usb: gadget: f_hid: fix refcount leak on 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 v5.15.86 by commit 9d4a0aca8a75550d3456c8de339a341dc4536ec5, it was introduced in version v3.19 by commit 21a9476a7ba847e413bf1c144d7c614532aed6dd. For more details please see the references link.