31 files changed, 119 insertions, 110 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index dc206f1f914f..0a277453526b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1257,7 +1257,7 @@ out_unregister_udp_proto:
         goto out;
 }
 
-module_init(inet_init);
+fs_initcall(inet_init);
 
 /* ------------------------------------------------------------------------ */
 
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 041dadde31af..4749d504c629 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -928,7 +928,8 @@ static void parp_redo(struct sk_buff *skb)
  *      Receive an arp request from the device layer.
  */
 
-int arp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
+                   struct packet_type *pt, struct net_device *orig_dev)
 {
         struct arphdr *arp;
 
@@ -1417,7 +1418,6 @@ static int __init arp_proc_init(void)
 
 EXPORT_SYMBOL(arp_broken_ops);
 EXPORT_SYMBOL(arp_find);
-EXPORT_SYMBOL(arp_rcv);
 EXPORT_SYMBOL(arp_create);
 EXPORT_SYMBOL(arp_xmit);
 EXPORT_SYMBOL(arp_send);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 81c2f7885292..54419b27686f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1556,7 +1556,6 @@ void __init devinet_init(void)
 #endif
 }
 
-EXPORT_SYMBOL(devinet_ioctl);
 EXPORT_SYMBOL(in_dev_finish_destroy);
 EXPORT_SYMBOL(inet_select_addr);
 EXPORT_SYMBOL(inetdev_by_index);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 4e3d3811dea2..cdde96390960 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -666,4 +666,3 @@ void __init ip_fib_init(void)
 }
 
 EXPORT_SYMBOL(inet_addr_type);
-EXPORT_SYMBOL(ip_rt_ioctl);
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index ef7366fc132f..ee9b5515b9ae 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -43,8 +43,6 @@ struct inet_bind_bucket *inet_bind_bucket_create(kmem_cache_t *cachep,
         return tb;
 }
 
-EXPORT_SYMBOL(inet_bind_bucket_create);
-
 /*
  * Caller must hold hashbucket lock for this tb with local BH disabled
  */
@@ -64,8 +62,6 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
         inet_csk(sk)->icsk_bind_hash = tb;
 }
 
-EXPORT_SYMBOL(inet_bind_hash);
-
 /*
  * Get rid of any references to a local port held by the given sock.
  */
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/ip_output.c b/net/ipv4/ip_output.c
index 8dcba3887f04..cff9c3a72daf 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -904,7 +904,7 @@ alloc_new_skb:
                          * because we have no idea what fragment will be
                          * the last.
                          */
-                        if (datalen == length)
+                        if (datalen == length + fraggap)
                                 alloclen += rt->u.dst.trailer_len;
 
                         if (transhdrlen) {
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 04a429465665..95278b22b669 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -210,7 +210,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
             skb->h.icmph->code != ICMP_FRAG_NEEDED)
                 return;
 
-        spi = ntohl(ntohs(ipch->cpi));
+        spi = htonl(ntohs(ipch->cpi));
         x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr,
                               spi, IPPROTO_COMP, AF_INET);
         if (!x)
@@ -290,11 +290,8 @@ static void ipcomp_free_scratches(void)
         if (!scratches)
                 return;
 
-        for_each_possible_cpu(i) {
-                void *scratch = *per_cpu_ptr(scratches, i);
-                if (scratch)
-                        vfree(scratch);
-        }
+        for_each_possible_cpu(i)
+                vfree(*per_cpu_ptr(scratches, i));
 
         free_percpu(scratches);
 }
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index c60fd5c4ea1e..d4072533da21 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -170,8 +170,8 @@ config IP_NF_PPTP
           Documentation/modules.txt.  If unsure, say `N'.
 
 config IP_NF_H323
-        tristate  'H.323 protocol support'
-        depends on IP_NF_CONNTRACK
+        tristate  'H.323 protocol support (EXPERIMENTAL)'
+        depends on IP_NF_CONNTRACK && EXPERIMENTAL
         help
           H.323 is a VoIP signalling protocol from ITU-T. As one of the most
           important VoIP protocols, it is widely used by voice hardware and
@@ -345,7 +345,7 @@ config IP_NF_TARGET_LOG
           To compile it as a module, choose M here.  If unsure, say N.
 
