X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=net%2Fdccp%2Fipv6.c;h=2be5c69824f94423e2f90b97938dd623a4fea9c7;hb=17860ccabff533748c85ea32904abd6bae990099;hp=1f73603913f5aeacdcb2554ed695e51262c0b2ba;hpb=61bb17da44a0b6d079e68872e3569bb3eda17656;p=linux-2.6-microblaze.git

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1f73603913f5..2be5c69824f9 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -319,6 +319,11 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (!ipv6_unicast_destination(skb))
 		return 0;	/* discard, don't send a reset here */
 
+	if (ipv6_addr_v4mapped(&ipv6_hdr(skb)->saddr)) {
+		__IP6_INC_STATS(sock_net(sk), NULL, IPSTATS_MIB_INHDRERRORS);
+		return 0;
+	}
+
 	if (dccp_bad_service_code(sk, service)) {
 		dcb->dccpd_reset_code = DCCP_RESET_CODE_BAD_SERVICE_CODE;
 		goto drop;