Merge nuts.davemloft.net:/disk1/BK/network-2.6

into nuts.davemloft.net:/disk1/BK/net-2.6

drivers/net/sungem.c

@@ -2742,6 +2742,23 @@ static void get_gem_mac_nonobp(struct pci_dev *pdev, unsigned char *dev_addr)
 }
 #endif /* not Sparc and not PPC */
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void gem_netpoll(struct net_device *netdev)
+{
+	struct gem *gp = netdev->priv;
+	if (!gp->pdev)
+		return;
+	disable_irq(gp->pdev->irq);
+	gem_interrupt(gp->pdev->irq, netdev, NULL);
+	enable_irq(gp->pdev->irq);
+}
+#endif
+
 static int __devinit gem_get_device_address(struct gem *gp)
 {
 #if defined(__sparc__) || defined(CONFIG_PPC_PMAC)
@@ -2940,6 +2957,9 @@ static int __devinit gem_init_one(struct pci_dev *pdev,
 	dev->set_multicast_list = gem_set_multicast;
 	dev->do_ioctl = gem_ioctl;
 	dev->poll = gem_poll;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = gem_netpoll;
+#endif
 	dev->weight = 64;
 	dev->ethtool_ops = &gem_ethtool_ops;
 	dev->tx_timeout = gem_tx_timeout;

include/linux/ipv6.h

@@ -182,8 +182,7 @@ enum {
    as offsets from skb->nh.
  */
 
-struct inet6_skb_parm
-{
+struct inet6_skb_parm {
 	int			iif;
 	__u16			ra;
 	__u16			hop;
@@ -194,6 +193,14 @@ struct inet6_skb_parm
 
 #define IP6CB(skb)	((struct inet6_skb_parm*)((skb)->cb))
 
+/**
+ * struct ipv6_pinfo - ipv6 private area
+ *
+ * In the struct sock hierarchy (tcp6_sock, upd6_sock, etc)
+ * this _must_ be the last member, so that inet6_sk_generic
+ * is able to calculate its offset from the base struct sock
+ * by using the struct proto->slab_obj_size member. -acme
+ */
 struct ipv6_pinfo {
 	struct in6_addr 	saddr;
 	struct in6_addr 	rcv_saddr;
@@ -282,10 +289,6 @@ static inline struct raw6_opt * raw6_sk(const struct sock *__sk)
 	return &((struct raw6_sock *)__sk)->raw6;
 }
 
-struct ipv6_sk_offset {
-	int	offset;
-};
-
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 #define __ipv6_only_sock(sk)	(inet6_sk(sk)->ipv6only)
 #define ipv6_only_sock(sk)	((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))

include/net/af_unix.h

@@ -37,16 +37,14 @@ static inline struct sock *next_unix_socket(int *i, struct sock *s)
 #define forall_unix_sockets(i, s) \
 	for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
 
-struct unix_address
-{
+struct unix_address {
 	atomic_t	refcnt;
 	int		len;
 	unsigned	hash;
 	struct sockaddr_un name[0];
 };
 
-struct unix_skb_parms
-{
+struct unix_skb_parms {
 	struct ucred		creds;		/* Skb credentials	*/
 	struct scm_fp_list	*fp;		/* Passed files		*/
 };
@@ -68,6 +66,7 @@ struct unix_sock {
         struct dentry		*dentry;
         struct vfsmount		*mnt;
         struct semaphore        readsem;
+        struct sock		*peer;
         struct sock		*other;
         struct sock		*gc_tree;
         atomic_t                inflight;

include/net/ip_fib.h

@@ -211,21 +211,10 @@ extern void fib_select_multipath(const struct flowi *flp, struct fib_result *res
 