 config IP_NF_TARGET_ULOG
-        tristate "ULOG target support (OBSOLETE)"
+        tristate "ULOG target support"
         depends on IP_NF_IPTABLES
         ---help---
 
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index c2d92f99a2b8..d0d19192026d 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -948,7 +948,7 @@ static int do_add_counters(void __user *user, unsigned int len)
 
         write_lock_bh(&t->lock);
         private = t->private;
-        if (private->number != paddc->num_counters) {
+        if (private->number != tmp.num_counters) {
                 ret = -EINVAL;
                 goto unlock_up_free;
         }
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 979a2eac6f00..a297da7bbef5 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -1318,6 +1318,7 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
                         .tuple.dst.u.tcp.port;
                 sin.sin_addr.s_addr = ct->tuplehash[IP_CT_DIR_ORIGINAL]
                         .tuple.dst.ip;
+                memset(sin.sin_zero, 0, sizeof(sin.sin_zero));
 
                 DEBUGP("SO_ORIGINAL_DST: %u.%u.%u.%u %u\n",
                        NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port));
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..26dfecadb335 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.
  *
@@ -528,14 +528,15 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level)
 
                         /* Decode */
                         if ((err = (Decoders[son->type]) (bs, son, base,
-                                                          level + 1)) >
-                            H323_ERROR_STOP)
+                                                          level + 1)) <
+                            H323_ERROR_NONE)
                                 return err;
 
                         bs->cur = beg + len;
                         bs->bit = 0;
                 } else if ((err = (Decoders[son->type]) (bs, son, base,
-                                                         level + 1)))
+                                                         level + 1)) <
+                           H323_ERROR_NONE)
                         return err;
         }
 
@@ -554,7 +555,7 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level)
 
         /* Decode the extension components */
         for (opt = 0; opt < bmp2_len; opt++, i++, son++) {
-                if (son->attr & STOP) {
+                if (i < f->ub && son->attr & STOP) {
                         PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ",
                               son->name);
                         return H323_ERROR_STOP;
@@ -584,8 +585,8 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level)
                 beg = bs->cur;
 
                 if ((err = (Decoders[son->type]) (bs, son, base,
-                                                  level + 1)) >
-                    H323_ERROR_STOP)
+                                                  level + 1)) <
+                    H323_ERROR_NONE)
                         return err;
 
                 bs->cur = beg + len;
@@ -660,18 +661,20 @@ int decode_seqof(bitstr_t * bs, field_t * f, char *base, int level)
                                                           i <
                                                           effective_count ?
                                                           base : NULL,
-                                                          level + 1)) >
-                            H323_ERROR_STOP)
+                                                          level + 1)) <
+                            H323_ERROR_NONE)
                                 return err;
 
                         bs->cur = beg + len;
                         bs->bit = 0;
                 } else
-                    if ((err = (Decoders[son->type]) (bs, son,
-                                                      i < effective_count ?
-                                                      base : NULL,
-                                                      level + 1)))
-                        return err;
+                        if ((err = (Decoders[son->type]) (bs, son,
+                                                          i <
+                                                          effective_count ?
+                                                          base : NULL,
+                                                          level + 1)) <
+                            H323_ERROR_NONE)
+                                return err;
 
                 if (base)
                         base += son->offset;
@@ -703,6 +706,10 @@ 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 +719,6 @@ 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) {
@@ -735,13 +738,14 @@ int decode_choice(bitstr_t * bs, field_t * f, char *base, int level)
                 }
                 beg = bs->cur;
 
