1 files changed, 4 insertions, 0 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 1d1fd04c9c3a..78eddc9067e6 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -1076,6 +1076,10 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 
         spin_unlock_bh(&orig_node->bcast_seqno_lock);
 
+        /* check whether this has been sent by another originator before */
+        if (bla_check_bcast_duplist(bat_priv, bcast_packet, hdr_size))
+                goto out;
+
         /* rebroadcast packet */
         add_bcast_packet_to_list(bat_priv, skb, 1);