Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

Signed-off-by: Steve French <sfrench@us.ibm.com>

4 files changed, 107 insertions, 93 deletions

diff --git a/net/sctp/input.c b/net/sctp/input.c
index cb78b50868e..d117ebc75cf 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -127,7 +127,6 @@ int sctp_rcv(struct sk_buff *skb)
 	union sctp_addr dest;
 	int family;
 	struct sctp_af *af;
-	int ret = 0;
 
 	if (skb->pkt_type!=PACKET_HOST)
 		goto discard_it;
@@ -227,16 +226,13 @@ int sctp_rcv(struct sk_buff *skb)
 		goto discard_release;
 	nf_reset(skb);
 
-	ret = sk_filter(sk, skb, 1);
-	if (ret)
+	if (sk_filter(sk, skb, 1))
                 goto discard_release;
 
 	/* Create an SCTP packet structure. */
 	chunk = sctp_chunkify(skb, asoc, sk);
-	if (!chunk) {
-		ret = -ENOMEM;
+	if (!chunk)
 		goto discard_release;
-	}
 	SCTP_INPUT_CB(skb)->chunk = chunk;
 
 	/* Remember what endpoint is to handle this packet. */
@@ -277,11 +273,11 @@ int sctp_rcv(struct sk_buff *skb)
 	sctp_bh_unlock_sock(sk);
 	sock_put(sk);
 
-	return ret;
+	return 0;
 
 discard_it:
 	kfree_skb(skb);
-	return ret;
+	return 0;
 
 discard_release:
 	/* Release any structures we may be holding. */
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 2e266129a76..c20d282fac0 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -861,23 +861,27 @@ static int sctp_inet6_supported_addrs(const struct sctp_sock *opt,
 }
 
 static const struct proto_ops inet6_seqpacket_ops = {
-	.family     = PF_INET6,
-	.owner      = THIS_MODULE,
-	.release    = inet6_release,
-	.bind       = inet6_bind,
-	.connect    = inet_dgram_connect,
-	.socketpair = sock_no_socketpair,
-	.accept     = inet_accept,
-	.getname    = inet6_getname,
-	.poll       = sctp_poll,
-	.ioctl      = inet6_ioctl,
-	.listen     = sctp_inet_listen,
-	.shutdown   = inet_shutdown,
-	.setsockopt = sock_common_setsockopt,
-	.getsockopt = sock_common_getsockopt,
-	.sendmsg    = inet_sendmsg,
-	.recvmsg    = sock_common_recvmsg,
-	.mmap       = sock_no_mmap,
+	.family		   = PF_INET6,
+	.owner		   = THIS_MODULE,
+	.release	   = inet6_release,
+	.bind		   = inet6_bind,
+	.connect	   = inet_dgram_connect,
+	.socketpair	   = sock_no_socketpair,
+	.accept		   = inet_accept,
+	.getname	   = inet6_getname,
+	.poll		   = sctp_poll,
+	.ioctl		   = inet6_ioctl,
+	.listen		   = sctp_inet_listen,
+	.shutdown	   = inet_shutdown,
+	.setsockopt	   = sock_common_setsockopt,
+	.getsockopt	   = sock_common_getsockopt,
+	.sendmsg	   = inet_sendmsg,
+	.recvmsg	   = sock_common_recvmsg,
+	.mmap		   = sock_no_mmap,
+#ifdef CONFIG_COMPAT
+	.compat_setsockopt = compat_sock_common_setsockopt,
+	.compat_getsockopt = compat_sock_common_getsockopt,
+#endif
 };
 
 static struct inet_protosw sctpv6_seqpacket_protosw = {
@@ -911,31 +915,35 @@ static struct inet6_protocol sctpv6_protocol = {
 };
 
