Pull file descriptor fix from Al Viro:
 "Fix for breakage in #work.fd this window"
* tag 'pull-work.fd-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix the breakage in close_fd_get_file() calling conventions change
                spin_unlock(&files->file_lock);
                goto err;
        }
 -      file = fdt->fd[close->fd];
 +      file = rcu_dereference_protected(fdt->fd[close->fd],
 +                      lockdep_is_held(&files->file_lock));
        if (!file || file->f_op == &io_uring_fops) {
                spin_unlock(&files->file_lock);
-               file = NULL;
                goto err;
        }