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

include/linux/atmdev.h

···
 					/* set interface ESI */
 #define ATM_SETESIF	_IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
 					/* force interface ESI */
+#define ATM_ADDLECSADDR	_IOW('a', ATMIOC_ITF+14, struct atmif_sioc)
+					/* register a LECS address */
+#define ATM_DELLECSADDR	_IOW('a', ATMIOC_ITF+15, struct atmif_sioc)
+					/* unregister a LECS address */
+#define ATM_GETLECSADDR	_IOW('a', ATMIOC_ITF+16, struct atmif_sioc)
+					/* retrieve LECS address(es) */
+
 #define ATM_GETSTAT	_IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
 					/* get AAL layer statistics */
 #define ATM_GETSTATZ	_IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
···
 	struct list_head entry;		/* next address */
 };
 
+enum atm_addr_type_t { ATM_ADDR_LOCAL, ATM_ADDR_LECS };
+
 struct atm_dev {
 	const struct atmdev_ops *ops;	/* device operations; NULL if unused */
 	const struct atmphy_ops *phy;	/* PHY operations, may be undefined */
···
 	void		*phy_data;	/* private PHY date */
 	unsigned long	flags;		/* device flags (ATM_DF_*) */
 	struct list_head local;		/* local ATM addresses */
+	struct list_head lecs;		/* LECS ATM addresses learned via ILMI */
 	unsigned char	esi[ESI_LEN];	/* ESI ("MAC" addr) */
 	struct atm_cirange ci_range;	/* VPI/VCI range */
 	struct k_atm_dev_stats stats;	/* statistics */

include/net/sctp/user.h

···
 #define SCTP_SOCKOPT_BINDX_REM	SCTP_SOCKOPT_BINDX_REM
 	SCTP_SOCKOPT_PEELOFF, 	/* peel off association. */
 #define SCTP_SOCKOPT_PEELOFF	SCTP_SOCKOPT_PEELOFF
-	SCTP_GET_PEER_ADDRS_NUM, 	/* Get number of peer addresss. */
-#define SCTP_GET_PEER_ADDRS_NUM	SCTP_GET_PEER_ADDRS_NUM
-	SCTP_GET_PEER_ADDRS, 	/* Get all peer addresss. */
-#define SCTP_GET_PEER_ADDRS	SCTP_GET_PEER_ADDRS
-	SCTP_GET_LOCAL_ADDRS_NUM, 	/* Get number of local addresss. */
-#define SCTP_GET_LOCAL_ADDRS_NUM	SCTP_GET_LOCAL_ADDRS_NUM
-	SCTP_GET_LOCAL_ADDRS, 	/* Get all local addresss. */
-#define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
+	SCTP_GET_PEER_ADDRS_NUM_OLD, 	/* Get number of peer addresss. */
+#define SCTP_GET_PEER_ADDRS_NUM_OLD	SCTP_GET_PEER_ADDRS_NUM_OLD
+	SCTP_GET_PEER_ADDRS_OLD, 	/* Get all peer addresss. */
+#define SCTP_GET_PEER_ADDRS_OLD	SCTP_GET_PEER_ADDRS_OLD
+	SCTP_GET_LOCAL_ADDRS_NUM_OLD, 	/* Get number of local addresss. */
+#define SCTP_GET_LOCAL_ADDRS_NUM_OLD	SCTP_GET_LOCAL_ADDRS_NUM_OLD
+	SCTP_GET_LOCAL_ADDRS_OLD, 	/* Get all local addresss. */
+#define SCTP_GET_LOCAL_ADDRS_OLD	SCTP_GET_LOCAL_ADDRS_OLD
 	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
 #define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
+	SCTP_GET_PEER_ADDRS, 	/* Get all peer addresss. */
+#define SCTP_GET_PEER_ADDRS	SCTP_GET_PEER_ADDRS
+	SCTP_GET_LOCAL_ADDRS, 	/* Get all local addresss. */
+#define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
 };
 
 /*
···
 	int spc_state;
 	int spc_error;
 	sctp_assoc_t spc_assoc_id;
-};
+} __attribute__((packed, aligned(4)));
 
 /*
  *    spc_state:  32 bits (signed integer)
···
 struct sctp_setpeerprim {
 	sctp_assoc_t            sspp_assoc_id;
 	struct sockaddr_storage sspp_addr;
-};
+} __attribute__((packed, aligned(4)));
 
 /*
  * 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
···
 struct sctp_prim {
 	sctp_assoc_t            ssp_assoc_id;
 	struct sockaddr_storage ssp_addr;
-};
+} __attribute__((packed, aligned(4)));
 
