drivers/tty: add missing of_node_put()

[ Upstream commit dac097c4546e4c5b16dd303a1e97c1d319c8ab3e ]

of_find_node_by_path() acquires a reference to the node
returned by it and that reference needs to be dropped by its caller.
This place is not doing this, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/tty/serial/suncore.c b/drivers/tty/serial/suncore.c
index 70a4ea4..9903765 100644 (file)
--- a/drivers/tty/serial/suncore.c
+++ b/drivers/tty/serial/suncore.c
@@ -112,6 +112,7 @@ void sunserial_console_termios(struct console *con, struct device_node *uart_dp)
                mode = of_get_property(dp, mode_prop, NULL);
                if (!mode)
                        mode = "9600,8,n,1,-";
+               of_node_put(dp);
        }
 
        cflag = CREAD | HUPCL | CLOCAL;