ath9k: Remove redundant my beacon check at ath_rx_ps_beacon

Make use of the rx status's is_mybeacon in order to avoid
redundant memcmp.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 4984350..f658ec6 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -586,22 +586,11 @@ static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb)
 
 static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
 {
-       struct ieee80211_mgmt *mgmt;
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 
        if (skb->len < 24 + 8 + 2 + 2)
                return;
 
-       mgmt = (struct ieee80211_mgmt *)skb->data;
-       if (memcmp(common->curbssid, mgmt->bssid, ETH_ALEN) != 0) {
-               /* TODO:  This doesn't work well if you have stations
-                * associated to two different APs because curbssid
-                * is just the last AP that any of the stations associated
-                * with.
-                */
-               return; /* not from our current AP */
-       }
-
        sc->ps_flags &= ~PS_WAIT_FOR_BEACON;
 
        if (sc->ps_flags & PS_BEACON_SYNC) {
@@ -637,7 +626,7 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
        }
 }
 
-static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
+static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb, bool mybeacon)
 {
        struct ieee80211_hdr *hdr;
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -646,7 +635,7 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb)
 
        /* Process Beacon and CAB receive in PS state */
        if (((sc->ps_flags & PS_WAIT_FOR_BEACON) || ath9k_check_auto_sleep(sc))
-           && ieee80211_is_beacon(hdr->frame_control))
+           && mybeacon)
                ath_rx_ps_beacon(sc, skb);
        else if ((sc->ps_flags & PS_WAIT_FOR_CAB) &&
                 (ieee80211_is_data(hdr->frame_control) ||
@@ -1952,10 +1941,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
                spin_lock_irqsave(&sc->sc_pm_lock, flags);
 
                if ((sc->ps_flags & (PS_WAIT_FOR_BEACON |
-                                             PS_WAIT_FOR_CAB |
-                                             PS_WAIT_FOR_PSPOLL_DATA)) ||
-                                               ath9k_check_auto_sleep(sc))
-                       ath_rx_ps(sc, skb);
+                                    PS_WAIT_FOR_CAB |
+                                    PS_WAIT_FOR_PSPOLL_DATA)) ||
+                   ath9k_check_auto_sleep(sc))
+                       ath_rx_ps(sc, skb, rs.is_mybeacon);
                spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 
                if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx == 3)