X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=arch%2Farm%2Fmach-footbridge%2Fcats-pci.c;h=ae3e1c8c75832419fd070d6f53a3c16db5a6c5c7;hb=5296b56d1b2000b60fb966be161c1f8fb629786b;hp=35eb232a649a2b11aae684fdc169e3cf69fcefd2;hpb=e8b495fe09bc793ae26774e7b2667f7f658d56e2;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c
index 35eb232a649..ae3e1c8c758 100644
--- 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;