llc: only change llc->dev when bind() succeeds
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 v4.19.237 by commit c106f9aa6cd8913af9188ad361899ae696b5de37, it was introduced in version v4.19.237 by commit d14193111c436fc5de33206c67c7afd45c730099. For more details please see the references link.