net: ehea: fix possible memory leak in ehearegisterport()
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 v5.15.77 by commit d1cfa71d5b6817804bc694a93e330e479558b265, it was introduced in version v2.6.22 by commit 1acf2318dd136edfbfa30f1f33b43f69f2e2ec6c. For more details please see the references link.