Merge tag 'v4.4.31' into linux-linaro-lsk-v4.4

[firefly-linux-kernel-4.4.55.git] / net / mac80211 / mesh.c

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index fa28500f28fd9fd8d452602b0407741589f12e36..f7bb6829b415109e5370f6c5fa38cedb519eca8a 100644 (file)
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -151,19 +151,26 @@ u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
 void mesh_sta_cleanup(struct sta_info *sta)
 {
        struct ieee80211_sub_if_data *sdata = sta->sdata;
-       u32 changed;
+       u32 changed = 0;
 
        /*
         * maybe userspace handles peer allocation and peering, but in either
         * case the beacon is still generated by the kernel and we might need
         * an update.
         */
-       changed = mesh_accept_plinks_update(sdata);
+       if (sdata->u.mesh.user_mpm &&
+           sta->mesh->plink_state == NL80211_PLINK_ESTAB)
+               changed |= mesh_plink_dec_estab_count(sdata);
+       changed |= mesh_accept_plinks_update(sdata);
        if (!sdata->u.mesh.user_mpm) {
                changed |= mesh_plink_deactivate(sta);
                del_timer_sync(&sta->mesh->plink_timer);
        }
 
+       /* make sure no readers can access nexthop sta from here on */
+       mesh_path_flush_by_nexthop(sta);
+       synchronize_net();
+
        if (changed)
                ieee80211_mbss_info_change_notify(sdata, changed);
 }
@@ -1370,17 +1377,6 @@ out:
        sdata_unlock(sdata);
 }
 
-void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
-{
-       struct ieee80211_sub_if_data *sdata;
-
-       rcu_read_lock();
-       list_for_each_entry_rcu(sdata, &local->interfaces, list)
-               if (ieee80211_vif_is_mesh(&sdata->vif) &&
-                   ieee80211_sdata_running(sdata))
-                       ieee80211_queue_work(&local->hw, &sdata->work);
-       rcu_read_unlock();
-}
 
 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 {