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

28 files changed, 316 insertions, 90 deletions

diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index ea43dfb774e2..ed705ddad56b 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1874,6 +1874,7 @@ static void ax25_info_stop(struct seq_file *seq, void *v)
 static int ax25_info_show(struct seq_file *seq, void *v)
 {
 	ax25_cb *ax25 = v;
+	char buf[11];
 	int k;
 
 
@@ -1885,13 +1886,13 @@ static int ax25_info_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "%8.8lx %s %s%s ",
 		   (long) ax25,
 		   ax25->ax25_dev == NULL? "???" : ax25->ax25_dev->dev->name,
-		   ax2asc(&ax25->source_addr),
+		   ax2asc(buf, &ax25->source_addr),
 		   ax25->iamdigi? "*":"");
-	seq_printf(seq, "%s", ax2asc(&ax25->dest_addr));
+	seq_printf(seq, "%s", ax2asc(buf, &ax25->dest_addr));
 
 	for (k=0; (ax25->digipeat != NULL) && (k < ax25->digipeat->ndigi); k++) {
 		seq_printf(seq, ",%s%s",
-			   ax2asc(&ax25->digipeat->calls[k]),
+			   ax2asc(buf, &ax25->digipeat->calls[k]),
 			   ax25->digipeat->repeated[k]? "*":"");
 	}
 
diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c
index f4fa6dfb846e..dca179daf415 100644
--- a/net/ax25/ax25_addr.c
+++ b/net/ax25/ax25_addr.c
@@ -36,9 +36,8 @@ ax25_address null_ax25_address = {{0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00}};
 /*
  *	ax25 -> ascii conversion
  */
-char *ax2asc(ax25_address *a)
+char *ax2asc(char *buf, ax25_address *a)
 {
-	static char buf[11];
 	char c, *s;
 	int n;
 
diff --git a/net/ax25/ax25_route.c b/net/ax25/ax25_route.c
index c288526da4ce..26b77d972220 100644
--- a/net/ax25/ax25_route.c
+++ b/net/ax25/ax25_route.c
@@ -298,6 +298,8 @@ static void ax25_rt_seq_stop(struct seq_file *seq, void *v)
 
 static int ax25_rt_seq_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
+
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq, "callsign  dev  mode digipeaters\n");
 	else {
@@ -308,7 +310,7 @@ static int ax25_rt_seq_show(struct seq_file *seq, void *v)
 		if (ax25cmp(&ax25_rt->callsign, &null_ax25_address) == 0)
 			callsign = "default";
 		else
-			callsign = ax2asc(&ax25_rt->callsign);
+			callsign = ax2asc(buf, &ax25_rt->callsign);
 
 		seq_printf(seq, "%-9s %-4s",
 			callsign,
@@ -328,7 +330,8 @@ static int ax25_rt_seq_show(struct seq_file *seq, void *v)
 
 		if (ax25_rt->digipeat != NULL)
 			for (i = 0; i < ax25_rt->digipeat->ndigi; i++)
-				seq_printf(seq, " %s", ax2asc(&ax25_rt->digipeat->calls[i]));
+				seq_printf(seq, " %s",
+				     ax2asc(buf, &ax25_rt->digipeat->calls[i]));
 
 		seq_puts(seq, "\n");
 	}
diff --git a/net/ax25/ax25_uid.c b/net/ax25/ax25_uid.c
index a8b3822f3ee4..d53cc8615865 100644
--- a/net/ax25/ax25_uid.c
+++ b/net/ax25/ax25_uid.c
@@ -168,12 +168,14 @@ static void ax25_uid_seq_stop(struct seq_file *seq, void *v)
 
 static int ax25_uid_seq_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
+
 	if (v == SEQ_START_TOKEN)
 		seq_printf(seq, "Policy: %d\n", ax25_uid_policy);
 	else {
 		struct ax25_uid_assoc *pt = v;
 
-		seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(&pt->call));
+		seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call));
 	}
 	return 0;
 }
diff --git a/net/core/sock.c b/net/core/sock.c
index c13594579bfb..ac63b56e23b2 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -341,11 +341,11 @@ set_rcvbuf:
 				sock_reset_flag(sk, SOCK_LINGER);
 			else {
 #if (BITS_PER_LONG == 32)
-				if (ling.l_linger >= MAX_SCHEDULE_TIMEOUT/HZ)
+				if ((unsigned int)ling.l_linger >= MAX_SCHEDULE_TIMEOUT/HZ)
 					sk->sk_lingertime = MAX_SCHEDULE_TIMEOUT;
 				else
 #endif
-					sk->sk_lingertime = ling.l_linger * HZ;
+					sk->sk_lingertime = (unsigned int)ling.l_linger * HZ;
 				sock_set_flag(sk, SOCK_LINGER);
 			}
 			break;
@@ -1529,6 +1529,8 @@ EXPORT_SYMBOL(proto_register);
 void proto_unregister(struct proto *prot)
 {
 	write_lock(&proto_list_lock);
+	list_del(&prot->node);
+	write_unlock(&proto_list_lock);
 
 	if (prot->slab != NULL) {
 		kmem_cache_destroy(prot->slab);
@@ -1550,9 +1552,6 @@ void proto_unregister(struct proto *prot)
 		kfree(name);
 		prot->twsk_slab = NULL;
 	}
-
-	list_del(&prot->node);
-	write_unlock(&proto_list_lock);
 }
 
