[GIT PULL] overlayfs fixes for 4.14-rc7

[Miklos Szeredi]

Hi Linus,

Please pull from:

  git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-linus

Fix several issues, most of them introduced in the last release.

Thanks,
Miklos

---
Amir Goldstein (3):
      ovl: fix EIO from lookup of non-indexed upper
      ovl: handle ENOENT on index lookup
      ovl: do not cleanup unsupported index entries

Dan Carpenter (1):
      ovl: Return -ENOMEM if an allocation fails ovl_lookup()

Hirofumi Nakagawa (1):
      ovl: add NULL check in ovl_alloc_inode

---
 fs/overlayfs/inode.c     | 20 ++++++++++++++++----
 fs/overlayfs/namei.c     | 32 ++++++++++++++++----------------
 fs/overlayfs/overlayfs.h |  3 ++-
 fs/overlayfs/readdir.c   | 11 +++++------
 fs/overlayfs/super.c     |  3 +++
 5 files changed, 42 insertions(+), 27 deletions(-)