On 6/17/20 7:56 PM, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes.
>
> This code was detected with the help of Coccinelle and, audited and
> fixed manually.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org>
Applied to drm-misc-next tree, thanks.
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
> ---
> include/linux/fb.h | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/fb.h b/include/linux/fb.h
> index 3b4b2f0c6994..2b530e6d86e4 100644
> --- a/include/linux/fb.h
> +++ b/include/linux/fb.h
> @@ -506,8 +506,9 @@ struct fb_info {
> };
>
> static inline struct apertures_struct *alloc_apertures(unsigned int max_num)
> {
> - struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
> - + max_num * sizeof(struct aperture), GFP_KERNEL);
> + struct apertures_struct *a;
> +
> + a = kzalloc(struct_size(a, ranges, max_num), GFP_KERNEL);
> if (!a)
> return NULL;
> a->count = max_num;
>
