Merge branch 'next' into for-linus

Prepare input updates for 4.14 merge window.

99 files changed, 603 insertions, 462 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 467069b73ce1..9649579b5b9f 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -277,7 +277,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
         return 0;
 
 out_free_newdev:
-        free_netdev(new_dev);
+        if (new_dev->reg_state == NETREG_UNINITIALIZED)
+                free_netdev(new_dev);
         return err;
 }
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 953b6728bd00..abc5f400fc71 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -813,7 +813,6 @@ static void vlan_dev_free(struct net_device *dev)
 
         free_percpu(vlan->vlan_pcpu_stats);
         vlan->vlan_pcpu_stats = NULL;
-        free_netdev(dev);
 }
 
 void vlan_setup(struct net_device *dev)
@@ -826,7 +825,8 @@ void vlan_setup(struct net_device *dev)
         netif_keep_dst(dev);
 
         dev->netdev_ops         = &vlan_netdev_ops;
-        dev->destructor         = vlan_dev_free;
+        dev->needs_free_netdev  = true;
+        dev->priv_destructor    = vlan_dev_free;
         dev->ethtool_ops        = &vlan_ethtool_ops;
 
         dev->min_mtu            = 0;
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 013e970eff39..000ca2f113ab 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -1064,8 +1064,9 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
 
                 skb_new->protocol = eth_type_trans(skb_new, soft_iface);
 
-                soft_iface->stats.rx_packets++;
-                soft_iface->stats.rx_bytes += skb->len + ETH_HLEN + hdr_size;
+                batadv_inc_counter(bat_priv, BATADV_CNT_RX);
+                batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
+                                   skb->len + ETH_HLEN + hdr_size);
 
                 netif_rx(skb_new);
                 batadv_dbg(BATADV_DBG_DAT, bat_priv, "ARP request replied locally\n");
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index e1ebe14ee2a6..ae9f4d37d34f 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -987,7 +987,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
                                 batadv_dbg(BATADV_DBG_BLA, bat_priv,
                                            "recv_unicast_packet(): Dropped unicast pkt received from another backbone gw %pM.\n",
                                            orig_addr_gw);
-                                return NET_RX_DROP;
+                                goto free_skb;
                         }
                 }
 
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index b25789abf7b9..10f7edfb176e 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -1034,8 +1034,6 @@ static void batadv_softif_free(struct net_device *dev)
          * netdev and its private data (bat_priv)
          */
         rcu_barrier();
-
-        free_netdev(dev);
 }
 
 /**
@@ -1047,7 +1045,8 @@ static void batadv_softif_init_early(struct net_device *dev)
         ether_setup(dev);
 
         dev->netdev_ops = &batadv_netdev_ops;
-        dev->destructor = batadv_softif_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = batadv_softif_free;
         dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_NETNS_LOCAL;
         dev->priv_flags |= IFF_NO_QUEUE;
 
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 608959989f8e..ab3b654b05cc 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -598,7 +598,7 @@ static void netdev_setup(struct net_device *dev)
 
         dev->netdev_ops         = &netdev_ops;
         dev->header_ops         = &header_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
 }
 
 static struct device_type bt_type = {
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 430b53e7d941..f0f3447e8aa4 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -379,7 +379,7 @@ void br_dev_setup(struct net_device *dev)
         ether_setup(dev);
 
         dev->netdev_ops = &br_netdev_ops;
-        dev->destructor = free_netdev;
+        dev->needs_free_netdev = true;
         dev->ethtool_ops = &br_ethtool_ops;
         SET_NETDEV_DEVTYPE(dev, &br_type);
         dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE;
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 574f78824d8a..32bd3ead9ba1 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -595,7 +595,7 @@ static int br_afspec(struct net_bridge *br,
                 err = 0;
                 switch (nla_type(attr)) {
                 case IFLA_BRIDGE_VLAN_TUNNEL_INFO:
-                        if (!(p->flags & BR_VLAN_TUNNEL))
+                        if (!p || !(p->flags & BR_VLAN_TUNNEL))
                                 return -EINVAL;
                         err = br_parse_vlan_tunnel_info(attr, &tinfo_curr);
                         if (err)
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 0db8102995a5..6f12a5271219 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -179,7 +179,8 @@ static void br_stp_start(struct net_bridge *br)
                 br_debug(br, "using kernel STP\n");
 
                 /* To start timers on any ports left in blocking */
-                mod_timer(&br->hello_timer, jiffies + br->hello_time);
+                if (br->dev->flags & IFF_UP)
+                        mod_timer(&br->hello_timer, jiffies + br->hello_time);
                 br_port_state_selection(br);
         }
 
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index adcad344c843..21f18ea2fce4 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -754,6 +754,10 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr,
 
         lock_sock(sk);
 
+        err = -EINVAL;
+        if (addr_len < offsetofend(struct sockaddr, sa_family))
+                goto out;
+
         err = -EAFNOSUPPORT;
         if (uaddr->sa_family != AF_CAIF)
                 goto out;
diff --git a/net/caif/cfpkt_skbuff.c b/net/caif/cfpkt_skbuff.c
index 59ce1fcc220c..71b6ab240dea 100644
--- a/net/caif/cfpkt_skbuff.c
+++ b/net/caif/cfpkt_skbuff.c
@@ -81,11 +81,7 @@ static struct cfpkt *cfpkt_create_pfx(u16 len, u16 pfx)
 {
         struct sk_buff *skb;
 
-        if (likely(in_interrupt()))
-                skb = alloc_skb(len + pfx, GFP_ATOMIC);
-        else
-                skb = alloc_skb(len + pfx, GFP_KERNEL);
-
+        skb = alloc_skb(len + pfx, GFP_ATOMIC);
         if (unlikely(skb == NULL))
                 return NULL;
 
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 1816fc9f1ee7..fe3c53efb949 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -392,14 +392,14 @@ static void chnl_net_destructor(struct net_device *dev)
 {
         struct chnl_net *priv = netdev_priv(dev);
         caif_free_client(&priv->chnl);
-        free_netdev(dev);
 }
 
 static void ipcaif_net_setup(struct net_device *dev)
 {
         struct chnl_net *priv;
         dev->netdev_ops = &netdev_ops;
-        dev->destructor = chnl_net_destructor;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = chnl_net_destructor;
         dev->flags |= IFF_NOARP;
         dev->flags |= IFF_POINTOPOINT;
         dev->mtu = GPRS_PDP_MTU;
diff --git a/net/can/af_can.c b/net/can/af_can.c
index b6406fe33c76..88edac0f3e36 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -872,8 +872,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg,
 
 static int can_pernet_init(struct net *net)
 {
-        net->can.can_rcvlists_lock =
-                __SPIN_LOCK_UNLOCKED(net->can.can_rcvlists_lock);
+        spin_lock_init(&net->can.can_rcvlists_lock);
         net->can.can_rx_alldev_list =
                 kzalloc(sizeof(struct dev_rcv_lists), GFP_KERNEL);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index fca407b4a6ea..416137c64bf8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1253,8 +1253,9 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
         if (!new_ifalias)
                 return -ENOMEM;
         dev->ifalias = new_ifalias;
+        memcpy(dev->ifalias, alias, len);
+        dev->ifalias[len] = 0;
 
-        strlcpy(dev->ifalias, alias, len+1);
         return len;
 }
 
@@ -4766,6 +4767,13 @@ struct packet_offload *gro_find_complete_by_type(__be16 type)
 }
 EXPORT_SYMBOL(gro_find_complete_by_type);
 
+static void napi_skb_free_stolen_head(struct sk_buff *skb)
+{
+        skb_dst_drop(skb);
+        secpath_reset(skb);
+        kmem_cache_free(skbuff_head_cache, skb);
+}
+
 static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
 {
         switch (ret) {
@@ -4779,13 +4787,10 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
                 break;
 
         case GRO_MERGED_FREE:
-                if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) {
-                        skb_dst_drop(skb);
-                        secpath_reset(skb);
-                        kmem_cache_free(skbuff_head_cache, skb);
-                } else {
+                if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
+                        napi_skb_free_stolen_head(skb);
+                else
                         __kfree_skb(skb);
-                }
                 break;
 
         case GRO_HELD:
@@ -4857,10 +4862,16 @@ static gro_result_t napi_frags_finish(struct napi_struct *napi,
                 break;
 
         case GRO_DROP:
-        case GRO_MERGED_FREE:
                 napi_reuse_skb(napi, skb);
                 break;
 
+        case GRO_MERGED_FREE:
+                if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
+                        napi_skb_free_stolen_head(skb);
+                else
+                        napi_reuse_skb(napi, skb);
+                break;
+
         case GRO_MERGED:
         case GRO_CONSUMED:
                 break;
@@ -4948,6 +4959,19 @@ __sum16 __skb_gro_checksum_complete(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(__skb_gro_checksum_complete);
 
+static void net_rps_send_ipi(struct softnet_data *remsd)
+{
+#ifdef CONFIG_RPS
+        while (remsd) {
+                struct softnet_data *next = remsd->rps_ipi_next;
+
+                if (cpu_online(remsd->cpu))
+                        smp_call_function_single_async(remsd->cpu, &remsd->csd);
+                remsd = next;
+        }
+#endif
+}
+
 /*
  * net_rps_action_and_irq_enable sends any pending IPI's for rps.
  * Note: called with local irq disabled, but exits with local irq enabled.
@@ -4963,14 +4987,7 @@ static void net_rps_action_and_irq_enable(struct softnet_data *sd)
                 local_irq_enable();
 
                 /* Send pending IPI's to kick RPS processing on remote cpus. */
-                while (remsd) {
-                        struct softnet_data *next = remsd->rps_ipi_next;
-
-                        if (cpu_online(remsd->cpu))
-                                smp_call_function_single_async(remsd->cpu,
-                                                           &remsd->csd);
-                        remsd = next;
-                }
+                net_rps_send_ipi(remsd);
         } else
 #endif
                 local_irq_enable();
@@ -5199,8 +5216,6 @@ static void busy_poll_stop(struct napi_struct *napi, void *have_poll_lock)
         if (rc == BUSY_POLL_BUDGET)
                 __napi_schedule(napi);
         local_bh_enable();
-        if (local_softirq_pending())
-                do_softirq();
 }
 
 void napi_busy_loop(unsigned int napi_id,
@@ -7501,6 +7516,8 @@ out:
 err_uninit:
         if (dev->netdev_ops->ndo_uninit)
                 dev->netdev_ops->ndo_uninit(dev);
+        if (dev->priv_destructor)
+                dev->priv_destructor(dev);
         goto out;
 }
 EXPORT_SYMBOL(register_netdevice);
@@ -7708,8 +7725,10 @@ void netdev_run_todo(void)
                 WARN_ON(rcu_access_pointer(dev->ip6_ptr));
                 WARN_ON(dev->dn_ptr);
 
-                if (dev->destructor)
-                        dev->destructor(dev);
+                if (dev->priv_destructor)
+                        dev->priv_destructor(dev);
+                if (dev->needs_free_netdev)
+                        free_netdev(dev);
 
                 /* Report a network device has been unregistered */
                 rtnl_lock();
@@ -7774,9 +7793,9 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
         } else {
                 netdev_stats_to_stats64(storage, &dev->stats);
         }
-        storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
-        storage->tx_dropped += atomic_long_read(&dev->tx_dropped);
-        storage->rx_nohandler += atomic_long_read(&dev->rx_nohandler);
+        storage->rx_dropped += (unsigned long)atomic_long_read(&dev->rx_dropped);
+        storage->tx_dropped += (unsigned long)atomic_long_read(&dev->tx_dropped);
+        storage->rx_nohandler += (unsigned long)atomic_long_read(&dev->rx_nohandler);
         return storage;
 }
 EXPORT_SYMBOL(dev_get_stats);
@@ -8192,7 +8211,7 @@ static int dev_cpu_dead(unsigned int oldcpu)
         struct sk_buff **list_skb;
         struct sk_buff *skb;
         unsigned int cpu;
-        struct softnet_data *sd, *oldsd;
+        struct softnet_data *sd, *oldsd, *remsd = NULL;
 
         local_irq_disable();
         cpu = smp_processor_id();
@@ -8233,6 +8252,13 @@ static int dev_cpu_dead(unsigned int oldcpu)
         raise_softirq_irqoff(NET_TX_SOFTIRQ);
         local_irq_enable();
 
+#ifdef CONFIG_RPS
+        remsd = oldsd->rps_ipi_list;
+        oldsd->rps_ipi_list = NULL;
+#endif
+        /* send out pending IPI's on offline CPU */
+        net_rps_send_ipi(remsd);
+
         /* Process offline CPU's input_pkt_queue */
         while ((skb = __skb_dequeue(&oldsd->process_queue))) {
                 netif_rx_ni(skb);
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index b94b1d293506..27fad31784a8 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -410,6 +410,22 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg)
         if (cmd == SIOCGIFNAME)
                 return dev_ifname(net, (struct ifreq __user *)arg);
 
+        /*
+         * Take care of Wireless Extensions. Unfortunately struct iwreq
+         * isn't a proper subset of struct ifreq (it's 8 byte shorter)
+         * so we need to treat it specially, otherwise applications may
+         * fault if the struct they're passing happens to land at the
+         * end of a mapped page.
+         */
+        if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) {
+                struct iwreq iwr;
+
+                if (copy_from_user(&iwr, arg, sizeof(iwr)))
+                        return -EFAULT;
+
+                return wext_handle_ioctl(net, &iwr, cmd, arg);
+        }
+
         if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
                 return -EFAULT;
 