 EXPORT_SYMBOL(proto_unregister);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 9e6e683cc34d..e7d26d9943c2 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -457,7 +457,7 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 
 	if (pskb_pull(skb, ihl) == NULL)
 		goto err;
-	if (pskb_trim(skb, end-offset))
+	if (pskb_trim_rcsum(skb, end-offset))
 		goto err;
 
 	/* Find out which fragments are in front and at the back of us
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index e046f5521814..30aa8e2ee214 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -34,6 +34,7 @@ config IP_NF_CT_ACCT
 
 config IP_NF_CONNTRACK_MARK
 	bool  'Connection mark tracking support'
+	depends on IP_NF_CONNTRACK
 	help
 	  This option enables support for connection marks, used by the
 	  `CONNMARK' target and `connmark' match. Similar to the mark value
@@ -85,6 +86,25 @@ config IP_NF_IRC
 
 	  To compile it as a module, choose M here.  If unsure, say Y.
 
+config IP_NF_NETBIOS_NS
+	tristate "NetBIOS name service protocol support (EXPERIMENTAL)"
+	depends on IP_NF_CONNTRACK && EXPERIMENTAL
+	help
+	  NetBIOS name service requests are sent as broadcast messages from an
+	  unprivileged port and responded to with unicast messages to the
+	  same port. This make them hard to firewall properly because connection
+	  tracking doesn't deal with broadcasts. This helper tracks locally
+	  originating NetBIOS name service requests and the corresponding
+	  responses. It relies on correct IP address configuration, specifically
+	  netmask and broadcast address. When properly configured, the output
+	  of "ip address show" should look similar to this:
+
+	  $ ip -4 address show eth0
+	  4: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
+	      inet 172.16.2.252/24 brd 172.16.2.255 scope global eth0
+	  
+	  To compile it as a module, choose M here.  If unsure, say N.
+
 config IP_NF_TFTP
 	tristate "TFTP protocol support"
 	depends on IP_NF_CONNTRACK
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index a7bd38f50522..1ba0db746817 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_IP_NF_AMANDA) += ip_conntrack_amanda.o
 obj-$(CONFIG_IP_NF_TFTP) += ip_conntrack_tftp.o
 obj-$(CONFIG_IP_NF_FTP) += ip_conntrack_ftp.o
 obj-$(CONFIG_IP_NF_IRC) += ip_conntrack_irc.o
+obj-$(CONFIG_IP_NF_NETBIOS_NS) += ip_conntrack_netbios_ns.o
 
 # NAT helpers 
 obj-$(CONFIG_IP_NF_NAT_AMANDA) += ip_nat_amanda.o
diff --git a/net/ipv4/netfilter/ip_conntrack_amanda.c b/net/ipv4/netfilter/ip_conntrack_amanda.c
index be4c9eb3243f..dc20881004bc 100644
--- a/net/ipv4/netfilter/ip_conntrack_amanda.c
+++ b/net/ipv4/netfilter/ip_conntrack_amanda.c
@@ -108,6 +108,7 @@ static int help(struct sk_buff **pskb,
 		}
 
 		exp->expectfn = NULL;
+		exp->flags = 0;
 
 		exp->tuple.src.ip = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.ip;
 		exp->tuple.src.u.tcp.port = 0;
diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index a0648600190e..19cba16e6e1e 100644
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -197,7 +197,7 @@ ip_ct_invert_tuple(struct ip_conntrack_tuple *inverse,
 
 
 /* ip_conntrack_expect helper functions */
-static void unlink_expect(struct ip_conntrack_expect *exp)
+void ip_ct_unlink_expect(struct ip_conntrack_expect *exp)
 {
 	ASSERT_WRITE_LOCK(&ip_conntrack_lock);
 	IP_NF_ASSERT(!timer_pending(&exp->timeout));
@@ -207,18 +207,12 @@ static void unlink_expect(struct ip_conntrack_expect *exp)
 	ip_conntrack_expect_put(exp);
 }
 
-void __ip_ct_expect_unlink_destroy(struct ip_conntrack_expect *exp)
-{
-	unlink_expect(exp);
-	ip_conntrack_expect_put(exp);
-}
-
 static void expectation_timed_out(unsigned long ul_expect)
 {
 	struct ip_conntrack_expect *exp = (void *)ul_expect;
 
 	write_lock_bh(&ip_conntrack_lock);
-	unlink_expect(exp);
+	ip_ct_unlink_expect(exp);
 	write_unlock_bh(&ip_conntrack_lock);
 	ip_conntrack_expect_put(exp);
 }
@@ -264,10 +258,14 @@ find_expectation(const struct ip_conntrack_tuple *tuple)
 		   master ct never got confirmed, we'd hold a reference to it
 		   and weird things would happen to future packets). */
 		if (ip_ct_tuple_mask_cmp(tuple, &i->tuple, &i->mask)
-		    && is_confirmed(i->master)
-		    && del_timer(&i->timeout)) {
-			unlink_expect(i);
-			return i;
+		    && is_confirmed(i->master)) {
+			if (i->flags & IP_CT_EXPECT_PERMANENT) {
+				atomic_inc(&i->use);
+				return i;
+			} else if (del_timer(&i->timeout)) {
+				ip_ct_unlink_expect(i);
+				return i;
+			}
 		}
 	}
 	return NULL;
@@ -284,7 +282,7 @@ void ip_ct_remove_expectations(struct ip_conntrack *ct)
 
 	list_for_each_entry_safe(i, tmp, &ip_conntrack_expect_list, list) {
 		if (i->master == ct && del_timer(&i->timeout)) {
-			unlink_expect(i);
+			ip_ct_unlink_expect(i);
 			ip_conntrack_expect_put(i);
 		}
 	}
@@ -925,7 +923,7 @@ void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp)
 	/* choose the the oldest expectation to evict */
 	list_for_each_entry_reverse(i, &ip_conntrack_expect_list, list) {
 		if (expect_matches(i, exp) && del_timer(&i->timeout)) {
-			unlink_expect(i);
+			ip_ct_unlink_expect(i);
 			write_unlock_bh(&ip_conntrack_lock);
 			ip_conntrack_expect_put(i);
 			return;
@@ -934,6 +932,9 @@ void ip_conntrack_unexpect_related(struct ip_conntrack_expect *exp)
 	write_unlock_bh(&ip_conntrack_lock);
 }
 
