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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Liang He <windhl@126.com>,
        Felix Fietkau <nbd@nbd.name>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 085/287] mediatek: mt76: mac80211: Fix missing of_node_put() in mt76_led_init()
Date:   Tue, 23 Aug 2022 10:24:14 +0200
Message-Id: <20220823080103.154616692@linuxfoundation.org>
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From: Liang He <windhl@126.com>

[ Upstream commit 0a14c1d0113f121151edf34333cdf212dd209190 ]

We should use of_node_put() for the reference 'np' returned by
of_get_child_by_name() which will increase the refcount.

Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets")
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mac80211.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 1b5abd4816ed..203b888f38d8 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -114,6 +114,7 @@ static int mt76_led_init(struct mt76_dev *dev)
 		if (!of_property_read_u32(np, "led-sources", &led_pin))
 			dev->led_pin = led_pin;
 		dev->led_al = of_property_read_bool(np, "led-active-low");
+		of_node_put(np);
 	}
 
 	return devm_led_classdev_register(dev->dev, &dev->led_cdev);
-- 
2.35.1