iio: st_sensors: Fix indio_dev->trig assignment
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> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
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@ -49,7 +49,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
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dev_err(&indio_dev->dev, "failed to register iio trigger.\n");
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goto iio_trigger_register_error;
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}
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indio_dev->trig = sdata->trig;
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indio_dev->trig = iio_trigger_get(sdata->trig);
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return 0;
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