net/afpacket: check len when minheader_len equals to 0
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 v5.10.141 by commit 4931af31c402b20c528b43d90f98bc6f4bcb5810, it was introduced in version v5.10.141 by commit 6204bf78b2a903b96ba43afff6abc0b04d6e0462. For more details please see the references link.