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-rw-r--r--drivers/staging/comedi/drivers/cb_pcimdda.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index b10831d3cf2..99a6160d372 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -257,7 +257,7 @@ static void cb_pcimdda_detach(struct comedi_device *dev)
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
if (dev->subdevices)
- subdev_8255_cleanup(dev, dev->subdevices + 2);
+ subdev_8255_cleanup(dev, dev->subdevices + 1);
if (pcidev) {
if (dev->iobase)
comedi_pci_disable(pcidev);