1 files changed, 13 insertions, 23 deletions

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 794734f1d23..80643e6b346 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -632,10 +632,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	if (final_p)
 		ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
-		dst_release(dst);
+	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
 		goto failure;
-	}
 
 	if (saddr == NULL) {
 		saddr = &fl.fl6_src;
@@ -849,7 +847,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
 	if (dst == NULL) {
 		opt = np->opt;
 		if (opt == NULL &&
-		    np->rxopt.bits.srcrt == 2 &&
+		    np->rxopt.bits.osrcrt == 2 &&
 		    treq->pktopts) {
 			struct sk_buff *pktopts = treq->pktopts;
 			struct inet6_skb_parm *rxopt = IP6CB(pktopts);
@@ -888,7 +886,6 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
 	}
 
 done:
-	dst_release(dst);
         if (opt && opt != np->opt)
 		sock_kfree_s(sk, opt, opt->tot_len);
 	return err;
@@ -915,11 +912,10 @@ static int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb)
 	struct inet6_skb_parm *opt = IP6CB(skb);
 
 	if (np->rxopt.all) {
-		if ((opt->hop && np->rxopt.bits.hopopts) ||
-		    ((IPV6_FLOWINFO_MASK&*(u32*)skb->nh.raw) &&
-		     np->rxopt.bits.rxflow) ||
-		    (opt->srcrt && np->rxopt.bits.srcrt) ||
-		    ((opt->dst1 || opt->dst0) && np->rxopt.bits.dstopts))
+		if ((opt->hop && (np->rxopt.bits.hopopts || np->rxopt.bits.ohopopts)) ||
+		    ((IPV6_FLOWINFO_MASK & *(u32*)skb->nh.raw) && np->rxopt.bits.rxflow) ||
+		    (opt->srcrt && (np->rxopt.bits.srcrt || np->rxopt.bits.osrcrt)) ||
+		    ((opt->dst1 || opt->dst0) && (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts)))
 			return 1;
 	}
 	return 0;
@@ -1001,10 +997,8 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
 	/* sk = NULL, but it is safe for now. RST socket required. */
 	if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
 
-		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
-			dst_release(buff->dst);
+		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
 			return;
-		}
 
 		ip6_xmit(NULL, buff, &fl, NULL, 0);
 		TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
@@ -1068,10 +1062,8 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
 	fl.fl_ip_sport = t1->source;
 
 	if (!ip6_dst_lookup(NULL, &buff->dst, &fl)) {
-		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0) {
-			dst_release(buff->dst);
+		if ((xfrm_lookup(&buff->dst, &fl, NULL, 0)) < 0)
 			return;
-		}
 		ip6_xmit(NULL, buff, &fl, NULL, 0);
 		TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
 		return;
@@ -1190,8 +1182,8 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
 	TCP_ECN_create_request(req, skb->h.th);
 	treq->pktopts = NULL;
 	if (ipv6_opt_accepted(sk, skb) ||
-	    np->rxopt.bits.rxinfo ||
-	    np->rxopt.bits.rxhlim) {
+	    np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
+	    np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) {
 		atomic_inc(&skb->users);
 		treq->pktopts = skb;
 	}
@@ -1288,7 +1280,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	if (sk_acceptq_is_full(sk))
 		goto out_overflow;
 
-	if (np->rxopt.bits.srcrt == 2 &&
+	if (np->rxopt.bits.osrcrt == 2 &&
 	    opt == NULL && treq->pktopts) {
 		struct inet6_skb_parm *rxopt = IP6CB(treq->pktopts);
 		if (rxopt->srcrt)
@@ -1544,9 +1536,9 @@ ipv6_pktoptions:
 	tp = tcp_sk(sk);
 	if (TCP_SKB_CB(opt_skb)->end_seq == tp->rcv_nxt &&
 	    !((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN))) {
-		if (np->rxopt.bits.rxinfo)
+		if (np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo)
 			np->mcast_oif = inet6_iif(opt_skb);
-		if (np->rxopt.bits.rxhlim)
+		if (np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim)
 			np->mcast_hops = opt_skb->nh.ipv6h->hop_limit;
 		if (ipv6_opt_accepted(sk, opt_skb)) {
 			skb_set_owner_r(opt_skb, sk);
@@ -1734,7 +1726,6 @@ static int tcp_v6_rebuild_header(struct sock *sk)
 
 		if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
 			sk->sk_err_soft = -err;
-			dst_release(dst);
 			return err;
 		}
 
@@ -1787,7 +1778,6 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
 
 		if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0) {
 			sk->sk_route_caps = 0;
-			dst_release(dst);
 			return err;
 		}