-                if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) >
-                    H323_ERROR_STOP)
+                if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) <
+                    H323_ERROR_NONE)
                         return err;
 
                 bs->cur = beg + len;
                 bs->bit = 0;
-        } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1)))
+        } else if ((err = (Decoders[son->type]) (bs, son, base, level + 1)) <
+                   H323_ERROR_NONE)
                 return err;
 
         return H323_ERROR_NONE;
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
index 7d3ba4302e9e..8ccfe17bb253 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_pptp.c
@@ -469,8 +469,8 @@ pptp_inbound_pkt(struct sk_buff **pskb,
                         DEBUGP("%s but no session\n", pptp_msg_name[msg]);
                         break;
                 }
-                if (info->sstate != PPTP_CALL_IN_REP
-                    && info->sstate != PPTP_CALL_IN_CONF) {
+                if (info->cstate != PPTP_CALL_IN_REP
+                    && info->cstate != PPTP_CALL_IN_CONF) {
                         DEBUGP("%s but never sent IN_CALL_REPLY\n",
                                 pptp_msg_name[msg]);
                         break;
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
index 5259abd0fb42..0416073c5600 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_sctp.c
@@ -235,12 +235,15 @@ static int do_basic_checks(struct ip_conntrack *conntrack,
                         flag = 1;
                 }
 
-                /* Cookie Ack/Echo chunks not the first OR 
-                   Init / Init Ack / Shutdown compl chunks not the only chunks */
-                if ((sch->type == SCTP_CID_COOKIE_ACK 
+                /*
+                 * Cookie Ack/Echo chunks not the first OR
+                 * Init / Init Ack / Shutdown compl chunks not the only chunks
+                 * OR zero-length.
+                 */
+                if (((sch->type == SCTP_CID_COOKIE_ACK
                         || sch->type == SCTP_CID_COOKIE_ECHO
                         || flag)
-                     && count !=0 ) {
+                      && count !=0) || !sch->length) {
                         DEBUGP("Basic checks failed\n");
                         return 1;
                 }
diff --git a/net/ipv4/netfilter/ip_nat_proto_gre.c b/net/ipv4/netfilter/ip_nat_proto_gre.c
index 6c4899d8046a..96ceabaec402 100644
--- a/net/ipv4/netfilter/ip_nat_proto_gre.c
+++ b/net/ipv4/netfilter/ip_nat_proto_gre.c
@@ -49,15 +49,15 @@ gre_in_range(const struct ip_conntrack_tuple *tuple,
              const union ip_conntrack_manip_proto *min,
              const union ip_conntrack_manip_proto *max)
 {
-        u_int32_t key;
+        __be16 key;
 
         if (maniptype == IP_NAT_MANIP_SRC)
                 key = tuple->src.u.gre.key;
         else
                 key = tuple->dst.u.gre.key;
 
-        return ntohl(key) >= ntohl(min->gre.key)
-                && ntohl(key) <= ntohl(max->gre.key);
+        return ntohs(key) >= ntohs(min->gre.key)
+                && ntohs(key) <= ntohs(max->gre.key);
 }
 
 /* generate unique tuple ... */
@@ -81,14 +81,14 @@ gre_unique_tuple(struct ip_conntrack_tuple *tuple,
                 min = 1;
                 range_size = 0xffff;
         } else {
-                min = ntohl(range->min.gre.key);
-                range_size = ntohl(range->max.gre.key) - min + 1;
+                min = ntohs(range->min.gre.key);
+                range_size = ntohs(range->max.gre.key) - min + 1;
         }
 
         DEBUGP("min = %u, range_size = %u\n", min, range_size); 
 
         for (i = 0; i < range_size; i++, key++) {
-                *keyptr = htonl(min + key % range_size);
+                *keyptr = htons(min + key % range_size);
                 if (!ip_nat_used_tuple(tuple, conntrack))
                         return 1;
         }
diff --git a/net/ipv4/netfilter/ip_nat_snmp_basic.c b/net/ipv4/netfilter/ip_nat_snmp_basic.c
index c62253845538..c33244263b90 100644
--- a/net/ipv4/netfilter/ip_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/ip_nat_snmp_basic.c
@@ -768,6 +768,7 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
                         len *= sizeof(unsigned long);
                         *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
                         if (*obj == NULL) {
+                                kfree(lp);
                                 kfree(id);
                                 if (net_ratelimit())
                                         printk("OOM in bsalg (%d)\n", __LINE__);
@@ -1003,12 +1004,12 @@ static unsigned char snmp_trap_decode(struct asn1_ctx *ctx,
                 
         return 1;
 
+err_addr_free:
+        kfree((unsigned long *)trap->ip_address);
+
 err_id_free:
         kfree(trap->id);
 
