On Mon, Aug 17, 2020 at 09:32:03AM +0200, Christoph Hellwig wrote: > Don't allow calling ->read or ->write with set_fs as a preparation for > killing off set_fs. All the instances that we use kernel_read/write on > are using the iter ops already. > > If a file has both the regular ->read/->write methods and the iter > variants those could have different semantics for messed up enough > drivers. Also fails the kernel access to them in that case. > > Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Kees Cook <keesc...@chromium.org> -- Kees Cook
