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PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup()
The of_find_compatible_node() function returns a node pointer with
refcount incremented, We should use of_node_put() on it when done
Add the missing of_node_put() to release the refcount.
Link: https://lore.kernel.org/r/20220309091953.5630-1-linmq006@gmail.com
Fixes: 87e8657ba9
("PCI: mediatek: Add new method to get shared pcie-cfg base address")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
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@ -1008,6 +1008,7 @@ static int mtk_pcie_subsys_powerup(struct mtk_pcie *pcie)
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"mediatek,generic-pciecfg");
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if (cfg_node) {
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pcie->cfg = syscon_node_to_regmap(cfg_node);
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of_node_put(cfg_node);
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if (IS_ERR(pcie->cfg))
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return PTR_ERR(pcie->cfg);
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}
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