Revert "mac80211: support NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS"

This reverts commit 9b125c27.

As Jouni points out, there's really no need for this, since the
RSN pre-authentication frames are normal data frames, not port
control frames (locally).

Fixes: 9b125c27 ("mac80211: support NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20200224101910.b87da63a3cd6.Ic94bc51a370c4aa7d19fbca9b96d90ab703257dc@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/main.c

@@ -589,8 +589,6 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
 	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_STA);
 	wiphy_ext_feature_set(wiphy,
 			      NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211);
-	wiphy_ext_feature_set(wiphy,
-			      NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_MAC_ADDRS);
 
 	if (!ops->hw_scan) {
 		wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |

net/mac80211/tx.c

@@ -5315,7 +5315,7 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
 
 	ehdr = skb_push(skb, sizeof(struct ethhdr));
 	memcpy(ehdr->h_dest, dest, ETH_ALEN);
-	memcpy(ehdr->h_source, src, ETH_ALEN);
+	memcpy(ehdr->h_source, sdata->vif.addr, ETH_ALEN);
 	ehdr->h_proto = proto;
 
 	skb->dev = dev;