staging: comedi_pci: make comedi_pci_disable() safe to call

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

diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c
index 7d456ad2aad42e2218c05efb7680edd0d8c211b3..8a8677f2525ebea3bce8ab5ba7fee5fca8c3ec73 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -277,14 +277,9 @@ static int cb_pcimdas_auto_attach(struct comedi_device *dev,
 
 static void cb_pcimdas_detach(struct comedi_device *dev)
 {
-       struct pci_dev *pcidev = comedi_to_pci_dev(dev);
-
        if (dev->irq)
                free_irq(dev->irq, dev);
-       if (pcidev) {
-               if (dev->iobase)
-                       comedi_pci_disable(pcidev);
-       }
+       comedi_pci_disable(dev);
 }
 
 static struct comedi_driver cb_pcimdas_driver = {