@@ -559,9 +575,6 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg)
                                 ret = -EFAULT;
                         return ret;
                 }
-                /* Take care of Wireless Extensions */
-                if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST)
-                        return wext_handle_ioctl(net, &ifr, cmd, arg);
                 return -ENOTTY;
         }
 }
diff --git a/net/core/devlink.c b/net/core/devlink.c
index b0b87a292e7c..a0adfc31a3fe 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -1680,8 +1680,10 @@ start_again:
 
         hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq,
                           &devlink_nl_family, NLM_F_MULTI, cmd);
-        if (!hdr)
+        if (!hdr) {
+                nlmsg_free(skb);
                 return -EMSGSIZE;
+        }
 
         if (devlink_nl_put_handle(skb, devlink))
                 goto nla_put_failure;
@@ -2098,8 +2100,10 @@ start_again:
 
         hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq,
                           &devlink_nl_family, NLM_F_MULTI, cmd);
-        if (!hdr)
+        if (!hdr) {
+                nlmsg_free(skb);
                 return -EMSGSIZE;
+        }
 
         if (devlink_nl_put_handle(skb, devlink))
                 goto nla_put_failure;
diff --git a/net/core/dst.c b/net/core/dst.c
index 6192f11beec9..13ba4a090c41 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -469,6 +469,20 @@ static int dst_dev_event(struct notifier_block *this, unsigned long event,
                 spin_lock_bh(&dst_garbage.lock);
                 dst = dst_garbage.list;
                 dst_garbage.list = NULL;
+                /* The code in dst_ifdown places a hold on the loopback device.
+                 * If the gc entry processing is set to expire after a lengthy
+                 * interval, this hold can cause netdev_wait_allrefs() to hang
+                 * out and wait for a long time -- until the the loopback
+                 * interface is released.  If we're really unlucky, it'll emit
+                 * pr_emerg messages to console too.  Reset the interval here,
+                 * so dst cleanups occur in a more timely fashion.
+                 */
+                if (dst_garbage.timer_inc > DST_GC_INC) {
+                        dst_garbage.timer_inc = DST_GC_INC;
+                        dst_garbage.timer_expires = DST_GC_MIN;
+                        mod_delayed_work(system_wq, &dst_gc_work,
+                                         dst_garbage.timer_expires);
+                }
                 spin_unlock_bh(&dst_garbage.lock);
 
                 if (last)
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index f21c4d3aeae0..3bba291c6c32 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -568,7 +568,7 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh,
         struct net *net = sock_net(skb->sk);
         struct fib_rule_hdr *frh = nlmsg_data(nlh);
         struct fib_rules_ops *ops = NULL;
-        struct fib_rule *rule, *tmp;
+        struct fib_rule *rule, *r;
         struct nlattr *tb[FRA_MAX+1];
         struct fib_kuid_range range;
         int err = -EINVAL;
@@ -668,16 +668,23 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh,
 
                 /*
                  * Check if this rule is a target to any of them. If so,
+                 * adjust to the next one with the same preference or
                  * disable them. As this operation is eventually very
-                 * expensive, it is only performed if goto rules have
-                 * actually been added.
+                 * expensive, it is only performed if goto rules, except
+                 * current if it is goto rule, have actually been added.
                  */
                 if (ops->nr_goto_rules > 0) {
-                        list_for_each_entry(tmp, &ops->rules_list, list) {
-                                if (rtnl_dereference(tmp->ctarget) == rule) {
-                                        RCU_INIT_POINTER(tmp->ctarget, NULL);
+                        struct fib_rule *n;
+
+                        n = list_next_entry(rule, list);
+                        if (&n->list == &ops->rules_list || n->pref != rule->pref)
+                                n = NULL;
+                        list_for_each_entry(r, &ops->rules_list, list) {
+                                if (rtnl_dereference(r->ctarget) != rule)
+                                        continue;
+                                rcu_assign_pointer(r->ctarget, n);
+                                if (!n)
                                         ops->unresolved_rules++;
-                                }
                         }
                 }
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9e2c0a7cb325..467a2f4510a7 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -931,6 +931,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
                + nla_total_size(1) /* IFLA_LINKMODE */
                + nla_total_size(4) /* IFLA_CARRIER_CHANGES */
                + nla_total_size(4) /* IFLA_LINK_NETNSID */
+               + nla_total_size(4) /* IFLA_GROUP */
                + nla_total_size(ext_filter_mask
                                 & RTEXT_FILTER_VF ? 4 : 0) /* IFLA_NUM_VF */
                + rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */
@@ -1124,6 +1125,8 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
         struct ifla_vf_mac vf_mac;
         struct ifla_vf_info ivi;
 
+        memset(&ivi, 0, sizeof(ivi));
+
         /* Not all SR-IOV capable drivers support the
          * spoofcheck and "RSS query enable" query.  Preset to
          * -1 so the user space tool can detect that the driver
@@ -1132,7 +1135,6 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
         ivi.spoofchk = -1;
         ivi.rss_query_en = -1;
         ivi.trusted = -1;
-        memset(ivi.mac, 0, sizeof(ivi.mac));
         /* The default value for VF link state is "auto"
          * IFLA_VF_LINK_STATE_AUTO which equals zero
          */
@@ -1467,6 +1469,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
         [IFLA_LINK_NETNSID]     = { .type = NLA_S32 },
         [IFLA_PROTO_DOWN]       = { .type = NLA_U8 },
         [IFLA_XDP]              = { .type = NLA_NESTED },
+        [IFLA_GROUP]            = { .type = NLA_U32 },
 };
 
 static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 346d3e85dfbc..b1be7c01efe2 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3754,8 +3754,11 @@ struct sk_buff *sock_dequeue_err_skb(struct sock *sk)
 
         spin_lock_irqsave(&q->lock, flags);
         skb = __skb_dequeue(q);
-        if (skb && (skb_next = skb_peek(q)))
+        if (skb && (skb_next = skb_peek(q))) {
                 icmp_next = is_icmp_err_skb(skb_next);
+                if (icmp_next)
+                        sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin;
+        }
         spin_unlock_irqrestore(&q->lock, flags);
 
         if (is_icmp_err_skb(skb) && !icmp_next)
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 4b9518a0d248..6f95612b4d32 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -188,12 +188,6 @@ static inline void dnrt_free(struct dn_route *rt)
         call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
 }
 
-static inline void dnrt_drop(struct dn_route *rt)
-{
-        dst_release(&rt->dst);
-        call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free);
-}
-
 static void dn_dst_check_expire(unsigned long dummy)
 {
         int i;
@@ -248,7 +242,7 @@ static int dn_dst_gc(struct dst_ops *ops)
                         }
                         *rtp = rt->dst.dn_next;
                         rt->dst.dn_next = NULL;
-                        dnrt_drop(rt);
+                        dnrt_free(rt);
                         break;
                 }
                 spin_unlock_bh(&dn_rt_hash_table[i].lock);
@@ -350,7 +344,7 @@ static int dn_insert_route(struct dn_route *rt, unsigned int hash, struct dn_rou
                         dst_use(&rth->dst, now);
                         spin_unlock_bh(&dn_rt_hash_table[hash].lock);
 
-                        dnrt_drop(rt);
+                        dst_free(&rt->dst);
                         *rp = rth;
                         return 0;
                 }
@@ -380,7 +374,7 @@ static void dn_run_flush(unsigned long dummy)
                 for(; rt; rt = next) {
                         next = rcu_dereference_raw(rt->dst.dn_next);
                         RCU_INIT_POINTER(rt->dst.dn_next, NULL);
-                        dst_free((struct dst_entry *)rt);
+                        dnrt_free(rt);
                 }
 
 nothing_to_declare:
@@ -1187,7 +1181,7 @@ make_route:
         if (dev_out->flags & IFF_LOOPBACK)
                 flags |= RTCF_LOCAL;
 
-        rt = dst_alloc(&dn_dst_ops, dev_out, 1, DST_OBSOLETE_NONE, DST_HOST);
+        rt = dst_alloc(&dn_dst_ops, dev_out, 0, DST_OBSOLETE_NONE, DST_HOST);
         if (rt == NULL)
                 goto e_nobufs;
 
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 1ed81ac6dd1a..aa8ffecc46a4 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -102,7 +102,9 @@ static inline void dnrmg_receive_user_skb(struct sk_buff *skb)
 {
         struct nlmsghdr *nlh = nlmsg_hdr(skb);
 
-        if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len)
+        if (skb->len < sizeof(*nlh) ||
+            nlh->nlmsg_len < sizeof(*nlh) ||
+            skb->len < nlh->nlmsg_len)
                 return;
 
         if (!netlink_capable(skb, CAP_NET_ADMIN))
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 26130ae438da..90038d45a547 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -223,6 +223,53 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev,
         return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
+int dsa_switch_suspend(struct dsa_switch *ds)
+{
+        int i, ret = 0;
+
+        /* Suspend slave network devices */
+        for (i = 0; i < ds->num_ports; i++) {
+                if (!dsa_is_port_initialized(ds, i))
+                        continue;
+
+                ret = dsa_slave_suspend(ds->ports[i].netdev);
+                if (ret)
+                        return ret;
+        }
+
+        if (ds->ops->suspend)
+                ret = ds->ops->suspend(ds);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(dsa_switch_suspend);
+
+int dsa_switch_resume(struct dsa_switch *ds)
+{
+        int i, ret = 0;
+
+        if (ds->ops->resume)
+                ret = ds->ops->resume(ds);
+
+        if (ret)
+                return ret;
+
+        /* Resume slave network devices */
+        for (i = 0; i < ds->num_ports; i++) {
+                if (!dsa_is_port_initialized(ds, i))
+                        continue;
+
+                ret = dsa_slave_resume(ds->ports[i].netdev);
+                if (ret)
+                        return ret;
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(dsa_switch_resume);
+#endif
+
 static struct packet_type dsa_pack_type __read_mostly = {
         .type   = cpu_to_be16(ETH_P_XDSA),
         .func   = dsa_switch_rcv,
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 033b3bfb63dc..7796580e99ee 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -484,8 +484,10 @@ static void dsa_dst_unapply(struct dsa_switch_tree *dst)
                 dsa_ds_unapply(dst, ds);
         }
 
-        if (dst->cpu_switch)
+        if (dst->cpu_switch) {
                 dsa_cpu_port_ethtool_restore(dst->cpu_switch);
+                dst->cpu_switch = NULL;
+        }
 
         pr_info("DSA: tree %d unapplied\n", dst->tree);
         dst->applied = false;
diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c
index ad345c8b0b06..7281098df04e 100644
--- a/net/dsa/legacy.c
+++ b/net/dsa/legacy.c
@@ -289,53 +289,6 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
         dsa_switch_unregister_notifier(ds);
 }
 
-#ifdef CONFIG_PM_SLEEP
-int dsa_switch_suspend(struct dsa_switch *ds)
-{
-        int i, ret = 0;
-
-        /* Suspend slave network devices */
-        for (i = 0; i < ds->num_ports; i++) {
-                if (!dsa_is_port_initialized(ds, i))
-                        continue;
-
-                ret = dsa_slave_suspend(ds->ports[i].netdev);
-                if (ret)
-                        return ret;
-        }
-
-        if (ds->ops->suspend)
-                ret = ds->ops->suspend(ds);
-
-        return ret;
-}
-EXPORT_SYMBOL_GPL(dsa_switch_suspend);
-
-int dsa_switch_resume(struct dsa_switch *ds)
-{
-        int i, ret = 0;
-
-        if (ds->ops->resume)
-                ret = ds->ops->resume(ds);
-
-        if (ret)
-                return ret;
-
-        /* Resume slave network devices */
-        for (i = 0; i < ds->num_ports; i++) {
-                if (!dsa_is_port_initialized(ds, i))
-                        continue;
-
-                ret = dsa_slave_resume(ds->ports[i].netdev);
-                if (ret)
-                        return ret;
-        }
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(dsa_switch_resume);
-#endif
-
 /* platform driver init and cleanup *****************************************/
 static int dev_is_class(struct device *dev, void *class)
 {
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index c73160fb11e7..0a0a392dc2bd 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -378,7 +378,6 @@ static void hsr_dev_destroy(struct net_device *hsr_dev)
         del_timer_sync(&hsr->announce_timer);
 
         synchronize_rcu();
-        free_netdev(hsr_dev);
 }
 
 static const struct net_device_ops hsr_device_ops = {
@@ -404,7 +403,8 @@ void hsr_dev_setup(struct net_device *dev)
         SET_NETDEV_DEVTYPE(dev, &hsr_type);
         dev->priv_flags |= IFF_NO_QUEUE;
 
-        dev->destructor = hsr_dev_destroy;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = hsr_dev_destroy;
 
         dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
                            NETIF_F_GSO_MASK | NETIF_F_HW_CSUM |
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index 4ebe2aa3e7d3..04b5450c5a55 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -324,8 +324,7 @@ static int hsr_fill_frame_info(struct hsr_frame_info *frame,
         unsigned long irqflags;
 
         frame->is_supervision = is_supervision_frame(port->hsr, skb);
-        frame->node_src = hsr_get_node(&port->hsr->node_db, skb,
-                                       frame->is_supervision);
+        frame->node_src = hsr_get_node(port, skb, frame->is_supervision);
         if (frame->node_src == NULL)
                 return -1; /* Unknown node and !is_supervision, or no mem */
 
diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c
index 7ea925816f79..284a9b820df8 100644
--- a/net/hsr/hsr_framereg.c
+++ b/net/hsr/hsr_framereg.c
@@ -158,9 +158,10 @@ struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
 
