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Message-Id: <1412888588-26755-75-git-send-email-kamal@canonical.com>
Date: Thu, 9 Oct 2014 14:01:39 -0700
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Jonathan Cameron <jic23@...nel.org>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.13 074/163] iio: st_sensors: Fix indio_dev->trig assignment
3.13.11.9 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
commit f0e84acd7056e6d7ade551c6439531606ae30a46 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: Kamal Mostafa <kamal@...onical.com>
---
drivers/iio/common/st_sensors/st_sensors_trigger.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/common/st_sensors/st_sensors_trigger.c b/drivers/iio/common/st_sensors/st_sensors_trigger.c
index 8fc3a97..8d8ca6f 100644
--- a/drivers/iio/common/st_sensors/st_sensors_trigger.c
+++ b/drivers/iio/common/st_sensors/st_sensors_trigger.c
@@ -49,7 +49,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev,
dev_err(&indio_dev->dev, "failed to register iio trigger.\n");
goto iio_trigger_register_error;
}
- indio_dev->trig = sdata->trig;
+ indio_dev->trig = iio_trigger_get(sdata->trig);
return 0;
--
1.9.1
--
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