[PATCH 5.4 26/52] net: ethernet: mediatek: add missing of_node_put() in mtk_sgmii_init()

From: Greg Kroah-Hartman
Date: Tue May 10 2022 - 09:44:54 EST


From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

commit ff5265d45345d01fefc98fcb9ae891b59633c919 upstream.

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220428062543.64883-1-yangyingliang@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/mediatek/mtk_sgmii.c | 1 +
1 file changed, 1 insertion(+)

--- 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,
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]);
}