platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios
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 v5.12.7 by commit 8d746ea7c687bab060a2c05a35c449302406cd52, it was introduced in version v4.15 by commit 1a258e670434f404a4500b65ba1afea2c2b29bba. For more details please see the references link.