CVE-2022-49125

In the Linux kernel, the following vulnerability has been resolved:

drm/sprd: fix potential NULL dereference

'drm' could be null in sprd_drm_shutdown, and drm_warn maybe dereference
it, remove this warning log.


v1 -> v2:
- Split checking platform_get_resource() return value to a separate patch
- Use dev_warn() instead of removing the warning log