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 v5.19.7 by commit ec274d8f1e649b12530bbba3f01478e20bf8bc23, it was introduced in version v5.19.7 by commit 72f2dc8993f10262092745a88cb2dd0fef094f23. For more details please see the references link.