From: Miaoqian Lin linmq006@gmail.com
[ Upstream commit bf038503d5fe90189743124233fe7aeb0984e961 ]
of_get_child_by_name() returns a node pointer with refcount incremented, so we should use of_node_put() on it when we don't need it anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: 814cceebba9b ("PCI: mediatek-gen3: Add INTx support") Link: https://lore.kernel.org/r/20220601041259.56185-1-linmq006@gmail.com Signed-off-by: Miaoqian Lin linmq006@gmail.com Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Miles Chen miles.chen@mediatek.com Acked-by: Jianjun Wang jianjun.wang@mediatek.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pci/controller/pcie-mediatek-gen3.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c index 21207df680cc..36c8702439e9 100644 --- a/drivers/pci/controller/pcie-mediatek-gen3.c +++ b/drivers/pci/controller/pcie-mediatek-gen3.c @@ -600,7 +600,8 @@ static int mtk_pcie_init_irq_domains(struct mtk_pcie_port *port) &intx_domain_ops, port); if (!port->intx_domain) { dev_err(dev, "failed to create INTx IRQ domain\n"); - return -ENODEV; + ret = -ENODEV; + goto out_put_node; }
/* Setup MSI */ @@ -623,6 +624,7 @@ static int mtk_pcie_init_irq_domains(struct mtk_pcie_port *port) goto err_msi_domain; }
+ of_node_put(intc_node); return 0;
err_msi_domain: @@ -630,6 +632,8 @@ static int mtk_pcie_init_irq_domains(struct mtk_pcie_port *port) err_msi_bottom_domain: irq_domain_remove(port->intx_domain);
+out_put_node: + of_node_put(intc_node); return ret; }