The Multi-Link element can be fragmented, thus its size can exceed 254.
Thus, modify ieee80211_mle_size_ok() to use 'size_t len' instead of
'u8 len'.
Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Christian Lamparter <chunkeey@gmail.com>