mac80211: Only accept data frames in OCB mode

Currently OCB mode accepts frames with bssid==broadcast and type!=beacon.
Some non-data frames are sent matching this, for example probe responses.
This results in unnecessary creation of STA entries.

Signed-off-by: Bertold Van den Bergh <bertold.vandenbergh@esat.kuleuven.be>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f673304..4d217d3 100644 (file)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3316,7 +3316,7 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
        case NL80211_IFTYPE_OCB:
                if (!bssid)
                        return false;
-               if (ieee80211_is_beacon(hdr->frame_control))
+               if (!ieee80211_is_data_present(hdr->frame_control))
                        return false;
                if (!is_broadcast_ether_addr(bssid))
                        return false;