The comedi_subdevice in the interrupt handler is the dev->read_subdev that was initialized during the attach. Use that instead of accessing the dev->subdevices[] array directly. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/ni_6527.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c index 45a6e37..2ad9a80 100644 --- a/drivers/staging/comedi/drivers/ni_6527.c +++ b/drivers/staging/comedi/drivers/ni_6527.c @@ -205,7 +205,7 @@ static irqreturn_t ni6527_interrupt(int irq, void *d) { struct comedi_device *dev = d; struct ni6527_private *devpriv = dev->private; - struct comedi_subdevice *s = &dev->subdevices[2]; + struct comedi_subdevice *s = dev->read_subdev; unsigned int status; status = readb(devpriv->mite->daq_io_addr + Change_Status); -- 1.8.3.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel