1 files changed, 7 insertions, 12 deletions

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a3643fd86af9..e80336f8f1ea 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -67,12 +67,9 @@ static inline int should_drop_frame(struct ieee80211_rx_status *status,
                 return 1;
         if (unlikely(skb->len < 16 + present_fcs_len + radiotap_len))
                 return 1;
-        if (((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
-                        cpu_to_le16(IEEE80211_FTYPE_CTL)) &&
-            ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE)) !=
-                        cpu_to_le16(IEEE80211_STYPE_PSPOLL)) &&
-            ((hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_STYPE)) !=
-                        cpu_to_le16(IEEE80211_STYPE_BACK_REQ)))
+        if (ieee80211_is_ctl(hdr->frame_control) &&
+            !ieee80211_is_pspoll(hdr->frame_control) &&
+            !ieee80211_is_back_req(hdr->frame_control))
                 return 1;
         return 0;
 }
@@ -2118,7 +2115,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
         struct sta_info *sta;
         struct tid_ampdu_rx *tid_agg_rx;
-        u16 fc, sc;
+        u16 sc;
         u16 mpdu_seq_num;
         u8 ret = 0, *qc;
         int tid;
@@ -2127,14 +2124,12 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
         if (!sta)
                 return ret;
 
-        fc = le16_to_cpu(hdr->frame_control);
-
         /* filter the QoS data rx stream according to
          * STA/TID and check if this STA/TID is on aggregation */
-        if (!WLAN_FC_IS_QOS_DATA(fc))
+        if (!ieee80211_is_data_qos(hdr->frame_control))
                 goto end_reorder;
 
-        qc = skb->data + ieee80211_get_hdrlen(fc) - QOS_CONTROL_LEN;
+        qc = ieee80211_get_qos_ctl(hdr);
         tid = qc[0] & QOS_CONTROL_TID_MASK;
 
         if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_OPERATIONAL)
@@ -2143,7 +2138,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
         tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
 
         /* null data frames are excluded */
-        if (unlikely(fc & IEEE80211_STYPE_NULLFUNC))
+        if (unlikely(ieee80211_is_nullfunc(hdr->frame_control)))
                 goto end_reorder;
 
         /* new un-ordered ampdu frame - process it */