net: fix UaF in netns ops registration error path
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 v6.1.9 by commit 12075708f2e77ee6a9f8bb2cf512c38be3099794, it was introduced in version v6.1 by commit d266935ac43d57586e311a087510fe6a084af742. For more details please see the references link.