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

Also, cfc_handle_events() does nothing if no events are set so the check
can be removed.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/staging/comedi/drivers/me4000.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/me4000.c 
b/drivers/staging/comedi/drivers/me4000.c
index 6561b00..d24bd2a 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -1178,8 +1178,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id)
                outl(tmp, dev->iobase + ME4000_AI_CTRL_REG);
        }
 
-       if (s->async->events)
-               comedi_event(dev, s);
+       cfc_handle_events(dev, s);
 
        return IRQ_HANDLED;
 }
-- 
2.0.3

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