staging: comedi: dt9812: 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/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 40821c7303ea5618327bed518f2882776e1a9417..bc6f409b7e199e39e204cd42b819a805453ac440 100644 (file)
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -1041,7 +1041,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                return ret;
 
        /* digital input subdevice */
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        s->type = COMEDI_SUBD_DI;
        s->subdev_flags = SDF_READABLE;
        s->n_chan = 0;
@@ -1050,7 +1050,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->insn_read = &dt9812_di_rinsn;
 
        /* digital output subdevice */
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        s->type = COMEDI_SUBD_DO;
        s->subdev_flags = SDF_WRITEABLE;
        s->n_chan = 0;
@@ -1059,7 +1059,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->insn_write = &dt9812_do_winsn;
 
        /* analog input subdevice */
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        s->type = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_GROUND;
        s->n_chan = 0;
@@ -1068,7 +1068,7 @@ static int dt9812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->insn_read = &dt9812_ai_rinsn;
 
        /* analog output subdevice */
-       s = dev->subdevices + 3;
+       s = &dev->subdevices[3];
        s->type = COMEDI_SUBD_AO;
        s->subdev_flags = SDF_WRITEABLE;
        s->n_chan = 0;