diff options
| -rw-r--r-- | drivers/comedi/drivers/dt2811.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/comedi/drivers/dt2811.c b/drivers/comedi/drivers/dt2811.c index 0438b8c90e44..53cb17993ae7 100644 --- a/drivers/comedi/drivers/dt2811.c +++ b/drivers/comedi/drivers/dt2811.c @@ -567,7 +567,7 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) dt2811_reset(dev); /* IRQ's 2,3,5,7 are valid for async command support */ - if (it->options[1] <= 7 && (BIT(it->options[1]) & 0xac)) { + if (it->options[1] >= 0 && it->options[1] <= 7 && (BIT(it->options[1]) & 0xac)) { ret = request_irq(it->options[1], dt2811_interrupt, 0, dev->board_name, dev); if (ret == 0) |