 /*
  * 7.1.11 Set Adaption Layer Indicator (SCTP_ADAPTION_LAYER)
···
 	struct sockaddr_storage	spp_address;
 	__u32			spp_hbinterval;
 	__u16			spp_pathmaxrxt;
-};
+} __attribute__((packed, aligned(4)));
 
 /*
  * 7.2.2 Peer Address Information
···
 	__u32			spinfo_srtt;
 	__u32			spinfo_rto;
 	__u32			spinfo_mtu;
-};
+} __attribute__((packed, aligned(4)));
 
 /* Peer addresses's state. */
 enum sctp_spinfo_state {
···
  * SCTP_GET_LOCAL_ADDRS socket options used internally to implement
  * sctp_getpaddrs() and sctp_getladdrs() API. 
  */
-struct sctp_getaddrs {
+struct sctp_getaddrs_old {
 	sctp_assoc_t            assoc_id;
 	int			addr_num;
 	struct sockaddr		__user *addrs;
+};
+struct sctp_getaddrs {
+	sctp_assoc_t		assoc_id; /*input*/
+	__u32			addr_num; /*output*/
+	__u8			addrs[0]; /*output, variable size*/
 };
 
 /* These are bit fields for msghdr->msg_flags.  See section 5.1.  */

net/atm/addr.c

···
 	sigd_enq(NULL, as_itf_notify, NULL, &pvc, NULL);
 }
 
-void atm_reset_addr(struct atm_dev *dev)
+void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t atype)
 {
 	unsigned long flags;
 	struct atm_dev_addr *this, *p;
+	struct list_head *head;
 
 	spin_lock_irqsave(&dev->lock, flags);
-	list_for_each_entry_safe(this, p, &dev->local, entry) {
+	if (atype == ATM_ADDR_LECS)
+		head = &dev->lecs;
+	else
+		head = &dev->local;
+	list_for_each_entry_safe(this, p, head, entry) {
 		list_del(&this->entry);
 		kfree(this);
 	}
 	spin_unlock_irqrestore(&dev->lock, flags);
-	notify_sigd(dev);
+	if (head == &dev->local)
+		notify_sigd(dev);
 }
 
-int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
+int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+		 enum atm_addr_type_t atype)
 {
 	unsigned long flags;
 	struct atm_dev_addr *this;
+	struct list_head *head;
 	int error;
 
 	error = check_addr(addr);
 	if (error)
 		return error;
 	spin_lock_irqsave(&dev->lock, flags);
-	list_for_each_entry(this, &dev->local, entry) {
+	if (atype == ATM_ADDR_LECS)
+		head = &dev->lecs;
+	else
+		head = &dev->local;
+	list_for_each_entry(this, head, entry) {
 		if (identical(&this->addr, addr)) {
 			spin_unlock_irqrestore(&dev->lock, flags);
 			return -EEXIST;
···
 		return -ENOMEM;
 	}
 	this->addr = *addr;
-	list_add(&this->entry, &dev->local);
+	list_add(&this->entry, head);
 	spin_unlock_irqrestore(&dev->lock, flags);
-	notify_sigd(dev);
+	if (head == &dev->local)
+		notify_sigd(dev);
 	return 0;
 }
 
-int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
+int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+		 enum atm_addr_type_t atype)
 {
 	unsigned long flags;
 	struct atm_dev_addr *this;
+	struct list_head *head;
 	int error;
 
 	error = check_addr(addr);
 	if (error)
 		return error;
 	spin_lock_irqsave(&dev->lock, flags);
-	list_for_each_entry(this, &dev->local, entry) {
+	if (atype == ATM_ADDR_LECS)
+		head = &dev->lecs;
+	else
+		head = &dev->local;
+	list_for_each_entry(this, head, entry) {
 		if (identical(&this->addr, addr)) {
 			list_del(&this->entry);
 			spin_unlock_irqrestore(&dev->lock, flags);
 			kfree(this);
-			notify_sigd(dev);
+			if (head == &dev->local)
+				notify_sigd(dev);
 			return 0;
 		}
 	}
···
 }
 
 int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user * buf,
-		 size_t size)
+		 size_t size, enum atm_addr_type_t atype)
 {
 	unsigned long flags;
 	struct atm_dev_addr *this;
+	struct list_head *head;
 	int total = 0, error;
 	struct sockaddr_atmsvc *tmp_buf, *tmp_bufp;
 
