Merge commit 'v2.6.32-rc4' into perf/core

Merge reason: we were on an -rc1 base, merge up to -rc4.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

11 files changed, 37 insertions, 29 deletions

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 58c4b0f7c4aa..57737b8d1711 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1119,6 +1119,7 @@ int inet_sk_rebuild_header(struct sock *sk)
 {
         struct flowi fl = {
                 .oif = sk->sk_bound_dev_if,
+                .mark = sk->sk_mark,
                 .nl_u = {
                         .ip4_u = {
                                 .daddr  = daddr,
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e92f1fd28aa5..5df2f6a0b0f0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1077,12 +1077,16 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
                 ip_mc_up(in_dev);
                 /* fall through */
         case NETDEV_CHANGEADDR:
-                if (IN_DEV_ARP_NOTIFY(in_dev))
-                        arp_send(ARPOP_REQUEST, ETH_P_ARP,
-                                 in_dev->ifa_list->ifa_address,
-                                 dev,
-                                 in_dev->ifa_list->ifa_address,
-                                 NULL, dev->dev_addr, NULL);
+                /* Send gratuitous ARP to notify of link change */
+                if (IN_DEV_ARP_NOTIFY(in_dev)) {
+                        struct in_ifaddr *ifa = in_dev->ifa_list;
+
+                        if (ifa)
+                                arp_send(ARPOP_REQUEST, ETH_P_ARP,
+                                         ifa->ifa_address, dev,
+                                         ifa->ifa_address, NULL,
+                                         dev->dev_addr, NULL);
+                }
                 break;
         case NETDEV_DOWN:
                 ip_mc_down(in_dev);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 22cd19ee44e5..4351ca2cf0b8 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -714,7 +714,7 @@ int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
 EXPORT_SYMBOL_GPL(inet_csk_compat_getsockopt);
 
 int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
-                               char __user *optval, int optlen)
+                               char __user *optval, unsigned int optlen)
 {
         const struct inet_connection_sock *icsk = inet_csk(sk);
 
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9fe5d7b81580..f9895180f481 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -335,6 +335,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
 
                 {
                         struct flowi fl = { .oif = sk->sk_bound_dev_if,
+                                            .mark = sk->sk_mark,
                                             .nl_u = { .ip4_u =
                                                       { .daddr = daddr,
                                                         .saddr = inet->saddr,
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 5a0693576e82..0c0b6e363a20 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -440,7 +440,7 @@ out:
  */
 
 static int do_ip_setsockopt(struct sock *sk, int level,
-                            int optname, char __user *optval, int optlen)
+                            int optname, char __user *optval, unsigned int optlen)
 {
         struct inet_sock *inet = inet_sk(sk);
         int val = 0, err;
@@ -950,7 +950,7 @@ e_inval:
 }
 
 int ip_setsockopt(struct sock *sk, int level,
-                int optname, char __user *optval, int optlen)
+                int optname, char __user *optval, unsigned int optlen)
 {
         int err;
 
@@ -975,7 +975,7 @@ EXPORT_SYMBOL(ip_setsockopt);
 
 #ifdef CONFIG_COMPAT
 int compat_ip_setsockopt(struct sock *sk, int level, int optname,
-                         char __user *optval, int optlen)
+                         char __user *optval, unsigned int optlen)
 {
         int err;
 
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index c43ec2d51ce2..630a56df7b47 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -931,7 +931,7 @@ static void mrtsock_destruct(struct sock *sk)
  *      MOSPF/PIM router set up we can clean this up.
  */
 
-int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int optlen)
+int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen)
 {
         int ret;
         struct vifctl vif;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ebb1e5848bc6..757c9171e7c2 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -741,7 +741,7 @@ out:	return ret;
 }
 
 static int do_raw_setsockopt(struct sock *sk, int level, int optname,
-                          char __user *optval, int optlen)
+                          char __user *optval, unsigned int optlen)
 {
         if (optname == ICMP_FILTER) {
                 if (inet_sk(sk)->num != IPPROTO_ICMP)
@@ -753,7 +753,7 @@ static int do_raw_setsockopt(struct sock *sk, int level, int optname,
 }
 
 static int raw_setsockopt(struct sock *sk, int level, int optname,
-                          char __user *optval, int optlen)
+                          char __user *optval, unsigned int optlen)
 {
         if (level != SOL_RAW)
                 return ip_setsockopt(sk, level, optname, optval, optlen);
@@ -762,7 +762,7 @@ static int raw_setsockopt(struct sock *sk, int level, int optname,
 
 #ifdef CONFIG_COMPAT
 static int compat_raw_setsockopt(struct sock *sk, int level, int optname,
-                                 char __user *optval, int optlen)
+                                 char __user *optval, unsigned int optlen)
 {
         if (level != SOL_RAW)
                 return compat_ip_setsockopt(sk, level, optname, optval, optlen);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 21387ebabf00..64d0af675823 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -580,7 +580,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos,
 
         lock_sock(sk);
 
