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 v5.10.121 by commit 2a1b5110c95e4d49c8c3906270dfcde680a5a7be, it was introduced in version v5.10.82 by commit 73a0d12114b4bc1a9def79a623264754b9df698e. For more details please see the references link.