The check for dio_num_asics is used to determine if there is more than 1 irq.
If it is false then irq[1] is past the end of the array.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
--- orig/drivers/staging/comedi/drivers/pcmmio.c 2009-12-28 08:44:37.000000000 +0200
+++ devel/drivers/staging/comedi/drivers/pcmmio.c 2009-12-28 08:45:23.000000000 +0200
@@ -550,7 +550,7 @@ static int pcmmio_attach(struct comedi_d
if (irq[0]) {
printk("irq: %u ", irq[0]);
- if (irq[1] && thisboard->dio_num_asics == 2)
+ if (thisboard->dio_num_asics == 2 && irq[1])
printk("second ASIC irq: %u ", irq[1]);
} else {
printk("(IRQ mode disabled) ");
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