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PCI: tegra: Fix OF node reference leak 

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>
This commit is contained in:
Christophe JAILLET 2021-05-04 19:17:42 +02:00 committed by Lorenzo Pieralisi
parent 6310a1526a
commit eff21f5da3
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pci/controller/pci-tegra.c
View File

@ -2188,13 +2188,15 @@ 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;
}
/*
@ -2212,7 +2214,8 @@ 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;
}
}