 	spin_lock_irqsave(&dev->lock, flags);
-	list_for_each_entry(this, &dev->local, entry)
+	if (atype == ATM_ADDR_LECS)
+		head = &dev->lecs;
+	else
+		head = &dev->local;
+	list_for_each_entry(this, head, entry)
 	    total += sizeof(struct sockaddr_atmsvc);
 	tmp_buf = tmp_bufp = kmalloc(total, GFP_ATOMIC);
 	if (!tmp_buf) {
 		spin_unlock_irqrestore(&dev->lock, flags);
 		return -ENOMEM;
 	}
-	list_for_each_entry(this, &dev->local, entry)
+	list_for_each_entry(this, head, entry)
 	    memcpy(tmp_bufp++, &this->addr, sizeof(struct sockaddr_atmsvc));
 	spin_unlock_irqrestore(&dev->lock, flags);
 	error = total > size ? -E2BIG : total;

net/atm/addr.h

···
 #include <linux/atm.h>
 #include <linux/atmdev.h>
 
-
-void atm_reset_addr(struct atm_dev *dev);
-int atm_add_addr(struct atm_dev *dev,struct sockaddr_atmsvc *addr);
-int atm_del_addr(struct atm_dev *dev,struct sockaddr_atmsvc *addr);
-int atm_get_addr(struct atm_dev *dev,struct sockaddr_atmsvc __user *buf,size_t size);
+void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t type);
+int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+		 enum atm_addr_type_t type);
+int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
+		 enum atm_addr_type_t type);
+int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf,
+		 size_t size, enum atm_addr_type_t type);
 
 #endif

net/atm/br2684.c

···
 		/* netif_stop_queue(dev); */
 		dev_kfree_skb(skb);
 		read_unlock(&devs_lock);
-		return -EUNATCH;
+		return 0;
 	}
 	if (!br2684_xmit_vcc(skb, brdev, brvcc)) {
 		/*

net/atm/resources.c

···
 	dev->link_rate = ATM_OC3_PCR;
 	spin_lock_init(&dev->lock);
 	INIT_LIST_HEAD(&dev->local);
+	INIT_LIST_HEAD(&dev->lecs);
 
 	return dev;
 }
···
 				error = -EPERM;
 				goto done;
 			}
-			atm_reset_addr(dev);
+			atm_reset_addr(dev, ATM_ADDR_LOCAL);
 			break;
 		case ATM_ADDADDR:
 		case ATM_DELADDR:
+		case ATM_ADDLECSADDR:
+		case ATM_DELLECSADDR:
 			if (!capable(CAP_NET_ADMIN)) {
 				error = -EPERM;
 				goto done;
···
 					error = -EFAULT;
 					goto done;
 				}
-				if (cmd == ATM_ADDADDR)
-					error = atm_add_addr(dev, &addr);
+				if (cmd == ATM_ADDADDR || cmd == ATM_ADDLECSADDR)
+					error = atm_add_addr(dev, &addr,
+							     (cmd == ATM_ADDADDR ?
+							      ATM_ADDR_LOCAL : ATM_ADDR_LECS));
 				else
-					error = atm_del_addr(dev, &addr);
+					error = atm_del_addr(dev, &addr,
+							     (cmd == ATM_DELADDR ?
+							      ATM_ADDR_LOCAL : ATM_ADDR_LECS));
 				goto done;
 			}
 		case ATM_GETADDR:
-			error = atm_get_addr(dev, buf, len);
+		case ATM_GETLECSADDR:
+			error = atm_get_addr(dev, buf, len,
+					     (cmd == ATM_GETADDR ?
+					      ATM_ADDR_LOCAL : ATM_ADDR_LECS));
 			if (error < 0)
 				goto done;
 			size = error;

net/sctp/socket.c

···
 	return 0;
 }
 
-static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
-					  char __user *optval, int __user *optlen)
+static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
+					      char __user *optval,
+					      int __user *optlen)
 {
 	sctp_assoc_t id;
 	struct sctp_association *asoc;
···
 	return cnt;
 }
 
-static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
-				      char __user *optval, int __user *optlen)
+/* 
+ * Old API for getting list of peer addresses. Does not work for 32-bit
+ * programs running on a 64-bit kernel
+ */
+static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
+					  char __user *optval,
+					  int __user *optlen)
 {
 	struct sctp_association *asoc;
 	struct list_head *pos;
 	int cnt = 0;
-	struct sctp_getaddrs getaddrs;
+	struct sctp_getaddrs_old getaddrs;
 	struct sctp_transport *from;
 	void __user *to;
 	union sctp_addr temp;
 	struct sctp_sock *sp = sctp_sk(sk);
 	int addrlen;
 