+/* We don't increase the master conntrack refcount for non-fulfilled
+ * conntracks. During the conntrack destruction, the expectations are 
+ * always killed before the conntrack itself */
 struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me)
 {
 	struct ip_conntrack_expect *new;
@@ -944,17 +945,14 @@ struct ip_conntrack_expect *ip_conntrack_expect_alloc(struct ip_conntrack *me)
 		return NULL;
 	}
 	new->master = me;
-	atomic_inc(&new->master->ct_general.use);
 	atomic_set(&new->use, 1);
 	return new;
 }
 
 void ip_conntrack_expect_put(struct ip_conntrack_expect *exp)
 {
-	if (atomic_dec_and_test(&exp->use)) {
-		ip_conntrack_put(exp->master);
+	if (atomic_dec_and_test(&exp->use))
 		kmem_cache_free(ip_conntrack_expect_cachep, exp);
-	}
 }
 
 static void ip_conntrack_expect_insert(struct ip_conntrack_expect *exp)
@@ -982,7 +980,7 @@ static void evict_oldest_expect(struct ip_conntrack *master)
 	list_for_each_entry_reverse(i, &ip_conntrack_expect_list, list) {
 		if (i->master == master) {
 			if (del_timer(&i->timeout)) {
-				unlink_expect(i);
+				ip_ct_unlink_expect(i);
 				ip_conntrack_expect_put(i);
 			}
 			break;
@@ -1099,7 +1097,7 @@ void ip_conntrack_helper_unregister(struct ip_conntrack_helper *me)
 	/* Get rid of expectations */
 	list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list, list) {
 		if (exp->master->helper == me && del_timer(&exp->timeout)) {
-			unlink_expect(exp);
+			ip_ct_unlink_expect(exp);
 			ip_conntrack_expect_put(exp);
 		}
 	}
diff --git a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c
index 3a2627db1729..1b79ec36085f 100644
--- a/net/ipv4/netfilter/ip_conntrack_ftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_ftp.c
@@ -421,6 +421,7 @@ static int help(struct sk_buff **pskb,
 		  { 0xFFFFFFFF, { .tcp = { 0xFFFF } }, 0xFF }});
 
 	exp->expectfn = NULL;
+	exp->flags = 0;
 
