cxl/region: Fix null pointer dereference for resetting decoder
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 v6.1.12 by commit a04c7d062b537ff787d00da95bdfe343260d4beb, it was introduced in version v6.0 by commit 176baefb2eb5d7a3ddebe3ff803db1fce44574b5. For more details please see the references link.