clean fit; namespace_shared due to iterating through ns->mounts.
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
fs/namespace.c | 15 ++++++---------
1 file 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 {
--
2.47.2
