The current code does not check the return from platform_get_irq()
so add an error check and return if this call does fail.
Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Cc: Valentine Barshak <valentine.barshak@xxxxxxxxxxxxxxxxxx>
Cc: Simon Horman <horms@xxxxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: linux-sh@xxxxxxxxxxxxxxx
---
drivers/pci/host/pci-rcar-gen2.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index ea65bac..674f7fe 100644
--- 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);
}
--
1.8.5.2
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