Re: [PATCH 02/26] octeon_ep: use array_size

Simon Horman
2023-06-24T15:47:06Z

On Fri, Jun 23, 2023 at 11:14:33PM +0200, Julia Lawall wrote:
> Use array_size to protect against multiplication overflows.
>
> The changes were done using the following Coccinelle semantic patch:
>
> // <smpl>
> @@
> expression E1, E2;
> constant C1, C2;
> identifier alloc = {vmalloc,vzalloc};
> @@
>
> (
> alloc(C1 * C2,...)
> |
> alloc(
> - (E1) * (E2)
> + array_size(E1, E2)
> ,...)
> )
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

Reviewed-by: Simon Horman <simon.horman@corigine.com>