static void handler_ext(struct wiimote_data *wdata, const __u8 *payload,
size_t len)
{
+ static const __u8 invalid[21] = { 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff,
+ 0xff };
const __u8 *iter, *mods;
const struct wiimod_ops *ops;
bool is_mp;
- if (len < 6)
+ if (len > 21)
+ len = 21;
+ if (len < 6 || !memcmp(payload, invalid, len))
return;
/* if MP is active, track MP slot hotplugging */