-	if (len != sizeof(struct sctp_getaddrs))
+	if (len != sizeof(struct sctp_getaddrs_old))
 		return -EINVAL;
 
-	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
 		return -EFAULT;
 
 	if (getaddrs.addr_num <= 0) return -EINVAL;
···
 		if (cnt >= getaddrs.addr_num) break;
 	}
 	getaddrs.addr_num = cnt;
-	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs)))
+	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
 		return -EFAULT;
 
 	return 0;
 }
 
-static int sctp_getsockopt_local_addrs_num(struct sock *sk, int len,
-						char __user *optval,
-						int __user *optlen)
+static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
+				      char __user *optval, int __user *optlen)
+{
+	struct sctp_association *asoc;
+	struct list_head *pos;
+	int cnt = 0;
+	struct sctp_getaddrs getaddrs;
+	struct sctp_transport *from;
+	void __user *to;
+	union sctp_addr temp;
+	struct sctp_sock *sp = sctp_sk(sk);
+	int addrlen;
+	size_t space_left;
+	int bytes_copied;
+
+	if (len < sizeof(struct sctp_getaddrs))
+		return -EINVAL;
+
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+		return -EFAULT;
+
+	/* For UDP-style sockets, id specifies the association to query.  */
+	asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
+	if (!asoc)
+		return -EINVAL;
+
+	to = optval + offsetof(struct sctp_getaddrs,addrs);
+	space_left = len - sizeof(struct sctp_getaddrs) - 
+			offsetof(struct sctp_getaddrs,addrs);
+
+	list_for_each(pos, &asoc->peer.transport_addr_list) {
+		from = list_entry(pos, struct sctp_transport, transports);
+		memcpy(&temp, &from->ipaddr, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
+		addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
+		if(space_left < addrlen)
+			return -ENOMEM;
+		temp.v4.sin_port = htons(temp.v4.sin_port);
+		if (copy_to_user(to, &temp, addrlen))
+			return -EFAULT;
+		to += addrlen;
+		cnt++;
+		space_left -= addrlen;
+	}
+
+	if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
+		return -EFAULT;
+	bytes_copied = ((char __user *)to) - optval;
+	if (put_user(bytes_copied, optlen))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
+					       char __user *optval,
+					       int __user *optlen)
 {
 	sctp_assoc_t id;
 	struct sctp_bind_addr *bp;
···
 /* Helper function that copies local addresses to user and returns the number
  * of addresses copied.
  */
-static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, int max_addrs,
-				    void __user *to)
+static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_addrs,
+					void __user *to)
 {
 	struct list_head *pos;
 	struct sctp_sockaddr_entry *addr;
···
 	return cnt;
 }
 
-static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
-				       char __user *optval, int __user *optlen)
+static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
+				    void * __user *to, size_t space_left)
+{
+	struct list_head *pos;
+	struct sctp_sockaddr_entry *addr;
+	unsigned long flags;
+	union sctp_addr temp;
+	int cnt = 0;
+	int addrlen;
+
+	sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
+	list_for_each(pos, &sctp_local_addr_list) {
+		addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+		if ((PF_INET == sk->sk_family) && 
+		    (AF_INET6 == addr->a.sa.sa_family))
+			continue;
+		memcpy(&temp, &addr->a, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
+								&temp);
+		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
+		if(space_left<addrlen)
+			return -ENOMEM;
+		temp.v4.sin_port = htons(port);
+		if (copy_to_user(*to, &temp, addrlen)) {
+			sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
+						    flags);
+			return -EFAULT;
+		}
+		*to += addrlen;
+		cnt ++;
+		space_left -= addrlen;
+	}
+	sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags);
+
+	return cnt;
+}
+
+/* Old API for getting list of local addresses. Does not work for 32-bit
+ * programs running on a 64-bit kernel
+ */
+static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
+					   char __user *optval, int __user *optlen)
 {
 	struct sctp_bind_addr *bp;
 	struct sctp_association *asoc;
 	struct list_head *pos;
 	int cnt = 0;
-	struct sctp_getaddrs getaddrs;
+	struct sctp_getaddrs_old getaddrs;
 	struct sctp_sockaddr_entry *addr;
 	void __user *to;
 	union sctp_addr temp;
···
 	rwlock_t *addr_lock;
 	int err = 0;
 
-	if (len != sizeof(struct sctp_getaddrs))
+	if (len != sizeof(struct sctp_getaddrs_old))
 		return -EINVAL;
 
