[PATCH 03/44] coresight: platform: Fix refcounting for graph nodes

From: Mathieu Poirier
Date: Thu Sep 20 2018 - 15:18:29 EST


From: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

The coresight driver doesn't drop the references on the
remote endpoint/port nodes. Add the missing of_node_put()
calls.

Reported-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
drivers/hwtracing/coresight/of_coresight.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c
index 70205f3eae8e..28d3aef1660b 100644
--- a/drivers/hwtracing/coresight/of_coresight.c
+++ b/drivers/hwtracing/coresight/of_coresight.c
@@ -168,6 +168,11 @@ static int of_coresight_parse_endpoint(struct device *dev,
ret = 1;
} while (0);

+ if (rparent)
+ of_node_put(rparent);
+ if (rport)
+ of_node_put(rport);
+
return ret;
}

--
2.7.4