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PCI: tegra: Fix OF node reference leak

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[ Upstream commit eff21f5da3 ]

Commit 9e38e690ac ("PCI: tegra: Fix OF node reference leak") has fixed
some node reference leaks in this function but missed some of them.

In fact, having 'port' referenced in the 'rp' structure is not enough to
prevent the leak, until 'rp' is actually added in the 'pcie->ports' list.

Add the missing 'goto err_node_put' accordingly.

Link: https://lore.kernel.org/r/55b11e9a7fa2987fbc0869d68ae59888954d65e2.1620148539.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET
2021-05-04 19:17:42 +02:00
committed by Greg Kroah-Hartman
parent d5c5d1b141
commit aa638669c8
1 changed files with 8 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pci/controller/pci-tegra.c
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@@ -2160,13 +2160,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
rp->np = port;
rp->base = devm_pci_remap_cfg_resource(dev, &rp->regs);
if (IS_ERR(rp->base))
return PTR_ERR(rp->base);
if (IS_ERR(rp->base)) {
err = PTR_ERR(rp->base);
goto err_node_put;
}
label = devm_kasprintf(dev, GFP_KERNEL, "pex-reset-%u", index);
if (!label) {
dev_err(dev, "failed to create reset GPIO label\n");
return -ENOMEM;
err = -ENOMEM;
goto err_node_put;
}
/*
@@ -2184,7 +2186,8 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
} else {
dev_err(dev, "failed to get reset GPIO: %ld\n",
PTR_ERR(rp->reset_gpio));
return PTR_ERR(rp->reset_gpio);
err = PTR_ERR(rp->reset_gpio);
goto err_node_put;
}
}