PCI: dra7xx: Fix platform_get_irq() error handling

When platform_get_irq() fails we should propagate the real error value
instead of always returning -EINVAL.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 34d8689..d72b557 100644 (file)
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -435,7 +435,7 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
        pp->irq = platform_get_irq(pdev, 1);
        if (pp->irq < 0) {
                dev_err(dev, "missing IRQ resource\n");
-               return -EINVAL;
+               return pp->irq;
        }
 
        ret = devm_request_irq(dev, pp->irq, dra7xx_pcie_msi_irq_handler,