From: Srinivas Pandruvada Date: Fri, 22 Aug 2014 20:48:00 +0000 (+0100) Subject: iio: adc: ad_sigma_delta: Fix indio_dev->trig assignment X-Git-Tag: v4.14-rc1~6820^2~1^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9e5846be33277802c0c76e5c12825d0e4d27f639;p=platform%2Fkernel%2Flinux-rpi.git iio: adc: ad_sigma_delta: 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 Acked-by: Lars-Peter Clausen Signed-off-by: Jonathan Cameron Cc: Stable@vger.kernel.org --- diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index c55b81f..d10bd0c 100644 --- 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 iio_dev *indio_dev) goto error_free_irq; /* select default trigger */ - indio_dev->trig = sigma_delta->trig; + indio_dev->trig = iio_trigger_get(sigma_delta->trig); return 0;