SUSE CVE-2021-47490

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix memleak in ttmtransfereddestroy We need to cleanup the fences for ghost objects as well. Bug: https://bugzilla.kernel.org/showbug.cgi?id=214029 Bug: https://bugzilla.kernel.org/showbug.cgi?id=214447...