 /* Exported by fib_semantics.c */
 extern int ip_fib_check_default(u32 gw, struct net_device *dev);
-extern void		fib_release_info(struct fib_info *);
-extern int		fib_semantic_match(int type, struct fib_info *,
-					   const struct flowi *, struct fib_result*);
-extern struct fib_info	*fib_create_info(const struct rtmsg *r, struct kern_rta *rta,
-					 const struct nlmsghdr *, int *err);
-extern int fib_nh_match(struct rtmsg *r, struct nlmsghdr *, struct kern_rta *rta, struct fib_info *fi);
-extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-			 u8 tb_id, u8 type, u8 scope, void *dst, int dst_len, u8 tos,
-			 struct fib_info *fi);
 extern int fib_sync_down(u32 local, struct net_device *dev, int force);
 extern int fib_sync_up(struct net_device *dev);
 extern int fib_convert_rtentry(int cmd, struct nlmsghdr *nl, struct rtmsg *rtm,
 			       struct kern_rta *rta, struct rtentry *r);
-extern void fib_node_seq_show(struct seq_file *seq, int type, int dead,
-			      struct fib_info *fi, u32 prefix, u32 mask);
 extern u32  __fib_res_prefsrc(struct fib_result *res);
 
 /* Exported by fib_hash.c */

include/net/sock.h

@@ -142,7 +142,6 @@ struct sock_common {
   *	@sk_route_caps - route capabilities (e.g. %NETIF_F_TSO)
   *	@sk_lingertime - %SO_LINGER l_linger setting
   *	@sk_hashent - hash entry in several tables (e.g. tcp_ehash)
-  *	@sk_pair - socket pair (e.g. AF_UNIX/unix_peer)
   *	@sk_backlog - always used with the per-socket spinlock held
   *	@sk_callback_lock - used with the callbacks in the end of this struct
   *	@sk_error_queue - rarely used
@@ -219,7 +218,6 @@ struct sock {
 	int			sk_route_caps;
 	unsigned long	        sk_lingertime;
 	int			sk_hashent;
-	struct sock		*sk_pair;
 	/*
 	 * The backlog queue is special, it is always used with
 	 * the per-socket spinlock held and requires low latency
@@ -557,7 +555,6 @@ struct proto {
 
 	kmem_cache_t		*slab;
 	int			slab_obj_size;
-	void			*af_specific;
 
 	char			name[32];
 

net/ax25/af_ax25.c

@@ -1338,7 +1338,6 @@ static int ax25_accept(struct socket *sock, struct socket *newsock, int flags)
 	remove_wait_queue(sk->sk_sleep, &wait);
 
 	newsk		 = skb->sk;
-	newsk->sk_pair	 = NULL;
 	newsk->sk_socket = newsock;
 	newsk->sk_sleep	 = &newsock->wait;
 

net/ax25/ax25_in.c

@@ -372,7 +372,6 @@ static int ax25_rcv(struct sk_buff *skb, struct net_device *dev,
 		skb_queue_head(&sk->sk_receive_queue, skb);
 
 		make->sk_state = TCP_ESTABLISHED;
-		make->sk_pair  = sk;
 
 		sk->sk_ack_backlog++;
 		bh_unlock_sock(sk);

net/core/rtnetlink.c

@@ -412,7 +412,9 @@ static int rtnetlink_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
 void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
 {
 	struct sk_buff *skb;
-	int size = NLMSG_GOODSIZE;
+	int size = NLMSG_SPACE(sizeof(struct ifinfomsg) +
+			       sizeof(struct rtnl_link_ifmap) +
+			       sizeof(struct rtnl_link_stats) + 128);
 
 	skb = alloc_skb(size, GFP_KERNEL);
 	if (!skb)

net/ipv4/fib_hash.c

@@ -43,6 +43,8 @@
 #include <net/sock.h>
 #include <net/ip_fib.h>
 
+#include "fib_lookup.h"
+
 static kmem_cache_t *fn_hash_kmem;
 static kmem_cache_t *fn_alias_kmem;
 
@@ -52,17 +54,6 @@ struct fib_node {
 	u32			fn_key;
 };
 
-struct fib_alias {
-	struct list_head	fa_list;
-	struct fib_info		*fa_info;
-	u8			fa_tos;
-	u8			fa_type;
-	u8			fa_scope;
-	u8			fa_state;
-};
-
-#define FN_S_ACCESSED	1
-
 struct fn_zone {
 	struct fn_zone		*fz_next;	/* Next not empty zone	*/
 	struct hlist_head	*fz_hash;	/* Hash table pointer	*/
@@ -265,33 +256,15 @@ fn_hash_lookup(struct fib_table *tb, const struct flowi *flp, struct fib_result
 
 		head = &fz->fz_hash[fn_hash(k, fz)];
 		hlist_for_each_entry(f, node, head, fn_hash) {
-			struct fib_alias *fa;
-
 			if (f->fn_key != k)
 				continue;
 
