Summary: These private functions are not supposed to return anything as their return value is never read anyway, thus consistently return void instead of null (which makes no technical difference but is easier to read). Test Plan: Look at the other return values in the same function, and the calls of the function. Reviewers: O1 Blessed Committers, mainframe98 Reviewed By: O1 Blessed Committers, mainframe98 Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno Differential Revision: https://we.phorge.it/D26666