[PATCH 7/7] mac80211: Check auth status before attempting to establish a peer link

[Thomas Pedersen <thomas@cozybit.com>]

From: Javier Cardona <javier@cozybit.com>

Signed-off-by: Javier Cardona <javier@cozybit.com>
Tested-by: Thomas Pedersen <thomas@cozybit.com>
---
 net/mac80211/mesh_plink.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 5a845fd..a89a90e 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -378,6 +378,9 @@ int mesh_plink_open(struct sta_info *sta)
 	__le16 llid;
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
 
+	if (!test_sta_flags(sta, WLAN_STA_AUTH))
+		return -EPERM;
+
 	spin_lock_bh(&sta->lock);
 	get_random_bytes(&llid, 2);
 	sta->llid = llid;
@@ -486,7 +489,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		return;
 	}
 
-	if (sta && sta->plink_state == PLINK_BLOCKED) {
+	if (sta && (!test_sta_flags(sta, WLAN_STA_AUTH) ||
+					sta->plink_state == PLINK_BLOCKED)) {
+		mpl_dbg("Mesh plink: blocked or unauthenticated peer\n");
 		rcu_read_unlock();
 		return;
 	}
-- 
1.7.0.4