ftrace: Fix null pointer dereference in ftraceaddmod()
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 v5.4.225 by commit f715f31559b82e3f75ce047fa476de63d8107584, it was introduced in version v4.13 by commit 673feb9d76ab3eddde7acfd94b206e321cfc90b9. For more details please see the references link.