| From | Kamal Mostafa <> | Subject | [PATCH 3.13 076/163] iio: inv_mpu6050: Fix indio_dev->trig assignment | Date | Thu, 9 Oct 2014 14:01:41 -0700 |
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3.13.11.9 -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: Kamal Mostafa <kamal@canonical.com> --- drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c index 03b9372..926fcce 100644 --- 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_dev *indio_dev) 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; -- 1.9.1
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