CVE-2022-49830: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: drm/drv: Fix potential memory leak in drmdevinit drmdevinit will add drmdevinitrelease as a callback. When drmmaddaction failed, the release function won't be added. As the result, the ref cnt added by deviceget in drmdevinit won...