conf pointer could be null, access it only if its not null.
Foundby=klocwork
BUG=N/A
TEST=N/A
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Change-Id: I0611e15d52edd8e69e4234b8ac602f35efba4015
Reviewed-on: https://review.coreboot.org/c/30862
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
07cbd7684f