diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/usbduxsigma.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index b879965565ad..30ada7d8d935 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -1521,10 +1521,6 @@ static void tidy_up(struct usbduxsigma_private *usbduxsub_tmp) { int i; - /* shows the usb subsystem that the driver is down */ - if (usbduxsub_tmp->interface) - usb_set_intfdata(usbduxsub_tmp->interface, NULL); - if (usbduxsub_tmp->urbIn) { /* force unlink all urbs */ usbdux_ai_stop(usbduxsub_tmp, 1); @@ -1847,6 +1843,7 @@ static int usbduxsigma_auto_attach(struct comedi_device *dev, static void usbduxsigma_detach(struct comedi_device *dev) { + struct usb_interface *intf = comedi_to_usb_interface(dev); struct usbduxsigma_private *devpriv = dev->private; if (!devpriv) @@ -1856,6 +1853,8 @@ static void usbduxsigma_detach(struct comedi_device *dev) usbdux_ai_stop(devpriv, devpriv->ai_cmd_running); usbdux_ao_stop(devpriv, devpriv->ao_cmd_running); + usb_set_intfdata(intf, NULL); + down(&devpriv->sem); tidy_up(devpriv); up(&devpriv->sem); |