PCI: rcar: Check platform_get_irq() return code

[firefly-linux-kernel-4.4.55.git] / drivers / pci / host / pci-rcar-gen2.c

diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index ceec147baec3560abf5cc07198ab3cc6b1d32d43..201e4a450340540ac8a6a606dd9515ee3e454df2 100644 (file)
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -308,6 +308,11 @@ static int __init rcar_pci_probe(struct platform_device *pdev)
        priv->reg = reg;
        priv->dev = &pdev->dev;
 
+       if (priv->irq < 0) {
+               dev_err(&pdev->dev, "no valid irq found\n");
+               return priv->irq;
+       }
+
        return rcar_pci_add_controller(priv);
 }