13 files changed, 48 insertions, 21 deletions

diff --git a/net/Makefile b/net/Makefile
index a3330ebe2c53..a51d9465e628 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -19,9 +19,7 @@ obj-$(CONFIG_NETFILTER)		+= netfilter/
 obj-$(CONFIG_INET)              += ipv4/
 obj-$(CONFIG_XFRM)              += xfrm/
 obj-$(CONFIG_UNIX)              += unix/
-ifneq ($(CONFIG_IPV6),)
-obj-y                           += ipv6/
-endif
+obj-$(CONFIG_NET)               += ipv6/
 obj-$(CONFIG_PACKET)            += packet/
 obj-$(CONFIG_NET_KEY)           += key/
 obj-$(CONFIG_BRIDGE)            += bridge/
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index 9190ae462cb4..6dee7bf648a9 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -6,6 +6,7 @@ config BRIDGE
         tristate "802.1d Ethernet Bridging"
         select LLC
         select STP
+        depends on IPV6 || IPV6=n
         ---help---
           If you say Y here, then your Linux box will be able to act as an
           Ethernet bridge, which means that the different Ethernet segments it
diff --git a/net/core/dev.c b/net/core/dev.c
index 8ae6631abcc2..6561021d22d1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1114,13 +1114,21 @@ EXPORT_SYMBOL(netdev_bonding_change);
 void dev_load(struct net *net, const char *name)
 {
         struct net_device *dev;
+        int no_module;
 
         rcu_read_lock();
         dev = dev_get_by_name_rcu(net, name);
         rcu_read_unlock();
 
-        if (!dev && capable(CAP_NET_ADMIN))
-                request_module("%s", name);
+        no_module = !dev;
+        if (no_module && capable(CAP_NET_ADMIN))
+                no_module = request_module("netdev-%s", name);
+        if (no_module && capable(CAP_SYS_MODULE)) {
+                if (!request_module("%s", name))
+                        pr_err("Loading kernel module for a network device "
+"with CAP_SYS_MODULE (deprecated).  Use CAP_NET_ADMIN and alias netdev-%s "
+"instead\n", name);
+        }
 }
 EXPORT_SYMBOL(dev_load);
 
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index a9e7fc4c461f..b5bada92f637 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3321,7 +3321,7 @@ static void show_results(struct pktgen_dev *pkt_dev, int nr_frags)
                                     pkt_dev->started_at);
         ktime_t idle = ns_to_ktime(pkt_dev->idle_acc);
 
-        p += sprintf(p, "OK: %llu(c%llu+d%llu) nsec, %llu (%dbyte,%dfrags)\n",
+        p += sprintf(p, "OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags)\n",
                      (unsigned long long)ktime_to_us(elapsed),
                      (unsigned long long)ktime_to_us(ktime_sub(elapsed, idle)),
                      (unsigned long long)ktime_to_us(idle),
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index df4616fce929..036652c8166d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -670,7 +670,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
                              ifap = &ifa->ifa_next) {
                                 if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
                                     sin_orig.sin_addr.s_addr ==
-                                                        ifa->ifa_address) {
+                                                        ifa->ifa_local) {
                                         break; /* found */
                                 }
                         }
@@ -1040,8 +1040,8 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev,
                 return;
 
         arp_send(ARPOP_REQUEST, ETH_P_ARP,
-                 ifa->ifa_address, dev,
-                 ifa->ifa_address, NULL,
+                 ifa->ifa_local, dev,
+                 ifa->ifa_local, NULL,
                  dev->dev_addr, NULL);
 }
 
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6613edfac28c..d1d0e2c256fc 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1765,4 +1765,4 @@ module_exit(ipgre_fini);
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_RTNL_LINK("gre");
 MODULE_ALIAS_RTNL_LINK("gretap");
-MODULE_ALIAS("gre0");
+MODULE_ALIAS_NETDEV("gre0");
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 988f52fba54a..a5f58e7cbb26 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -913,4 +913,4 @@ static void __exit ipip_fini(void)
 module_init(ipip_init);
 module_exit(ipip_fini);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("tunl0");
+MODULE_ALIAS_NETDEV("tunl0");
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4f4483e697bd..e528a42a52be 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -57,6 +57,7 @@
 MODULE_AUTHOR("Ville Nuorvala");
 MODULE_DESCRIPTION("IPv6 tunneling device");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NETDEV("ip6tnl0");
 