 static struct sctp_af sctp_ipv6_specific = {
-	.sctp_xmit       = sctp_v6_xmit,
-	.setsockopt      = ipv6_setsockopt,
-	.getsockopt      = ipv6_getsockopt,
-	.get_dst	 = sctp_v6_get_dst,
-	.get_saddr	 = sctp_v6_get_saddr,
-	.copy_addrlist   = sctp_v6_copy_addrlist,
-	.from_skb        = sctp_v6_from_skb,
-	.from_sk         = sctp_v6_from_sk,
-	.to_sk_saddr     = sctp_v6_to_sk_saddr,
-	.to_sk_daddr     = sctp_v6_to_sk_daddr,
-	.from_addr_param = sctp_v6_from_addr_param,
-	.to_addr_param   = sctp_v6_to_addr_param,
-	.dst_saddr       = sctp_v6_dst_saddr,
-	.cmp_addr        = sctp_v6_cmp_addr,
-	.scope           = sctp_v6_scope,
-	.addr_valid      = sctp_v6_addr_valid,
-	.inaddr_any      = sctp_v6_inaddr_any,
-	.is_any          = sctp_v6_is_any,
-	.available       = sctp_v6_available,
-	.skb_iif         = sctp_v6_skb_iif,
-	.is_ce           = sctp_v6_is_ce,
-	.seq_dump_addr   = sctp_v6_seq_dump_addr,
-	.net_header_len  = sizeof(struct ipv6hdr),
-	.sockaddr_len    = sizeof(struct sockaddr_in6),
-	.sa_family       = AF_INET6,
+	.sa_family	   = AF_INET6,
+	.sctp_xmit	   = sctp_v6_xmit,
+	.setsockopt	   = ipv6_setsockopt,
+	.getsockopt	   = ipv6_getsockopt,
+	.get_dst	   = sctp_v6_get_dst,
+	.get_saddr	   = sctp_v6_get_saddr,
+	.copy_addrlist	   = sctp_v6_copy_addrlist,
+	.from_skb	   = sctp_v6_from_skb,
+	.from_sk	   = sctp_v6_from_sk,
+	.to_sk_saddr	   = sctp_v6_to_sk_saddr,
+	.to_sk_daddr	   = sctp_v6_to_sk_daddr,
+	.from_addr_param   = sctp_v6_from_addr_param,
+	.to_addr_param	   = sctp_v6_to_addr_param,
+	.dst_saddr	   = sctp_v6_dst_saddr,
+	.cmp_addr	   = sctp_v6_cmp_addr,
+	.scope		   = sctp_v6_scope,
+	.addr_valid	   = sctp_v6_addr_valid,
+	.inaddr_any	   = sctp_v6_inaddr_any,
+	.is_any		   = sctp_v6_is_any,
+	.available	   = sctp_v6_available,
+	.skb_iif	   = sctp_v6_skb_iif,
+	.is_ce		   = sctp_v6_is_ce,
+	.seq_dump_addr	   = sctp_v6_seq_dump_addr,
+	.net_header_len	   = sizeof(struct ipv6hdr),
+	.sockaddr_len	   = sizeof(struct sockaddr_in6),
+#ifdef CONFIG_COMPAT
+	.compat_setsockopt = compat_ipv6_setsockopt,
+	.compat_getsockopt = compat_ipv6_getsockopt,
+#endif
 };
 
 static struct sctp_pf sctp_pf_inet6_specific = {
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index de693b43c8e..2088aa992b7 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -831,24 +831,28 @@ static struct notifier_block sctp_inetaddr_notifier = {
 
 /* Socket operations.  */
 static const struct proto_ops inet_seqpacket_ops = {
-	.family      = PF_INET,
-	.owner       = THIS_MODULE,
-	.release     = inet_release,       /* Needs to be wrapped... */
-	.bind        = inet_bind,
-	.connect     = inet_dgram_connect,
-	.socketpair  = sock_no_socketpair,
-	.accept      = inet_accept,
-	.getname     = inet_getname,      /* Semantics are different.  */
-	.poll        = sctp_poll,
-	.ioctl       = inet_ioctl,
-	.listen      = sctp_inet_listen,
-	.shutdown    = inet_shutdown,     /* Looks harmless.  */
-	.setsockopt  = sock_common_setsockopt,   /* IP_SOL IP_OPTION is a problem. */
-	.getsockopt  = sock_common_getsockopt,
-	.sendmsg     = inet_sendmsg,
-	.recvmsg     = sock_common_recvmsg,
-	.mmap        = sock_no_mmap,
-	.sendpage    = sock_no_sendpage,
+	.family		   = PF_INET,
+	.owner		   = THIS_MODULE,
+	.release	   = inet_release,	/* Needs to be wrapped... */
+	.bind		   = inet_bind,
+	.connect	   = inet_dgram_connect,
+	.socketpair	   = sock_no_socketpair,
+	.accept		   = inet_accept,
+	.getname	   = inet_getname,	/* Semantics are different.  */
+	.poll		   = sctp_poll,
+	.ioctl		   = inet_ioctl,
+	.listen		   = sctp_inet_listen,
+	.shutdown	   = inet_shutdown,	/* Looks harmless.  */
+	.setsockopt	   = sock_common_setsockopt, /* IP_SOL IP_OPTION is a problem */
+	.getsockopt	   = sock_common_getsockopt,
+	.sendmsg	   = inet_sendmsg,
+	.recvmsg	   = sock_common_recvmsg,
+	.mmap		   = sock_no_mmap,
+	.sendpage	   = sock_no_sendpage,
+#ifdef CONFIG_COMPAT
+	.compat_setsockopt = compat_sock_common_setsockopt,
+	.compat_getsockopt = compat_sock_common_getsockopt,
+#endif
 };
 
