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 v5.4.188 by commit 993c23880bcecf5e74090c9288ea680b5eb29005, it was introduced in version v5.4.188 by commit 572f9a0d3f3feb8bd3422e88ad71882bc034b3ff. For more details please see the references link.