 /* Get the hsr_node from which 'skb' was sent.
  */
-struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb,
+struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
                               bool is_sup)
 {
+        struct list_head *node_db = &port->hsr->node_db;
         struct hsr_node *node;
         struct ethhdr *ethhdr;
         u16 seq_out;
@@ -186,7 +187,11 @@ struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb,
                  */
                 seq_out = hsr_get_skb_sequence_nr(skb) - 1;
         } else {
-                WARN_ONCE(1, "%s: Non-HSR frame\n", __func__);
+                /* this is called also for frames from master port and
+                 * so warn only for non master ports
+                 */
+                if (port->type != HSR_PT_MASTER)
+                        WARN_ONCE(1, "%s: Non-HSR frame\n", __func__);
                 seq_out = HSR_SEQNR_START;
         }
 
diff --git a/net/hsr/hsr_framereg.h b/net/hsr/hsr_framereg.h
index 438b40f98f5a..4e04f0e868e9 100644
--- a/net/hsr/hsr_framereg.h
+++ b/net/hsr/hsr_framereg.h
@@ -18,7 +18,7 @@ struct hsr_node;
 
 struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[],
                               u16 seq_out);
-struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb,
+struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb,
                               bool is_sup);
 void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr,
                           struct hsr_port *port);
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index d7efbf0dad20..0a866f332290 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -107,7 +107,7 @@ static void lowpan_setup(struct net_device *ldev)
 
         ldev->netdev_ops        = &lowpan_netdev_ops;
         ldev->header_ops        = &lowpan_header_ops;
-        ldev->destructor        = free_netdev;
+        ldev->needs_free_netdev = true;
         ldev->features          |= NETIF_F_NETNS_LOCAL;
 }
 
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index f3dad1661343..58925b6597de 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1043,7 +1043,7 @@ static struct inet_protosw inetsw_array[] =
                 .type =       SOCK_DGRAM,
                 .protocol =   IPPROTO_ICMP,
                 .prot =       &ping_prot,
-                .ops =        &inet_dgram_ops,
+                .ops =        &inet_sockraw_ops,
                 .flags =      INET_PROTOSW_REUSE,
        },
 
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 43318b5f5647..9144fa7df2ad 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -657,8 +657,12 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
         /* Needed by both icmp_global_allow and icmp_xmit_lock */
         local_bh_disable();
 
-        /* Check global sysctl_icmp_msgs_per_sec ratelimit */
-        if (!icmpv4_global_allow(net, type, code))
+        /* Check global sysctl_icmp_msgs_per_sec ratelimit, unless
+         * incoming dev is loopback.  If outgoing dev change to not be
+         * loopback, then peer ratelimit still work (in icmpv4_xrlim_allow)
+         */
+        if (!(skb_in->dev && (skb_in->dev->flags&IFF_LOOPBACK)) &&
+              !icmpv4_global_allow(net, type, code))
                 goto out_bh_enable;
 
         sk = icmp_xmit_lock(net);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 44fd86de2823..ec9a396fa466 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1112,6 +1112,7 @@ static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im)
         pmc = kzalloc(sizeof(*pmc), GFP_KERNEL);
         if (!pmc)
                 return;
+        spin_lock_init(&pmc->lock);
         spin_lock_bh(&im->lock);
         pmc->interface = im->interface;
         in_dev_hold(in_dev);
@@ -2071,21 +2072,26 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
 
 static void ip_mc_clear_src(struct ip_mc_list *pmc)
 {
-        struct ip_sf_list *psf, *nextpsf;
+        struct ip_sf_list *psf, *nextpsf, *tomb, *sources;
 
-        for (psf = pmc->tomb; psf; psf = nextpsf) {
+        spin_lock_bh(&pmc->lock);
+        tomb = pmc->tomb;
+        pmc->tomb = NULL;
+        sources = pmc->sources;
+        pmc->sources = NULL;
+        pmc->sfmode = MCAST_EXCLUDE;
+        pmc->sfcount[MCAST_INCLUDE] = 0;
+        pmc->sfcount[MCAST_EXCLUDE] = 1;
+        spin_unlock_bh(&pmc->lock);
+
+        for (psf = tomb; psf; psf = nextpsf) {
                 nextpsf = psf->sf_next;
                 kfree(psf);
         }
-        pmc->tomb = NULL;
-        for (psf = pmc->sources; psf; psf = nextpsf) {
+        for (psf = sources; psf; psf = nextpsf) {
                 nextpsf = psf->sf_next;
                 kfree(psf);
         }
-        pmc->sources = NULL;
-        pmc->sfmode = MCAST_EXCLUDE;
-        pmc->sfcount[MCAST_INCLUDE] = 0;
-        pmc->sfcount[MCAST_EXCLUDE] = 1;
 }
 
 /* Join a multicast group
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 7a3fd25e8913..532b36e9ce2a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -964,7 +964,8 @@ static int __ip_append_data(struct sock *sk,
                 csummode = CHECKSUM_PARTIAL;
 
         cork->length += length;
-        if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) &&
+        if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) ||
+             (skb && skb_is_gso(skb))) &&
             (sk->sk_protocol == IPPROTO_UDP) &&
             (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
             (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) {
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index b878ecbc0608..129d1a3616f8 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -446,6 +446,8 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
         return 0;
 
 drop:
+        if (tun_dst)
+                dst_release((struct dst_entry *)tun_dst);
         kfree_skb(skb);
         return 0;
 }
@@ -967,7 +969,6 @@ static void ip_tunnel_dev_free(struct net_device *dev)
         gro_cells_destroy(&tunnel->gro_cells);
         dst_cache_destroy(&tunnel->dst_cache);
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 void ip_tunnel_dellink(struct net_device *dev, struct list_head *head)
@@ -1155,7 +1156,8 @@ int ip_tunnel_init(struct net_device *dev)
         struct iphdr *iph = &tunnel->parms.iph;
         int err;
 
-        dev->destructor = ip_tunnel_dev_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = ip_tunnel_dev_free;
         dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
         if (!dev->tstats)
                 return -ENOMEM;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 551de4d023a8..8ae425cad818 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -101,8 +101,8 @@ static struct mr_table *ipmr_new_table(struct net *net, u32 id);
 static void ipmr_free_table(struct mr_table *mrt);
 
 static void ip_mr_forward(struct net *net, struct mr_table *mrt,
-                          struct sk_buff *skb, struct mfc_cache *cache,
-                          int local);
+                          struct net_device *dev, struct sk_buff *skb,
+                          struct mfc_cache *cache, int local);
 static int ipmr_cache_report(struct mr_table *mrt,
                              struct sk_buff *pkt, vifi_t vifi, int assert);
 static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
@@ -501,7 +501,7 @@ static void reg_vif_setup(struct net_device *dev)
         dev->mtu                = ETH_DATA_LEN - sizeof(struct iphdr) - 8;
         dev->flags              = IFF_NOARP;
         dev->netdev_ops         = &reg_vif_netdev_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
         dev->features           |= NETIF_F_NETNS_LOCAL;
 }
 
@@ -988,7 +988,7 @@ static void ipmr_cache_resolve(struct net *net, struct mr_table *mrt,
 
                         rtnl_unicast(skb, net, NETLINK_CB(skb).portid);
                 } else {
-                        ip_mr_forward(net, mrt, skb, c, 0);
+                        ip_mr_forward(net, mrt, skb->dev, skb, c, 0);
                 }
         }
 }
@@ -1073,7 +1073,7 @@ static int ipmr_cache_report(struct mr_table *mrt,
 
 /* Queue a packet for resolution. It gets locked cache entry! */
 static int ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi,
-                                 struct sk_buff *skb)
+                                 struct sk_buff *skb, struct net_device *dev)
 {
         const struct iphdr *iph = ip_hdr(skb);
         struct mfc_cache *c;
@@ -1130,6 +1130,10 @@ static int ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi,
                 kfree_skb(skb);
                 err = -ENOBUFS;
         } else {
+                if (dev) {
+                        skb->dev = dev;
+                        skb->skb_iif = dev->ifindex;
+                }
                 skb_queue_tail(&c->mfc_un.unres.unresolved, skb);
                 err = 0;
         }
@@ -1828,10 +1832,10 @@ static int ipmr_find_vif(struct mr_table *mrt, struct net_device *dev)
 
 /* "local" means that we should preserve one skb (for local delivery) */
 static void ip_mr_forward(struct net *net, struct mr_table *mrt,
-                          struct sk_buff *skb, struct mfc_cache *cache,
-                          int local)
+                          struct net_device *dev, struct sk_buff *skb,
+                          struct mfc_cache *cache, int local)
 {
-        int true_vifi = ipmr_find_vif(mrt, skb->dev);
+        int true_vifi = ipmr_find_vif(mrt, dev);
         int psend = -1;
         int vif, ct;
 
@@ -1853,13 +1857,7 @@ static void ip_mr_forward(struct net *net, struct mr_table *mrt,
         }
 
         /* Wrong interface: drop packet and (maybe) send PIM assert. */
-        if (mrt->vif_table[vif].dev != skb->dev) {
-                struct net_device *mdev;
-
-                mdev = l3mdev_master_dev_rcu(mrt->vif_table[vif].dev);
-                if (mdev == skb->dev)
-                        goto forward;
-
+        if (mrt->vif_table[vif].dev != dev) {
                 if (rt_is_output_route(skb_rtable(skb))) {
                         /* It is our own packet, looped back.
                          * Very complicated situation...
@@ -2053,7 +2051,7 @@ int ip_mr_input(struct sk_buff *skb)
                 read_lock(&mrt_lock);
                 vif = ipmr_find_vif(mrt, dev);
                 if (vif >= 0) {
-                        int err2 = ipmr_cache_unresolved(mrt, vif, skb);
+                        int err2 = ipmr_cache_unresolved(mrt, vif, skb, dev);
                         read_unlock(&mrt_lock);
 
                         return err2;
@@ -2064,7 +2062,7 @@ int ip_mr_input(struct sk_buff *skb)
         }
 
         read_lock(&mrt_lock);
-        ip_mr_forward(net, mrt, skb, cache, local);
+        ip_mr_forward(net, mrt, dev, skb, cache, local);
         read_unlock(&mrt_lock);
 
         if (local)
@@ -2238,7 +2236,7 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb,
                 iph->saddr = saddr;
                 iph->daddr = daddr;
                 iph->version = 0;
-                err = ipmr_cache_unresolved(mrt, vif, skb2);
+                err = ipmr_cache_unresolved(mrt, vif, skb2, dev);
                 read_unlock(&mrt_lock);
                 rcu_read_unlock();
                 return err;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 59792d283ff8..40aca7803cf2 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2330,6 +2330,8 @@ int tcp_disconnect(struct sock *sk, int flags)
         tcp_init_send_head(sk);
         memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
         __sk_dst_reset(sk);
+        dst_release(sk->sk_rx_dst);
+        sk->sk_rx_dst = NULL;
         tcp_saved_syn_free(tp);
 
         /* Clean up fastopen related fields */
@@ -2381,9 +2383,10 @@ static int tcp_repair_set_window(struct tcp_sock *tp, char __user *optbuf, int l
         return 0;
 }
 
-static int tcp_repair_options_est(struct tcp_sock *tp,
+static int tcp_repair_options_est(struct sock *sk,
                 struct tcp_repair_opt __user *optbuf, unsigned int len)
 {
+        struct tcp_sock *tp = tcp_sk(sk);
         struct tcp_repair_opt opt;
 
         while (len >= sizeof(opt)) {
@@ -2396,6 +2399,7 @@ static int tcp_repair_options_est(struct tcp_sock *tp,
                 switch (opt.opt_code) {
                 case TCPOPT_MSS:
                         tp->rx_opt.mss_clamp = opt.opt_val;
+                        tcp_mtup_init(sk);
                         break;
                 case TCPOPT_WINDOW:
                         {
@@ -2555,7 +2559,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
                 if (!tp->repair)
                         err = -EINVAL;
                 else if (sk->sk_state == TCP_ESTABLISHED)
-                        err = tcp_repair_options_est(tp,
+                        err = tcp_repair_options_est(sk,
                                         (struct tcp_repair_opt __user *)optval,
                                         optlen);
                 else
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 6e3c512054a6..324c9bcc5456 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -180,6 +180,7 @@ void tcp_init_congestion_control(struct sock *sk)
 {
         const struct inet_connection_sock *icsk = inet_csk(sk);
 
+        tcp_sk(sk)->prior_ssthresh = 0;
         if (icsk->icsk_ca_ops->init)
                 icsk->icsk_ca_ops->init(sk);
         if (tcp_ca_needs_ecn(sk))
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 6a4fb1e629fb..1d2dbace42ff 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -332,9 +332,9 @@ static void addrconf_mod_rs_timer(struct inet6_dev *idev,
 static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp,
                                    unsigned long delay)
 {
-        if (!delayed_work_pending(&ifp->dad_work))
-                in6_ifa_hold(ifp);
-        mod_delayed_work(addrconf_wq, &ifp->dad_work, delay);
+        in6_ifa_hold(ifp);
+        if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay))
+                in6_ifa_put(ifp);
 }
 
 static int snmp6_alloc_dev(struct inet6_dev *idev)
@@ -3369,6 +3369,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
         struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct netdev_notifier_changeupper_info *info;
         struct inet6_dev *idev = __in6_dev_get(dev);
+        struct net *net = dev_net(dev);
         int run_pending = 0;
         int err;
 
