[PATCH v2] wifi: at76c50x: fix use after free access in at76_disconnect

[Markus Elfring]

> The memory pointed to by priv is freed at the end of at76_delete_device
> function (using ieee80211_free_hw). But the code then accesses the udev
> field of the freed object to put the USB device. This may also lead to a
> memory leak of the usb device. Fix this by using udev from interface.

Would you like to append parentheses to any function names?

Regards,
Markus