diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index ff059e1..aa1dd92 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -380,6 +380,9 @@
 	 * can't change.
 	 */
 
+	if (skb->pkt_type == PACKET_OTHERHOST)
+		goto abort_kfree;
+
 	if (sk->sk_state & PPPOX_BOUND) {
 		ppp_input(&po->chan, skb);
 	} else if (sk->sk_state & PPPOX_RELAY) {