@@ -3384,7 +3385,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
         case NETDEV_CHANGEMTU:
                 /* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */
                 if (dev->mtu < IPV6_MIN_MTU) {
-                        addrconf_ifdown(dev, 1);
+                        addrconf_ifdown(dev, dev != net->loopback_dev);
                         break;
                 }
 
@@ -3500,7 +3501,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                          * IPV6_MIN_MTU stop IPv6 on this interface.
                          */
                         if (dev->mtu < IPV6_MIN_MTU)
-                                addrconf_ifdown(dev, 1);
+                                addrconf_ifdown(dev, dev != net->loopback_dev);
                 }
                 break;
 
diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index 37ac9de713c6..8d772fea1dde 100644
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -1319,7 +1319,7 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
         struct ipv6hdr *ip6_hdr;
         struct ipv6_opt_hdr *hop;
         unsigned char buf[CALIPSO_MAX_BUFFER];
-        int len_delta, new_end, pad;
+        int len_delta, new_end, pad, payload;
         unsigned int start, end;
 
         ip6_hdr = ipv6_hdr(skb);
@@ -1346,6 +1346,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
         if (ret_val < 0)
                 return ret_val;
 
+        ip6_hdr = ipv6_hdr(skb); /* Reset as skb_cow() may have moved it */
+
         if (len_delta) {
                 if (len_delta > 0)
                         skb_push(skb, len_delta);
@@ -1355,6 +1357,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb,
                         sizeof(*ip6_hdr) + start);
                 skb_reset_network_header(skb);
                 ip6_hdr = ipv6_hdr(skb);
+                payload = ntohs(ip6_hdr->payload_len);
+                ip6_hdr->payload_len = htons(payload + len_delta);
         }
 
         hop = (struct ipv6_opt_hdr *)(ip6_hdr + 1);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index e011122ebd43..5c786f5ab961 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -250,8 +250,14 @@ ipv4_connected:
          */
 
         err = ip6_datagram_dst_update(sk, true);
-        if (err)
+        if (err) {
+                /* Reset daddr and dport so that udp_v6_early_demux()
+                 * fails to find this socket
+                 */
+                memset(&sk->sk_v6_daddr, 0, sizeof(sk->sk_v6_daddr));
+                inet->inet_dport = 0;
                 goto out;
+        }
 
         sk->sk_state = TCP_ESTABLISHED;
         sk_set_txhash(sk);
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index d950d43ba255..f02f131f6435 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -30,6 +30,25 @@
 #include <net/ipv6.h>
 #include <linux/icmpv6.h>
 
+static __u16 esp6_nexthdr_esp_offset(struct ipv6hdr *ipv6_hdr, int nhlen)
+{
+        int off = sizeof(struct ipv6hdr);
+        struct ipv6_opt_hdr *exthdr;
+
+        if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP))
+                return offsetof(struct ipv6hdr, nexthdr);
+
+        while (off < nhlen) {
+                exthdr = (void *)ipv6_hdr + off;
+                if (exthdr->nexthdr == NEXTHDR_ESP)
+                        return off;
+
+                off += ipv6_optlen(exthdr);
+        }
+
+        return 0;
+}
+
 static struct sk_buff **esp6_gro_receive(struct sk_buff **head,
                                          struct sk_buff *skb)
 {
@@ -38,6 +57,7 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head,
         struct xfrm_state *x;
         __be32 seq;
         __be32 spi;
+        int nhoff;
         int err;
 
         skb_pull(skb, offset);
@@ -72,6 +92,11 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head,
 
         xo->flags |= XFRM_GRO;
 
+        nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset);
+        if (!nhoff)
+                goto out;
+
+        IP6CB(skb)->nhoff = nhoff;
         XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
         XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
         XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index eea23b57c6a5..ec849d88a662 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -32,7 +32,6 @@ struct fib6_rule {
 struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
                                    int flags, pol_lookup_t lookup)
 {
-        struct rt6_info *rt;
         struct fib_lookup_arg arg = {
                 .lookup_ptr = lookup,
                 .flags = FIB_LOOKUP_NOREF,
@@ -44,21 +43,11 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
         fib_rules_lookup(net->ipv6.fib6_rules_ops,
                          flowi6_to_flowi(fl6), flags, &arg);
 
-        rt = arg.result;
+        if (arg.result)
+                return arg.result;
 
-        if (!rt) {
-                dst_hold(&net->ipv6.ip6_null_entry->dst);
-                return &net->ipv6.ip6_null_entry->dst;
-        }
-
-        if (rt->rt6i_flags & RTF_REJECT &&
-            rt->dst.error == -EAGAIN) {
-                ip6_rt_put(rt);
-                rt = net->ipv6.ip6_null_entry;
-                dst_hold(&rt->dst);
-        }
-
-        return &rt->dst;
+        dst_hold(&net->ipv6.ip6_null_entry->dst);
+        return &net->ipv6.ip6_null_entry->dst;
 }
 
 static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
@@ -121,7 +110,8 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
                         flp6->saddr = saddr;
                 }
                 err = rt->dst.error;
-                goto out;
+                if (err != -EAGAIN)
+                        goto out;
         }
 again:
         ip6_rt_put(rt);
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 230b5aac9f03..8d7b113958b1 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -491,7 +491,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
         local_bh_disable();
 
         /* Check global sysctl_icmp_msgs_per_sec ratelimit */
-        if (!icmpv6_global_allow(type))
+        if (!(skb->dev->flags&IFF_LOOPBACK) && !icmpv6_global_allow(type))
                 goto out_bh_enable;
 
         mip6_addr_swap(skb);
diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c
index 2fd5ca151dcf..77f7f8c7d93d 100644
--- a/net/ipv6/ila/ila_xlat.c
+++ b/net/ipv6/ila/ila_xlat.c
@@ -62,6 +62,7 @@ static inline u32 ila_locator_hash(struct ila_locator loc)
 {
         u32 *v = (u32 *)loc.v32;
 
+        __ila_hash_secret_init();
         return jhash_2words(v[0], v[1], hashrnd);
 }
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index d4bf2c68a545..e6b78ba0e636 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -289,8 +289,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
         struct rt6_info *rt;
 
         rt = lookup(net, net->ipv6.fib6_main_tbl, fl6, flags);
-        if (rt->rt6i_flags & RTF_REJECT &&
-            rt->dst.error == -EAGAIN) {
+        if (rt->dst.error == -EAGAIN) {
                 ip6_rt_put(rt);
                 rt = net->ipv6.ip6_null_entry;
                 dst_hold(&rt->dst);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 0c5b4caa1949..64eea3962733 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -991,13 +991,13 @@ static void ip6gre_dev_free(struct net_device *dev)
 
         dst_cache_destroy(&t->dst_cache);
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 static void ip6gre_tunnel_setup(struct net_device *dev)
 {
         dev->netdev_ops = &ip6gre_netdev_ops;
-        dev->destructor = ip6gre_dev_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = ip6gre_dev_free;
 
         dev->type = ARPHRD_IP6GRE;
 
@@ -1148,7 +1148,7 @@ static int __net_init ip6gre_init_net(struct net *net)
         return 0;
 
 err_reg_dev:
-        ip6gre_dev_free(ign->fb_tunnel_dev);
+        free_netdev(ign->fb_tunnel_dev);
 err_alloc_dev:
         return err;
 }
@@ -1300,7 +1300,8 @@ static void ip6gre_tap_setup(struct net_device *dev)
         ether_setup(dev);
 
         dev->netdev_ops = &ip6gre_tap_netdev_ops;
-        dev->destructor = ip6gre_dev_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = ip6gre_dev_free;
 
         dev->features |= NETIF_F_NETNS_LOCAL;
         dev->priv_flags &= ~IFF_TX_SKB_SHARING;
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 280268f1dd7b..cdb3728faca7 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -116,8 +116,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
 
                 if (udpfrag) {
                         int err = ip6_find_1stfragopt(skb, &prevhdr);
-                        if (err < 0)
+                        if (err < 0) {
+                                kfree_skb_list(segs);
                                 return ERR_PTR(err);
+                        }
                         fptr = (struct frag_hdr *)((u8 *)ipv6h + err);
                         fptr->frag_off = htons(offset);
                         if (skb->next)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index bf8a58a1c32d..1699acb2fa2c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1390,7 +1390,7 @@ emsgsize:
          */
 
         cork->length += length;
-        if ((((length + fragheaderlen) > mtu) ||
+        if ((((length + (skb ? skb->len : headersize)) > mtu) ||
              (skb && skb_is_gso(skb))) &&
             (sk->sk_protocol == IPPROTO_UDP) &&
             (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) &&
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 7ae6c503f1ca..8c6c3c8e7eef 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -254,7 +254,6 @@ static void ip6_dev_free(struct net_device *dev)
         gro_cells_destroy(&t->gro_cells);
         dst_cache_destroy(&t->dst_cache);
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 static int ip6_tnl_create2(struct net_device *dev)
@@ -322,7 +321,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p)
         return t;
 
 failed_free:
-        ip6_dev_free(dev);
+        free_netdev(dev);
 failed:
         return ERR_PTR(err);
 }
@@ -859,6 +858,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb,
         return 0;
 
 drop:
+        if (tun_dst)
+                dst_release((struct dst_entry *)tun_dst);
         kfree_skb(skb);
         return 0;
 }
@@ -1095,6 +1096,9 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
 
         if (!dst) {
 route_lookup:
+                /* add dsfield to flowlabel for route lookup */
+                fl6->flowlabel = ip6_make_flowinfo(dsfield, fl6->flowlabel);
+
                 dst = ip6_route_output(net, NULL, fl6);
 
                 if (dst->error)
@@ -1244,7 +1248,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                 fl6.flowi6_proto = IPPROTO_IPIP;
                 fl6.daddr = key->u.ipv6.dst;
                 fl6.flowlabel = key->label;
-                dsfield = ip6_tclass(key->label);
+                dsfield =  key->tos;
         } else {
                 if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
                         encap_limit = t->parms.encap_limit;
@@ -1315,7 +1319,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                 fl6.flowi6_proto = IPPROTO_IPV6;
                 fl6.daddr = key->u.ipv6.dst;
                 fl6.flowlabel = key->label;
-                dsfield = ip6_tclass(key->label);
+                dsfield = key->tos;
         } else {
                 offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb));
                 /* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */
@@ -1774,7 +1778,8 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
 static void ip6_tnl_dev_setup(struct net_device *dev)
 {
         dev->netdev_ops = &ip6_tnl_netdev_ops;
-        dev->destructor = ip6_dev_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = ip6_dev_free;
 
         dev->type = ARPHRD_TUNNEL6;
         dev->flags |= IFF_NOARP;
@@ -2221,7 +2226,7 @@ static int __net_init ip6_tnl_init_net(struct net *net)
         return 0;
 
 err_register:
-        ip6_dev_free(ip6n->fb_tnl_dev);
+        free_netdev(ip6n->fb_tnl_dev);
 err_alloc_dev:
         return err;
 }
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index d67ef56454b2..837ea1eefe7f 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -180,7 +180,6 @@ vti6_tnl_unlink(struct vti6_net *ip6n, struct ip6_tnl *t)
 static void vti6_dev_free(struct net_device *dev)
 {
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 static int vti6_tnl_create2(struct net_device *dev)
@@ -235,7 +234,7 @@ static struct ip6_tnl *vti6_tnl_create(struct net *net, struct __ip6_tnl_parm *p
         return t;
 
 failed_free:
-        vti6_dev_free(dev);
+        free_netdev(dev);
 failed:
         return NULL;
 }
@@ -842,7 +841,8 @@ static const struct net_device_ops vti6_netdev_ops = {
 static void vti6_dev_setup(struct net_device *dev)
 {
         dev->netdev_ops = &vti6_netdev_ops;
-        dev->destructor = vti6_dev_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = vti6_dev_free;
 
         dev->type = ARPHRD_TUNNEL6;
         dev->hard_header_len = LL_MAX_HEADER + sizeof(struct ipv6hdr);
@@ -1100,7 +1100,7 @@ static int __net_init vti6_init_net(struct net *net)
         return 0;
 
 err_register:
-        vti6_dev_free(ip6n->fb_tnl_dev);
+        free_netdev(ip6n->fb_tnl_dev);
 err_alloc_dev:
         return err;
 }
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 374997d26488..2ecb39b943b5 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -733,7 +733,7 @@ static void reg_vif_setup(struct net_device *dev)
         dev->mtu                = 1500 - sizeof(struct ipv6hdr) - 8;
         dev->flags              = IFF_NOARP;
         dev->netdev_ops         = &reg_vif_netdev_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
         dev->features           |= NETIF_F_NETNS_LOCAL;
 }
 
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 9b522fa90e6d..ac826dd338ff 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -192,7 +192,7 @@ static struct inet_protosw pingv6_protosw = {
         .type =      SOCK_DGRAM,
         .protocol =  IPPROTO_ICMPV6,
         .prot =      &pingv6_prot,
-        .ops =       &inet6_dgram_ops,
+        .ops =       &inet6_sockraw_ops,
         .flags =     INET_PROTOSW_REUSE,
 };
 
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index cc8e3ae9ca73..e88bcb8ff0fd 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -219,7 +219,7 @@ static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu *mib,
         u64 buff64[SNMP_MIB_MAX];
         int i;
 
