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[PATCH] Revert "mac80211: keep sending peer candidate events while in listen state"

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This reverts commit 2ae70efcea7a695a62bb47170d3fb16674b8dbea.

The new peer events that are generated by the change are causing problems
with wpa_supplicant in userspace: wpa_s tries to restart SAE authentication
with the peer when receiving the event, even though authentication may be in
progress already, and it gets very confused.

Revert back to the original operating mode, which is to only get events when
there is no corresponding station entry.

Cc: Nishikawa, Kenzoh <Kenzoh.Nishikawa@xxxxxxxxxxx>
Cc: Masashi Honma <masashi.honma@xxxxxxxxx>
Signed-off-by: Bob Copeland <me@xxxxxxxxxxxxxxx>

---
As for the original patch purpose, I think the right thing to do
is just run a timer in userspace to restart peering for open
mesh (we already have something like this for AMPE).  If peering
doesn't complete after a few tries, either mark it blocked or just
delete the station and start getting events again, if the peer is
in fact alive.

 net/mac80211/mesh_plink.c |    7 -------
 1 file changed, 7 deletions(-)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index fa94ca1..b488e18 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -523,13 +523,6 @@ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata,
 	    sdata->u.mesh.mshcfg.auto_open_plinks &&
 	    rssi_threshold_check(sdata, sta))
 		changed = mesh_plink_open(sta);
-	else if (sta->plink_state == NL80211_PLINK_LISTEN &&
-		 (sdata->u.mesh.user_mpm ||
-		  sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED))
-		cfg80211_notify_new_peer_candidate(sdata->dev, hw_addr,
-						   elems->ie_start,
-						   elems->total_len,
-						   GFP_ATOMIC);
 
 	ieee80211_mps_frame_release(sta, elems);
 out:
-- 
1.7.10.4

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