Put skel_delete function in the document typical form
Update code according to usb-skeleton.c
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx>
---
.../driver-api/usb/writing_usb_driver.rst | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst
index b16e4e76d472..74bb72a2f0ac 100644
--- a/Documentation/driver-api/usb/writing_usb_driver.rst
+++ b/Documentation/driver-api/usb/writing_usb_driver.rst
@@ -263,18 +263,17 @@ handle smoothly is the fact that the USB device may be removed from the
system at any point in time, even if a program is currently talking to
it. It needs to be able to shut down any current reads and writes and
notify the user-space programs that the device is no longer there. The
-following code (function ``skel_delete``) is an example of how to do
-this::
+`skel_delete` function is an example of how to do this::
- static inline void skel_delete (struct usb_skel *dev)
+ static void skel_delete(struct kref *kref)
{
- kfree (dev->bulk_in_buffer);
- if (dev->bulk_out_buffer != NULL)
- usb_free_coherent (dev->udev, dev->bulk_out_size,
- dev->bulk_out_buffer,
- dev->write_urb->transfer_dma);
- usb_free_urb (dev->write_urb);
- kfree (dev);
+ struct usb_skel *dev = to_skel_dev(kref);
+
+ usb_free_urb(dev->bulk_in_urb);
+ usb_put_intf(dev->interface);
+ usb_put_dev(dev->udev);
+ kfree(dev->bulk_in_buffer);
+ kfree(dev);
}
--
2.25.1
