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From: Nate Lawson <njl@FreeBSD.org>
Date: Fri, 6 Aug 2004 22:23:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/dev/ata ata-lowlevel.c
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njl         2004-08-06 22:23:53 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ata          ata-lowlevel.c 
  Log:
  Fix a panic in ata_generic_transaction().  The DMA pointer of the channel
  was being unconditionally dereferenced but was NULL for PIO requests.
  Check the request flags for a DMA transaction before dereferencing.
  
  Reported by:    ceri
  Tested by:      Radek Kozlowski <radek -at- raadradd.com>
  
  Revision  Changes    Path
  1.42      +1 -1      src/sys/dev/ata/ata-lowlevel.c