phy: mdio: fix memory leak
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 v5.4.153 by commit 414bb4ead1362ef2c8592db723c017258f213988, it was introduced in version v2.6.28 by commit 46abc02175b3c246dd5141d878f565a8725060c9. For more details please see the references link.