-        timeo = sock_rcvtimeo(sk, flags & SPLICE_F_NONBLOCK);
+        timeo = sock_rcvtimeo(sk, sock->file->f_flags & O_NONBLOCK);
         while (tss.len) {
                 ret = __tcp_splice_read(sk, &tss);
                 if (ret < 0)
@@ -2032,7 +2032,7 @@ int tcp_disconnect(struct sock *sk, int flags)
  *      Socket option code for TCP.
  */
 static int do_tcp_setsockopt(struct sock *sk, int level,
-                int optname, char __user *optval, int optlen)
+                int optname, char __user *optval, unsigned int optlen)
 {
         struct tcp_sock *tp = tcp_sk(sk);
         struct inet_connection_sock *icsk = inet_csk(sk);
@@ -2047,7 +2047,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
                         return -EINVAL;
 
                 val = strncpy_from_user(name, optval,
-                                        min(TCP_CA_NAME_MAX-1, optlen));
+                                        min_t(long, TCP_CA_NAME_MAX-1, optlen));
                 if (val < 0)
                         return -EFAULT;
                 name[val] = 0;
@@ -2220,7 +2220,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
 }
 
 int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
-                   int optlen)
+                   unsigned int optlen)
 {
         struct inet_connection_sock *icsk = inet_csk(sk);
 
@@ -2232,7 +2232,7 @@ int tcp_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
 
 #ifdef CONFIG_COMPAT
 int compat_tcp_setsockopt(struct sock *sk, int level, int optname,
-                          char __user *optval, int optlen)
+                          char __user *optval, unsigned int optlen)
 {
         if (level != SOL_TCP)
                 return inet_csk_compat_setsockopt(sk, level, optname,
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 5200aab0ca97..fcd278a7080e 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -361,6 +361,7 @@ static inline int tcp_urg_mode(const struct tcp_sock *tp)
 #define OPTION_SACK_ADVERTISE   (1 << 0)
 #define OPTION_TS               (1 << 1)
 #define OPTION_MD5              (1 << 2)
+#define OPTION_WSCALE           (1 << 3)
 
 struct tcp_out_options {
         u8 options;             /* bit field of OPTION_* */
@@ -427,7 +428,7 @@ static void tcp_options_write(__be32 *ptr, struct tcp_sock *tp,
                                TCPOLEN_SACK_PERM);
         }
 
-        if (unlikely(opts->ws)) {
+        if (unlikely(OPTION_WSCALE & opts->options)) {
                 *ptr++ = htonl((TCPOPT_NOP << 24) |
                                (TCPOPT_WINDOW << 16) |
                                (TCPOLEN_WINDOW << 8) |
@@ -494,8 +495,8 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
         }
         if (likely(sysctl_tcp_window_scaling)) {
                 opts->ws = tp->rx_opt.rcv_wscale;
-                if (likely(opts->ws))
-                        size += TCPOLEN_WSCALE_ALIGNED;
+                opts->options |= OPTION_WSCALE;
+                size += TCPOLEN_WSCALE_ALIGNED;
         }
         if (likely(sysctl_tcp_sack)) {
                 opts->options |= OPTION_SACK_ADVERTISE;
@@ -537,8 +538,8 @@ static unsigned tcp_synack_options(struct sock *sk,
 
         if (likely(ireq->wscale_ok)) {
                 opts->ws = ireq->rcv_wscale;
-                if (likely(opts->ws))
-                        size += TCPOLEN_WSCALE_ALIGNED;
+                opts->options |= OPTION_WSCALE;
+                size += TCPOLEN_WSCALE_ALIGNED;
         }
         if (likely(doing_ts)) {
                 opts->options |= OPTION_TS;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ebaaa7f973d7..6ec6a8a4a224 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -696,6 +696,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
         if (rt == NULL) {
                 struct flowi fl = { .oif = ipc.oif,
+                                    .mark = sk->sk_mark,
                                     .nl_u = { .ip4_u =
                                               { .daddr = faddr,
                                                 .saddr = saddr,
@@ -1359,7 +1360,7 @@ void udp_destroy_sock(struct sock *sk)
  *      Socket option code for UDP
  */
 int udp_lib_setsockopt(struct sock *sk, int level, int optname,
-                       char __user *optval, int optlen,
+                       char __user *optval, unsigned int optlen,
                        int (*push_pending_frames)(struct sock *))
 {
         struct udp_sock *up = udp_sk(sk);
@@ -1441,7 +1442,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 EXPORT_SYMBOL(udp_lib_setsockopt);
 
 int udp_setsockopt(struct sock *sk, int level, int optname,
-                   char __user *optval, int optlen)
+                   char __user *optval, unsigned int optlen)
 {
         if (level == SOL_UDP  ||  level == SOL_UDPLITE)
                 return udp_lib_setsockopt(sk, level, optname, optval, optlen,
@@ -1451,7 +1452,7 @@ int udp_setsockopt(struct sock *sk, int level, int optname,
 
 #ifdef CONFIG_COMPAT
 int compat_udp_setsockopt(struct sock *sk, int level, int optname,
-                          char __user *optval, int optlen)
+                          char __user *optval, unsigned int optlen)
 {
         if (level == SOL_UDP  ||  level == SOL_UDPLITE)
                 return udp_lib_setsockopt(sk, level, optname, optval, optlen,
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index 9f4a6165f722..aaad650d47d9 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -11,13 +11,13 @@ extern void 	__udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
 extern int      udp_v4_get_port(struct sock *sk, unsigned short snum);
 
 extern int      udp_setsockopt(struct sock *sk, int level, int optname,
-                               char __user *optval, int optlen);
+                               char __user *optval, unsigned int optlen);
 extern int      udp_getsockopt(struct sock *sk, int level, int optname,
                                char __user *optval, int __user *optlen);
 
 #ifdef CONFIG_COMPAT
 extern int      compat_udp_setsockopt(struct sock *sk, int level, int optname,
-                                      char __user *optval, int optlen);
+                                      char __user *optval, unsigned int optlen);
 extern int      compat_udp_getsockopt(struct sock *sk, int level, int optname,
                                       char __user *optval, int __user *optlen);
 #endif