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Message-ID: <20250120130119.671119-10-svarbanov@suse.de>
Date: Mon, 20 Jan 2025 15:01:17 +0200
From: Stanimir Varbanov <svarbanov@...e.de>
To: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-pci@...r.kernel.org,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Jim Quinlan <jim2101024@...il.com>,
	Nicolas Saenz Julienne <nsaenz@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	kw@...ux.com,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Andrea della Porta <andrea.porta@...e.com>,
	Phil Elwell <phil@...pberrypi.com>,
	Jonathan Bell <jonathan@...pberrypi.com>,
	Dave Stevenson <dave.stevenson@...pberrypi.com>,
	Stanimir Varbanov <svarbanov@...e.de>,
	stable@...r.kernel.org
Subject: [PATCH v5 -next 09/11] PCI: brcmstb: Fix for missing of_node_put

A call to of_parse_phandle() increments refcount, of_node_put must be
called when done the work on it. Fix missing of_node_put() on the
msi_np device node by using scope based of_node_put() cleanups.

Cc: stable@...r.kernel.org # v5.10+
Fixes: 40ca1bf580ef ("PCI: brcmstb: Add MSI support")
Signed-off-by: Stanimir Varbanov <svarbanov@...e.de>
---
v4 -> v5:
 - New patch in the series.

 drivers/pci/controller/pcie-brcmstb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 744fe1a4cf9c..546056f7f0d3 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1844,7 +1844,8 @@ static struct pci_ops brcm7425_pcie_ops = {
 
 static int brcm_pcie_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node, *msi_np;
+	struct device_node *msi_np __free(device_node) = NULL;
+	struct device_node *np = pdev->dev.of_node;
 	struct pci_host_bridge *bridge;
 	const struct pcie_cfg_data *data;
 	struct brcm_pcie *pcie;
-- 
2.47.0