Fix out-of-bounds array in adv7511_dsi_config_timing_gen() for clock_div_by_lanes[], when dsi lanes = 1.
Fixes: 78fa479d703c ("drm/bridge: adv7533: Use internal timing generator") Reported-by: Hien Huynh hien.huynh.px@renesas.com Signed-off-by: Biju Das biju.das.jz@bp.renesas.com --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index 3e57ba838e5e..0c2236e53af5 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -185,6 +185,9 @@ int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) adv->use_timing_gen = !of_property_read_bool(np, "adi,disable-timing-generator");
+ if (adv->use_timing_gen && num_lanes == 1) + return -EINVAL; + /* TODO: Check if these need to be parsed by DT or not */ adv->rgb = true; adv->embedded_sync = false;