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iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment
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.pandruvada@linux.intel.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -477,7 +477,7 @@ static int ad_sd_probe_trigger(struct iio_dev *indio_dev)
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goto error_free_irq;
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/* select default trigger */
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indio_dev->trig = sigma_delta->trig;
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indio_dev->trig = iio_trigger_get(sigma_delta->trig);
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return 0;
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