Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/comedi/drivers/ni_at_ao.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c 
b/drivers/staging/comedi/drivers/ni_at_ao.c
index 62c8c44..93938ce 100644
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -358,7 +358,7 @@ static int atao_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        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;
@@ -371,7 +371,7 @@ static int atao_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        s->insn_write = &atao_ao_winsn;
        s->insn_read = &atao_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;
@@ -381,7 +381,7 @@ static int atao_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        s->insn_bits = atao_dio_insn_bits;
        s->insn_config = atao_dio_insn_config;
 
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        /* caldac subdevice */
        s->type = COMEDI_SUBD_CALIB;
        s->subdev_flags = SDF_WRITABLE | SDF_INTERNAL;
@@ -390,7 +390,7 @@ static int atao_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        s->insn_read = atao_calib_insn_read;
        s->insn_write = atao_calib_insn_write;
 
-       s = dev->subdevices + 3;
+       s = &dev->subdevices[3];
        /* eeprom subdevice */
        /* s->type=COMEDI_SUBD_EEPROM; */
        s->type = COMEDI_SUBD_UNUSED;
-- 
1.7.11

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