Don't allow using a zero MAC address as the station MAC address. so validated the MAC address using is_valid_ether_addr. Signed-off-by: Karthikeyan Periyasamy <periyasa@xxxxxxxxxxxxxx> --- net/mac80211/cfg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 4f12d04..cf97b07 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1539,7 +1539,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, if (ether_addr_equal(mac, sdata->vif.addr)) return -EINVAL; - if (is_multicast_ether_addr(mac)) + if (!is_valid_ether_addr(mac)) return -EINVAL; sta = sta_info_alloc(sdata, mac, GFP_KERNEL); -- 1.9.1
