cvs commit: src/sys/dev/usb ehci.c ehcivar.h

[Julian Elischer]

julian      2005-01-01 10:39:36 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_4)
    sys/dev/usb          ehci.c ehcivar.h 
  Log:
  MFC:
  Fix a bug where an aborted command was removed from the
  queue but not from the hardware's cache of it, leading to the
  hardware DMAing into "freed" memory buffers.  (leading to crashes when
  a usb ransaction was timed, but but eventually happenned)
  
  Revision  Changes    Path
  1.5.4.13  +106 -43   src/sys/dev/usb/ehci.c
  1.1.6.4   +1 -0      src/sys/dev/usb/ehcivar.h