staging: comedi: quatech_daqp_cs: 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/quatech_daqp_cs.c b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
index a029147..e95a4eb 100644 (file)
--- a/drivers/staging/comedi/drivers/quatech_daqp_cs.c
+++ b/drivers/staging/comedi/drivers/quatech_daqp_cs.c
@@ -878,7 +878,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        printk(KERN_INFO "comedi%d: attaching daqp%d (io 0x%04lx)\n",
               dev->minor, it->options[0], dev->iobase);
 
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        dev->read_subdev = s;
        s->private = local;
        s->type = COMEDI_SUBD_AI;
@@ -892,7 +892,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->do_cmd = daqp_ai_cmd;
        s->cancel = daqp_ai_cancel;
 
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        dev->write_subdev = s;
        s->private = local;
        s->type = COMEDI_SUBD_AO;
@@ -903,7 +903,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->range_table = &range_daqp_ao;
        s->insn_write = daqp_ao_insn_write;
 
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        s->private = local;
        s->type = COMEDI_SUBD_DI;
        s->subdev_flags = SDF_READABLE;
@@ -911,7 +911,7 @@ static int daqp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->len_chanlist = 1;
        s->insn_read = daqp_di_insn_read;
 
-       s = dev->subdevices + 3;
+       s = &dev->subdevices[3];
        s->private = local;
        s->type = COMEDI_SUBD_DO;
        s->subdev_flags = SDF_WRITEABLE;