-        memset(buff64, 0, sizeof(unsigned long) * SNMP_MIB_MAX);
+        memset(buff64, 0, sizeof(u64) * SNMP_MIB_MAX);
 
         snmp_get_cpu_field64_batch(buff64, itemlist, mib, syncpoff);
         for (i = 0; itemlist[i].name; i++)
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 1f992d9e261d..60be012fe708 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1338,7 +1338,7 @@ void raw6_proc_exit(void)
 #endif  /* CONFIG_PROC_FS */
 
 /* Same as inet6_dgram_ops, sans udp_poll.  */
-static const struct proto_ops inet6_sockraw_ops = {
+const struct proto_ops inet6_sockraw_ops = {
         .family            = PF_INET6,
         .owner             = THIS_MODULE,
         .release           = inet6_release,
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index dc61b0b5e64e..322bd62e688b 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2804,6 +2804,7 @@ static int fib6_ifdown(struct rt6_info *rt, void *arg)
         if ((rt->dst.dev == dev || !dev) &&
             rt != adn->net->ipv6.ip6_null_entry &&
             (rt->rt6i_nsiblings == 0 ||
+             (dev && netdev_unregistering(dev)) ||
              !rt->rt6i_idev->cnf.ignore_routes_with_linkdown))
                 return -1;
 
@@ -3721,7 +3722,11 @@ static int ip6_route_dev_notify(struct notifier_block *this,
                 net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
                 net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
 #endif
-         } else if (event == NETDEV_UNREGISTER) {
+         } else if (event == NETDEV_UNREGISTER &&
+                    dev->reg_state != NETREG_UNREGISTERED) {
+                /* NETDEV_UNREGISTER could be fired for multiple times by
+                 * netdev_wait_allrefs(). Make sure we only call this once.
+                 */
                 in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev);
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
                 in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 61e5902f0687..f8ad15891cd7 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -265,7 +265,7 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
         return nt;
 
 failed_free:
-        ipip6_dev_free(dev);
+        free_netdev(dev);
 failed:
         return NULL;
 }
@@ -305,7 +305,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
          * we try harder to allocate.
          */
         kp = (cmax <= 1 || capable(CAP_NET_ADMIN)) ?
-                kcalloc(cmax, sizeof(*kp), GFP_KERNEL) :
+                kcalloc(cmax, sizeof(*kp), GFP_KERNEL | __GFP_NOWARN) :
                 NULL;
 
         rcu_read_lock();
@@ -1336,7 +1336,6 @@ static void ipip6_dev_free(struct net_device *dev)
 
         dst_cache_destroy(&tunnel->dst_cache);
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 #define SIT_FEATURES (NETIF_F_SG           | \
@@ -1351,7 +1350,8 @@ static void ipip6_tunnel_setup(struct net_device *dev)
         int t_hlen = tunnel->hlen + sizeof(struct iphdr);
 
         dev->netdev_ops         = &ipip6_netdev_ops;
-        dev->destructor         = ipip6_dev_free;
+        dev->needs_free_netdev  = true;
+        dev->priv_destructor    = ipip6_dev_free;
 
         dev->type               = ARPHRD_SIT;
         dev->hard_header_len    = LL_MAX_HEADER + t_hlen;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 06ec39b79609..75703fda23e7 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -879,7 +879,8 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net,
         struct sock *sk;
 
         udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) {
-                if (INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif))
+                if (sk->sk_state == TCP_ESTABLISHED &&
+                    INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif))
                         return sk;
                 /* Only check first socket in chain */
                 break;
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 08a807b29298..3ef5d913e7a3 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -43,8 +43,8 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async)
                 return 1;
 #endif
 
-        ipv6_hdr(skb)->payload_len = htons(skb->len);
         __skb_push(skb, skb->data - skb_network_header(skb));
+        ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
 
         if (xo && (xo->flags & XFRM_GRO)) {
                 skb_mac_header_rebuild(skb);
diff --git a/net/ipv6/xfrm6_mode_ro.c b/net/ipv6/xfrm6_mode_ro.c
index 0e015906f9ca..07d36573f50b 100644
--- a/net/ipv6/xfrm6_mode_ro.c
+++ b/net/ipv6/xfrm6_mode_ro.c
@@ -47,6 +47,8 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb)
         iph = ipv6_hdr(skb);
 
         hdr_len = x->type->hdr_offset(x, skb, &prevhdr);
+        if (hdr_len < 0)
+                return hdr_len;
         skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data);
         skb_set_network_header(skb, -x->props.header_len);
         skb->transport_header = skb->network_header + hdr_len;
diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c
index 7a92c0f31912..9ad07a91708e 100644
--- a/net/ipv6/xfrm6_mode_transport.c
+++ b/net/ipv6/xfrm6_mode_transport.c
@@ -30,6 +30,8 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb)
         skb_set_inner_transport_header(skb, skb_transport_offset(skb));
 
         hdr_len = x->type->hdr_offset(x, skb, &prevhdr);
+        if (hdr_len < 0)
+                return hdr_len;
         skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data);
         skb_set_network_header(skb, -x->props.header_len);
         skb->transport_header = skb->network_header + hdr_len;
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 74d09f91709e..3be852808a9d 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -65,7 +65,7 @@ static void irlan_eth_setup(struct net_device *dev)
         ether_setup(dev);
 
         dev->netdev_ops         = &irlan_eth_netdev_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
         dev->min_mtu            = 0;
         dev->max_mtu            = ETH_MAX_MTU;
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 512dc43d0ce6..b1432b668033 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1157,6 +1157,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                         goto out;
         }
 
+        err = -ENOBUFS;
         key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
         if (sa->sadb_sa_auth) {
                 int keysize = 0;
@@ -1168,8 +1169,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                 if (key)
                         keysize = (key->sadb_key_bits + 7) / 8;
                 x->aalg = kmalloc(sizeof(*x->aalg) + keysize, GFP_KERNEL);
-                if (!x->aalg)
+                if (!x->aalg) {
+                        err = -ENOMEM;
                         goto out;
+                }
                 strcpy(x->aalg->alg_name, a->name);
                 x->aalg->alg_key_len = 0;
                 if (key) {
@@ -1188,8 +1191,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                                 goto out;
                         }
                         x->calg = kmalloc(sizeof(*x->calg), GFP_KERNEL);
-                        if (!x->calg)
+                        if (!x->calg) {
+                                err = -ENOMEM;
                                 goto out;
+                        }
                         strcpy(x->calg->alg_name, a->name);
                         x->props.calgo = sa->sadb_sa_encrypt;
                 } else {
@@ -1203,8 +1208,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                         if (key)
                                 keysize = (key->sadb_key_bits + 7) / 8;
                         x->ealg = kmalloc(sizeof(*x->ealg) + keysize, GFP_KERNEL);
-                        if (!x->ealg)
+                        if (!x->ealg) {
+                                err = -ENOMEM;
                                 goto out;
+                        }
                         strcpy(x->ealg->alg_name, a->name);
                         x->ealg->alg_key_len = 0;
                         if (key) {
@@ -1249,8 +1256,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                 struct xfrm_encap_tmpl *natt;
 
                 x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL);
-                if (!x->encap)
+                if (!x->encap) {
+                        err = -ENOMEM;
                         goto out;
+                }
 
                 natt = x->encap;
                 n_type = ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1];
@@ -2755,6 +2764,8 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad
         int err, err2;
 
         err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true);
+        if (!err)
+                xfrm_garbage_collect(net);
         err2 = unicast_flush_resp(sk, hdr);
         if (err || err2) {
                 if (err == -ESRCH) /* empty table - old silent behavior */
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index 8b21af7321b9..4de2ec94b08c 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -114,12 +114,13 @@ static void l2tp_eth_get_stats64(struct net_device *dev,
 {
         struct l2tp_eth *priv = netdev_priv(dev);
 
-        stats->tx_bytes   = atomic_long_read(&priv->tx_bytes);
-        stats->tx_packets = atomic_long_read(&priv->tx_packets);
-        stats->tx_dropped = atomic_long_read(&priv->tx_dropped);
-        stats->rx_bytes   = atomic_long_read(&priv->rx_bytes);
-        stats->rx_packets = atomic_long_read(&priv->rx_packets);
-        stats->rx_errors  = atomic_long_read(&priv->rx_errors);
+        stats->tx_bytes   = (unsigned long) atomic_long_read(&priv->tx_bytes);
+        stats->tx_packets = (unsigned long) atomic_long_read(&priv->tx_packets);
+        stats->tx_dropped = (unsigned long) atomic_long_read(&priv->tx_dropped);
+        stats->rx_bytes   = (unsigned long) atomic_long_read(&priv->rx_bytes);
+        stats->rx_packets = (unsigned long) atomic_long_read(&priv->rx_packets);
+        stats->rx_errors  = (unsigned long) atomic_long_read(&priv->rx_errors);
+
 }
 
 static const struct net_device_ops l2tp_eth_netdev_ops = {
@@ -141,7 +142,7 @@ static void l2tp_eth_dev_setup(struct net_device *dev)
         dev->priv_flags         &= ~IFF_TX_SKB_SHARING;
         dev->features           |= NETIF_F_LLTX;
         dev->netdev_ops         = &l2tp_eth_netdev_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
 }
 
 static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, int data_len)
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 60e2a62f7bef..cf2392b2ac71 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -7,7 +7,7 @@
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2010, Intel Corporation
- * Copyright(c) 2015 Intel Deutschland GmbH
+ * Copyright(c) 2015-2017 Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -741,46 +741,43 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
         ieee80211_agg_start_txq(sta, tid, true);
 }
 
-void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
+void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
+                              struct tid_ampdu_tx *tid_tx)
 {
-        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+        struct ieee80211_sub_if_data *sdata = sta->sdata;
         struct ieee80211_local *local = sdata->local;
-        struct sta_info *sta;
-        struct tid_ampdu_tx *tid_tx;
 
-        trace_api_start_tx_ba_cb(sdata, ra, tid);
+        if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)))
+                return;
+
+        if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state))
+                ieee80211_agg_tx_operational(local, sta, tid);
+}
+
+static struct tid_ampdu_tx *
+ieee80211_lookup_tid_tx(struct ieee80211_sub_if_data *sdata,
+                        const u8 *ra, u16 tid, struct sta_info **sta)
+{
+        struct tid_ampdu_tx *tid_tx;
 
         if (tid >= IEEE80211_NUM_TIDS) {
                 ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
                        tid, IEEE80211_NUM_TIDS);
-                return;
+                return NULL;
         }
 
-        mutex_lock(&local->sta_mtx);
-        sta = sta_info_get_bss(sdata, ra);
-        if (!sta) {
-                mutex_unlock(&local->sta_mtx);
+        *sta = sta_info_get_bss(sdata, ra);
+        if (!*sta) {
                 ht_dbg(sdata, "Could not find station: %pM\n", ra);
-                return;
+                return NULL;
         }
 
-        mutex_lock(&sta->ampdu_mlme.mtx);
-        tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
+        tid_tx = rcu_dereference((*sta)->ampdu_mlme.tid_tx[tid]);
 
-        if (WARN_ON(!tid_tx)) {
+        if (WARN_ON(!tid_tx))
                 ht_dbg(sdata, "addBA was not requested!\n");
-                goto unlock;
-        }
 
-        if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)))
-                goto unlock;
-
-        if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state))
-                ieee80211_agg_tx_operational(local, sta, tid);
-
- unlock:
-        mutex_unlock(&sta->ampdu_mlme.mtx);
-        mutex_unlock(&local->sta_mtx);
+        return tid_tx;
 }
 
 void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
@@ -788,19 +785,20 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 {
         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
         struct ieee80211_local *local = sdata->local;
-        struct ieee80211_ra_tid *ra_tid;
-        struct sk_buff *skb = dev_alloc_skb(0);
+        struct sta_info *sta;
+        struct tid_ampdu_tx *tid_tx;
 
-        if (unlikely(!skb))
-                return;
+        trace_api_start_tx_ba_cb(sdata, ra, tid);
 
-        ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-        memcpy(&ra_tid->ra, ra, ETH_ALEN);
-        ra_tid->tid = tid;
+        rcu_read_lock();
+        tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta);
+        if (!tid_tx)
+                goto out;
 
-        skb->pkt_type = IEEE80211_SDATA_QUEUE_AGG_START;
-        skb_queue_tail(&sdata->skb_queue, skb);
-        ieee80211_queue_work(&local->hw, &sdata->work);
+        set_bit(HT_AGG_STATE_START_CB, &tid_tx->state);
+        ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ out:
+        rcu_read_unlock();
 }
 EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
 
@@ -860,37 +858,18 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
 }
 EXPORT_SYMBOL(ieee80211_stop_tx_ba_session);
 
-void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
+void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
+                             struct tid_ampdu_tx *tid_tx)
 {
-        struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
-        struct ieee80211_local *local = sdata->local;
-        struct sta_info *sta;
-        struct tid_ampdu_tx *tid_tx;
+        struct ieee80211_sub_if_data *sdata = sta->sdata;
         bool send_delba = false;
 
-        trace_api_stop_tx_ba_cb(sdata, ra, tid);
-
-        if (tid >= IEEE80211_NUM_TIDS) {
-                ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
-                       tid, IEEE80211_NUM_TIDS);
-                return;
-        }
-
-        ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", ra, tid);
-
-        mutex_lock(&local->sta_mtx);
-
-        sta = sta_info_get_bss(sdata, ra);
-        if (!sta) {
-                ht_dbg(sdata, "Could not find station: %pM\n", ra);
-                goto unlock;
-        }
+        ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n",
+               sta->sta.addr, tid);
 
