Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / arch / arm / mach-footbridge / cats-pci.c

diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c
index 35eb232..ae3e1c8 100644 (file)
--- a/arch/arm/mach-footbridge/cats-pci.c
+++ b/arch/arm/mach-footbridge/cats-pci.c
@@ -18,6 +18,9 @@ static int irqmap_cats[] __initdata = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 };
 
 static int __init cats_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
+       if (dev->irq >= 255)
+               return -1;      /* not a valid interrupt. */
+
        if (dev->irq >= 128)
                return dev->irq & 0x1f;