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>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 65f0fe0c2eaf..5c456db47c49 100644
--- 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;
 }
 
 /**