phylib: fix potential use-after-free
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 v5.4.176 by commit f39027cbada43b33566c312e6be3db654ca3ad17, it was introduced in version v4.16 by commit bafbdd527d569c8200521f2f7579f65a044271be. For more details please see the references link.