-	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
 		return -EFAULT;
 
 	if (getaddrs.addr_num <= 0) return -EINVAL;
···
 		addr = list_entry(bp->address_list.next,
 				  struct sctp_sockaddr_entry, list);
 		if (sctp_is_any(&addr->a)) {
-			cnt = sctp_copy_laddrs_to_user(sk, bp->port,
-						       getaddrs.addr_num, to);
+			cnt = sctp_copy_laddrs_to_user_old(sk, bp->port,
+							   getaddrs.addr_num,
+							   to);
 			if (cnt < 0) {
 				err = cnt;
 				goto unlock;
···
 
 copy_getaddrs:
 	getaddrs.addr_num = cnt;
-	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs)))
+	if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
 		err = -EFAULT;
+
+unlock:
+	sctp_read_unlock(addr_lock);
+	return err;
+}
+
+static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
+				       char __user *optval, int __user *optlen)
+{
+	struct sctp_bind_addr *bp;
+	struct sctp_association *asoc;
+	struct list_head *pos;
+	int cnt = 0;
+	struct sctp_getaddrs getaddrs;
+	struct sctp_sockaddr_entry *addr;
+	void __user *to;
+	union sctp_addr temp;
+	struct sctp_sock *sp = sctp_sk(sk);
+	int addrlen;
+	rwlock_t *addr_lock;
+	int err = 0;
+	size_t space_left;
+	int bytes_copied;
+
+	if (len <= sizeof(struct sctp_getaddrs))
+		return -EINVAL;
+
+	if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
+		return -EFAULT;
+
+	/*
+	 *  For UDP-style sockets, id specifies the association to query.
+	 *  If the id field is set to the value '0' then the locally bound
+	 *  addresses are returned without regard to any particular
+	 *  association.
+	 */
+	if (0 == getaddrs.assoc_id) {
+		bp = &sctp_sk(sk)->ep->base.bind_addr;
+		addr_lock = &sctp_sk(sk)->ep->base.addr_lock;
+	} else {
+		asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
+		if (!asoc)
+			return -EINVAL;
+		bp = &asoc->base.bind_addr;
+		addr_lock = &asoc->base.addr_lock;
+	}
+
+	to = optval + offsetof(struct sctp_getaddrs,addrs);
+	space_left = len - sizeof(struct sctp_getaddrs) -
+			 offsetof(struct sctp_getaddrs,addrs);
+
+	sctp_read_lock(addr_lock);
+
+	/* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
+	 * addresses from the global local address list.
+	 */
+	if (sctp_list_single_entry(&bp->address_list)) {
+		addr = list_entry(bp->address_list.next,
+				  struct sctp_sockaddr_entry, list);
+		if (sctp_is_any(&addr->a)) {
+			cnt = sctp_copy_laddrs_to_user(sk, bp->port,
+						       &to, space_left);
+			if (cnt < 0) {
+				err = cnt;
+				goto unlock;
+			}
+			goto copy_getaddrs;		
+		}
+	}
+
+	list_for_each(pos, &bp->address_list) {
+		addr = list_entry(pos, struct sctp_sockaddr_entry, list);
+		memcpy(&temp, &addr->a, sizeof(temp));
+		sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
+		addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
+		if(space_left < addrlen)
+			return -ENOMEM; /*fixme: right error?*/
+		temp.v4.sin_port = htons(temp.v4.sin_port);
+		if (copy_to_user(to, &temp, addrlen)) {
+			err = -EFAULT;
+			goto unlock;
+		}
+		to += addrlen;
+		cnt ++;
+		space_left -= addrlen;
+	}
+
+copy_getaddrs:
+	if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
+		return -EFAULT;
+	bytes_copied = ((char __user *)to) - optval;
+	if (put_user(bytes_copied, optlen))
+		return -EFAULT;
 
 unlock:
 	sctp_read_unlock(addr_lock);
···
 	case SCTP_INITMSG:
 		retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
 		break;
-	case SCTP_GET_PEER_ADDRS_NUM:
-		retval = sctp_getsockopt_peer_addrs_num(sk, len, optval,
+	case SCTP_GET_PEER_ADDRS_NUM_OLD:
+		retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
+							    optlen);
+		break;
+	case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
+		retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
+							     optlen);
+		break;
+	case SCTP_GET_PEER_ADDRS_OLD:
+		retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
 							optlen);
 		break;
-	case SCTP_GET_LOCAL_ADDRS_NUM:
-		retval = sctp_getsockopt_local_addrs_num(sk, len, optval,
+	case SCTP_GET_LOCAL_ADDRS_OLD:
+		retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
 							 optlen);
 		break;
 	case SCTP_GET_PEER_ADDRS: