When detaching the device in pc236_detach() mirror the bus type checks
performed by pc236_attach(). The existing tests are safe but rely on
dev->iobase being 0 when comedi_to_pci_dev(dev) is NULL.
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
drivers/staging/comedi/drivers/amplc_pc236.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 3d7b001..5fa04f9 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -572,8 +572,8 @@ static int __devinit pc236_attach_pci(struct comedi_device *dev,
static void pc236_detach(struct comedi_device *dev)
{
+ const struct pc236_board *thisboard = comedi_board(dev);
struct pc236_private *devpriv = dev->private;
- struct pci_dev *pcidev = comedi_to_pci_dev(dev);
if (devpriv)
pc236_intr_disable(dev);
@@ -581,13 +581,16 @@ static void pc236_detach(struct comedi_device *dev)
free_irq(dev->irq, dev);
if (dev->subdevices)
subdev_8255_cleanup(dev, dev->subdevices + 0);
- if (pcidev) {
- if (dev->iobase)
- comedi_pci_disable(pcidev);
- pci_dev_put(pcidev);
- } else {
+ if (IS_ISA_BOARD(thisboard)) {
if (dev->iobase)
release_region(dev->iobase, PC236_IO_SIZE);
+ } else if (IS_PCI_BOARD(thisboard)) {
+ struct pci_dev *pcidev = comedi_to_pci_dev(dev);
+ if (pcidev) {
+ if (dev->iobase)
+ comedi_pci_disable(pcidev);
+ pci_dev_put(pcidev);
+ }
}
}
--
1.7.8.6
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