From: Miaoqian Lin <linmq006@gmail.com>
To: "Ryder Lee" <ryder.lee@mediatek.com>,
"Jianjun Wang" <jianjun.wang@mediatek.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"Chuanjia Liu" <chuanjia.liu@mediatek.com>,
linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Cc: linmq006@gmail.com
Subject: [PATCH] PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup
Date: Wed, 9 Mar 2022 09:19:52 +0000 [thread overview]
Message-ID: <20220309091953.5630-1-linmq006@gmail.com> (raw)
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.
Fixes: 87e8657ba99c ("PCI: mediatek: Add new method to get shared pcie-cfg base address")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/pci/controller/pcie-mediatek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index ddfbd4aebdec..be8bd919cb88 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -1008,6 +1008,7 @@ static int mtk_pcie_subsys_powerup(struct mtk_pcie *pcie)
"mediatek,generic-pciecfg");
if (cfg_node) {
pcie->cfg = syscon_node_to_regmap(cfg_node);
+ of_node_put(cfg_node);
if (IS_ERR(pcie->cfg))
return PTR_ERR(pcie->cfg);
}
--
2.17.1
next reply other threads:[~2022-03-09 9:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-09 9:19 Miaoqian Lin [this message]
2022-03-10 6:56 ` [PATCH] PCI: mediatek: Fix refcount leak in mtk_pcie_subsys_powerup Miles Chen
2022-03-10 14:48 ` AngeloGioacchino Del Regno
2022-03-24 21:03 ` Rob Herring
2022-04-08 14:30 ` Lorenzo Pieralisi
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