[bug report] PCI: xilinx-cpm: Add Versal CPM Root Port driver

[bug report] PCI: xilinx-cpm: Add Versal CPM Root Port driver

[dan.carpenter]

Hello Bharat Kumar Gogada,

The patch 0189e6fb2c46: "PCI: xilinx-cpm: Add Versal CPM Root Port
driver" from Jun 16, 2020, leads to the following static checker
warning:

	drivers/pci/controller/pcie-xilinx-cpm.c:557 xilinx_cpm_pcie_probe()
	error: uninitialized symbol 'bus_range'.

drivers/pci/controller/pcie-xilinx-cpm.c
   537  static int xilinx_cpm_pcie_probe(struct platform_device *pdev)
   538  {
   539          struct xilinx_cpm_pcie_port *port;
   540          struct device *dev = &pdev->dev;
   541          struct pci_host_bridge *bridge;
   542          struct resource *bus_range;
                ^^^^^^^^^^^^^^^^^^^^^^^^^^

   543          int err;
   544  
   545          bridge = devm_pci_alloc_host_bridge(dev, sizeof(*port));
   546          if (!bridge)
   547                  return -ENODEV;
   548  
   549          port = pci_host_bridge_priv(bridge);
   550  
   551          port->dev = dev;
   552  
   553          err = xilinx_cpm_pcie_init_irq_domain(port);
   554          if (err)
   555                  return err;
   556  
   557          err = xilinx_cpm_pcie_parse_dt(port, bus_range);
                                                     ^^^^^^^^^
Never initialized.

   558          if (err) {
   559                  dev_err(dev, "Parsing DT failed\n");
   560                  goto err_parse_dt;
   561          }
   562  
   563          xilinx_cpm_pcie_init_port(port);
   564  
   565          err = xilinx_cpm_setup_irq(port);
   566          if (err) {
   567                  dev_err(dev, "Failed to set up interrupts\n");
   568                  goto err_setup_irq;
   569          }
   570  
   571          bridge->dev.parent = dev;

regards,
dan carpenter