staging: comedi: ni_6527: 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/ni_6527.c

@@ -210,7 +210,7 @@ static irqreturn_t ni6527_interrupt(int irq, void *d)
 	if (status & NI6527_STATUS_EDGE) {
 		comedi_buf_put(s, 0);
 		s->async->events |= COMEDI_CB_EOS;
-		comedi_event(dev, s);
+		comedi_handle_events(dev, s);
 	}
 
 	writeb(NI6527_CLR_IRQS, dev->mmio + NI6527_CLR_REG);