floppy: Fix memory leak in dofloppyinit()
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 v5.15.86 by commit f36d8c8651506aea5f09899f5356ece5d1384f50, it was introduced in version v5.11 by commit 302cfee150291c6cd85b1ca197d062d0b423d09c. For more details please see the references link.