cvs commit: src/sys/dev/ata ata-lowlevel.c

[Nate Lawson]

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