-err_addr_free:
-        kfree((unsigned long *)trap->ip_address);
-        
         return 0;
 }
 
@@ -1126,11 +1127,10 @@ static int snmp_parse_mangle(unsigned char *msg,
                 struct snmp_v1_trap trap;
                 unsigned char ret = snmp_trap_decode(&ctx, &trap, map, check);
                 
-                /* Discard trap allocations regardless */
-                kfree(trap.id);
-                kfree((unsigned long *)trap.ip_address);
-                
-                if (!ret)
+                if (ret) {
+                        kfree(trap.id);
+                        kfree((unsigned long *)trap.ip_address);
+                } else 
                         return ret;
                 
         } else {
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 d25ac8ba6eba..cee3397ec277 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -956,15 +956,16 @@ struct compat_ipt_standard_target
         compat_int_t verdict;
 };
 
-#define IPT_ST_OFFSET   (sizeof(struct ipt_standard_target) - \
-                                sizeof(struct compat_ipt_standard_target))
-
 struct compat_ipt_standard
 {
         struct compat_ipt_entry entry;
         struct compat_ipt_standard_target target;
 };
 
+#define IPT_ST_LEN              XT_ALIGN(sizeof(struct ipt_standard_target))
+#define IPT_ST_COMPAT_LEN       COMPAT_XT_ALIGN(sizeof(struct compat_ipt_standard_target))
+#define IPT_ST_OFFSET           (IPT_ST_LEN - IPT_ST_COMPAT_LEN)
+
 static int compat_ipt_standard_fn(void *target,
                 void **dstptr, int *size, int convert)
 {
@@ -975,35 +976,29 @@ static int compat_ipt_standard_fn(void *target,
         ret = 0;
         switch (convert) {
                 case COMPAT_TO_USER:
-                        pst = (struct ipt_standard_target *)target;
+                        pst = target;
                         memcpy(&compat_st.target, &pst->target,
-                                        sizeof(struct ipt_entry_target));
+                                sizeof(compat_st.target));
                         compat_st.verdict = pst->verdict;
                         if (compat_st.verdict > 0)
                                 compat_st.verdict -=
                                         compat_calc_jump(compat_st.verdict);
-                        compat_st.target.u.user.target_size =
-                        sizeof(struct compat_ipt_standard_target);
-                        if (__copy_to_user(*dstptr, &compat_st,
-                                sizeof(struct compat_ipt_standard_target)))
+                        compat_st.target.u.user.target_size = IPT_ST_COMPAT_LEN;
+                        if (copy_to_user(*dstptr, &compat_st, IPT_ST_COMPAT_LEN))
                                 ret = -EFAULT;
                         *size -= IPT_ST_OFFSET;
-                        *dstptr += sizeof(struct compat_ipt_standard_target);
+                        *dstptr += IPT_ST_COMPAT_LEN;
                         break;
                 case COMPAT_FROM_USER:
-                        pcompat_st =
-                                (struct compat_ipt_standard_target *)target;
-                        memcpy(&st.target, &pcompat_st->target,
-                                        sizeof(struct ipt_entry_target));
+                        pcompat_st = target;
+                        memcpy(&st.target, &pcompat_st->target, IPT_ST_COMPAT_LEN);
                         st.verdict = pcompat_st->verdict;
                         if (st.verdict > 0)
                                 st.verdict += compat_calc_jump(st.verdict);
-                        st.target.u.user.target_size =
-                        sizeof(struct ipt_standard_target);
-                        memcpy(*dstptr, &st,
-                                        sizeof(struct ipt_standard_target));
+                        st.target.u.user.target_size = IPT_ST_LEN;
+                        memcpy(*dstptr, &st, IPT_ST_LEN);
                         *size += IPT_ST_OFFSET;
-                        *dstptr += sizeof(struct ipt_standard_target);
+                        *dstptr += IPT_ST_LEN;
                         break;
                 case COMPAT_CALC_SIZE:
                         *size += IPT_ST_OFFSET;
@@ -1446,7 +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);
@@ -1464,9 +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/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 39fd4c2a2386..b98f7b08b084 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -428,7 +428,7 @@ ipt_log_target(struct sk_buff **pskb,
 
