1 files changed, 4 insertions, 1 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ad53ea9e9c77..7b013fb0d27f 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -432,7 +432,10 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
                 tx->key = key;
         else if (tx->sdata->drop_unencrypted &&
                  (tx->skb->protocol != cpu_to_be16(ETH_P_PAE)) &&
-                 !(info->flags & IEEE80211_TX_CTL_INJECTED)) {
+                 !(info->flags & IEEE80211_TX_CTL_INJECTED) &&
+                 (!ieee80211_is_robust_mgmt_frame(hdr) ||
+                  (ieee80211_is_action(hdr->frame_control) &&
+                   tx->sta && test_sta_flags(tx->sta, WLAN_STA_MFP)))) {
                 I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted);
                 return TX_DROP;
         } else