 	/* Now, NAT might want to mangle the packet, and register the
 	 * (possibly changed) expectation itself. */
diff --git a/net/ipv4/netfilter/ip_conntrack_irc.c b/net/ipv4/netfilter/ip_conntrack_irc.c
index 25438eec21a1..d7a8a98c05e1 100644
--- a/net/ipv4/netfilter/ip_conntrack_irc.c
+++ b/net/ipv4/netfilter/ip_conntrack_irc.c
@@ -221,6 +221,7 @@ static int help(struct sk_buff **pskb,
 				{ { 0, { 0 } },
 				  { 0xFFFFFFFF, { .tcp = { 0xFFFF } }, 0xFF }});
 			exp->expectfn = NULL;
+			exp->flags = 0;
 			if (ip_nat_irc_hook)
 				ret = ip_nat_irc_hook(pskb, ctinfo, 
 						      addr_beg_p - ib_ptr,
diff --git a/net/ipv4/netfilter/ip_conntrack_netbios_ns.c b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
new file mode 100644
index 000000000000..2b5cf9c51309
--- /dev/null
+++ b/net/ipv4/netfilter/ip_conntrack_netbios_ns.c
@@ -0,0 +1,131 @@
+/*
+ *      NetBIOS name service broadcast connection tracking helper
+ *
+ *      (c) 2005 Patrick McHardy <kaber@trash.net>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+/*
+ *      This helper tracks locally originating NetBIOS name service
+ *      requests by issuing permanent expectations (valid until
+ *      timing out) matching all reply connections from the
+ *      destination network. The only NetBIOS specific thing is
+ *      actually the port number.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/inetdevice.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <net/route.h>
+
+#include <linux/netfilter.h>
+#include <linux/netfilter_ipv4.h>
+#include <linux/netfilter_ipv4/ip_conntrack.h>
+#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
+
+MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
+MODULE_DESCRIPTION("NetBIOS name service broadcast connection tracking helper");
+MODULE_LICENSE("GPL");
+
+static unsigned int timeout = 3;
+module_param(timeout, int, 0600);
+MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
+
+static int help(struct sk_buff **pskb,
+                struct ip_conntrack *ct, enum ip_conntrack_info ctinfo)
+{
+	struct ip_conntrack_expect *exp;
+	struct iphdr *iph = (*pskb)->nh.iph;
+	struct udphdr _uh, *uh;
+	struct rtable *rt = (struct rtable *)(*pskb)->dst;
+	struct in_device *in_dev;
+	u_int32_t mask = 0;
+
+	/* we're only interested in locally generated packets */
+	if ((*pskb)->sk == NULL)
+		goto out;
+	if (rt == NULL || !(rt->rt_flags & RTCF_BROADCAST))
+		goto out;
+	if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL)
+		goto out;
+
+	rcu_read_lock();
+	in_dev = __in_dev_get(rt->u.dst.dev);
+	if (in_dev != NULL) {
+		for_primary_ifa(in_dev) {
+			if (ifa->ifa_broadcast == iph->daddr) {
+				mask = ifa->ifa_mask;
+				break;
+			}
+		} endfor_ifa(in_dev);
+	}
+	rcu_read_unlock();
+
+	if (mask == 0)
+		goto out;
+
+	uh = skb_header_pointer(*pskb, iph->ihl * 4, sizeof(_uh), &_uh);
+	BUG_ON(uh == NULL);
+
+	exp = ip_conntrack_expect_alloc(ct);
+	if (exp == NULL)
+		goto out;
+	memset(&exp->tuple, 0, sizeof(exp->tuple));
+	exp->tuple.src.ip         = iph->daddr & mask;
+	exp->tuple.dst.ip         = iph->saddr;
+	exp->tuple.dst.u.udp.port = uh->source;
+	exp->tuple.dst.protonum   = IPPROTO_UDP;
+
+	memset(&exp->mask, 0, sizeof(exp->mask));
+	exp->mask.src.ip          = mask;
+	exp->mask.dst.ip          = 0xFFFFFFFF;
+	exp->mask.dst.u.udp.port  = 0xFFFF;
+	exp->mask.dst.protonum    = 0xFF;
+
+	exp->expectfn             = NULL;
+	exp->flags                = IP_CT_EXPECT_PERMANENT;
+
+	ip_conntrack_expect_related(exp);
+	ip_conntrack_expect_put(exp);
+
+	ip_ct_refresh_acct(ct, ctinfo, NULL, timeout * HZ);
+out:
+	return NF_ACCEPT;
+}
+
+static struct ip_conntrack_helper helper = {
+	.name			= "netbios-ns",
+	.tuple = {
+		.src.u.udp.port	= __constant_htons(137),
+		.dst.protonum	= IPPROTO_UDP,
+	},
+	.mask = {
+		.src.u.udp.port	= 0xFFFF,
+		.dst.protonum	= 0xFF,
+	},
+	.max_expected		= 1,
+	.me			= THIS_MODULE,
+	.help			= help,
+};
+
+static int __init init(void)
+{
+	helper.timeout = timeout;
+	return ip_conntrack_helper_register(&helper);
+}
+
+static void __exit fini(void)
+{
+	ip_conntrack_helper_unregister(&helper);
+}
+
+module_init(init);
+module_exit(fini);
diff --git a/net/ipv4/netfilter/ip_conntrack_netlink.c b/net/ipv4/netfilter/ip_conntrack_netlink.c
index a4e9278db4ed..15aef3564742 100644
--- a/net/ipv4/netfilter/ip_conntrack_netlink.c
+++ b/net/ipv4/netfilter/ip_conntrack_netlink.c
@@ -1349,8 +1349,10 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
 		list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list,
 					 list) {
 			if (exp->master->helper == h 
-			    && del_timer(&exp->timeout))
-				__ip_ct_expect_unlink_destroy(exp);
+			    && del_timer(&exp->timeout)) {
+				ip_ct_unlink_expect(exp);
+				ip_conntrack_expect_put(exp);
+			}
 		}
 		write_unlock(&ip_conntrack_lock);
 	} else {
@@ -1358,8 +1360,10 @@ ctnetlink_del_expect(struct sock *ctnl, struct sk_buff *skb,
 		write_lock_bh(&ip_conntrack_lock);
 		list_for_each_entry_safe(exp, tmp, &ip_conntrack_expect_list,
 					 list) {
-			if (del_timer(&exp->timeout))
-				__ip_ct_expect_unlink_destroy(exp);
+			if (del_timer(&exp->timeout)) {
+				ip_ct_unlink_expect(exp);
+				ip_conntrack_expect_put(exp);
+			}
 		}
 		write_unlock_bh(&ip_conntrack_lock);
 	}
@@ -1413,6 +1417,7 @@ ctnetlink_create_expect(struct nfattr *cda[])
 	}
 	
 	exp->expectfn = NULL;
+	exp->flags = 0;
 	exp->master = ct;
 	memcpy(&exp->tuple, &tuple, sizeof(struct ip_conntrack_tuple));
 	memcpy(&exp->mask, &mask, sizeof(struct ip_conntrack_tuple));
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index f23ef1f88c46..1985abc59d24 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -349,6 +349,7 @@ static int tcp_to_nfattr(struct sk_buff *skb, struct nfattr *nfa,
 	return 0;
 
 nfattr_failure:
+	read_unlock_bh(&tcp_lock);
 	return -1;
 }
 #endif
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c
index ee5895afd0c3..ae3e3e655db5 100644
--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
+++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
@@ -998,7 +998,7 @@ EXPORT_SYMBOL(ip_conntrack_expect_related);
 EXPORT_SYMBOL(ip_conntrack_unexpect_related);
 EXPORT_SYMBOL_GPL(ip_conntrack_expect_list);
 EXPORT_SYMBOL_GPL(__ip_conntrack_expect_find);
-EXPORT_SYMBOL_GPL(__ip_ct_expect_unlink_destroy);
+EXPORT_SYMBOL_GPL(ip_ct_unlink_expect);
 