-        mutex_lock(&sta->ampdu_mlme.mtx);
         spin_lock_bh(&sta->lock);
-        tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
 
-        if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
+        if (!test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) {
                 ht_dbg(sdata,
                        "unexpected callback to A-MPDU stop for %pM tid %d\n",
                        sta->sta.addr, tid);
@@ -906,12 +885,8 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
         spin_unlock_bh(&sta->lock);
 
         if (send_delba)
-                ieee80211_send_delba(sdata, ra, tid,
+                ieee80211_send_delba(sdata, sta->sta.addr, tid,
                         WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
-
-        mutex_unlock(&sta->ampdu_mlme.mtx);
- unlock:
-        mutex_unlock(&local->sta_mtx);
 }
 
 void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
@@ -919,19 +894,20 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
 {
         struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
         struct ieee80211_local *local = sdata->local;
-        struct ieee80211_ra_tid *ra_tid;
-        struct sk_buff *skb = dev_alloc_skb(0);
+        struct sta_info *sta;
+        struct tid_ampdu_tx *tid_tx;
 
-        if (unlikely(!skb))
-                return;
+        trace_api_stop_tx_ba_cb(sdata, ra, tid);
 
-        ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-        memcpy(&ra_tid->ra, ra, ETH_ALEN);
-        ra_tid->tid = tid;
+        rcu_read_lock();
+        tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta);
+        if (!tid_tx)
+                goto out;
 
-        skb->pkt_type = IEEE80211_SDATA_QUEUE_AGG_STOP;
-        skb_queue_tail(&sdata->skb_queue, skb);
-        ieee80211_queue_work(&local->hw, &sdata->work);
+        set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state);
+        ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ out:
+        rcu_read_unlock();
 }
 EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe);
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6c2e6060cd54..4a388fe8c2d1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -902,6 +902,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
         default:
                 return -EINVAL;
         }
+        sdata->u.ap.req_smps = sdata->smps_mode;
+
         sdata->needed_rx_chains = sdata->local->rx_chains;
 
         sdata->vif.bss_conf.beacon_int = params->beacon_interval;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index f4a528773563..6ca5442b1e03 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -7,6 +7,7 @@
  * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2007-2010, Intel Corporation
+ * Copyright 2017       Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -289,8 +290,6 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
 {
         int i;
 
-        cancel_work_sync(&sta->ampdu_mlme.work);
-
         for (i = 0; i <  IEEE80211_NUM_TIDS; i++) {
                 __ieee80211_stop_tx_ba_session(sta, i, reason);
                 __ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT,
@@ -298,6 +297,9 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta,
                                                reason != AGG_STOP_DESTROY_STA &&
                                                reason != AGG_STOP_PEER_REQUEST);
         }
+
+        /* stopping might queue the work again - so cancel only afterwards */
+        cancel_work_sync(&sta->ampdu_mlme.work);
 }
 
 void ieee80211_ba_session_work(struct work_struct *work)
@@ -352,10 +354,16 @@ void ieee80211_ba_session_work(struct work_struct *work)
                 spin_unlock_bh(&sta->lock);
 
                 tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
-                if (tid_tx && test_and_clear_bit(HT_AGG_STATE_WANT_STOP,
-                                                 &tid_tx->state))
+                if (!tid_tx)
+                        continue;
+
+                if (test_and_clear_bit(HT_AGG_STATE_START_CB, &tid_tx->state))
+                        ieee80211_start_tx_ba_cb(sta, tid, tid_tx);
+                if (test_and_clear_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state))
                         ___ieee80211_stop_tx_ba_session(sta, tid,
                                                         AGG_STOP_LOCAL_REQUEST);
+                if (test_and_clear_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state))
+                        ieee80211_stop_tx_ba_cb(sta, tid, tid_tx);
         }
         mutex_unlock(&sta->ampdu_mlme.mtx);
 }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f8f6c148f554..5e002f62c235 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1036,8 +1036,6 @@ struct ieee80211_rx_agg {
 
 enum sdata_queue_type {
         IEEE80211_SDATA_QUEUE_TYPE_FRAME        = 0,
-        IEEE80211_SDATA_QUEUE_AGG_START         = 1,
-        IEEE80211_SDATA_QUEUE_AGG_STOP          = 2,
         IEEE80211_SDATA_QUEUE_RX_AGG_START      = 3,
         IEEE80211_SDATA_QUEUE_RX_AGG_STOP       = 4,
 };
@@ -1427,12 +1425,6 @@ ieee80211_get_sband(struct ieee80211_sub_if_data *sdata)
         return local->hw.wiphy->bands[band];
 }
 
-/* this struct represents 802.11n's RA/TID combination */
-struct ieee80211_ra_tid {
-        u8 ra[ETH_ALEN];
-        u16 tid;
-};
-
 /* this struct holds the value parsing from channel switch IE  */
 struct ieee80211_csa_ie {
         struct cfg80211_chan_def chandef;
@@ -1539,7 +1531,7 @@ ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
                 return true;
         /* can't handle non-legacy preamble yet */
         if (status->flag & RX_FLAG_MACTIME_PLCP_START &&
-            status->encoding != RX_ENC_LEGACY)
+            status->encoding == RX_ENC_LEGACY)
                 return true;
         return false;
 }
@@ -1794,8 +1786,10 @@ int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
                                    enum ieee80211_agg_stop_reason reason);
 int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
                                     enum ieee80211_agg_stop_reason reason);
-void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid);
-void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid);
+void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
+                              struct tid_ampdu_tx *tid_tx);
+void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid,
+                             struct tid_ampdu_tx *tid_tx);
 void ieee80211_ba_session_work(struct work_struct *work);
 void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid);
 void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 3bd5b81f5d81..f5f50150ba1c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1213,7 +1213,6 @@ static const struct net_device_ops ieee80211_monitorif_ops = {
 static void ieee80211_if_free(struct net_device *dev)
 {
         free_percpu(dev->tstats);
-        free_netdev(dev);
 }
 
 static void ieee80211_if_setup(struct net_device *dev)
@@ -1221,7 +1220,8 @@ static void ieee80211_if_setup(struct net_device *dev)
         ether_setup(dev);
         dev->priv_flags &= ~IFF_TX_SKB_SHARING;
         dev->netdev_ops = &ieee80211_dataif_ops;
-        dev->destructor = ieee80211_if_free;
+        dev->needs_free_netdev = true;
+        dev->priv_destructor = ieee80211_if_free;
 }
 
 static void ieee80211_if_setup_no_queue(struct net_device *dev)
@@ -1237,7 +1237,6 @@ static void ieee80211_iface_work(struct work_struct *work)
         struct ieee80211_local *local = sdata->local;
         struct sk_buff *skb;
         struct sta_info *sta;
-        struct ieee80211_ra_tid *ra_tid;
         struct ieee80211_rx_agg *rx_agg;
 
         if (!ieee80211_sdata_running(sdata))
@@ -1253,15 +1252,7 @@ static void ieee80211_iface_work(struct work_struct *work)
         while ((skb = skb_dequeue(&sdata->skb_queue))) {
                 struct ieee80211_mgmt *mgmt = (void *)skb->data;
 
-                if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_START) {
-                        ra_tid = (void *)&skb->cb;
-                        ieee80211_start_tx_ba_cb(&sdata->vif, ra_tid->ra,
-                                                 ra_tid->tid);
-                } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_STOP) {
-                        ra_tid = (void *)&skb->cb;
-                        ieee80211_stop_tx_ba_cb(&sdata->vif, ra_tid->ra,
-                                                ra_tid->tid);
-                } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) {
+                if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) {
                         rx_agg = (void *)&skb->cb;
                         mutex_lock(&local->sta_mtx);
                         sta = sta_info_get_bss(sdata, rx_agg->addr);
@@ -1825,6 +1816,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
                 ret = dev_alloc_name(ndev, ndev->name);
                 if (ret < 0) {
                         ieee80211_if_free(ndev);
+                        free_netdev(ndev);
                         return ret;
                 }
 
@@ -1914,7 +1906,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
                 ret = register_netdevice(ndev);
                 if (ret) {
-                        ieee80211_if_free(ndev);
+                        free_netdev(ndev);
                         return ret;
                 }
         }
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0ea9712bd99e..cc8e6ea1b27e 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -601,7 +601,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
         struct ieee80211_supported_band *sband;
         struct ieee80211_chanctx_conf *chanctx_conf;
         struct ieee80211_channel *chan;
-        u32 rate_flags, rates = 0;
+        u32 rates = 0;
 
         sdata_assert_lock(sdata);
 
@@ -612,7 +612,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
                 return;
         }
         chan = chanctx_conf->def.chan;
-        rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);
         rcu_read_unlock();
         sband = local->hw.wiphy->bands[chan->band];
         shift = ieee80211_vif_get_shift(&sdata->vif);
@@ -636,9 +635,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
                  */
                 rates_len = 0;
                 for (i = 0; i < sband->n_bitrates; i++) {
-                        if ((rate_flags & sband->bitrates[i].flags)
-                            != rate_flags)
-                                continue;
                         rates |= BIT(i);
                         rates_len++;
                 }
@@ -2818,7 +2814,7 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
                                 u32 *rates, u32 *basic_rates,
                                 bool *have_higher_than_11mbit,
                                 int *min_rate, int *min_rate_index,
-                                int shift, u32 rate_flags)
+                                int shift)
 {
         int i, j;
 
@@ -2846,8 +2842,6 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
                         int brate;
 
                         br = &sband->bitrates[j];
-                        if ((rate_flags & br->flags) != rate_flags)
-                                continue;
 
                         brate = DIV_ROUND_UP(br->bitrate, (1 << shift) * 5);
                         if (brate == rate) {
@@ -4398,40 +4392,32 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
                         return -ENOMEM;
         }
 
-        if (new_sta || override) {
-                err = ieee80211_prep_channel(sdata, cbss);
-                if (err) {
-                        if (new_sta)
-                                sta_info_free(local, new_sta);
-                        return -EINVAL;
-                }
-        }
-
+        /*
+         * Set up the information for the new channel before setting the
+         * new channel. We can't - completely race-free - change the basic
+         * rates bitmap and the channel (sband) that it refers to, but if
+         * we set it up before we at least avoid calling into the driver's
+         * bss_info_changed() method with invalid information (since we do
+         * call that from changing the channel - only for IDLE and perhaps
+         * some others, but ...).
+         *
+         * So to avoid that, just set up all the new information before the
+         * channel, but tell the driver to apply it only afterwards, since
+         * it might need the new channel for that.
+         */
         if (new_sta) {
                 u32 rates = 0, basic_rates = 0;
                 bool have_higher_than_11mbit;
                 int min_rate = INT_MAX, min_rate_index = -1;
-                struct ieee80211_chanctx_conf *chanctx_conf;
                 const struct cfg80211_bss_ies *ies;
                 int shift = ieee80211_vif_get_shift(&sdata->vif);
-                u32 rate_flags;
-
-                rcu_read_lock();
-                chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
-                if (WARN_ON(!chanctx_conf)) {
-                        rcu_read_unlock();
-                        sta_info_free(local, new_sta);
-                        return -EINVAL;
-                }
-                rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);
-                rcu_read_unlock();
 
                 ieee80211_get_rates(sband, bss->supp_rates,
                                     bss->supp_rates_len,
                                     &rates, &basic_rates,
                                     &have_higher_than_11mbit,
                                     &min_rate, &min_rate_index,
-                                    shift, rate_flags);
+                                    shift);
 
                 /*
                  * This used to be a workaround for basic rates missing
@@ -4489,8 +4475,22 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
                         sdata->vif.bss_conf.sync_dtim_count = 0;
                 }
                 rcu_read_unlock();
+        }
 
-                /* tell driver about BSSID, basic rates and timing */
+        if (new_sta || override) {
+                err = ieee80211_prep_channel(sdata, cbss);
+                if (err) {
+                        if (new_sta)
+                                sta_info_free(local, new_sta);
+                        return -EINVAL;
+                }
+        }
+
+        if (new_sta) {
+                /*
+                 * tell driver about BSSID, basic rates and timing
+                 * this was set up above, before setting the channel
+                 */
                 ieee80211_bss_info_change_notify(sdata,
                         BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
                         BSS_CHANGED_BEACON_INT);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1f75280ba26c..3674fe3d67dc 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1613,12 +1613,16 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
          */
         if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) &&
             !ieee80211_has_morefrags(hdr->frame_control) &&
+            !ieee80211_is_back_req(hdr->frame_control) &&
             !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) &&
             (rx->sdata->vif.type == NL80211_IFTYPE_AP ||
              rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
-            /* PM bit is only checked in frames where it isn't reserved,
+            /*
+             * PM bit is only checked in frames where it isn't reserved,
              * in AP mode it's reserved in non-bufferable management frames
              * (cf. IEEE 802.11-2012 8.2.4.1.7 Power Management field)
+             * BAR frames should be ignored as specified in
+             * IEEE 802.11-2012 10.2.1.2.
              */
             (!ieee80211_is_mgmt(hdr->frame_control) ||
              ieee80211_is_bufferable_mmpdu(hdr->frame_control))) {
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 7cdf7a835bb0..403e3cc58b57 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2155,7 +2155,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
                         struct ieee80211_sta_rx_stats *cpurxs;
 
                         cpurxs = per_cpu_ptr(sta->pcpu_rx_stats, cpu);
-                        sinfo->rx_packets += cpurxs->dropped;
+                        sinfo->rx_dropped_misc += cpurxs->dropped;
                 }
         }
 