-			list_for_each_entry(fa, &f->fn_alias, fa_list) {
-				if (fa->fa_tos &&
-				    fa->fa_tos != flp->fl4_tos)
-					continue;
-				if (fa->fa_scope < flp->fl4_scope)
-					continue;
-
-				fa->fa_state |= FN_S_ACCESSED;
-
-				err = fib_semantic_match(fa->fa_type,
-							 fa->fa_info,
-							 flp, res);
-				if (err == 0) {
-					res->type = fa->fa_type;
-					res->scope = fa->fa_scope;
-					res->prefixlen = fz->fz_order;
+			err = fib_semantic_match(&f->fn_alias,
+						 flp, res,
+						 fz->fz_order);
+			if (err <= 0)
 				goto out;
 		}
-				if (err < 0)
-					goto out;
-			}
-		}
 	}
 	err = 1;
 out:
@@ -358,7 +331,7 @@ fn_hash_select_default(struct fib_table *tb, const struct flowi *flp, struct fib
 			if (!next_fi->fib_nh[0].nh_gw ||
 			    next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK)
 				continue;
-			fa->fa_state |= FN_S_ACCESSED;
+			fa->fa_state |= FA_S_ACCESSED;
 
 			if (fi == NULL) {
 				if (next_fi != res->fi)
@@ -521,11 +494,11 @@ fn_hash_insert(struct fib_table *tb, struct rtmsg *r, struct kern_rta *rta,
 			fa->fa_type = type;
 			fa->fa_scope = r->rtm_scope;
 			state = fa->fa_state;
-			fa->fa_state &= ~FN_S_ACCESSED;
+			fa->fa_state &= ~FA_S_ACCESSED;
 			write_unlock_bh(&fib_hash_lock);
 
 			fib_release_info(fi_drop);
-			if (state & FN_S_ACCESSED)
+			if (state & FA_S_ACCESSED)
 				rt_cache_flush(-1);
 			return 0;
 		}
@@ -669,7 +642,7 @@ fn_hash_delete(struct fib_table *tb, struct rtmsg *r, struct kern_rta *rta,
 		}
 		write_unlock_bh(&fib_hash_lock);
 
-		if (fa->fa_state & FN_S_ACCESSED)
+		if (fa->fa_state & FA_S_ACCESSED)
 			rt_cache_flush(-1);
 		fn_free_alias(fa);
 		if (kill_fn) {

net/ipv4/fib_lookup.h

+#ifndef _FIB_LOOKUP_H
+#define _FIB_LOOKUP_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <net/ip_fib.h>
+
+struct fib_alias {
+	struct list_head	fa_list;
+	struct fib_info		*fa_info;
+	u8			fa_tos;
+	u8			fa_type;
+	u8			fa_scope;
+	u8			fa_state;
+};
+
+#define FA_S_ACCESSED	0x01
+
+/* Exported by fib_semantics.c */
+extern int fib_semantic_match(struct list_head *head,
+			      const struct flowi *flp,
+			      struct fib_result *res, int prefixlen);
+extern void fib_release_info(struct fib_info *);
+extern struct fib_info *fib_create_info(const struct rtmsg *r,
+					struct kern_rta *rta,
+					const struct nlmsghdr *,
+					int *err);
+extern int fib_nh_match(struct rtmsg *r, struct nlmsghdr *,
+			struct kern_rta *rta, struct fib_info *fi);
+extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
+			 u8 tb_id, u8 type, u8 scope, void *dst,
+			 int dst_len, u8 tos, struct fib_info *fi);
+
+#endif /* _FIB_LOOKUP_H */

net/ipv4/fib_semantics.c

@@ -43,6 +43,8 @@
 #include <net/sock.h>
 #include <net/ip_fib.h>
 
+#include "fib_lookup.h"
+
 #define FSprintk(a...)
 
