[PATCH] v4l: xilinx-vipp: Fix refcount leak in xvip_graph_dma_init

[Miaoqian Lin]

of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: df3305156f98 ("[media] v4l: xilinx: Add Xilinx Video IP core")
Signed-off-by: Miaoqian Lin <linmq006 at gmail.com>
---
 drivers/media/platform/xilinx/xilinx-vipp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c
index f34f8b077e03..415579b63737 100644
--- a/drivers/media/platform/xilinx/xilinx-vipp.c
+++ b/drivers/media/platform/xilinx/xilinx-vipp.c
@@ -483,10 +483,12 @@ static int xvip_graph_dma_init(struct xvip_composite_device *xdev)
 		ret = xvip_graph_dma_init_one(xdev, port);
 		if (ret < 0) {
 			of_node_put(port);
+			of_node_put(ports);
 			return ret;
 		}
 	}
 
+	of_node_put(ports);
 	return 0;
 }
 
-- 
2.25.1