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staging: comedi: ni_670x: remove subdevice pointer math 

Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:48:03 -07:00 committed by Greg Kroah-Hartman
parent 41e862f3ab
commit fc041c2010
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/comedi/drivers/ni_670x.c
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@ -247,7 +247,7 @@ static int ni_670x_attach(struct comedi_device *dev,
if (ret)
return ret;
s = dev->subdevices + 0;
s = &dev->subdevices[0];
/* analog output subdevice */
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_WRITABLE;
@ -271,7 +271,7 @@ static int ni_670x_attach(struct comedi_device *dev,
s->insn_write = &ni_670x_ao_winsn;
s->insn_read = &ni_670x_ao_rinsn;
s = dev->subdevices + 1;
s = &dev->subdevices[1];
/* digital i/o subdevice */
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@ -298,7 +298,7 @@ static void ni_670x_detach(struct comedi_device *dev)
struct comedi_subdevice *s;
if (dev->n_subdevices) {
s = dev->subdevices + 0;
s = &dev->subdevices[0];
if (s)
kfree(s->range_table_list);
}