linux-imx

Merge branch 'md-next' of https://github.com/liu-song-6/linux into for-5.1/block

Pull MD changes for 5.1 from Song.

* 'md-next' of https://github.com/liu-song-6/linux:
  raid1: simplify raid1_error function
  md-linear: use struct_size() in kzalloc()