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 <srinivas.pandruvada@linux.intel.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org

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 <srinivas.pandruvada@linux.intel.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
Srinivas Pandruvada · Jonathan Cameron · Eric Lee · Eric Lee · Eric Lee · Eric Lee
1 parent 0668a4e4d2
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
drivers/iio/adc/ad_sigma_delta.c
@@ -472,7 +472,7 @@
 		goto error_free_irq;
  
 	/* select default trigger */
-	indio_dev->trig = sigma_delta->trig;
+	indio_dev->trig = iio_trigger_get(sigma_delta->trig);
  
 	return 0;
...	...	@@ -472,7 +472,7 @@
472	472	goto error_free_irq;
473	473
474	474	/* select default trigger */
475		- indio_dev->trig = sigma_delta->trig;
	475	+ indio_dev->trig = iio_trigger_get(sigma_delta->trig);
476	476
477	477	return 0;
478	478