diff options
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 1ae1ab8815c9..f1460ddd1486 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -906,17 +906,14 @@ bool __is_local_mountpoint(const struct dentry *dentry) { struct mnt_namespace *ns = current->nsproxy->mnt_ns; struct mount *mnt, *n; - bool is_covered = false; - down_read(&namespace_sem); - rbtree_postorder_for_each_entry_safe(mnt, n, &ns->mounts, mnt_node) { - is_covered = (mnt->mnt_mountpoint == dentry); - if (is_covered) - break; - } - up_read(&namespace_sem); + guard(namespace_shared)(); + + rbtree_postorder_for_each_entry_safe(mnt, n, &ns->mounts, mnt_node) + if (mnt->mnt_mountpoint == dentry) + return true; - return is_covered; + return false; } struct pinned_mountpoint { |