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

Julian Elischer julian at
Fri Jan 7 11:23:08 PST 2005

julian      2005-01-07 19:23:08 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_4_11)
    sys/dev/usb          ehci.c ehcivar.h 
  MFC: ehci.c
  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)
  > along with an associated change to ehcivar.h
  Approved by: re (ken)
  Revision      Changes    Path  +107 -45   src/sys/dev/usb/ehci.c   +1 -0      src/sys/dev/usb/ehcivar.h

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