staging: comedi: ni_atmio16d: use dev->read_subdev

Use the dev->read_subdev that was setup in the device attach instead
of accessing the dev->subdevices array directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/ni_atmio16d.c b/drivers/staging/comedi/drivers/ni_atmio16d.c
index 834c9e1e6058a46b4b55a9bd7f0efbb05266caa3..3a92fe52b9ac690b5e95de1d91e5c3d755bd0b17 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_atmio16d.c
+++ b/drivers/staging/comedi/drivers/ni_atmio16d.c
@@ -229,7 +229,7 @@ static void reset_atmio16d(struct comedi_device *dev)
 static irqreturn_t atmio16d_interrupt(int irq, void *d)
 {
        struct comedi_device *dev = d;
-       struct comedi_subdevice *s = &dev->subdevices[0];
+       struct comedi_subdevice *s = dev->read_subdev;
 
        comedi_buf_put(s->async, inw(dev->iobase + AD_FIFO_REG));