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PCI: xgene: Free bridge resource list on failure 

of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows.  If we fail after allocating that list, free it before we
return error.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-05-31 11:07:30 -05:00
parent c3245a5664
commit 11659a1d54
1 changed files with 9 additions and 3 deletions
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12
drivers/pci/host/pci-xgene.c
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@ -542,12 +542,14 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
ret = xgene_pcie_setup(port, &res, iobase);
if (ret)
return ret;
goto error;
bus = pci_create_root_bus(&pdev->dev, 0,
&xgene_pcie_ops, port, &res);
if (!bus)
return -ENOMEM;
if (!bus) {
ret = -ENOMEM;
goto error;
}
pci_scan_child_bus(bus);
pci_assign_unassigned_bus_resources(bus);
@ -555,6 +557,10 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev)
platform_set_drvdata(pdev, port);
return 0;
error:
pci_free_resource_list(&res);
return ret;
}
static const struct of_device_id xgene_pcie_match_table[] = {