diff options
| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-07-29 17:47:44 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-31 17:44:59 -0700 |
| commit | 1da439008e972ad3dfceca8a9ff4950db20f3528 (patch) | |
| tree | 8d006f73f4c5721a706eb741796fab5f205cae76 /drivers/staging/comedi | |
| parent | staging: comedi: usbduxsigma: move urb unlink into usbduxsigma_detach() (diff) | |
| download | linux-dev-1da439008e972ad3dfceca8a9ff4950db20f3528.tar.xz linux-dev-1da439008e972ad3dfceca8a9ff4950db20f3528.zip | |
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>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/usbduxsigma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index 636209458a66..60815a3ec540 100644 --- 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 */ |