conf.c
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phk         2003/02/20 07:35:54 PST

  Modified files:
    sys/kern             kern_conf.c 
  Log:
  Add a dead_cdevsw which does its best to return ENXIO if at all possible.
  
  In devsw() return dead_cdevsw instead of NULL in case the dev_t does not
  have a si_devsw.
  
  This may improve our survival chances with devices which go away unexpectedly.
  
  Revision  Changes    Path
  1.122     +53 -3     src/sys/kern/kern_conf.c

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