s390/cio: verify the driver availability for path_event call
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 v5.16.10 by commit a0619027f11590b2070624297530c34dc7f91bcd, it was introduced in version v5.11 by commit 32ef938815c1fb42d65212aac860ab153a64de1a. For more details please see the references link.