CVE-2022-50624 net: netsec: fix error handling in netsec_register_mdio()

In the Linux kernel, the following vulnerability has been resolved: net: netsec: fix error handling in netsecregistermdio If phydeviceregister fails, phydevicefree need be called to put refcount, so memory of phy device and device name can be freed in callback function. If getphydevice fails,...