CVE-2024-42081

In the Linux kernel, the following vulnerability has been resolved:
drm/xe/xe_devcoredump: Check NULL before assignments
Assign ‘xe_devcoredump_snapshot *’ and ‘xe_device *’ only if
‘coredump’ is not NULL.
v2

• Fix commit messages.
  v3
• Define variables before code.(Ashutosh/Jose)
  v4
• Drop return check for coredump_to_xe. (Jose/Rodrigo)
  v5
• Modify misleading commit message. (Matt)