USB: ftdi_sio: two bug fixes and some clean up

[Johan Hovold]

Hi, 

These patches fix two bugs in fdti_sio and do a bit of clean up. The DMA to
stack bug was reported by Matti Aarnio here:

  http://thread.gmane.org/gmane.linux.usb.general/22845

The patches are against Linus' tree of today with all (4) ftdi patches from
Greg's tree applied.

Cheers,
Johan


 USB: ftdi_sio: use error code from usb stack in read_latency_timer
 USB: ftdi_sio: fix latency-timeout endianess bug
 USB: ftdi_sio: fix DMA buffers on stack
 USB: ftdi_sio: clean up modem status handling
 USB: ftdi_sio: remove unnecessary initialisations
 
 drivers/usb/serial/ftdi_sio.c |  137 ++++++++++++++++++-----------------------
 1 files changed, 61 insertions(+), 76 deletions(-)


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