diff options
Diffstat (limited to 'fs/namespace.c')
-rw-r--r-- | fs/namespace.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 1b466c54a357..623cd110076d 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -3648,7 +3648,7 @@ static int do_move_mount(struct path *old_path, if (!(attached ? check_mnt(old) : is_anon_ns(ns))) goto out; - if (is_anon_ns(ns)) { + if (is_anon_ns(ns) && ns == p->mnt_ns) { /* * Ending up with two files referring to the root of the * same anonymous mount namespace would cause an error @@ -3656,16 +3656,7 @@ static int do_move_mount(struct path *old_path, * twice into the mount tree which would be rejected * later. But be explicit about it right here. */ - if ((is_anon_ns(p->mnt_ns) && ns == p->mnt_ns)) - goto out; - - /* - * If this is an anonymous mount tree ensure that mount - * propagation can detect mounts that were just - * propagated to the target mount tree so we don't - * propagate onto them. - */ - ns->mntns_flags |= MNTNS_PROPAGATING; + goto out; } else if (is_anon_ns(p->mnt_ns)) { /* * Don't allow moving an attached mount tree to an @@ -3722,8 +3713,6 @@ static int do_move_mount(struct path *old_path, if (attached) put_mountpoint(old_mp); out: - if (is_anon_ns(ns)) - ns->mntns_flags &= ~MNTNS_PROPAGATING; unlock_mount(mp); if (!err) { if (attached) { |