diff options
| -rw-r--r-- | fs/namespace.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index a5d37b97088f..59948cbf9c47 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2402,21 +2402,15 @@ bool has_locked_children(struct mount *mnt, struct dentry *dentry) * specified subtree. Such references can act as pins for mount namespaces * that aren't checked by the mount-cycle checking code, thereby allowing * cycles to be made. + * + * locks: mount_locked_reader || namespace_shared && pinned(subtree) */ static bool check_for_nsfs_mounts(struct mount *subtree) { - struct mount *p; - bool ret = false; - - lock_mount_hash(); - for (p = subtree; p; p = next_mnt(p, subtree)) + for (struct mount *p = subtree; p; p = next_mnt(p, subtree)) if (mnt_ns_loop(p->mnt.mnt_root)) - goto out; - - ret = true; -out: - unlock_mount_hash(); - return ret; + return false; + return true; } /** |