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

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

From: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>

commit 9e5846be33277802c0c76e5c12825d0e4d27f639 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 <srinivas.pandruv...@linux.intel.com>
Acked-by: Lars-Peter Clausen <l...@metafoo.de>
Signed-off-by: Jonathan Cameron <ji...@kernel.org>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
 drivers/iio/adc/ad_sigma_delta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index 9a4e0e3..eb799a4 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -472,7 +472,7 @@ static int ad_sd_probe_trigger(struct iio_dev *indio_dev)
                goto error_free_irq;
 
        /* select default trigger */
-       indio_dev->trig = sigma_delta->trig;
+       indio_dev->trig = iio_trigger_get(sigma_delta->trig);
 
        return 0;
 
-- 
1.9.1

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