staging: comedi: usbduxsigma: always clear the usb intfdata in (*detach)

Make sure the usb intfdata is always cleared when the device is
detached.

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/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index 6362094..60815a3 100644 (file)
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -1703,11 +1703,11 @@ static void usbduxsigma_detach(struct comedi_device *dev)
        struct usb_interface *intf = comedi_to_usb_interface(dev);
        struct usbduxsigma_private *devpriv = dev->private;
 
+       usb_set_intfdata(intf, NULL);
+
        if (!devpriv)
                return;
 
-       usb_set_intfdata(intf, NULL);
-
        down(&devpriv->sem);
 
        /* force unlink all urbs */