3.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Srinivas Pandruvada <[email protected]>

commit 0b4dce2ee694a991ef38203ec5ff91a738518cb3 upstream.

This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.

Signed-off-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/iio/gyro/itg3200_buffer.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/gyro/itg3200_buffer.c
+++ b/drivers/iio/gyro/itg3200_buffer.c
@@ -132,7 +132,7 @@ int itg3200_probe_trigger(struct iio_dev
                goto error_free_irq;
 
        /* select default trigger */
-       indio_dev->trig = st->trig;
+       indio_dev->trig = iio_trigger_get(st->trig);
 
        return 0;
 


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