mac80211: fixing null qos data frames check for reordering buffer

This patch fixes a wrong condition for null qos data frames, causing us to
drop data frames needed for reordering as well.
Signed-off-by: NRon Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/mac80211/rx.c

@@ -1972,7 +1972,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 		goto end_reorder;
 
 	/* null data frames are excluded */
-	if (unlikely(fc & IEEE80211_STYPE_QOS_NULLFUNC))
+	if (unlikely(fc & IEEE80211_STYPE_NULLFUNC))
 		goto end_reorder;
 
 	/* new un-ordered ampdu frame - process it */