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[PATCH 1/4] mac80211: mesh: flush stations before beacons are stopped

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From: Maital Hahn <maitalm@xxxxxx>

Some drivers (e.g. wl18xx) expect that the last stage in the
de-initialization process will be stopping the beacons, similar to ap.
Update ieee80211_stop_mesh() flow accordingly.

Signed-off-by: Maital Hahn <maitalm@xxxxxx>
Acked-by: Yaniv Machani <yanivma@xxxxxx>
---
 net/mac80211/mesh.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 21b1fdf..9214bc1 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -896,20 +896,22 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 
 	netif_carrier_off(sdata->dev);
 
+	/* flush STAs and mpaths on this iface */
+	sta_info_flush(sdata);
+	mesh_path_flush_by_iface(sdata);
+
 	/* stop the beacon */
 	ifmsh->mesh_id_len = 0;
 	sdata->vif.bss_conf.enable_beacon = false;
 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
+
+	/* remove beacon */
 	bcn = rcu_dereference_protected(ifmsh->beacon,
 					lockdep_is_held(&sdata->wdev.mtx));
 	RCU_INIT_POINTER(ifmsh->beacon, NULL);
 	kfree_rcu(bcn, rcu_head);
 
-	/* flush STAs and mpaths on this iface */
-	sta_info_flush(sdata);
-	mesh_path_flush_by_iface(sdata);
-
 	/* free all potentially still buffered group-addressed frames */
 	local->total_ps_buffered -= skb_queue_len(&ifmsh->ps.bc_buf);
 	skb_queue_purge(&ifmsh->ps.bc_buf);
-- 
2.9.0

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