staging: comedi: comedi_test: use comedi_handle_events()
Use comedi_handle_events() to automatically (*cancel) the async command for an end-of-acquisition or if an error/overflow occurs. For aesthetics, add a local variable for the comedi_subdevice pointer. Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: NIan Abbott <abbotti@mev.co.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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