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iio: inv_mpu6050: 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
This commit is contained in:
Srinivas Pandruvada 2014-08-22 21:48:00 +01:00 committed by Jonathan Cameron
parent 0b4dce2ee6
commit b07e3b3850
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c
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@ -135,7 +135,7 @@ int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
ret = iio_trigger_register(st->trig); ret = iio_trigger_register(st->trig);
if (ret) if (ret)
goto error_free_irq; goto error_free_irq;
indio_dev->trig = st->trig; indio_dev->trig = iio_trigger_get(st->trig);
return 0; return 0;