CVE-2022-49232 drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a NULL pointer dereference in amdgpudmconnectoraddcommonmodes In amdgpudmconnectoraddcommonmodes, amdgpudmcreatecommonmode is assigned to mode and is passed to drmmodeprobedadd directly after that...