On Fri, Jan 14, 2022 at 11:17:19AM +0100, Geert Uytterhoeven wrote:
On Wed, Jan 12, 2022 at 6:46 PM Biju Das biju.das.jz@bp.renesas.com wrote:
Increase buff size for compatible variable to avoid stack corruption with RZ/G2L SoC's(renesas,du-r9a07g044l) which requires a buff size more than the current allocated size.
Signed-off-by: Biju Das biju.das.jz@bp.renesas.com
Thanks for your patch!
--- a/drivers/gpu/drm/rcar-du/rcar_du_of.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_of.c @@ -200,7 +200,7 @@ static void __init rcar_du_of_lvds_patch(const struct of_device_id *of_ids) struct device_node *lvds_node; struct device_node *soc_node; struct device_node *du_node;
char compatible[22];
char compatible[24]; const char *soc_name; unsigned int i; int ret;What about changing the code to use kasprintf() instead, to prevent this from ever happening again?
Or maybe it's time to drop this backward compatibility code altogether ?