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iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment

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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.pandruvada@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
This commit is contained in:
Srinivas Pandruvada 2014-08-22 21:48:00 +01:00 committed by Jonathan Cameron
parent 0668a4e4d2
commit 9e5846be33
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/ad_sigma_delta.c
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@ -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;