diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index e2c6f5cd1cf747678b4128b170078d7b1a96ad50..969be3adda7a1f14f63a1cb2ef4c1c2605ceeb30 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -988,9 +988,10 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) memcpy(dst, hdr->addr1, ETH_ALEN); memcpy(src, hdr->addr3, ETH_ALEN); - if (sdata->type != IEEE80211_IF_TYPE_STA) { + if (sdata->type != IEEE80211_IF_TYPE_STA || + (is_multicast_ether_addr(dst) && + !compare_ether_addr(src, dev->dev_addr))) return TXRX_DROP; - } break; case 0: /* DA SA BSSID */