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iio: gyro: itg3200: Fix indio_dev->trig assignment
authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Fri, 22 Aug 2014 20:48:00 +0000 (21:48 +0100)
committerJonathan Cameron <jic23@kernel.org>
Mon, 25 Aug 2014 20:49:00 +0000 (21:49 +0100)
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>
Cc: Stable@vger.kernel.org
drivers/iio/gyro/itg3200_buffer.c patch | blob | blame | history

diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c
index e3b3c5084070d808ca88939e3f13257472ba3e55..eef50e91f17cfe56930357e4404eafd11a7836d4 100644 (file)
--- a/drivers/iio/gyro/itg3200_buffer.c
+++ b/drivers/iio/gyro/itg3200_buffer.c
@@ -132,7 +132,7 @@ int itg3200_probe_trigger(struct iio_dev *indio_dev)
                goto error_free_irq;
 
        /* select default trigger */
-       indio_dev->trig = st->trig;
+       indio_dev->trig = iio_trigger_get(st->trig);
 
        return 0;