staging: comedi: ni_mio_common: (*cancel) only works with async cmd support
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Mon, 14 Jul 2014 19:23:54 +0000 (12:23 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Jul 2014 20:24:43 +0000 (13:24 -0700)
commitdaabc8a63154adef43df5eddadb8d0371a5cc06d
tree485c54d6fdcea43526b93165cb73f0b5d1d68ec7
parentc5f26499998476edf599b599cd88163305dee5b2
staging: comedi: ni_mio_common: (*cancel) only works with async cmd support

The comedi subdevice (*cancel) function can only be called by the core if the
subdevice supports async commands. Move the initialization of this callback
to it is only set if async commands are enabled.

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/ni_mio_common.c