PCI: xilinx: 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>

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 65f0fe0..5c456db 100644 (file)
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -660,7 +660,6 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
        struct xilinx_pcie_port *port;
        struct device *dev = &pdev->dev;
        struct pci_bus *bus;
-
        int err;
        resource_size_t iobase = 0;
        LIST_HEAD(res);
@@ -696,8 +695,10 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
        }
        bus = pci_create_root_bus(&pdev->dev, 0,
                                  &xilinx_pcie_ops, port, &res);
-       if (!bus)
-               return -ENOMEM;
+       if (!bus) {
+               err = -ENOMEM;
+               goto error;
+       }
 
 #ifdef CONFIG_PCI_MSI
        xilinx_pcie_msi_chip.dev = port->dev;
@@ -712,6 +713,10 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, port);
 
        return 0;
+
+error:
+       pci_free_resource_list(&res);
+       return err;
 }
 
 /**