staging: comedi: dmm32at: use comedi_handle_events()

Use comedi_handle_events() to automatically (*cancel) the async command
for an end-of-acquisition or if an error/overflow occurs.
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>

drivers/staging/comedi/drivers/dmm32at.c

@@ -514,8 +514,7 @@ static irqreturn_t dmm32at_isr(int irq, void *d)
 			}
 
 		}
-		/* flush the buffer */
-		comedi_event(dev, s);
+		comedi_handle_events(dev, s);
 	}
 
 	/* reset the interrupt */