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 5609cacb20d5..ea0747d6a6da 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -116,6 +116,8 @@ enum ieee80211_sta_info_flags {
 #define HT_AGG_STATE_STOPPING           3
 #define HT_AGG_STATE_WANT_START         4
 #define HT_AGG_STATE_WANT_STOP          5
+#define HT_AGG_STATE_START_CB           6
+#define HT_AGG_STATE_STOP_CB            7
 
 enum ieee80211_agg_stop_reason {
         AGG_STOP_DECLINED,
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index c1ef22df865f..cc19614ff4e6 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -17,6 +17,7 @@
 #include <asm/unaligned.h>
 #include <net/mac80211.h>
 #include <crypto/aes.h>
+#include <crypto/algapi.h>
 
 #include "ieee80211_i.h"
 #include "michael.h"
@@ -153,7 +154,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
         data_len = skb->len - hdrlen - MICHAEL_MIC_LEN;
         key = &rx->key->conf.key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY];
         michael_mic(key, hdr, data, data_len, mic);
-        if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0)
+        if (crypto_memneq(mic, data + data_len, MICHAEL_MIC_LEN))
                 goto mic_fail;
 
         /* remove Michael MIC from payload */
@@ -1048,7 +1049,7 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx)
                 bip_aad(skb, aad);
                 ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad,
                                    skb->data + 24, skb->len - 24, mic);
-                if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
+                if (crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                         key->u.aes_cmac.icverrors++;
                         return RX_DROP_UNUSABLE;
                 }
@@ -1098,7 +1099,7 @@ ieee80211_crypto_aes_cmac_256_decrypt(struct ieee80211_rx_data *rx)
                 bip_aad(skb, aad);
                 ieee80211_aes_cmac_256(key->u.aes_cmac.tfm, aad,
                                        skb->data + 24, skb->len - 24, mic);
-                if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
+                if (crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                         key->u.aes_cmac.icverrors++;
                         return RX_DROP_UNUSABLE;
                 }
@@ -1202,7 +1203,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx)
                 if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce,
                                        skb->data + 24, skb->len - 24,
                                        mic) < 0 ||
-                    memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) {
+                    crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) {
                         key->u.aes_gmac.icverrors++;
                         return RX_DROP_UNUSABLE;
                 }
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
index 06019dba4b10..bd88a9b80773 100644
--- a/net/mac802154/iface.c
+++ b/net/mac802154/iface.c
@@ -526,8 +526,6 @@ static void mac802154_wpan_free(struct net_device *dev)
         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 
         mac802154_llsec_destroy(&sdata->sec);
-
-        free_netdev(dev);
 }
 
 static void ieee802154_if_setup(struct net_device *dev)
@@ -593,7 +591,8 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata,
                                         sdata->dev->dev_addr);
 
                 sdata->dev->header_ops = &mac802154_header_ops;
-                sdata->dev->destructor = mac802154_wpan_free;
+                sdata->dev->needs_free_netdev = true;
+                sdata->dev->priv_destructor = mac802154_wpan_free;
                 sdata->dev->netdev_ops = &mac802154_wpan_ops;
                 sdata->dev->ml_priv = &mac802154_mlme_wpan;
                 wpan_dev->promiscuous_mode = false;
@@ -608,7 +607,7 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata,
 
                 break;
         case NL802154_IFTYPE_MONITOR:
-                sdata->dev->destructor = free_netdev;
+                sdata->dev->needs_free_netdev = true;
                 sdata->dev->netdev_ops = &mac802154_monitor_ops;
                 wpan_dev->promiscuous_mode = true;
                 break;
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 257ec66009da..7b05fd1497ce 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1418,7 +1418,7 @@ static void mpls_ifup(struct net_device *dev, unsigned int flags)
                                 continue;
                         alive++;
                         nh_flags &= ~flags;
-                        WRITE_ONCE(nh->nh_flags, flags);
+                        WRITE_ONCE(nh->nh_flags, nh_flags);
                 } endfor_nexthops(rt);
 
                 WRITE_ONCE(rt->rt_nhn_alive, alive);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 9799a50bc604..a8be9b72e6cd 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -890,8 +890,13 @@ restart:
         }
 out:
         local_bh_enable();
-        if (last)
+        if (last) {
+                /* nf ct hash resize happened, now clear the leftover. */
+                if ((struct nf_conn *)cb->args[1] == last)
+                        cb->args[1] = 0;
+
                 nf_ct_put(last);
+        }
 
         while (i) {
                 i--;
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 13875d599a85..1c5b14a6cab3 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -512,16 +512,19 @@ static int sctp_error(struct net *net, struct nf_conn *tpl, struct sk_buff *skb,
                       u8 pf, unsigned int hooknum)
 {
         const struct sctphdr *sh;
-        struct sctphdr _sctph;
         const char *logmsg;
 
-        sh = skb_header_pointer(skb, dataoff, sizeof(_sctph), &_sctph);
-        if (!sh) {
+        if (skb->len < dataoff + sizeof(struct sctphdr)) {
                 logmsg = "nf_ct_sctp: short packet ";
                 goto out_invalid;
         }
         if (net->ct.sysctl_checksum && hooknum == NF_INET_PRE_ROUTING &&
             skb->ip_summed == CHECKSUM_NONE) {
+                if (!skb_make_writable(skb, dataoff + sizeof(struct sctphdr))) {
+                        logmsg = "nf_ct_sctp: failed to read header ";
+                        goto out_invalid;
+                }
+                sh = (const struct sctphdr *)(skb->data + dataoff);
                 if (sh->checksum != sctp_compute_cksum(skb, dataoff)) {
                         logmsg = "nf_ct_sctp: bad CRC ";
                         goto out_invalid;
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index ef0be325a0c6..6c72922d20ca 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -566,7 +566,7 @@ static int nf_nat_proto_clean(struct nf_conn *ct, void *data)
          * Else, when the conntrack is destoyed, nf_nat_cleanup_conntrack()
          * will delete entry from already-freed table.
          */
-        ct->status &= ~IPS_NAT_DONE_MASK;
+        clear_bit(IPS_SRC_NAT_DONE_BIT, &ct->status);
         rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource,
                         nf_nat_bysource_params);
 
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index e97e2fb53f0a..fbdbaa00dd5f 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -116,17 +116,17 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
                 else if (d > 0)
                         p = &parent->rb_right;
                 else {
-                        if (nft_set_elem_active(&rbe->ext, genmask)) {
-                                if (nft_rbtree_interval_end(rbe) &&
-                                    !nft_rbtree_interval_end(new))
-                                        p = &parent->rb_left;
-                                else if (!nft_rbtree_interval_end(rbe) &&
-                                         nft_rbtree_interval_end(new))
-                                        p = &parent->rb_right;
-                                else {
-                                        *ext = &rbe->ext;
-                                        return -EEXIST;
-                                }
+                        if (nft_rbtree_interval_end(rbe) &&
+                            !nft_rbtree_interval_end(new)) {
+                                p = &parent->rb_left;
+                        } else if (!nft_rbtree_interval_end(rbe) &&
+                                   nft_rbtree_interval_end(new)) {
+                                p = &parent->rb_right;
+                        } else if (nft_set_elem_active(&rbe->ext, genmask)) {
+                                *ext = &rbe->ext;
+                                return -EEXIST;
+                        } else {
+                                p = &parent->rb_left;
                         }
                 }
         }
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ee841f00a6ec..7586d446d7dc 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -62,6 +62,7 @@
 #include <asm/cacheflush.h>
 #include <linux/hash.h>
 #include <linux/genetlink.h>
+#include <linux/net_namespace.h>
 
 #include <net/net_namespace.h>
 #include <net/sock.h>
@@ -1415,7 +1416,8 @@ static void do_one_broadcast(struct sock *sk,
                 goto out;
         }
         NETLINK_CB(p->skb2).nsid = peernet2id(sock_net(sk), p->net);
-        NETLINK_CB(p->skb2).nsid_is_set = true;
+        if (NETLINK_CB(p->skb2).nsid != NETNSA_NSID_NOT_ASSIGNED)
+                NETLINK_CB(p->skb2).nsid_is_set = true;
         val = netlink_broadcast_deliver(sk, p->skb2);
         if (val < 0) {
                 netlink_overrun(sk);
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index 89193a634da4..04a3128adcf0 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -94,7 +94,6 @@ static void internal_dev_destructor(struct net_device *dev)
         struct vport *vport = ovs_internal_dev_get_vport(dev);
 
         ovs_vport_free(vport);
-        free_netdev(dev);
 }
 
 static void
@@ -156,7 +155,8 @@ static void do_setup(struct net_device *netdev)
         netdev->priv_flags &= ~IFF_TX_SKB_SHARING;
         netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH |
                               IFF_PHONY_HEADROOM | IFF_NO_QUEUE;
-        netdev->destructor = internal_dev_destructor;
+        netdev->needs_free_netdev = true;
+        netdev->priv_destructor = internal_dev_destructor;
         netdev->ethtool_ops = &internal_dev_ethtool_ops;
         netdev->rtnl_link_ops = &internal_dev_link_ops;
 
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 21c28b51be94..2c9337946e30 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -236,7 +236,7 @@ static void gprs_setup(struct net_device *dev)
         dev->tx_queue_len       = 10;
 
         dev->netdev_ops         = &gprs_netdev_ops;
-        dev->destructor         = free_netdev;
+        dev->needs_free_netdev  = true;
 }
 
 /*
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 0a4e28477ad9..54369225766e 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -217,7 +217,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ,
                                        unsigned int *_toklen)
 {
         const __be32 *xdr = *_xdr;
-        unsigned int toklen = *_toklen, n_parts, loop, tmp;
+        unsigned int toklen = *_toklen, n_parts, loop, tmp, paddedlen;
 
         /* there must be at least one name, and at least #names+1 length
          * words */
@@ -247,16 +247,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ,
                 toklen -= 4;
                 if (tmp <= 0 || tmp > AFSTOKEN_STRING_MAX)
                         return -EINVAL;
-                if (tmp > toklen)
+                paddedlen = (tmp + 3) & ~3;
+                if (paddedlen > toklen)
                         return -EINVAL;
                 princ->name_parts[loop] = kmalloc(tmp + 1, GFP_KERNEL);
                 if (!princ->name_parts[loop])
                         return -ENOMEM;
                 memcpy(princ->name_parts[loop], xdr, tmp);
                 princ->name_parts[loop][tmp] = 0;
-                tmp = (tmp + 3) & ~3;
-                toklen -= tmp;
-                xdr += tmp >> 2;
+                toklen -= paddedlen;
+                xdr += paddedlen >> 2;
         }
 
         if (toklen < 4)
@@ -265,16 +265,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ,
         toklen -= 4;
         if (tmp <= 0 || tmp > AFSTOKEN_K5_REALM_MAX)
                 return -EINVAL;
-        if (tmp > toklen)
+        paddedlen = (tmp + 3) & ~3;
+        if (paddedlen > toklen)
                 return -EINVAL;
         princ->realm = kmalloc(tmp + 1, GFP_KERNEL);
         if (!princ->realm)
                 return -ENOMEM;
         memcpy(princ->realm, xdr, tmp);
         princ->realm[tmp] = 0;
-        tmp = (tmp + 3) & ~3;
-        toklen -= tmp;
-        xdr += tmp >> 2;
+        toklen -= paddedlen;
+        xdr += paddedlen >> 2;
 
         _debug("%s/...@%s", princ->name_parts[0], princ->realm);
 
@@ -293,7 +293,7 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td,
                                          unsigned int *_toklen)
 {
         const __be32 *xdr = *_xdr;
-        unsigned int toklen = *_toklen, len;
+        unsigned int toklen = *_toklen, len, paddedlen;
 
         /* there must be at least one tag and one length word */
         if (toklen <= 8)
@@ -307,15 +307,17 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td,
         toklen -= 8;
         if (len > max_data_size)
                 return -EINVAL;
+        paddedlen = (len + 3) & ~3;
+        if (paddedlen > toklen)
+                return -EINVAL;
         td->data_len = len;
 
         if (len > 0) {
                 td->data = kmemdup(xdr, len, GFP_KERNEL);
                 if (!td->data)
                         return -ENOMEM;
-                len = (len + 3) & ~3;
-                toklen -= len;
-                xdr += len >> 2;
+                toklen -= paddedlen;
+                xdr += paddedlen >> 2;
         }
 
         _debug("tag %x len %x", td->tag, td->data_len);
@@ -387,7 +389,7 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen,
                                     const __be32 **_xdr, unsigned int *_toklen)
 {
         const __be32 *xdr = *_xdr;
-        unsigned int toklen = *_toklen, len;
+        unsigned int toklen = *_toklen, len, paddedlen;
 
         /* there must be at least one length word */
         if (toklen <= 4)
@@ -399,6 +401,9 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen,
         toklen -= 4;
         if (len > AFSTOKEN_K5_TIX_MAX)
                 return -EINVAL;
+        paddedlen = (len + 3) & ~3;
+        if (paddedlen > toklen)
+                return -EINVAL;
         *_tktlen = len;
 
         _debug("ticket len %u", len);
@@ -407,9 +412,8 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen,
                 *_ticket = kmemdup(xdr, len, GFP_KERNEL);
                 if (!*_ticket)
                         return -ENOMEM;
-                len = (len + 3) & ~3;
-                toklen -= len;
-                xdr += len >> 2;
+                toklen -= paddedlen;
+                xdr += paddedlen >> 2;
         }
 
