staging: comedi: usbduxsigma: cleanup the (*cancel) functions

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The (*cancel) functions can only be called by the comedi core it the
(*auto_attach) completed successfully. That function sets the comedi_device
'private' variable before initializing the callbacks so the sanity checks
are unnecessary. Remove them.

Also, rename the 'this_usbduxsub' local variable to 'devpriv' as this is
more common in comedi drivers.

Remove the unnecessary comments.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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H Hartley Sweeten 2013-05-23 12:42:01 -07:00 • committed by Greg Kroah-Hartman

parent 00fbd28514

commit eac456c823

1 changed files with 12 additions and 31 deletions

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drivers/staging/comedi/drivers/usbduxsigma.c

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