03047cdf72
It's happened time and time again (most recently with the support for EDID hardcoded in the BIOS ROM) that new code didn't check for rdev->bios being non-NULL before triggering dereferences of it. This would result in an oops/panic on setups with no BIOS ROM. Hopefully this central test will be more robust. Signed-off-by: Michel Dänzer <daenzer@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>