GSD-2022-1007751 drm/scheduler: fix fence ref counting

drm/scheduler: fix fence ref counting 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 v6.0.10 by commit e5f4b38362df93594cb426b04979d8834122f159...