Merge tag 'perf-core-for-mingo-20160803' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / net / mac80211 / rx.c

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9a1eb70..2e8a902 100644 (file)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1624,8 +1624,13 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
                if (mmie_keyidx < NUM_DEFAULT_KEYS ||
                    mmie_keyidx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
                        return RX_DROP_MONITOR; /* unexpected BIP keyidx */
-               if (rx->sta)
+               if (rx->sta) {
+                       if (ieee80211_is_group_privacy_action(skb) &&
+                           test_sta_flag(rx->sta, WLAN_STA_MFP))
+                               return RX_DROP_MONITOR;
+
                        rx->key = rcu_dereference(rx->sta->gtk[mmie_keyidx]);
+               }
                if (!rx->key)
                        rx->key = rcu_dereference(rx->sdata->keys[mmie_keyidx]);
        } else if (!ieee80211_has_protected(fc)) {