         *_xdr = xdr;
@@ -552,7 +556,7 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep)
 {
         const __be32 *xdr = prep->data, *token;
         const char *cp;
-        unsigned int len, tmp, loop, ntoken, toklen, sec_ix;
+        unsigned int len, paddedlen, loop, ntoken, toklen, sec_ix;
         size_t datalen = prep->datalen;
         int ret;
 
@@ -578,22 +582,21 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep)
         if (len < 1 || len > AFSTOKEN_CELL_MAX)
                 goto not_xdr;
         datalen -= 4;
-        tmp = (len + 3) & ~3;
-        if (tmp > datalen)
+        paddedlen = (len + 3) & ~3;
+        if (paddedlen > datalen)
                 goto not_xdr;
 
         cp = (const char *) xdr;
         for (loop = 0; loop < len; loop++)
                 if (!isprint(cp[loop]))
                         goto not_xdr;
-        if (len < tmp)
-                for (; loop < tmp; loop++)
-                        if (cp[loop])
-                                goto not_xdr;
+        for (; loop < paddedlen; loop++)
+                if (cp[loop])
+                        goto not_xdr;
         _debug("cellname: [%u/%u] '%*.*s'",
-               len, tmp, len, len, (const char *) xdr);
-        datalen -= tmp;
-        xdr += tmp >> 2;
+               len, paddedlen, len, len, (const char *) xdr);
+        datalen -= paddedlen;
+        xdr += paddedlen >> 2;
 
         /* get the token count */
         if (datalen < 12)
@@ -614,10 +617,11 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep)
                 sec_ix = ntohl(*xdr);
                 datalen -= 4;
                 _debug("token: [%x/%zx] %x", toklen, datalen, sec_ix);
-                if (toklen < 20 || toklen > datalen)
+                paddedlen = (toklen + 3) & ~3;
+                if (toklen < 20 || toklen > datalen || paddedlen > datalen)
                         goto not_xdr;
-                datalen -= (toklen + 3) & ~3;
-                xdr += (toklen + 3) >> 2;
+                datalen -= paddedlen;
+                xdr += paddedlen >> 2;
 
         } while (--loop > 0);
 
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 164b5ac094be..7dc5892671c8 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -94,8 +94,10 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla,
                 k++;
         }
 
-        if (n)
+        if (n) {
+                err = -EINVAL;
                 goto err_out;
+        }
 
         return keys_ex;
 
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index f42008b29311..b062bc80c7cb 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -132,21 +132,21 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla,
                 }
         }
 
-        spin_lock_bh(&police->tcf_lock);
         if (est) {
                 err = gen_replace_estimator(&police->tcf_bstats, NULL,
                                             &police->tcf_rate_est,
                                             &police->tcf_lock,
                                             NULL, est);
                 if (err)
-                        goto failure_unlock;
+                        goto failure;
         } else if (tb[TCA_POLICE_AVRATE] &&
                    (ret == ACT_P_CREATED ||
                     !gen_estimator_active(&police->tcf_rate_est))) {
                 err = -EINVAL;
-                goto failure_unlock;
+                goto failure;
         }
 
+        spin_lock_bh(&police->tcf_lock);
         /* No failure allowed after this point */
         police->tcfp_mtu = parm->mtu;
         if (police->tcfp_mtu == 0) {
@@ -192,8 +192,6 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla,
 
         return ret;
 
-failure_unlock:
-        spin_unlock_bh(&police->tcf_lock);
 failure:
         qdisc_put_rtab(P_tab);
         qdisc_put_rtab(R_tab);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e88342fde1bc..cfdbfa18a95e 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1019,7 +1019,8 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
                 return sch;
         }
         /* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */
-        ops->destroy(sch);
+        if (ops->destroy)
+                ops->destroy(sch);
 err_out3:
         dev_put(dev);
         kfree((char *) sch - sch->padded);
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 8c589230794f..3dcd0ecf3d99 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -275,6 +275,7 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
                 if (sctp_sk(sk)->bind_hash)
                         sctp_put_port(sk);
 
+                sctp_sk(sk)->ep = NULL;
                 sock_put(sk);
         }
 
diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c
index 048954eee984..9a647214a91e 100644
--- a/net/sctp/sctp_diag.c
+++ b/net/sctp/sctp_diag.c
@@ -278,7 +278,6 @@ out:
 
 static int sctp_sock_dump(struct sock *sk, void *p)
 {
-        struct sctp_endpoint *ep = sctp_sk(sk)->ep;
         struct sctp_comm_param *commp = p;
         struct sk_buff *skb = commp->skb;
         struct netlink_callback *cb = commp->cb;
@@ -287,7 +286,9 @@ static int sctp_sock_dump(struct sock *sk, void *p)
         int err = 0;
 
         lock_sock(sk);
-        list_for_each_entry(assoc, &ep->asocs, asocs) {
+        if (!sctp_sk(sk)->ep)
+                goto release;
+        list_for_each_entry(assoc, &sctp_sk(sk)->ep->asocs, asocs) {
                 if (cb->args[4] < cb->args[1])
                         goto next;
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f16c8d97b7f3..3a8318e518f1 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4622,13 +4622,13 @@ int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *),
 
         for (head = sctp_ep_hashtable; hash < sctp_ep_hashsize;
              hash++, head++) {
-                read_lock(&head->lock);
+                read_lock_bh(&head->lock);
                 sctp_for_each_hentry(epb, &head->chain) {
                         err = cb(sctp_ep(epb), p);
                         if (err)
                                 break;
                 }
-                read_unlock(&head->lock);
+                read_unlock_bh(&head->lock);
         }
 
         return err;
@@ -4666,9 +4666,8 @@ int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *),
         if (err)
                 return err;
 
-        sctp_transport_get_idx(net, &hti, pos);
-        obj = sctp_transport_get_next(net, &hti);
-        for (; obj && !IS_ERR(obj); obj = sctp_transport_get_next(net, &hti)) {
+        obj = sctp_transport_get_idx(net, &hti, pos + 1);
+        for (; !IS_ERR_OR_NULL(obj); obj = sctp_transport_get_next(net, &hti)) {
                 struct sctp_transport *transport = obj;
 
                 if (!sctp_transport_hold(transport))
diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c
index 24fedd4b117e..03f6b5840764 100644
--- a/net/sunrpc/xprtrdma/backchannel.c
+++ b/net/sunrpc/xprtrdma/backchannel.c
@@ -119,11 +119,9 @@ int xprt_rdma_bc_setup(struct rpc_xprt *xprt, unsigned int reqs)
 
         for (i = 0; i < (reqs << 1); i++) {
                 rqst = kzalloc(sizeof(*rqst), GFP_KERNEL);
-                if (!rqst) {
-                        pr_err("RPC:       %s: Failed to create bc rpc_rqst\n",
-                               __func__);
+                if (!rqst)
                         goto out_free;
-                }
+
                 dprintk("RPC:       %s: new rqst %p\n", __func__, rqst);
 
                 rqst->rq_xprt = &r_xprt->rx_xprt;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 16aff8ddc16f..d5b54c020dec 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2432,7 +2432,12 @@ static void xs_tcp_setup_socket(struct work_struct *work)
         case -ENETUNREACH:
         case -EADDRINUSE:
         case -ENOBUFS:
-                /* retry with existing socket, after a delay */
+                /*
+                 * xs_tcp_force_close() wakes tasks with -EIO.
+                 * We need to wake them first to ensure the
+                 * correct error code.
+                 */
+                xprt_wake_pending_tasks(xprt, status);
                 xs_tcp_force_close(xprt);
                 goto out;
         }
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 312ef7de57d7..ab3087687a32 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -508,7 +508,7 @@ bool tipc_msg_reverse(u32 own_node,  struct sk_buff **skb, int err)
         }
 
         if (skb_cloned(_skb) &&
-            pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_KERNEL))
+            pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_ATOMIC))
                 goto exit;
 
         /* Now reverse the concerned fields */
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 6a7fe7660551..1a0c961f4ffe 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -999,7 +999,8 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         struct path path = { };
 
         err = -EINVAL;
-        if (sunaddr->sun_family != AF_UNIX)
+        if (addr_len < offsetofend(struct sockaddr_un, sun_family) ||
+            sunaddr->sun_family != AF_UNIX)
                 goto out;
 
         if (addr_len == sizeof(short)) {
@@ -1110,6 +1111,10 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr,
         unsigned int hash;
         int err;
 
+        err = -EINVAL;
+        if (alen < offsetofend(struct sockaddr, sa_family))
+                goto out;
+
         if (addr->sa_family != AF_UNSPEC) {
                 err = unix_mkname(sunaddr, alen, &hash);
                 if (err < 0)
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 1a4db6790e20..6cdb054484d6 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -914,13 +914,12 @@ int call_commit_handler(struct net_device *dev)
  * Main IOCTl dispatcher.
  * Check the type of IOCTL and call the appropriate wrapper...
  */
-static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
+static int wireless_process_ioctl(struct net *net, struct iwreq *iwr,
                                   unsigned int cmd,
                                   struct iw_request_info *info,
                                   wext_ioctl_func standard,
                                   wext_ioctl_func private)
 {
-        struct iwreq *iwr = (struct iwreq *) ifr;
         struct net_device *dev;
         iw_handler      handler;
 
@@ -928,7 +927,7 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
          * The copy_to/from_user() of ifr is also dealt with in there */
 
         /* Make sure the device exist */
-        if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL)
+        if ((dev = __dev_get_by_name(net, iwr->ifr_name)) == NULL)
                 return -ENODEV;
 
         /* A bunch of special cases, then the generic case...
@@ -957,9 +956,6 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr,
                 else if (private)
                         return private(dev, iwr, cmd, info, handler);
         }
-        /* Old driver API : call driver ioctl handler */
-        if (dev->netdev_ops->ndo_do_ioctl)
-                return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd);
         return -EOPNOTSUPP;
 }
 
@@ -977,7 +973,7 @@ static int wext_permission_check(unsigned int cmd)
 }
 
 /* entry point from dev ioctl */
-static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr,
+static int wext_ioctl_dispatch(struct net *net, struct iwreq *iwr,
                                unsigned int cmd, struct iw_request_info *info,
                                wext_ioctl_func standard,
                                wext_ioctl_func private)
@@ -987,9 +983,9 @@ static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr,
         if (ret)
                 return ret;
 
-        dev_load(net, ifr->ifr_name);
+        dev_load(net, iwr->ifr_name);
         rtnl_lock();
-        ret = wireless_process_ioctl(net, ifr, cmd, info, standard, private);
+        ret = wireless_process_ioctl(net, iwr, cmd, info, standard, private);
         rtnl_unlock();
 
         return ret;
@@ -1039,18 +1035,18 @@ static int ioctl_standard_call(struct net_device *	dev,
 }
 
 
-int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
+int wext_handle_ioctl(struct net *net, struct iwreq *iwr, unsigned int cmd,
                       void __user *arg)
 {
         struct iw_request_info info = { .cmd = cmd, .flags = 0 };
         int ret;
 
-        ret = wext_ioctl_dispatch(net, ifr, cmd, &info,
+        ret = wext_ioctl_dispatch(net, iwr, cmd, &info,
                                   ioctl_standard_call,
                                   ioctl_private_call);
         if (ret >= 0 &&
             IW_IS_GET(cmd) &&
-            copy_to_user(arg, ifr, sizeof(struct iwreq)))
+            copy_to_user(arg, iwr, sizeof(struct iwreq)))
                 return -EFAULT;
 
         return ret;
@@ -1107,7 +1103,7 @@ int compat_wext_handle_ioctl(struct net *net, unsigned int cmd,
         info.cmd = cmd;
         info.flags = IW_REQUEST_FLAG_COMPAT;
 
-        ret = wext_ioctl_dispatch(net, (struct ifreq *) &iwr, cmd, &info,
+        ret = wext_ioctl_dispatch(net, &iwr, cmd, &info,
                                   compat_standard_call,
                                   compat_private_call);
 
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index abf81b329dc1..55b2ac300995 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -4,8 +4,7 @@
 
 obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
                       xfrm_input.o xfrm_output.o \
-                      xfrm_sysctl.o xfrm_replay.o
-obj-$(CONFIG_XFRM_OFFLOAD) += xfrm_device.o
+                      xfrm_sysctl.o xfrm_replay.o xfrm_device.o
 obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o
 obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
 obj-$(CONFIG_XFRM_USER) += xfrm_user.o
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 574e6f32f94f..5aba03685d7d 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -22,6 +22,7 @@
 #include <net/xfrm.h>
 #include <linux/notifier.h>
 
+#ifdef CONFIG_XFRM_OFFLOAD
 int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features)
 {
         int err;
@@ -137,6 +138,7 @@ ok:
         return true;
 }
 EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok);
+#endif
 
 int xfrm_dev_register(struct net_device *dev)
 {
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ed4e52d95172..643a18f72032 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1006,10 +1006,6 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid)
                 err = -ESRCH;
 out:
         spin_unlock_bh(&net->xfrm.xfrm_policy_lock);
-
-        if (cnt)
-                xfrm_garbage_collect(net);
-
         return err;
 }
 EXPORT_SYMBOL(xfrm_policy_flush);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 38614df33ec8..86116e9aaf3d 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2027,6 +2027,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
                         return 0;
                 return err;
         }
+        xfrm_garbage_collect(net);
 
         c.data.type = type;
         c.event = nlh->nlmsg_type;