drm/amdkfd: Check for potential null return of kmalloc_array()
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 v4.19.239 by commit 94869bb0de69a812f70231b0eb480bb2f7ae73a6. For more details please see the references link.