staging: comedi: ni_6527: iounmap resource when detached

PCI bar 1 is ioremap'ed during the (*auto_attach). This resource
needs to be iounmap'ed when the driver is (*detach)ed.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 6f9ca7c..e84dac2 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -474,6 +474,8 @@ static void ni6527_detach(struct comedi_device *dev)
                ni6527_reset(dev);
        if (dev->irq)
                free_irq(dev->irq, dev);
+       if (dev->mmio)
+               iounmap(dev->mmio);
        comedi_pci_disable(dev);
 }