Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [IPV4]: Increment ipInHdrErrors when TTL expires.
  [TCP]: continued: reno sacked_out count fix
  [DCCP] Ackvec: fix soft lockup in ackvec handling code

net/dccp/ackvec.c

@@ -452,6 +452,7 @@ static void dccp_ackvec_check_rcv_ackvector(struct dccp_ackvec *av,
 					      (unsigned long long)
 					      avr->dccpavr_ack_ackno);
 				dccp_ackvec_throw_record(av, avr);
+				break;
 			}
 			/*
 			 * If it wasn't received, continue scanning... we might

net/ipv4/ip_forward.c

@@ -116,6 +116,7 @@ int ip_forward(struct sk_buff *skb)
 
 too_many_hops:
         /* Tell the sender its packet died... */
+        IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
         icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
 drop:
 	kfree_skb(skb);

net/ipv4/tcp_input.c

@@ -1649,7 +1649,7 @@ static void tcp_update_scoreboard(struct sock *sk, struct tcp_sock *tp)
 	 * Hence, we can detect timed out packets during fast
 	 * retransmit without falling to slow start.
 	 */
-	if (tcp_head_timedout(sk, tp)) {
+	if (!IsReno(tp) && tcp_head_timedout(sk, tp)) {
 		struct sk_buff *skb;
 
 		skb = tp->scoreboard_skb_hint ? tp->scoreboard_skb_hint
@@ -1662,8 +1662,6 @@ static void tcp_update_scoreboard(struct sock *sk, struct tcp_sock *tp)
 			if (!(TCP_SKB_CB(skb)->sacked&TCPCB_TAGBITS)) {
 				TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
 				tp->lost_out += tcp_skb_pcount(skb);
-				if (IsReno(tp))
-					tcp_remove_reno_sacks(sk, tp, tcp_skb_pcount(skb) + 1);
 
 				/* clear xmit_retrans hint */
 				if (tp->retransmit_skb_hint &&