 EXPORT_SYMBOL(ip_conntrack_tuple_taken);
 EXPORT_SYMBOL(ip_ct_gather_frags);
diff --git a/net/ipv4/netfilter/ip_conntrack_tftp.c b/net/ipv4/netfilter/ip_conntrack_tftp.c
index f8ff170f390a..d2b590533452 100644
--- a/net/ipv4/netfilter/ip_conntrack_tftp.c
+++ b/net/ipv4/netfilter/ip_conntrack_tftp.c
@@ -75,6 +75,7 @@ static int tftp_help(struct sk_buff **pskb,
 		exp->mask.dst.u.udp.port = 0xffff;
 		exp->mask.dst.protonum = 0xff;
 		exp->expectfn = NULL;
+		exp->flags = 0;
 
 		DEBUGP("expect: ");
 		DUMP_TUPLE(&exp->tuple);
diff --git a/net/ipv4/netfilter/ip_nat_rule.c b/net/ipv4/netfilter/ip_nat_rule.c
index 60d70fa41a15..cb66b8bddeb3 100644
--- a/net/ipv4/netfilter/ip_nat_rule.c
+++ b/net/ipv4/netfilter/ip_nat_rule.c
@@ -255,6 +255,27 @@ alloc_null_binding(struct ip_conntrack *conntrack,
 	return ip_nat_setup_info(conntrack, &range, hooknum);
 }
 
+unsigned int
+alloc_null_binding_confirmed(struct ip_conntrack *conntrack,
+                             struct ip_nat_info *info,
+                             unsigned int hooknum)
+{
+	u_int32_t ip
+		= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
+		   ? conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.dst.ip
+		   : conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.src.ip);
+	u_int16_t all
+		= (HOOK2MANIP(hooknum) == IP_NAT_MANIP_SRC
+		   ? conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.dst.u.all
+		   : conntrack->tuplehash[IP_CT_DIR_REPLY].tuple.src.u.all);
+	struct ip_nat_range range
+		= { IP_NAT_RANGE_MAP_IPS, ip, ip, { all }, { all } };
+
+	DEBUGP("Allocating NULL binding for confirmed %p (%u.%u.%u.%u)\n",
+	       conntrack, NIPQUAD(ip));
+	return ip_nat_setup_info(conntrack, &range, hooknum);
+}
+
 int ip_nat_rule_find(struct sk_buff **pskb,
 		     unsigned int hooknum,
 		     const struct net_device *in,
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 89db052add81..0ff368b131f6 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -123,8 +123,12 @@ ip_nat_fn(unsigned int hooknum,
 		if (!ip_nat_initialized(ct, maniptype)) {
 			unsigned int ret;
 
-			/* LOCAL_IN hook doesn't have a chain!  */
-			if (hooknum == NF_IP_LOCAL_IN)
+			if (unlikely(is_confirmed(ct)))
+				/* NAT module was loaded late */
+				ret = alloc_null_binding_confirmed(ct, info,
+				                                   hooknum);
+			else if (hooknum == NF_IP_LOCAL_IN)
+				/* LOCAL_IN hook doesn't have a chain!  */
 				ret = alloc_null_binding(ct, info, hooknum);
 			else
 				ret = ip_nat_rule_find(pskb, hooknum,
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 249bddb28acd..f81fe8c52e99 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -371,6 +371,12 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 		break;
 	
 	case NFQNL_COPY_PACKET:
+		if (entry->skb->ip_summed == CHECKSUM_HW &&
+		    (*errp = skb_checksum_help(entry->skb,
+		                               entry->info->outdev == NULL))) {
+			spin_unlock_bh(&queue->lock);
+			return NULL;
+		}
 		if (queue->copy_range == 0 
 		    || queue->copy_range > entry->skb->len)
 			data_len = entry->skb->len;
@@ -636,7 +642,7 @@ nfqnl_mangle(void *data, int data_len, struct nfqnl_queue_entry *e)
 	if (!skb_make_writable(&e->skb, data_len))
 		return -ENOMEM;
 	memcpy(e->skb->data, data, data_len);
-
+	e->skb->ip_summed = CHECKSUM_NONE;
 	return 0;
 }
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 62435ffc6184..a64e1d5ce3ca 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -398,24 +398,13 @@ static int netlink_create(struct socket *sock, int protocol)
 	if (nl_table[protocol].registered &&
 	    try_module_get(nl_table[protocol].module))
 		module = nl_table[protocol].module;
-	else
-		err = -EPROTONOSUPPORT;
 	groups = nl_table[protocol].groups;
 	netlink_unlock_table();
 
-	if (err || (err = __netlink_create(sock, protocol) < 0))
+	if ((err = __netlink_create(sock, protocol) < 0))
 		goto out_module;
 
 	nlk = nlk_sk(sock->sk);
-
-	nlk->groups = kmalloc(NLGRPSZ(groups), GFP_KERNEL);
-	if (nlk->groups == NULL) {
-		err = -ENOMEM;
-		goto out_module;
-	}
-	memset(nlk->groups, 0, NLGRPSZ(groups));
-	nlk->ngroups = groups;
-
 	nlk->module = module;
 out:
 	return err;
@@ -534,6 +523,29 @@ netlink_update_subscriptions(struct sock *sk, unsigned int subscriptions)
 	nlk->subscriptions = subscriptions;
 }
 
+static int netlink_alloc_groups(struct sock *sk)
+{
+	struct netlink_sock *nlk = nlk_sk(sk);
+	unsigned int groups;
+	int err = 0;
+
+	netlink_lock_table();
+	groups = nl_table[sk->sk_protocol].groups;
+	if (!nl_table[sk->sk_protocol].registered)
+		err = -ENOENT;
+	netlink_unlock_table();
+
+	if (err)
+		return err;
+
+	nlk->groups = kmalloc(NLGRPSZ(groups), GFP_KERNEL);
+	if (nlk->groups == NULL)
+		return -ENOMEM;
+	memset(nlk->groups, 0, NLGRPSZ(groups));
+	nlk->ngroups = groups;
+	return 0;
+}
+
 static int netlink_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
 {
 	struct sock *sk = sock->sk;
@@ -545,8 +557,15 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, int addr_len
 		return -EINVAL;
 
 	/* Only superuser is allowed to listen multicasts */
-	if (nladdr->nl_groups && !netlink_capable(sock, NL_NONROOT_RECV))
-		return -EPERM;
+	if (nladdr->nl_groups) {
+		if (!netlink_capable(sock, NL_NONROOT_RECV))
+			return -EPERM;
+		if (nlk->groups == NULL) {
+			err = netlink_alloc_groups(sk);
+			if (err)
+				return err;
+		}
+	}
 
 	if (nlk->pid) {
 		if (nladdr->nl_pid != nlk->pid)
@@ -559,7 +578,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, int addr_len
 			return err;
 	}
 
-	if (!nladdr->nl_groups && !(u32)nlk->groups[0])
+	if (!nladdr->nl_groups && (nlk->groups == NULL || !(u32)nlk->groups[0]))
 		return 0;
 
 	netlink_table_grab();
@@ -620,7 +639,7 @@ static int netlink_getname(struct socket *sock, struct sockaddr *addr, int *addr
 		nladdr->nl_groups = netlink_group_mask(nlk->dst_group);
 	} else {
 		nladdr->nl_pid = nlk->pid;
-		nladdr->nl_groups = nlk->groups[0];
+		nladdr->nl_groups = nlk->groups ? nlk->groups[0] : 0;
 	}
 	return 0;
 }
@@ -976,6 +995,11 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname,
 
 		if (!netlink_capable(sock, NL_NONROOT_RECV))
 			return -EPERM;
+		if (nlk->groups == NULL) {
+			err = netlink_alloc_groups(sk);
+			if (err)
+				return err;
+		}
 		if (!val || val - 1 >= nlk->ngroups)
 			return -EINVAL;
 		netlink_table_grab();
@@ -1483,8 +1507,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
 			   s,
 			   s->sk_protocol,
 			   nlk->pid,
-			   nlk->flags & NETLINK_KERNEL_SOCKET ?
-				0 : (unsigned int)nlk->groups[0],
+			   nlk->groups ? (u32)nlk->groups[0] : 0,
 			   atomic_read(&s->sk_rmem_alloc),
 			   atomic_read(&s->sk_wmem_alloc),
 			   nlk->cb,
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 4b53de982114..f4578c759ffc 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1261,6 +1261,7 @@ static int nr_info_show(struct seq_file *seq, void *v)
 	struct net_device *dev;
 	struct nr_sock *nr;
 	const char *devname;
+	char buf[11];
 
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq,
@@ -1276,11 +1277,11 @@ static int nr_info_show(struct seq_file *seq, void *v)
 		else
 			devname = dev->name;
 
-		seq_printf(seq, "%-9s ", ax2asc(&nr->user_addr));
-		seq_printf(seq, "%-9s ", ax2asc(&nr->dest_addr));
+		seq_printf(seq, "%-9s ", ax2asc(buf, &nr->user_addr));
+		seq_printf(seq, "%-9s ", ax2asc(buf, &nr->dest_addr));
 		seq_printf(seq, 
 "%-9s %-3s  %02X/%02X %02X/%02X %2d %3d %3d %3d %3lu/%03lu %2lu/%02lu %3lu/%03lu %3lu/%03lu %2d/%02d %3d %5d %5d %ld\n",
-			ax2asc(&nr->source_addr),
+			ax2asc(buf, &nr->source_addr),
 			devname,
 			nr->my_index,
 			nr->my_id,
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 7a86b36cba50..b3b9097c87c7 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -881,6 +881,7 @@ static void nr_node_stop(struct seq_file *seq, void *v)
 
 static int nr_node_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
 	int i;
 
 	if (v == SEQ_START_TOKEN)
@@ -890,7 +891,7 @@ static int nr_node_show(struct seq_file *seq, void *v)
 		struct nr_node *nr_node = v;
 		nr_node_lock(nr_node);
 		seq_printf(seq, "%-9s %-7s  %d %d",
-			ax2asc(&nr_node->callsign),
+			ax2asc(buf, &nr_node->callsign),
 			(nr_node->mnemonic[0] == '\0') ? "*" : nr_node->mnemonic,
 			nr_node->which + 1,
 			nr_node->count);
@@ -964,6 +965,7 @@ static void nr_neigh_stop(struct seq_file *seq, void *v)
 
 static int nr_neigh_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
 	int i;
 
 	if (v == SEQ_START_TOKEN)
@@ -973,7 +975,7 @@ static int nr_neigh_show(struct seq_file *seq, void *v)
 
 		seq_printf(seq, "%05d %-9s %-4s  %3d    %d   %3d    %3d",
 			nr_neigh->number,
-			ax2asc(&nr_neigh->callsign),
+			ax2asc(buf, &nr_neigh->callsign),
 			nr_neigh->dev ? nr_neigh->dev->name : "???",
 			nr_neigh->quality,
 			nr_neigh->locked,
@@ -983,7 +985,7 @@ static int nr_neigh_show(struct seq_file *seq, void *v)
 		if (nr_neigh->digipeat != NULL) {
 			for (i = 0; i < nr_neigh->digipeat->ndigi; i++)
 				seq_printf(seq, " %s", 
-					   ax2asc(&nr_neigh->digipeat->calls[i]));
+					   ax2asc(buf, &nr_neigh->digipeat->calls[i]));
 		}
 
 		seq_puts(seq, "\n");
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ba997095f08f..8690f171c1ef 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1535,8 +1535,7 @@ static unsigned int packet_poll(struct file * file, struct socket *sock,
 static void packet_mm_open(struct vm_area_struct *vma)
 {
 	struct file *file = vma->vm_file;
-	struct inode *inode = file->f_dentry->d_inode;
-	struct socket * sock = SOCKET_I(inode);
+	struct socket * sock = file->private_data;
 	struct sock *sk = sock->sk;
 	
 	if (sk)
@@ -1546,8 +1545,7 @@ static void packet_mm_open(struct vm_area_struct *vma)
 static void packet_mm_close(struct vm_area_struct *vma)
 {
 	struct file *file = vma->vm_file;
-	struct inode *inode = file->f_dentry->d_inode;
-	struct socket * sock = SOCKET_I(inode);
+	struct socket * sock = file->private_data;
 	struct sock *sk = sock->sk;
 	
 	if (sk)
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index c6e59f84c3ae..3077878ed4f0 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1363,6 +1363,8 @@ static void rose_info_stop(struct seq_file *seq, void *v)
 
 static int rose_info_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
+
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq, 
 			 "dest_addr  dest_call src_addr   src_call  dev   lci neigh st vs vr va   t  t1  t2  t3  hb    idle Snd-Q Rcv-Q inode\n");
@@ -1380,12 +1382,12 @@ static int rose_info_show(struct seq_file *seq, void *v)
 		
 		seq_printf(seq, "%-10s %-9s ",
 			rose2asc(&rose->dest_addr),
-			ax2asc(&rose->dest_call));
+			ax2asc(buf, &rose->dest_call));
 
 		if (ax25cmp(&rose->source_call, &null_ax25_address) == 0)
 			callsign = "??????-?";
 		else
-			callsign = ax2asc(&rose->source_call);
+			callsign = ax2asc(buf, &rose->source_call);
 
 		seq_printf(seq,
 			   "%-10s %-9s %-5s %3.3X %05d  %d  %d  %d  %d %3lu %3lu %3lu %3lu %3lu %3lu/%03lu %5d %5d %ld\n",
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 4510cd7613ec..e556d92c0bc4 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -851,6 +851,7 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
 	unsigned char cause, diagnostic;
 	struct net_device *dev;
 	int len, res = 0;
+	char buf[11];
 
 #if 0
 	if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
@@ -876,7 +877,7 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
 
 	if (rose_neigh == NULL) {
 		printk("rose_route : unknown neighbour or device %s\n",
-		       ax2asc(&ax25->dest_addr));
+		       ax2asc(buf, &ax25->dest_addr));
 		goto out;
 	}
 
@@ -1178,6 +1179,7 @@ static void rose_neigh_stop(struct seq_file *seq, void *v)
 
 static int rose_neigh_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
 	int i;
 
 	if (v == SEQ_START_TOKEN)
@@ -1189,7 +1191,7 @@ static int rose_neigh_show(struct seq_file *seq, void *v)
 		/* if (!rose_neigh->loopback) { */
 		seq_printf(seq, "%05d %-9s %-4s   %3d %3d  %3s     %3s %3lu %3lu",
 			   rose_neigh->number,
-			   (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(&rose_neigh->callsign),
+			   (rose_neigh->loopback) ? "RSLOOP-0" : ax2asc(buf, &rose_neigh->callsign),
 			   rose_neigh->dev ? rose_neigh->dev->name : "???",
 			   rose_neigh->count,
 			   rose_neigh->use,
@@ -1200,7 +1202,7 @@ static int rose_neigh_show(struct seq_file *seq, void *v)
 
 		if (rose_neigh->digipeat != NULL) {
 			for (i = 0; i < rose_neigh->digipeat->ndigi; i++)
-				seq_printf(seq, " %s", ax2asc(&rose_neigh->digipeat->calls[i]));
+				seq_printf(seq, " %s", ax2asc(buf, &rose_neigh->digipeat->calls[i]));
 		}
 
 		seq_puts(seq, "\n");
@@ -1260,6 +1262,8 @@ static void rose_route_stop(struct seq_file *seq, void *v)
 
 static int rose_route_show(struct seq_file *seq, void *v)
 {
+	char buf[11];
+
 	if (v == SEQ_START_TOKEN)
 		seq_puts(seq, 
 			 "lci  address     callsign   neigh  <-> lci  address     callsign   neigh\n");
@@ -1271,7 +1275,7 @@ static int rose_route_show(struct seq_file *seq, void *v)
 				   "%3.3X  %-10s  %-9s  %05d      ",
 				   rose_route->lci1,
 				   rose2asc(&rose_route->src_addr),
-				   ax2asc(&rose_route->src_call),
+				   ax2asc(buf, &rose_route->src_call),
 				   rose_route->neigh1->number);
 		else 
 			seq_puts(seq, 
@@ -1282,7 +1286,7 @@ static int rose_route_show(struct seq_file *seq, void *v)
 				   "%3.3X  %-10s  %-9s  %05d\n",
 				rose_route->lci2,
 				rose2asc(&rose_route->dest_addr),
-				ax2asc(&rose_route->dest_call),
+				ax2asc(buf, &rose_route->dest_call),
 				rose_route->neigh2->number);
 		 else 
 			 seq_puts(seq,
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index a29a3a960fd6..02891ce2db37 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -400,6 +400,7 @@ static int rose_create_facilities(unsigned char *buffer, struct rose_sock *rose)
 {
 	unsigned char *p = buffer + 1;
 	char *callsign;
+	char buf[11];
 	int len, nb;
 
 	/* National Facilities */
@@ -456,7 +457,7 @@ static int rose_create_facilities(unsigned char *buffer, struct rose_sock *rose)
 
 	*p++ = FAC_CCITT_DEST_NSAP;
 
-	callsign = ax2asc(&rose->dest_call);
+	callsign = ax2asc(buf, &rose->dest_call);
 
 	*p++ = strlen(callsign) + 10;
 	*p++ = (strlen(callsign) + 9) * 2;		/* ??? */
@@ -471,7 +472,7 @@ static int rose_create_facilities(unsigned char *buffer, struct rose_sock *rose)
 
 	*p++ = FAC_CCITT_SRC_NSAP;
 
-	callsign = ax2asc(&rose->source_call);
+	callsign = ax2asc(buf, &rose->source_call);
 
 	*p++ = strlen(callsign) + 10;
 	*p++ = (strlen(callsign) + 9) * 2;		/* ??? */
diff --git a/net/socket.c b/net/socket.c
index 94fe638b4d72..e1bd5d84d7bf 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -667,7 +667,7 @@ static ssize_t sock_aio_read(struct kiocb *iocb, char __user *ubuf,
 	}
 	iocb->private = x;
 	x->kiocb = iocb;
-	sock = SOCKET_I(iocb->ki_filp->f_dentry->d_inode); 
+	sock = iocb->ki_filp->private_data; 
 
 	x->async_msg.msg_name = NULL;
 	x->async_msg.msg_namelen = 0;
@@ -709,7 +709,7 @@ static ssize_t sock_aio_write(struct kiocb *iocb, const char __user *ubuf,
 	}
 	iocb->private = x;
 	x->kiocb = iocb;
-	sock = SOCKET_I(iocb->ki_filp->f_dentry->d_inode); 
+	sock = iocb->ki_filp->private_data; 
 
 	x->async_msg.msg_name = NULL;
 	x->async_msg.msg_namelen = 0;
@@ -732,7 +732,7 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
 	struct socket *sock;
 	int flags;
 
-	sock = SOCKET_I(file->f_dentry->d_inode);
+	sock = file->private_data;
 
 	flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
 	if (more)
@@ -741,14 +741,14 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
 	return sock->ops->sendpage(sock, page, offset, size, flags);
 }
 
-static int sock_readv_writev(int type, struct inode * inode,
+static int sock_readv_writev(int type,
 			     struct file * file, const struct iovec * iov,
 			     long count, size_t size)
 {
 	struct msghdr msg;
 	struct socket *sock;
 
-	sock = SOCKET_I(inode);
+	sock = file->private_data;
 
 	msg.msg_name = NULL;
 	msg.msg_namelen = 0;
@@ -775,7 +775,7 @@ static ssize_t sock_readv(struct file *file, const struct iovec *vector,
 	int i;
         for (i = 0 ; i < count ; i++)
                 tot_len += vector[i].iov_len;
-	return sock_readv_writev(VERIFY_WRITE, file->f_dentry->d_inode,
+	return sock_readv_writev(VERIFY_WRITE,
 				 file, vector, count, tot_len);
 }
 	
@@ -786,7 +786,7 @@ static ssize_t sock_writev(struct file *file, const struct iovec *vector,
 	int i;
         for (i = 0 ; i < count ; i++)
                 tot_len += vector[i].iov_len;
-	return sock_readv_writev(VERIFY_READ, file->f_dentry->d_inode,
+	return sock_readv_writev(VERIFY_READ,
 				 file, vector, count, tot_len);
 }
 
@@ -840,7 +840,7 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 	void __user *argp = (void __user *)arg;
 	int pid, err;
 
-	sock = SOCKET_I(file->f_dentry->d_inode);
+	sock = file->private_data;
 	if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
 		err = dev_ioctl(cmd, argp);
 	} else
@@ -939,13 +939,13 @@ static unsigned int sock_poll(struct file *file, poll_table * wait)
 	/*
 	 *	We can't return errors to poll, so it's either yes or no. 
 	 */
-	sock = SOCKET_I(file->f_dentry->d_inode);
+	sock = file->private_data;
 	return sock->ops->poll(file, sock, wait);
 }
 
 static int sock_mmap(struct file * file, struct vm_area_struct * vma)
 {
-	struct socket *sock = SOCKET_I(file->f_dentry->d_inode);
+	struct socket *sock = file->private_data;
 
 	return sock->ops->mmap(file, sock, vma);
 }
@@ -995,7 +995,7 @@ static int sock_fasync(int fd, struct file *filp, int on)
 			return -ENOMEM;
 	}
 
-	sock = SOCKET_I(filp->f_dentry->d_inode);
+	sock = filp->private_data;
 
 	if ((sk=sock->sk) == NULL) {
 		kfree(fna);