| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.16 227/357] iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment | Date | Fri, 3 Oct 2014 14:30:13 -0700 |
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3.16-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 9e5846be33277802c0c76e5c12825d0e4d27f639 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> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/iio/adc/ad_sigma_delta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -472,7 +472,7 @@ static int ad_sd_probe_trigger(struct ii goto error_free_irq; /* select default trigger */ - indio_dev->trig = sigma_delta->trig; + indio_dev->trig = iio_trigger_get(sigma_delta->trig); return 0;
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