 /* Registration with AF_INET family.  */
@@ -880,31 +884,35 @@ static struct net_protocol sctp_protocol = {
 
 /* IPv4 address related functions.  */
 static struct sctp_af sctp_ipv4_specific = {
-	.sctp_xmit      = sctp_v4_xmit,
-	.setsockopt     = ip_setsockopt,
-	.getsockopt     = ip_getsockopt,
-	.get_dst	= sctp_v4_get_dst,
-	.get_saddr	= sctp_v4_get_saddr,
-	.copy_addrlist  = sctp_v4_copy_addrlist,
-	.from_skb       = sctp_v4_from_skb,
-	.from_sk        = sctp_v4_from_sk,
-	.to_sk_saddr    = sctp_v4_to_sk_saddr,
-	.to_sk_daddr    = sctp_v4_to_sk_daddr,
-	.from_addr_param= sctp_v4_from_addr_param,
-	.to_addr_param  = sctp_v4_to_addr_param,	
-	.dst_saddr      = sctp_v4_dst_saddr,
-	.cmp_addr       = sctp_v4_cmp_addr,
-	.addr_valid     = sctp_v4_addr_valid,
-	.inaddr_any     = sctp_v4_inaddr_any,
-	.is_any         = sctp_v4_is_any,
-	.available      = sctp_v4_available,
-	.scope          = sctp_v4_scope,
-	.skb_iif        = sctp_v4_skb_iif,
-	.is_ce          = sctp_v4_is_ce,
-	.seq_dump_addr  = sctp_v4_seq_dump_addr,
-	.net_header_len = sizeof(struct iphdr),
-	.sockaddr_len   = sizeof(struct sockaddr_in),
-	.sa_family      = AF_INET,
+	.sa_family	   = AF_INET,
+	.sctp_xmit	   = sctp_v4_xmit,
+	.setsockopt	   = ip_setsockopt,
+	.getsockopt	   = ip_getsockopt,
+	.get_dst	   = sctp_v4_get_dst,
+	.get_saddr	   = sctp_v4_get_saddr,
+	.copy_addrlist	   = sctp_v4_copy_addrlist,
+	.from_skb	   = sctp_v4_from_skb,
+	.from_sk	   = sctp_v4_from_sk,
+	.to_sk_saddr	   = sctp_v4_to_sk_saddr,
+	.to_sk_daddr	   = sctp_v4_to_sk_daddr,
+	.from_addr_param   = sctp_v4_from_addr_param,
+	.to_addr_param	   = sctp_v4_to_addr_param,
+	.dst_saddr	   = sctp_v4_dst_saddr,
+	.cmp_addr	   = sctp_v4_cmp_addr,
+	.addr_valid	   = sctp_v4_addr_valid,
+	.inaddr_any	   = sctp_v4_inaddr_any,
+	.is_any		   = sctp_v4_is_any,
+	.available	   = sctp_v4_available,
+	.scope		   = sctp_v4_scope,
+	.skb_iif	   = sctp_v4_skb_iif,
+	.is_ce		   = sctp_v4_is_ce,
+	.seq_dump_addr	   = sctp_v4_seq_dump_addr,
+	.net_header_len	   = sizeof(struct iphdr),
+	.sockaddr_len	   = sizeof(struct sockaddr_in),
+#ifdef CONFIG_COMPAT
+	.compat_setsockopt = compat_ip_setsockopt,
+	.compat_getsockopt = compat_ip_getsockopt,
+#endif
 };
 
 struct sctp_pf *sctp_get_pf_specific(sa_family_t family) {
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 0ea947eb681..b6e4b89539b 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4894,6 +4894,8 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
 	/* Is there any exceptional events?  */
 	if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
 		mask |= POLLERR;
+	if (sk->sk_shutdown & RCV_SHUTDOWN)
+		mask |= POLLRDHUP;
 	if (sk->sk_shutdown == SHUTDOWN_MASK)
 		mask |= POLLHUP;