 static rwlock_t fib_info_lock = RW_LOCK_UNLOCKED;
@@ -758,18 +760,32 @@ fib_create_info(const struct rtmsg *r, struct kern_rta *rta,
 	return NULL;
 }
 
-int 
-fib_semantic_match(int type, struct fib_info *fi, const struct flowi *flp, struct fib_result *res)
+int fib_semantic_match(struct list_head *head, const struct flowi *flp,
+		       struct fib_result *res, int prefixlen)
 {
-	int err = fib_props[type].error;
+	struct fib_alias *fa;
+	int nh_sel = 0;
+
+	list_for_each_entry(fa, head, fa_list) {
+		int err;
 
+		if (fa->fa_tos &&
+		    fa->fa_tos != flp->fl4_tos)
+			continue;
+
+		if (fa->fa_scope < flp->fl4_scope)
+			continue;
+
+		fa->fa_state |= FA_S_ACCESSED;
+
+		err = fib_props[fa->fa_type].error;
 		if (err == 0) {
-		if (fi->fib_flags&RTNH_F_DEAD)
-			return 1;
+			struct fib_info *fi = fa->fa_info;
 
-		res->fi = fi;
+			if (fi->fib_flags & RTNH_F_DEAD)
+				continue;
 
-		switch (type) {
+			switch (fa->fa_type) {
 			case RTN_UNICAST:
 			case RTN_LOCAL:
 			case RTN_BROADCAST:
@@ -783,26 +799,34 @@ fib_semantic_match(int type, struct fib_info *fi, const struct flowi *flp, struc
 				}
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 				if (nhsel < fi->fib_nhs) {
-				res->nh_sel = nhsel;
-				atomic_inc(&fi->fib_clntref);
-				return 0;
+					nh_sel = nhsel;
+					goto out_fill_res;
 				}
 #else
 				if (nhsel < 1) {
-				atomic_inc(&fi->fib_clntref);
-				return 0;
+					goto out_fill_res;
 				}
 #endif
 				endfor_nexthops(fi);
-			res->fi = NULL;
-			return 1;
+				continue;
+
 			default:
-			res->fi = NULL;
 				printk(KERN_DEBUG "impossible 102\n");
 				return -EINVAL;
-		}
+			};
 		}
 		return err;
+	}
+	return 1;
+
+out_fill_res:
+	res->prefixlen = prefixlen;
+	res->nh_sel = nh_sel;
+	res->type = fa->fa_type;
+	res->scope = fa->fa_scope;
+	res->fi = fa->fa_info;
+	atomic_inc(&res->fi->fib_clntref);
+	return 0;
 }
 
 /* Find appropriate source address to this destination */

net/ipv4/tcp.c

@@ -691,6 +691,7 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page **pages, int poffse
 		skb->ip_summed = CHECKSUM_HW;
 		tp->write_seq += copy;
 		TCP_SKB_CB(skb)->end_seq += copy;
+		TCP_SKB_CB(skb)->tso_factor = 0;
 
 		if (!copied)
 			TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_PSH;
@@ -937,6 +938,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
 			tp->write_seq += copy;
 			TCP_SKB_CB(skb)->end_seq += copy;
+			TCP_SKB_CB(skb)->tso_factor = 0;
 
 			from += copy;
 			copied += copy;

net/ipv4/tcp_output.c

@@ -553,7 +553,7 @@ unsigned char * __pskb_trim_head(struct sk_buff *skb, int len)
 	return skb->tail;
 }
 
-static int __tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
+static int __tcp_trim_head(struct tcp_opt *tp, struct sk_buff *skb, u32 len)
 {
 	if (skb_cloned(skb) &&
 	    pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
@@ -567,12 +567,18 @@ static int __tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
 	}
 
 	skb->ip_summed = CHECKSUM_HW;
+
+	/* Any change of skb->len requires recalculation of tso
+	 * factor and mss.
+	 */
+	tcp_set_skb_tso_factor(skb, tp->mss_cache_std);
+
 	return 0;
 }
 
-static inline int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
+static inline int tcp_trim_head(struct tcp_opt *tp, struct sk_buff *skb, u32 len)
 {
-	int err = __tcp_trim_head(sk, skb, len);
+	int err = __tcp_trim_head(tp, skb, len);
 
 	if (!err)
 		TCP_SKB_CB(skb)->seq += len;
@@ -897,6 +903,9 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m
 		    ((skb_size + next_skb_size) > mss_now))
 			return;
 
+		BUG_ON(TCP_SKB_CB(skb)->tso_factor != 1 ||
+		       TCP_SKB_CB(next_skb)->tso_factor != 1);
+
 		/* Ok.  We will be able to collapse the packet. */
 		__skb_unlink(next_skb, next_skb->list);
 
@@ -1018,7 +1027,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 	if (skb->len > (data_end_seq - data_seq)) {
 		u32 to_trim = skb->len - (data_end_seq - data_seq);
 
-		if (__tcp_trim_head(sk, skb, to_trim))
+		if (__tcp_trim_head(tp, skb, to_trim))
 			return -ENOMEM;
 	}		
 
@@ -1032,7 +1041,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 			tp->mss_cache = tp->mss_cache_std;
 		}
 
-		if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))
+		if (tcp_trim_head(tp, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))
 			return -ENOMEM;
 	}
 
@@ -1080,6 +1089,7 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
 	   tp->snd_una == (TCP_SKB_CB(skb)->end_seq - 1)) {
 		if (!pskb_trim(skb, 0)) {
 			TCP_SKB_CB(skb)->seq = TCP_SKB_CB(skb)->end_seq - 1;
+			TCP_SKB_CB(skb)->tso_factor = 1;
 			skb->ip_summed = CHECKSUM_NONE;
 			skb->csum = 0;
 		}

net/ipv6/af_inet6.c

@@ -107,9 +107,9 @@ static void inet6_sock_destruct(struct sock *sk)
 
 static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
 {
-	const struct ipv6_sk_offset *offset = sk->sk_prot->af_specific;
+	const int offset = sk->sk_prot->slab_obj_size - sizeof(struct ipv6_pinfo);
 
-	return (struct ipv6_pinfo *)(((u8 *)sk) + offset->offset);
+	return (struct ipv6_pinfo *)(((u8 *)sk) + offset);
 }
 
 static int inet6_create(struct socket *sock, int protocol)

net/ipv6/raw.c

@@ -973,10 +973,6 @@ static int rawv6_init_sk(struct sock *sk)
 	return(0);
 }
 
-struct ipv6_sk_offset raw_sock_offset = {
-	.offset = offsetof(struct raw6_sock, inet6),
-};
-
 struct proto rawv6_prot = {
 	.name =		"RAW",
 	.close =	rawv6_close,
@@ -994,7 +990,6 @@ struct proto rawv6_prot = {
 	.hash =		raw_v6_hash,
 	.unhash =	raw_v6_unhash,
 	.slab_obj_size = sizeof(struct raw6_sock),
-	.af_specific =	&raw_sock_offset,
 };
 
 #ifdef CONFIG_PROC_FS

net/ipv6/tcp_ipv6.c

@@ -2122,10 +2122,6 @@ void tcp6_proc_exit(void)
 }
 #endif
 
-struct ipv6_sk_offset tcp_sock_offset = {
-	.offset = offsetof(struct tcp6_sock, inet6),
-};
-
 struct proto tcpv6_prot = {
 	.name			= "TCPv6",
 	.close			= tcp_close,
@@ -2153,7 +2149,6 @@ struct proto tcpv6_prot = {
 	.sysctl_rmem		= sysctl_tcp_rmem,
 	.max_header		= MAX_TCP_HEADER,
 	.slab_obj_size		= sizeof(struct tcp6_sock),
-	.af_specific		= &tcp_sock_offset,
 };
 
 static struct inet6_protocol tcpv6_protocol = {

net/ipv6/udp.c

@@ -1031,10 +1031,6 @@ void udp6_proc_exit(void) {
 
 /* ------------------------------------------------------------------------ */
 
-struct ipv6_sk_offset udp_sock_offset = {
-	.offset = offsetof(struct udp6_sock, inet6),
-};
-
 struct proto udpv6_prot = {
 	.name =		"UDP",
 	.close =	udpv6_close,
@@ -1051,7 +1047,6 @@ struct proto udpv6_prot = {
 	.unhash =	udp_v6_unhash,
 	.get_port =	udp_v6_get_port,
 	.slab_obj_size = sizeof(struct udp6_sock),
-	.af_specific =	&udp_sock_offset,
 };
 
