staging: comedi: dt282x: use cfc_handle_events()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Sat, 8 Mar 2014 00:31:33 +0000 (17:31 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 17 Mar 2014 20:55:54 +0000 (13:55 -0700)
commitf21c74fa4cfe675f5e81b7d604212882799f4e6d
treef719f36e740f776e38a8c45c21ffb7449df5b2fd
parentc9695093017d71a0571df7140feacfbf5ef4cdd4
staging: comedi: dt282x: use cfc_handle_events()

Use the comedi_fc helper function to automatically call the subdevice
(*cancel) function when needed and call comedi_event().

This also fixes two bugs.
  1) the analog input command is canceled due to a buffer overflow
     without sending an event (@@ -341,7 +340,7 @@).
  2) an analog output error causes the command to cancel but the event
     is reported to the analog input subdevice (@@ -449,15 +447,13 @@).

In the Kconfig, COMEDI_DT282X already selects COMEDI_FC.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/dt282x.c