[git pull] do_move_mount() fix

[Al Viro]

        Regression fix...

The following changes since commit d728cf79164bb38e9628d15276e636539f857ef1:

  fs/namespace: fix unprivileged mount propagation (2019-06-17 17:36:09 -0400)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes

for you to fetch changes up to 570d7a98e7d6d5d8706d94ffd2d40adeaa318332:

  vfs: move_mount: reject moving kernel internal mounts (2019-07-01 10:46:36 
-0400)

----------------------------------------------------------------
Eric Biggers (1):
      vfs: move_mount: reject moving kernel internal mounts

 fs/namespace.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)