* [PATCH] PCI: brcmstb: Fix refcount leak in brcm_pcie_probe
@ 2022-06-02 12:50 Miaoqian Lin
0 siblings, 0 replies; only message in thread
From: Miaoqian Lin @ 2022-06-02 12:50 UTC (permalink / raw)
To: Nicolas Saenz Julienne, Broadcom internal kernel review list,
Jim Quinlan, Florian Fainelli, Lorenzo Pieralisi, Rob Herring,
Krzysztof Wilczyński, Bjorn Helgaas, linux-rpi-kernel,
linux-arm-kernel, linux-pci, linux-kernel
Cc: linmq006
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: format:40ca1bf580ef ("PCI: brcmstb: Add MSI support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/pci/controller/pcie-brcmstb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 375c0c40bbf8..e3b673441a11 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1597,8 +1597,10 @@ static int brcm_pcie_probe(struct platform_device *pdev)
ret = brcm_pcie_enable_msi(pcie);
if (ret) {
dev_err(pcie->dev, "probe of internal MSI failed");
+ of_node_put(msi_np);
goto fail;
}
+ of_node_put(msi_np);
}
bridge->ops = pcie->type == BCM7425 ? &brcm_pcie_ops32 : &brcm_pcie_ops;
--
2.25.1
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