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Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f34cc66d3f4..1327d424bf3 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1768,6 +1768,17 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
switch (mgmt->u.action.category) {
case WLAN_CATEGORY_BACK:
+ /*
+ * The aggregation code is not prepared to handle
+ * anything but STA/AP due to the BSSID handling;
+ * IBSS could work in the code but isn't supported
+ * by drivers or the standard.
+ */
+ if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP)
+ return RX_DROP_MONITOR;
+
switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
if (len < (IEEE80211_MIN_ACTION_SIZE +