mac80211: use common skb queue

IBSS, managed and mesh modes all have an
skb queue, and in the future we want to
also use it in other modes, so make them
all use a common skb queue already.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 12 deletions

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index bde81031727a..065533a37abe 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -537,15 +537,6 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
          * it no longer is.
          */
         cancel_work_sync(&sdata->u.mesh.work);
-
-        /*
-         * When we get here, the interface is marked down.
-         * Call synchronize_rcu() to wait for the RX path
-         * should it be using the interface and enqueuing
-         * frames at this very time on another CPU.
-         */
-        rcu_barrier(); /* Wait for RX path and call_rcu()'s */
-        skb_queue_purge(&sdata->u.mesh.skb_queue);
 }
 
 static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
@@ -650,7 +641,7 @@ static void ieee80211_mesh_work(struct work_struct *work)
         if (local->scanning)
                 return;
 
-        while ((skb = skb_dequeue(&ifmsh->skb_queue)))
+        while ((skb = skb_dequeue(&sdata->skb_queue)))
                 ieee80211_mesh_rx_queued_mgmt(sdata, skb);
 
         if (ifmsh->preq_queue_len &&
@@ -690,7 +681,6 @@ void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
         setup_timer(&ifmsh->housekeeping_timer,
                     ieee80211_mesh_housekeeping_timer,
                     (unsigned long) sdata);
-        skb_queue_head_init(&sdata->u.mesh.skb_queue);
 
         ifmsh->mshcfg.dot11MeshRetryTimeout = MESH_RET_T;
         ifmsh->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T;
@@ -750,7 +740,7 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
         case IEEE80211_STYPE_ACTION:
         case IEEE80211_STYPE_PROBE_RESP:
         case IEEE80211_STYPE_BEACON:
-                skb_queue_tail(&ifmsh->skb_queue, skb);
+                skb_queue_tail(&sdata->skb_queue, skb);
                 ieee80211_queue_work(&local->hw, &ifmsh->work);
                 return RX_QUEUED;
         }