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Date: Fri, 3 Oct 2014 14:30:08 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, Jonathan Cameron <jic23@...nel.org> Subject: [PATCH 3.16 222/357] iio: hid_sensor_hub: Fix indio_dev->trig assignment 3.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> commit 55a6f9ddfdea0d2d343cd1b39baf8aa752664b6e 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@...ux.intel.com> Signed-off-by: Jonathan Cameron <jic23@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/iio/common/hid-sensors/hid-sensor-trigger.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -122,7 +122,8 @@ int hid_sensor_setup_trigger(struct iio_ 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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