Re: [PATCH 49/64] cm4000_cs: Use struct_group() to zero struct cm4000_dev region

Greg Kroah-Hartman
2021-07-28T05:50:04Z

On Tue, Jul 27, 2021 at 01:58:40PM -0700, Kees Cook wrote:
> In preparation for FORTIFY_SOURCE performing compile-time and run-time
> field bounds checking for memset(), avoid intentionally writing across
> neighboring fields.
>
> Add struct_group() to mark region of struct cm4000_dev that should be
> initialized to zero.
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> drivers/char/pcmcia/cm4000_cs.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>