Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
	drivers/infiniband/hw/nes/nes_cm.c

Simple whitespace conflict.

Signed-off-by: David S. Miller <davem@davemloft.net>

8 files changed, 24 insertions, 18 deletions

diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 97f70e50ad3b..761ad9d6cc3b 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -85,8 +85,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
         } else {
                 pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid);
                 memcpy(&client->fsid, fsid, sizeof(*fsid));
-                ceph_debugfs_client_init(client);
-                client->have_fsid = true;
         }
         return 0;
 }
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 0b62deae42bd..1845cde26227 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -8,8 +8,8 @@
 
 #include <linux/ceph/mon_client.h>
 #include <linux/ceph/libceph.h>
+#include <linux/ceph/debugfs.h>
 #include <linux/ceph/decode.h>
-
 #include <linux/ceph/auth.h>
 
 /*
@@ -340,8 +340,19 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
         client->monc.monmap = monmap;
         kfree(old);
 
+        if (!client->have_fsid) {
+                client->have_fsid = true;
+                mutex_unlock(&monc->mutex);
+                /*
+                 * do debugfs initialization without mutex to avoid
+                 * creating a locking dependency
+                 */
+                ceph_debugfs_client_init(client);
+                goto out_unlocked;
+        }
 out:
         mutex_unlock(&monc->mutex);
+out_unlocked:
         wake_up_all(&client->auth_wq);
 }
 
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 9ae183a9a381..4dacc44637ef 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -108,7 +108,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len)
 static void update_netdev_tables(void)
 {
         struct net_device *dev;
-        u32 max_len = atomic_read(&max_prioidx);
+        u32 max_len = atomic_read(&max_prioidx) + 1;
         struct netprio_map *map;
 
         rtnl_lock();
@@ -271,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused,
 {
         struct net_device *dev = ptr;
         struct netprio_map *old;
-        u32 max_len = atomic_read(&max_prioidx);
 
         /*
          * Note this is called with rtnl_lock held so we have update side
@@ -279,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused,
          */
 
         switch (event) {
-
-        case NETDEV_REGISTER:
-                if (max_len)
-                        extend_netdev_table(dev, max_len);
-                break;
         case NETDEV_UNREGISTER:
                 old = rtnl_dereference(dev->priomap);
                 RCU_INIT_POINTER(dev->priomap, NULL);
diff --git a/net/core/sock.c b/net/core/sock.c
index 3e81fd2e3c75..02f8dfe320b7 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1171,13 +1171,10 @@ EXPORT_SYMBOL(sock_update_classid);
 
 void sock_update_netprioidx(struct sock *sk)
 {
-        struct cgroup_netprio_state *state;
         if (in_interrupt())
                 return;
-        rcu_read_lock();
-        state = task_netprio_state(current);
-        sk->sk_cgrp_prioidx = state ? state->prioidx : 0;
-        rcu_read_unlock();
+
+        sk->sk_cgrp_prioidx = task_netprioidx(current);
 }
 EXPORT_SYMBOL_GPL(sock_update_netprioidx);
 #endif
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index aa2a2c79776f..d183262943d9 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -409,7 +409,7 @@ config INET_TCP_DIAG
 
 config INET_UDP_DIAG
         tristate "UDP: socket monitoring interface"
-        depends on INET_DIAG
+        depends on INET_DIAG && (IPV6 || IPV6=n)
         default n
         ---help---
           Support for UDP socket monitoring interface used by the ss tool.
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 59402be133f0..63e49890ad31 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -863,7 +863,8 @@ static int arp_process(struct sk_buff *skb)
                         if (addr_type == RTN_UNICAST  &&
                             (arp_fwd_proxy(in_dev, dev, rt) ||
                              arp_fwd_pvlan(in_dev, dev, rt, sip, tip) ||
-                             pneigh_lookup(&arp_tbl, net, &tip, dev, 0))) {
+                             (rt->dst.dev != dev &&
+                              pneigh_lookup(&arp_tbl, net, &tip, dev, 0)))) {
                                 n = neigh_event_ns(&arp_tbl, sha, &sip, dev);
                                 if (n)
                                         neigh_release(n);
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 1e60f7679075..42dd1a90edea 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -573,8 +573,8 @@ void ip_forward_options(struct sk_buff *skb)
                 }
                 if (srrptr + 3 <= srrspace) {
                         opt->is_changed = 1;
-                        ip_rt_get_source(&optptr[srrptr-1], skb, rt);
                         ip_hdr(skb)->daddr = opt->nexthop;
+                        ip_rt_get_source(&optptr[srrptr-1], skb, rt);
                         optptr[2] = srrptr+4;
                 } else if (net_ratelimit())
                         printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n");
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 90e47931e217..4d6f81c818dc 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -676,6 +676,11 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
                                       arg.iov[0].iov_len, IPPROTO_TCP, 0);
         arg.csumoffset = offsetof(struct tcphdr, check) / 2;
         arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
+        /* When socket is gone, all binding information is lost.
+         * routing might fail in this case. using iif for oif to
+         * make sure we can deliver it
+         */
+        arg.bound_dev_if = sk ? sk->sk_bound_dev_if : inet_iif(skb);
 
         net = dev_net(skb_dst(skb)->dev);
         arg.tos = ip_hdr(skb)->tos;