staging: comedi: ni_daq_dio24: cleanup dio24_detach
Simplify the call to subdev_8255_cleanup() to remove the need for a local variable. This driver only attaches to pcmcia devices so the test for thisboard != pcmcia_bustype will always fail. Remove the test and the unreachable release_region(). This driver also never does a request_irq() so remove the free_irq(). Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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