staging: comedi: ni_mio_common: remove forward declaration 12

Remove the need for the forward declaration of ni_cdio_cancel() by
indirectly calling it using the subdevice (*cancel).

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_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index e8409b0..a6edb94 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -194,8 +194,6 @@ static const struct comedi_lrange *const ni_range_lkup[] = {
        [ai_gain_6143] = &range_bipolar5
 };
 
-static int ni_cdio_cancel(struct comedi_device *dev,
-                         struct comedi_subdevice *s);
 static void handle_cdio_interrupt(struct comedi_device *dev);
 
 static int ni_serial_hw_readwrite8(struct comedi_device *dev,
@@ -3485,7 +3483,7 @@ static int ni_cdo_inttrig(struct comedi_device *dev,
        }
        if (i == timeout) {
                comedi_error(dev, "dma failed to fill cdo fifo!");
-               ni_cdio_cancel(dev, s);
+               s->cancel(dev, s);
                return -EIO;
        }
        ni_writel(CDO_Arm_Bit | CDO_Error_Interrupt_Enable_Set_Bit |