| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.14 139/238] iio: inv_mpu6050: Fix indio_dev->trig assignment | Date | Fri, 3 Oct 2014 14:30:54 -0700 |
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3.14-stable review patch. If anyone has any objections, please let me know.
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From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
commit b07e3b3850b2e1f09c19f54d3ed7210d9f529e2c 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> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c @@ -135,7 +135,7 @@ int inv_mpu6050_probe_trigger(struct iio ret = iio_trigger_register(st->trig); if (ret) goto error_free_irq; - indio_dev->trig = st->trig; + indio_dev->trig = iio_trigger_get(st->trig); return 0;
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