1 files changed, 8 insertions, 6 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index 3ddfd9046c44..d94ccd6ddafd 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1844,9 +1844,10 @@ static int do_move_mount(struct path *path, char *old_name)
                 return err;
 
         down_write(&namespace_sem);
-        while (d_mountpoint(path->dentry) &&
-               follow_down(path))
-                ;
+        err = follow_down(path, true);
+        if (err < 0)
+                goto out;
+
         err = -EINVAL;
         if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt))
                 goto out;
@@ -1940,9 +1941,10 @@ int do_add_mount(struct vfsmount *newmnt, struct path *path,
 
         down_write(&namespace_sem);
         /* Something was mounted here while we slept */
-        while (d_mountpoint(path->dentry) &&
-               follow_down(path))
-                ;
+        err = follow_down(path, true);
+        if (err < 0)
+                goto unlock;
+
         err = -EINVAL;
         if (!(mnt_flags & MNT_SHRINKABLE) && !check_mnt(path->mnt))
                 goto unlock;