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pinctrl: mediatek: Fix missing of_node_put() in mtk_pctrl_init

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[ Upstream commit dab4df9ca9 ]

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: a6df410d42 ("pinctrl: mediatek: Add Pinctrl/GPIO driver for mt8135.")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220308071155.21114-1-linmq006@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin
2022-03-08 07:11:54 +00:00
committed by Greg Kroah-Hartman
parent fddbfe43bf
commit 72ea0fefea
1 changed files with 2 additions and 0 deletions
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2
drivers/pinctrl/mediatek/pinctrl-mtk-common.c
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@@ -1039,6 +1039,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
node = of_parse_phandle(np, "mediatek,pctl-regmap", 0);
if (node) {
pctl->regmap1 = syscon_node_to_regmap(node);
of_node_put(node);
if (IS_ERR(pctl->regmap1))
return PTR_ERR(pctl->regmap1);
} else if (regmap) {
@@ -1052,6 +1053,7 @@ int mtk_pctrl_init(struct platform_device *pdev,
node = of_parse_phandle(np, "mediatek,pctl-regmap", 1);
if (node) {
pctl->regmap2 = syscon_node_to_regmap(node);
of_node_put(node);
if (IS_ERR(pctl->regmap2))
return PTR_ERR(pctl->regmap2);
}