Please pick the following commits for 4.9 and 4.14. They should apply cleanly.
commit d903ec77118c09f93a610b384d83a6df33a64fe6 Author: Andy Spencer aspencer@spacex.com Date: Thu Feb 22 11:05:33 2018 -0800
gianfar: simplify FCS handling and fix memory leak
commit d8861bab48b6c1fc3cdbcab8ff9d1eaea43afe7f Author: Michael Braun michael-dev@fami-braun.de Date: Thu Mar 4 20:52:52 2021 +0100
gianfar: fix jumbo packets+napi+rx overrun crash
Ben.