Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

8 files changed, 24 insertions, 15 deletions

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 18d7fad474d..c9026dbf4c9 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -337,7 +337,7 @@ static inline int ip_rcv_finish(struct sk_buff *skb)
 	 *	Initialise the virtual path cache for the packet. It describes
 	 *	how the packet travels inside Linux networking.
 	 */ 
-	if (likely(skb->dst == NULL)) {
+	if (skb->dst == NULL) {
 		int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
 					 skb->dev);
 		if (unlikely(err)) {
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 9bebad07bf2..cbcae654462 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -209,7 +209,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 
 void ip_options_fragment(struct sk_buff * skb) 
 {
-	unsigned char * optptr = skb->nh.raw;
+	unsigned char * optptr = skb->nh.raw + sizeof(struct iphdr);
 	struct ip_options * opt = &(IPCB(skb)->opt);
 	int  l = opt->optlen;
 	int  optlen;
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323.c b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
index 2c2fb700d83..518f581d39e 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
@@ -162,6 +162,8 @@ static int get_tpkt_data(struct sk_buff **pskb, struct ip_conntrack *ct,
 
 	/* Validate TPKT length */
 	tpktlen = tpkt[2] * 256 + tpkt[3];
+	if (tpktlen < 4)
+		goto clear_out;
 	if (tpktlen > tcpdatalen) {
 		if (tcpdatalen == 4) {	/* Separate TPKT header */
 			/* Netmeeting sends TPKT header and data separately */
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
index 48078002e45..355a53a5b6c 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
@@ -2,7 +2,7 @@
  * ip_conntrack_helper_h323_asn1.c - BER and PER decoding library for H.323
  * 			      	     conntrack/NAT module.
  *
- * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@hotmail.com>
+ * Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@users.sourceforge.net>
  *
  * This source code is licensed under General Public License version 2.
  *
@@ -703,6 +703,10 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
 		type = get_bits(bs, f->sz);
 	}
 
+	/* Write Type */
+	if (base)
+		*(unsigned *) base = type;
+
 	/* Check Range */
 	if (type >= f->ub) {	/* Newer version? */
 		BYTE_ALIGN(bs);
@@ -712,10 +716,6 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
 		return H323_ERROR_NONE;
 	}
 
-	/* Write Type */
-	if (base)
-		*(unsigned *) base = type;
-
 	/* Transfer to son level */
 	son = &f->fields[type];
 	if (son->attr & STOP) {
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 8f760b28617..67e676783da 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -219,8 +219,10 @@ ip_nat_out(unsigned int hooknum,
 	   const struct net_device *out,
 	   int (*okfn)(struct sk_buff *))
 {
+#ifdef CONFIG_XFRM
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;
+#endif
 	unsigned int ret;
 
 	/* root is playing with raw sockets. */
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 6d1c1156394..cee3397ec27 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1441,7 +1441,7 @@ static int compat_copy_entry_to_user(struct ipt_entry *e,
 	ret = -EFAULT;
 	origsize = *size;
 	ce = (struct compat_ipt_entry __user *)*dstptr;
-	if (__copy_to_user(ce, e, sizeof(struct ipt_entry)))
+	if (copy_to_user(ce, e, sizeof(struct ipt_entry)))
 		goto out;
 
 	*dstptr += sizeof(struct compat_ipt_entry);
@@ -1459,9 +1459,9 @@ static int compat_copy_entry_to_user(struct ipt_entry *e,
 		goto out;
 	ret = -EFAULT;
 	next_offset = e->next_offset - (origsize - *size);
-	if (__put_user(target_offset, &ce->target_offset))
+	if (put_user(target_offset, &ce->target_offset))
 		goto out;
-	if (__put_user(next_offset, &ce->next_offset))
+	if (put_user(next_offset, &ce->next_offset))
 		goto out;
 	return 0;
 out:
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 87f68e787d0..e2b7b805503 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1468,6 +1468,7 @@ void tcp_close(struct sock *sk, long timeout)
 {
 	struct sk_buff *skb;
 	int data_was_unread = 0;
+	int state;
 
 	lock_sock(sk);
 	sk->sk_shutdown = SHUTDOWN_MASK;
@@ -1544,6 +1545,11 @@ void tcp_close(struct sock *sk, long timeout)
 	sk_stream_wait_close(sk, timeout);
 
 adjudge_to_death:
+	state = sk->sk_state;
+	sock_hold(sk);
+	sock_orphan(sk);
+	atomic_inc(sk->sk_prot->orphan_count);
+
 	/* It is the last release_sock in its life. It will remove backlog. */
 	release_sock(sk);
 
@@ -1555,8 +1561,9 @@ adjudge_to_death:
 	bh_lock_sock(sk);
 	BUG_TRAP(!sock_owned_by_user(sk));
 
-	sock_hold(sk);
-	sock_orphan(sk);
+	/* Have we already been destroyed by a softirq or backlog? */
+	if (state != TCP_CLOSE && sk->sk_state == TCP_CLOSE)
+		goto out;
 
 	/*	This is a (useful) BSD violating of the RFC. There is a
 	 *	problem with TCP as specified in that the other end could
@@ -1584,7 +1591,6 @@ adjudge_to_death:
 			if (tmo > TCP_TIMEWAIT_LEN) {
 				inet_csk_reset_keepalive_timer(sk, tcp_fin_time(sk));
 			} else {
-				atomic_inc(sk->sk_prot->orphan_count);
 				tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
 				goto out;
 			}
@@ -1603,7 +1609,6 @@ adjudge_to_death:
 			NET_INC_STATS_BH(LINUX_MIB_TCPABORTONMEMORY);
 		}
 	}
-	atomic_inc(sk->sk_prot->orphan_count);
 
 	if (sk->sk_state == TCP_CLOSE)
 		inet_csk_destroy_sock(sk);
diff --git a/net/ipv4/tcp_highspeed.c b/net/ipv4/tcp_highspeed.c
index e0e9d1383c7..b72fa55dfb8 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -137,8 +137,8 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
 		if (tp->snd_cwnd < tp->snd_cwnd_clamp) {
 			tp->snd_cwnd_cnt += ca->ai;
 			if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
-				tp->snd_cwnd++;
 				tp->snd_cwnd_cnt -= tp->snd_cwnd;
+				tp->snd_cwnd++;
 			}
 		}
 	}