From 2e3d3cf5c7d6c69d6940054645bc2d3d575ab916 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 5 Sep 2012 18:36:21 -0700 Subject: [PATCH] staging: comedi: das1800: remove subdevice pointer math Convert the comedi_subdevice access from pointer math to array access. Signed-off-by: H Hartley Sweeten Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/das1800.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index 25e7e56..5aca8fb 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -656,7 +656,7 @@ static int das1800_cancel(struct comedi_device *dev, struct comedi_subdevice *s) /* the guts of the interrupt handler, that is shared with das1800_ai_poll */ static void das1800_ai_handler(struct comedi_device *dev) { - struct comedi_subdevice *s = dev->subdevices + 0; /* analog input subdevice */ + struct comedi_subdevice *s = &dev->subdevices[0]; struct comedi_async *async = s->async; struct comedi_cmd *cmd = &async->cmd; unsigned int status = inb(dev->iobase + DAS1800_STATUS); @@ -1653,7 +1653,7 @@ static int das1800_attach(struct comedi_device *dev, return retval; /* analog input subdevice */ - s = dev->subdevices + 0; + s = &dev->subdevices[0]; dev->read_subdev = s; s->type = COMEDI_SUBD_AI; s->subdev_flags = SDF_READABLE | SDF_DIFF | SDF_GROUND | SDF_CMD_READ; @@ -1670,7 +1670,7 @@ static int das1800_attach(struct comedi_device *dev, s->cancel = das1800_cancel; /* analog out */ - s = dev->subdevices + 1; + s = &dev->subdevices[1]; if (thisboard->ao_ability == 1) { s->type = COMEDI_SUBD_AO; s->subdev_flags = SDF_WRITABLE; @@ -1683,7 +1683,7 @@ static int das1800_attach(struct comedi_device *dev, } /* di */ - s = dev->subdevices + 2; + s = &dev->subdevices[2]; s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE; s->n_chan = 4; @@ -1692,7 +1692,7 @@ static int das1800_attach(struct comedi_device *dev, s->insn_bits = das1800_di_rbits; /* do */ - s = dev->subdevices + 3; + s = &dev->subdevices[3]; s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE | SDF_READABLE; s->n_chan = thisboard->do_n_chan; -- 2.7.4