 #ifdef IP6_TNL_DEBUG
 #define IP6_TNL_TRACE(x...) printk(KERN_DEBUG "%s:" x "\n", __func__)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 904312e25a3c..e7db7014e89f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -739,8 +739,10 @@ restart:
 
         if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP))
                 nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src);
-        else
+        else if (!(rt->dst.flags & DST_HOST))
                 nrt = rt6_alloc_clone(rt, &fl->fl6_dst);
+        else
+                goto out2;
 
         dst_release(&rt->dst);
         rt = nrt ? : net->ipv6.ip6_null_entry;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8ce38f10a547..d2c16e10f650 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1290,4 +1290,4 @@ static int __init sit_init(void)
 module_init(sit_init);
 module_exit(sit_cleanup);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("sit0");
+MODULE_ALIAS_NETDEV("sit0");
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 71f373c421bc..c47a511f203d 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -551,7 +551,10 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
         if (conn->c_loopback
             && rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) {
                 rds_cong_map_updated(conn->c_fcong, ~(u64) 0);
-                return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+                scat = &rm->data.op_sg[sg];
+                ret = sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+                ret = min_t(int, ret, scat->length - conn->c_xmit_data_off);
+                return ret;
         }
 
         /* FIXME we may overallocate here */
diff --git a/net/rds/loop.c b/net/rds/loop.c
index aeec1d483b17..bca6761a3ca2 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -61,10 +61,15 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm,
                          unsigned int hdr_off, unsigned int sg,
                          unsigned int off)
 {
+        struct scatterlist *sgp = &rm->data.op_sg[sg];
+        int ret = sizeof(struct rds_header) +
+                        be32_to_cpu(rm->m_inc.i_hdr.h_len);
+
         /* Do not send cong updates to loopback */
         if (rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) {
                 rds_cong_map_updated(conn->c_fcong, ~(u64) 0);
-                return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES;
+                ret = min_t(int, ret, sgp->length - conn->c_xmit_data_off);
+                goto out;
         }
 
         BUG_ON(hdr_off || sg || off);
@@ -80,8 +85,8 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm,
                             NULL);
 
         rds_inc_put(&rm->m_inc);
-
-        return sizeof(struct rds_header) + be32_to_cpu(rm->m_inc.i_hdr.h_len);
+out:
+        return ret;
 }
 
 /*
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index dd419d286204..437a99e560e1 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1724,7 +1724,11 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
 
         msg->msg_namelen = 0;
 
-        mutex_lock(&u->readlock);
+        err = mutex_lock_interruptible(&u->readlock);
+        if (err) {
+                err = sock_intr_errno(sock_rcvtimeo(sk, noblock));
+                goto out;
+        }
 
         skb = skb_recv_datagram(sk, flags, noblock, &err);
         if (!skb) {
@@ -1864,7 +1868,11 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
                 memset(&tmp_scm, 0, sizeof(tmp_scm));
         }
 
-        mutex_lock(&u->readlock);
+        err = mutex_lock_interruptible(&u->readlock);
+        if (err) {
+                err = sock_intr_errno(timeo);
+                goto out;
+        }
 
         do {
                 int chunk;
@@ -1895,11 +1903,12 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock,
 
                         timeo = unix_stream_data_wait(sk, timeo);
 
-                        if (signal_pending(current)) {
+                        if (signal_pending(current)
+                            ||  mutex_lock_interruptible(&u->readlock)) {
                                 err = sock_intr_errno(timeo);
                                 goto out;
                         }
-                        mutex_lock(&u->readlock);
+
                         continue;
  unlock:
                         unix_state_unlock(sk);