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path: root/package/mac80211/patches/560-4addr_vlan_check.patch
blob: 7079957ee672ce5c5e2aba0742e776e11e4c6084 (plain)
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--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1051,8 +1051,11 @@ ieee80211_tx_prepare(struct ieee80211_su
 
 	hdr = (struct ieee80211_hdr *) skb->data;
 
-	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
 		tx->sta = rcu_dereference(sdata->u.vlan.sta);
+		if (!tx->sta && sdata->dev->ieee80211_ptr->use_4addr)
+			return TX_DROP;
+	}
 	if (!tx->sta)
 		tx->sta = sta_info_get(sdata, hdr->addr1);