1 files changed, 8 insertions, 1 deletions

diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index d1cf2d553499..2bc5dc25d5ad 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -164,12 +164,15 @@ no_sync:
         rcu_read_unlock();
 }
 
-static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
+static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata,
+                                         struct beacon_data *beacon)
 {
         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+        u8 cap;
 
         WARN_ON(ifmsh->mesh_sp_id != IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET);
         BUG_ON(!rcu_read_lock_held());
+        cap = beacon->meshconf->meshconf_cap;
 
         spin_lock_bh(&ifmsh->sync_offset_lock);
 
@@ -194,6 +197,10 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata)
                 ifmsh->adjusting_tbtt = false;
         }
         spin_unlock_bh(&ifmsh->sync_offset_lock);
+
+        beacon->meshconf->meshconf_cap = ifmsh->adjusting_tbtt ?
+                        IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING | cap :
+                        ~IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING & cap;
 }
 
 static const struct sync_method sync_methods[] = {