 extern struct proto_ops inet6_dgram_ops;

net/llc/af_llc.c

@@ -638,7 +638,6 @@ static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags)
 	newsk = skb->sk;
 	/* attach connection to a new socket. */
 	llc_ui_sk_init(newsock, newsk);
-	newsk->sk_pair		= NULL;
 	newsk->sk_zapped	= 0;
 	newsk->sk_state		= TCP_ESTABLISHED;
 	newsock->state		= SS_CONNECTED;

net/netrom/af_netrom.c

@@ -801,7 +801,6 @@ static int nr_accept(struct socket *sock, struct socket *newsock, int flags)
 	remove_wait_queue(sk->sk_sleep, &wait);
 
 	newsk = skb->sk;
-	newsk->sk_pair = NULL;
 	newsk->sk_socket = newsock;
 	newsk->sk_sleep = &newsock->wait;
 
@@ -994,7 +993,6 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev)
 	nr_make->vl        = 0;
 	nr_make->state     = NR_STATE_3;
 	sk->sk_ack_backlog++;
-	make->sk_pair = sk;
 
 	nr_insert_socket(make);
 

net/rose/af_rose.c

@@ -882,7 +882,6 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
 	remove_wait_queue(sk->sk_sleep, &wait);
 
 	newsk = skb->sk;
-	newsk->sk_pair = NULL;
 	newsk->sk_socket = newsock;
 	newsk->sk_sleep = &newsock->wait;
 
@@ -996,7 +995,6 @@ int rose_rx_call_request(struct sk_buff *skb, struct net_device *dev, struct ros
 	make_rose->vr        = 0;
 	make_rose->vl        = 0;
 	sk->sk_ack_backlog++;
-	make->sk_pair = sk;
 
 	rose_insert_socket(make);
 

net/sctp/socket.c

@@ -4626,10 +4626,6 @@ struct proto sctp_prot = {
 };
 
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-struct ipv6_sk_offset sctp_sock_offset = {
-	.offset = offsetof(struct sctp6_sock, inet6),
-};
-
 struct proto sctpv6_prot = {
 	.name		= "SCTPv6",
 	.close		= sctp_close,
@@ -4650,6 +4646,5 @@ struct proto sctpv6_prot = {
 	.unhash		= sctp_unhash,
 	.get_port	= sctp_get_port,
 	.slab_obj_size	= sizeof(struct sctp6_sock),
-	.af_specific	= &sctp_sock_offset,
 };
 #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */

net/unix/af_unix.c

@@ -144,7 +144,7 @@ static inline unsigned unix_hash_fold(unsigned hash)
 	return hash&(UNIX_HASH_SIZE-1);
 }
 
-#define unix_peer(sk) ((sk)->sk_pair)
+#define unix_peer(sk) (unix_sk(sk)->peer)
 
 static inline int unix_our_peer(struct sock *sk, struct sock *osk)
 {

net/wanrouter/af_wanpipe.c

@@ -2423,7 +2423,6 @@ static int wanpipe_accept(struct socket *sock, struct socket *newsock, int flags
 	write_unlock(&wanpipe_sklist_lock);
 	clear_bit(1,&wanpipe_tx_critical);
 
-	newsk->sk_pair = NULL;
 	newsk->sk_socket = newsock;
 	newsk->sk_sleep = &newsock->wait;
 

net/x25/af_x25.c

@@ -769,7 +769,6 @@ static int x25_accept(struct socket *sock, struct socket *newsock, int flags)
 	if (!skb->sk)
 		goto out2;
 	newsk		 = skb->sk;
-	newsk->sk_pair   = NULL;
 	newsk->sk_socket = newsock;
 	newsk->sk_sleep  = &newsock->wait;
 
@@ -887,7 +886,6 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
 	makex25->state = X25_STATE_3;
 
 	sk->sk_ack_backlog++;
-	make->sk_pair = sk;
 
 	x25_insert_socket(make);