         if (loginfo->logflags & IPT_LOG_NFLOG)
                 nf_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
-                              loginfo->prefix);
+                              "%s", loginfo->prefix);
         else
                 ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
                                loginfo->prefix);
diff --git a/net/ipv4/netfilter/ipt_recent.c b/net/ipv4/netfilter/ipt_recent.c
index 143843285702..b847ee409efb 100644
--- a/net/ipv4/netfilter/ipt_recent.c
+++ b/net/ipv4/netfilter/ipt_recent.c
@@ -821,6 +821,7 @@ checkentry(const char *tablename,
         /* Create our proc 'status' entry. */
         curr_table->status_proc = create_proc_entry(curr_table->name, ip_list_perms, proc_net_ipt_recent);
         if (!curr_table->status_proc) {
+                vfree(hold);
                 printk(KERN_INFO RECENT_NAME ": checkentry: unable to allocate for /proc entry.\n");
                 /* Destroy the created table */
                 spin_lock_bh(&recent_lock);
@@ -845,7 +846,6 @@ checkentry(const char *tablename,
                 spin_unlock_bh(&recent_lock);
                 vfree(curr_table->time_info);
                 vfree(curr_table->hash_table);
-                vfree(hold);
                 vfree(curr_table->table);
                 vfree(curr_table);
                 return 0;
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 5bc9f64d7b5b..77d974443c7b 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -348,6 +348,7 @@ getorigdst(struct sock *sk, int optval, void __user *user, int *len)
                         .tuple.dst.u.tcp.port;
                 sin.sin_addr.s_addr = ct->tuplehash[IP_CT_DIR_ORIGINAL]
                         .tuple.dst.u3.ip;
+                memset(sin.sin_zero, 0, sizeof(sin.sin_zero));
 
                 DEBUGP("SO_ORIGINAL_DST: %u.%u.%u.%u %u\n",
                        NIPQUAD(sin.sin_addr.s_addr), ntohs(sin.sin_port));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index ff434821909f..cc9423de7311 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2741,7 +2741,10 @@ int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
         /* Reserve room for dummy headers, this skb can pass
            through good chunk of routing engine.
          */
-        skb->mac.raw = skb->data;
+        skb->mac.raw = skb->nh.raw = skb->data;
+
+        /* Bugfix: need to give ip_route_input enough of an IP header to not gag. */
+        skb->nh.iph->protocol = IPPROTO_ICMP;
         skb_reserve(skb, MAX_HEADER + sizeof(struct iphdr));
 
         if (rta[RTA_SRC - 1])
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..ba7c63ca5bb1 100644
--- a/net/ipv4/tcp_highspeed.c
+++ b/net/ipv4/tcp_highspeed.c
@@ -135,10 +135,11 @@ static void hstcp_cong_avoid(struct sock *sk, u32 adk, u32 rtt,
 
                 /* Do additive increase */
                 if (tp->snd_cwnd < tp->snd_cwnd_clamp) {
-                        tp->snd_cwnd_cnt += ca->ai;
+                        /* cwnd = cwnd + a(w) / cwnd */
+                        tp->snd_cwnd_cnt += ca->ai + 1;
                         if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
-                                tp->snd_cwnd++;
                                 tp->snd_cwnd_cnt -= tp->snd_cwnd;
+                                tp->snd_cwnd++;
                         }
                 }
         }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 195d83584558..4a538bc1683d 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1662,6 +1662,8 @@ 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 &&
@@ -4559,7 +4561,6 @@ discard:
 
 EXPORT_SYMBOL(sysctl_tcp_ecn);
 EXPORT_SYMBOL(sysctl_tcp_reordering);
-EXPORT_SYMBOL(sysctl_tcp_abc);
 EXPORT_SYMBOL(tcp_parse_options);
 EXPORT_SYMBOL(tcp_rcv_established);
 EXPORT_SYMBOL(tcp_rcv_state_process);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 9e85c0416109..672950e54c49 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1859,5 +1859,4 @@ EXPORT_SYMBOL(tcp_proc_unregister);
 #endif
 EXPORT_SYMBOL(sysctl_local_port_range);
 EXPORT_SYMBOL(sysctl_tcp_low_latency);
-EXPORT_SYMBOL(sysctl_tcp_tw_reuse);
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 9d79546d384e..f33c9dddaa12 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -59,9 +59,6 @@ int sysctl_tcp_tso_win_divisor = 3;
 int sysctl_tcp_mtu_probing = 0;
 int sysctl_tcp_base_mss = 512;
 
