diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_670x.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c index bab964477118..46f373a0c0ca 100644 --- a/drivers/staging/comedi/drivers/ni_670x.c +++ b/drivers/staging/comedi/drivers/ni_670x.c @@ -301,8 +301,13 @@ static int ni_670x_attach(struct comedi_device *dev, static void ni_670x_detach(struct comedi_device *dev) { struct ni_670x_private *devpriv = dev->private; + struct comedi_subdevice *s; - kfree(dev->subdevices[0].range_table_list); + if (dev->n_subdevices) { + s = dev->subdevices + 0; + if (s) + kfree(s->range_table_list); + } if (devpriv && devpriv->mite) mite_unsetup(devpriv->mite); if (dev->irq) |