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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-03-09 10:19:52 +0100 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2022-04-08 16:29:44 +0200 |
| commit | 214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4 (patch) | |
| tree | 052f638ed310d5512ba473c012c3bc5b277dada4 /drivers/pci/controller | |
| parent | Linux 5.18-rc1 (diff) | |
| download | linux-214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4.tar.xz linux-214e0d8fe4a813ae6ffd62bc2dfe7544c20914f4.zip | |
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: 87e8657ba99c ("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>
Diffstat (limited to 'drivers/pci/controller')
| -rw-r--r-- | drivers/pci/controller/pcie-mediatek.c | 1 |
1 files changed, 1 insertions, 0 deletions
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); } |