hamradio: improve the incomplete fix to avoid NPD
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 v4.14.260 by commit a7b0ae2cc486fcb601f9f9d87d98138cc7b7f7f9. For more details please see the references link.