NFC: NULL out the dev->rfkill to prevent UAF
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.46 by commit 1632be63862f183cd5cf1cc094e698e6ec005dfd, it was introduced in version v5.15.5 by commit 8a9c61c3ef187d8891225f9b932390670a43a0d3. For more details please see the references link.