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iio: hid_sensor_hub: 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>
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 9e5846be33
commit 55a6f9ddfd
1 changed files with 2 additions and 1 deletions
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3
drivers/iio/common/hid-sensors/hid-sensor-trigger.c
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@ -122,7 +122,8 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
dev_err(&indio_dev->dev, "Trigger Register Failed\n");
goto error_free_trig;
}
indio_dev->trig = attrb->trigger = trig;
attrb->trigger = trig;
indio_dev->trig = iio_trigger_get(trig);
return ret;