On Wed, Jan 18, 2023 at 09:39:08PM +0900, Ryusuke Konishi wrote: > > Also pass through the error through the direct callers: > > > filemap_get_folio, filemap_lock_folio filemap_grab_folio > > and filemap_get_incore_folio. > > As for the comments describing the return values of these callers, > isn't it necessary to rewrite the value from NULL in case of errors ? Yes, thanks for catching this.