ath9k: Cleanup return values

Cleanup aggregation start/stop function interfaces.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 15 insertions, 30 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index ebcf78b1ba73..d816c9df1f63 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -363,9 +363,9 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 void ath_tx_tasklet(struct ath_softc *sc);
 void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
 bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
-int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
-                      u16 tid, u16 *ssn);
-int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+                       u16 tid, u16 *ssn);
+void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 
 /********/
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3834678f622c..b3e07e79daec 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2669,19 +2669,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
         case IEEE80211_AMPDU_RX_STOP:
                 break;
         case IEEE80211_AMPDU_TX_START:
-                ret = ath_tx_aggr_start(sc, sta, tid, ssn);
-                if (ret < 0)
-                        DPRINTF(sc, ATH_DBG_FATAL,
-                                "Unable to start TX aggregation\n");
-                else
-                        ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+                ath_tx_aggr_start(sc, sta, tid, ssn);
+                ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
                 break;
         case IEEE80211_AMPDU_TX_STOP:
-                ret = ath_tx_aggr_stop(sc, sta, tid);
-                if (ret < 0)
-                        DPRINTF(sc, ATH_DBG_FATAL,
-                                "Unable to stop TX aggregation\n");
-
+                ath_tx_aggr_stop(sc, sta, tid);
                 ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
                 break;
         case IEEE80211_AMPDU_TX_OPERATIONAL:
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index c039d0ac5ffe..2c01fda5b723 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -695,25 +695,20 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
                  status != ATH_AGGR_BAW_CLOSED);
 }
 
-int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
-                      u16 tid, u16 *ssn)
+void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+                       u16 tid, u16 *ssn)
 {
         struct ath_atx_tid *txtid;
         struct ath_node *an;
 
         an = (struct ath_node *)sta->drv_priv;
-
-        if (sc->sc_flags & SC_OP_TXAGGR) {
-                txtid = ATH_AN_2_TID(an, tid);
-                txtid->state |= AGGR_ADDBA_PROGRESS;
-                ath_tx_pause_tid(sc, txtid);
-                *ssn = txtid->seq_start;
-        }
-
-        return 0;
+        txtid = ATH_AN_2_TID(an, tid);
+        txtid->state |= AGGR_ADDBA_PROGRESS;
+        ath_tx_pause_tid(sc, txtid);
+        *ssn = txtid->seq_start;
 }
 
-int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
+void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
 {
         struct ath_node *an = (struct ath_node *)sta->drv_priv;
         struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
@@ -723,11 +718,11 @@ int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
         INIT_LIST_HEAD(&bf_head);
 
         if (txtid->state & AGGR_CLEANUP)
-                return 0;
+                return;
 
         if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
                 txtid->state &= ~AGGR_ADDBA_PROGRESS;
-                return 0;
+                return;
         }
 
         ath_tx_pause_tid(sc, txtid);
@@ -756,8 +751,6 @@ int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
                 txtid->state &= ~AGGR_ADDBA_COMPLETE;
                 ath_tx_flush_tid(sc, txtid);
         }
-
-        return 0;
 }
 
 void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)