Hi
Am 26.10.20 um 20:39 schrieb Arnd Bergmann:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The open-coded list_for_each_entry() causes a harmless warning:
>
> drivers/video/fbdev/matrox/matroxfb_base.c: In function 'matroxfb_register_driver':
> include/linux/kernel.h:856:3: warning: array subscript -98 is outside array bounds of 'struct list_head[1]' [-Warray-bounds]
>
> Use the normal list_for_each_entry instead.
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
I'll add the patch to drm-misc-next. Thanks!
Best regards
Thomas
> ---
> drivers/video/fbdev/matrox/matroxfb_base.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
> index 570439b32655..a3853421b263 100644
> --- a/drivers/video/fbdev/matrox/matroxfb_base.c
> +++ b/drivers/video/fbdev/matrox/matroxfb_base.c
> @@ -1970,9 +1970,7 @@ int matroxfb_register_driver(struct matroxfb_driver* drv) {
> struct matrox_fb_info* minfo;
>
> list_add(&drv->node, &matroxfb_driver_list);
> - for (minfo = matroxfb_l(matroxfb_list.next);
> - minfo != matroxfb_l(&matroxfb_list);
> - minfo = matroxfb_l(minfo->next_fb.next)) {
> + list_for_each_entry(minfo, &matroxfb_list, next_fb) {
> void* p;
>
> if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS)
> @@ -1990,9 +1988,7 @@ void matroxfb_unregister_driver(struct matroxfb_driver* drv) {
> struct matrox_fb_info* minfo;
>
> list_del(&drv->node);
> - for (minfo = matroxfb_l(matroxfb_list.next);
> - minfo != matroxfb_l(&matroxfb_list);
> - minfo = matroxfb_l(minfo->next_fb.next)) {
> + list_for_each_entry(minfo, &matroxfb_list, next_fb) {
> int i;
>
> for (i = 0; i < minfo->drivers_count; ) {
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
