staging: comedi_pci: make comedi_pci_disable() safe to call

[karo-tx-linux.git] / drivers / staging / comedi / drivers / amplc_dio200.c

diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 82f80d563fbe308fa94a541f39c7c795b18d793c..d13a6dddcd09165bd2cdeb6287727d1a2d0b6362 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -2029,14 +2029,9 @@ static void dio200_detach(struct comedi_device *dev)
                        release_region(devpriv->io.u.iobase,
                                       thisboard->mainsize);
        } else if (is_pci_board(thisboard)) {
-               struct pci_dev *pcidev = comedi_to_pci_dev(dev);
-               if (pcidev) {
-                       if (devpriv->io.regtype != no_regtype) {
-                               if (devpriv->io.regtype == mmio_regtype)
-                                       iounmap(devpriv->io.u.membase);
-                               comedi_pci_disable(pcidev);
-                       }
-               }
+               if (devpriv->io.regtype == mmio_regtype)
+                       iounmap(devpriv->io.u.membase);
+               comedi_pci_disable(dev);
        }
 }