[PATCH] drivers: tty: serial: Add missing of_node_put() in serial-tegra.c

[heliang]

In tegra_uart_init(), of_find_matching_node() will return a node
pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.

Signed-off-by: heliang <windhl at 126.com>
---
 drivers/tty/serial/serial-tegra.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index d942ab152f5a..5c4850a3762c 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1667,6 +1667,7 @@ static int __init tegra_uart_init(void)
 	node = of_find_matching_node(NULL, tegra_uart_of_match);
 	if (node)
 		match = of_match_node(tegra_uart_of_match, node);
+	of_node_put(node);
 	if (match)
 		cdata = match->data;
 	if (cdata)
-- 
2.25.1