mac80211: ignore NullFunc frames in the duplicate detection

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

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3bd3b57697970f8ad2c756d1ab69a360b465ff38..428f7ad5f9b59f7964405c1c534d2b1a130fe25e 100644 (file)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1403,6 +1403,7 @@ ieee80211_rx_h_check_dup(struct ieee80211_rx_data *rx)
                return RX_CONTINUE;
 
        if (ieee80211_is_ctl(hdr->frame_control) ||
+           ieee80211_is_nullfunc(hdr->frame_control) ||
            ieee80211_is_qos_nullfunc(hdr->frame_control) ||
            is_multicast_ether_addr(hdr->addr1))
                return RX_CONTINUE;
@@ -3063,7 +3064,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
                        cfg80211_sta_opmode_change_notify(sdata->dev,
                                                          rx->sta->addr,
                                                          &sta_opmode,
-                                                         GFP_KERNEL);
+                                                         GFP_ATOMIC);
                        goto handled;
                }
                case WLAN_HT_ACTION_NOTIFY_CHANWIDTH: {
@@ -3100,7 +3101,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
                        cfg80211_sta_opmode_change_notify(sdata->dev,
                                                          rx->sta->addr,
                                                          &sta_opmode,
-                                                         GFP_KERNEL);
+                                                         GFP_ATOMIC);
                        goto handled;
                }
                default: