[media] xilinx-vipp: remove unnecessary of_node_put

of_graph_get_next_endpoint(node, ep) decrements refcount on
ep. When next==NULL we break and refcount on ep is decremented
again.

Signed-off-by: Franck Jullien <franck.jullien@odyssee-systemes.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/xilinx/xilinx-vipp.c

@@ -351,19 +351,15 @@ static int xvip_graph_parse_one(struct xvip_composite_device *xdev,
 	struct xvip_graph_entity *entity;
 	struct device_node *remote;
 	struct device_node *ep = NULL;
-	struct device_node *next;
 	int ret = 0;
 
 	dev_dbg(xdev->dev, "parsing node %s\n", node->full_name);
 
 	while (1) {
-		next = of_graph_get_next_endpoint(node, ep);
-		if (next == NULL)
+		ep = of_graph_get_next_endpoint(node, ep);
+		if (ep == NULL)
 			break;
 
-		of_node_put(ep);
-		ep = next;
-
 		dev_dbg(xdev->dev, "handling endpoint %s\n", ep->full_name);
 
 		remote = of_graph_get_remote_port_parent(ep);