[DF] Remove unnecessary temporary variables
[DF] Remove unnecessary temporary variables

Co-authored-by: Axel Naumann <cb9efc8f9015dd95c88a8e735ee07ab4f1027cd2@cern.ch>

olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root,olifre/root