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>

diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index 9c57618f2c5b7f854d7364474d2afc2ca2f7630f..cdb36b8f041e58db39efc392742333f4d8187940 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -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);
        }