drm/amdkfd: fix a potential ttm->sg memory leak
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 v5.14.12 by commit 7e5ce6029b627efb4a004746cfdc1eeff850e6eb, it was introduced in version v5.14 by commit 264fb4d332f5e76743818480e482464437837c52. For more details please see the references link.