-EXPORT_SYMBOL(sysctl_tcp_mtu_probing);
-EXPORT_SYMBOL(sysctl_tcp_base_mss);
-
 static void update_send_head(struct sock *sk, struct tcp_sock *tp,
                              struct sk_buff *skb)
 {
@@ -468,7 +465,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
         TCP_INC_STATS(TCP_MIB_OUTSEGS);
 
         err = icsk->icsk_af_ops->queue_xmit(skb, 0);
-        if (unlikely(err <= 0))
+        if (likely(err <= 0))
                 return err;
 
         tcp_enter_cwr(sk);
@@ -536,6 +533,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
         struct tcp_sock *tp = tcp_sk(sk);
         struct sk_buff *buff;
         int nsize, old_factor;
+        int nlen;
         u16 flags;
 
         BUG_ON(len > skb->len);
@@ -554,7 +552,11 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
         buff = sk_stream_alloc_skb(sk, nsize, GFP_ATOMIC);
         if (buff == NULL)
                 return -ENOMEM; /* We'll just try again later. */
+
         sk_charge_skb(sk, buff);
+        nlen = skb->len - len - nsize;
+        buff->truesize += nlen;
+        skb->truesize -= nlen;
 
         /* Correct the sequence numbers. */
         TCP_SKB_CB(buff)->seq = TCP_SKB_CB(skb)->seq + len;
@@ -640,7 +642,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
  * eventually). The difference is that pulled data not copied, but
  * immediately discarded.
  */
-static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
+static void __pskb_trim_head(struct sk_buff *skb, int len)
 {
         int i, k, eat;
 
@@ -665,7 +667,6 @@ static unsigned char *__pskb_trim_head(struct sk_buff *skb, int len)
         skb->tail = skb->data;
         skb->data_len -= len;
         skb->len = skb->data_len;
-        return skb->tail;
 }
 
 int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
@@ -674,12 +675,11 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
             pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
                 return -ENOMEM;
 
-        if (len <= skb_headlen(skb)) {
+        /* If len == headlen, we avoid __skb_pull to preserve alignment. */
+        if (unlikely(len < skb_headlen(skb)))
                 __skb_pull(skb, len);
-        } else {
-                if (__pskb_trim_head(skb, len-skb_headlen(skb)) == NULL)
-                        return -ENOMEM;
-        }
+        else
+                __pskb_trim_head(skb, len - skb_headlen(skb));
 
         TCP_SKB_CB(skb)->seq += len;
         skb->ip_summed = CHECKSUM_HW;
@@ -1040,7 +1040,8 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
         if (unlikely(buff == NULL))
                 return -ENOMEM;
 
-        buff->truesize = nlen;
+        sk_charge_skb(sk, buff);
+        buff->truesize += nlen;
         skb->truesize -= nlen;
 
         /* Correct the sequence numbers. */
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 32ad229b4fed..4ef8efaf6a67 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -62,7 +62,7 @@ static void xfrm4_encap(struct sk_buff *skb)
         top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
                 0 : (iph->frag_off & htons(IP_DF));
         if (!top_iph->frag_off)
-                __ip_select_ident(top_iph, dst, 0);
+                __ip_select_ident(top_iph, dst->child, 0);
 
         top_iph->ttl = dst_metric(dst->child, RTAX_HOPLIMIT);
 
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index f285bbf296e2..8604c747bca5 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -221,7 +221,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl)
                         if (pskb_may_pull(skb, xprth + 4 - skb->data)) {
                                 u16 *ipcomp_hdr = (u16 *)xprth;
 
-                                fl->fl_ipsec_spi = ntohl(ntohs(ipcomp_hdr[1]));
+                                fl->fl_ipsec_spi = htonl(ntohs(ipcomp_hdr[1]));
                         }
                         break;
                 default: