8 files changed, 24 insertions, 15 deletions

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 18d7fad474d7..c9026dbf4c93 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 9bebad07bf2e..cbcae6544622 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 2c2fb700d835..518f581d39ec 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 48078002e450..355a53a5b6cd 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 8f760b28617e..67e676783da9 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 6d1c11563943..cee3397ec277 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 87f68e787d0c..e2b7b8055037 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 e0e9d1383c7c..b72fa55dfb84 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++;
                         }
                 }
         }