staging: comedi: rtd520: 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/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index c6a664f..0f026af 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -689,7 +689,7 @@
static irqreturn_t rtd_interrupt(int irq, void *d)
{
struct comedi_device *dev = d;
- struct comedi_subdevice *s = &dev->subdevices[0];
+ struct comedi_subdevice *s = dev->read_subdev;
struct rtd_private *devpriv = dev->private;
u32 overrun;
u16 status;