linux-kernel - [PATCH] net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii

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Message-ID: <20220428062543.64883-1-yangyingliang@huawei.com>
Date:   Thu, 28 Apr 2022 14:25:43 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>
CC:     <nbd@....name>, <john@...ozen.org>, <kuba@...nel.org>,
        <davem@...emloft.net>
Subject: [PATCH] net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii_init()

The node pointer returned by of_parse_phandle() with refcount incremented,
so add of_node_put() after using it in mtk_sgmii_init().

Fixes: 9ffee4a8276c ("net: ethernet: mediatek: Extend SGMII related functions")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/net/ethernet/mediatek/mtk_sgmii.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
index 32d83421226a..5897940a418b 100644
--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
+++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
@@ -26,6 +26,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3)
 			break;
 
 		ss->regmap[i] = syscon_node_to_regmap(np);
+		of_node_put(np);
 		if (IS_ERR(ss->regmap[i]))
 			return PTR_ERR(ss->regmap[i]);
 	}
-- 
2.25.1