netdev - [PATCH] net/dsa/hirschmann: Add missing of_node_get() in hellcreek_led

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Date:   Wed, 22 Jun 2022 12:06:21 +0800
From:   Liang He <windhl@....com>
To:     andrew@...n.ch, kurt@...utronix.de, vivien.didelot@...il.com,
        f.fainelli@...il.com, olteanv@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, windhl@....com
Subject: [PATCH] net/dsa/hirschmann: Add missing of_node_get() in hellcreek_led_setup()

of_find_node_by_name() will decrease the refcount of its first arg and
we need a of_node_get() to keep refcount balance.

Signed-off-by: Liang He <windhl@....com>
---
 drivers/net/dsa/hirschmann/hellcreek_ptp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/dsa/hirschmann/hellcreek_ptp.c b/drivers/net/dsa/hirschmann/hellcreek_ptp.c
index 2572c6087bb5..b28baab6d56a 100644
--- a/drivers/net/dsa/hirschmann/hellcreek_ptp.c
+++ b/drivers/net/dsa/hirschmann/hellcreek_ptp.c
@@ -300,6 +300,7 @@ static int hellcreek_led_setup(struct hellcreek *hellcreek)
 	const char *label, *state;
 	int ret = -EINVAL;
 
+	of_node_get(hellcreek->dev->of_node);
 	leds = of_find_node_by_name(hellcreek->dev->of_node, "leds");
 	if (!leds) {
 		dev_err(hellcreek->dev, "No LEDs specified in device tree!\n");
-- 
2.25.1