diff options
-rw-r--r-- | drivers/staging/comedi/drivers/amplc_dio200_pci.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_dio200_pci.c b/drivers/staging/comedi/drivers/amplc_dio200_pci.c index 3cec0e020adb..1954c1bd23db 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200_pci.c +++ b/drivers/staging/comedi/drivers/amplc_dio200_pci.c @@ -414,13 +414,10 @@ static int dio200_pci_auto_attach(struct comedi_device *dev, static void dio200_pci_detach(struct comedi_device *dev) { - const struct dio200_board *thisboard = comedi_board(dev); struct dio200_private *devpriv = dev->private; - if (!thisboard || !devpriv) - return; amplc_dio200_common_detach(dev); - if (devpriv->io.regtype == mmio_regtype) + if (devpriv && devpriv->io.regtype == mmio_regtype) iounmap(devpriv->io.u.membase); comedi_pci_disable(dev); } |