85 files changed, 451 insertions, 364 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index c7a581a96894..917ecb93ea28 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -205,7 +205,7 @@ int register_vlan_dev(struct net_device *dev)
        grp->nr_vlans++;
        if (ngrp) {
-                if (ops->ndo_vlan_rx_register)
+                if (ops->ndo_vlan_rx_register && (real_dev->features & NETIF_F_HW_VLAN_RX))
                        ops->ndo_vlan_rx_register(real_dev, ngrp);
                rcu_assign_pointer(real_dev->vlgrp, ngrp);
        }
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 41495dc2a4c9..fcc684678af6 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -23,6 +23,31 @@ bool vlan_do_receive(struct sk_buff **skbp)
                return false;
        skb->dev = vlan_dev;
+        if (skb->pkt_type == PACKET_OTHERHOST) {
+                /* Our lower layer thinks this is not local, let's make sure.
+                 * This allows the VLAN to have a different MAC than the
+                 * underlying device, and still route correctly. */
+                if (!compare_ether_addr(eth_hdr(skb)->h_dest,
+                                        vlan_dev->dev_addr))
+                        skb->pkt_type = PACKET_HOST;
+        }
+        if (!(vlan_dev_info(vlan_dev)->flags & VLAN_FLAG_REORDER_HDR)) {
+                unsigned int offset = skb->data - skb_mac_header(skb);
+                /*
+                 * vlan_insert_tag expect skb->data pointing to mac header.
+                 * So change skb->data before calling it and change back to
+                 * original position later
+                 */
+                skb_push(skb, offset);
+                skb = *skbp = vlan_insert_tag(skb, skb->vlan_tci);
+                if (!skb)
+                        return false;
+                skb_pull(skb, offset + VLAN_HLEN);
+                skb_reset_mac_len(skb);
+        }
        skb->priority = vlan_get_ingress_priority(vlan_dev, skb->vlan_tci);
        skb->vlan_tci = 0;
@@ -31,22 +56,8 @@ bool vlan_do_receive(struct sk_buff **skbp)
        u64_stats_update_begin(&rx_stats->syncp);
        rx_stats->rx_packets++;
        rx_stats->rx_bytes += skb->len;
+        if (skb->pkt_type == PACKET_MULTICAST)
-        switch (skb->pkt_type) {
-        case PACKET_BROADCAST:
-                break;
-        case PACKET_MULTICAST:
                rx_stats->rx_multicast++;
-                break;
-        case PACKET_OTHERHOST:
-                /* Our lower layer thinks this is not local, let's make sure.
-                 * This allows the VLAN to have a different MAC than the
-                 * underlying device, and still route correctly. */
-                if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-                                        vlan_dev->dev_addr))
-                        skb->pkt_type = PACKET_HOST;
-                break;
-        }
        u64_stats_update_end(&rx_stats->syncp);
        return true;
@@ -89,18 +100,13 @@ gro_result_t vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
 }
 EXPORT_SYMBOL(vlan_gro_frags);
-static struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb)
+static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
 {
-        if (vlan_dev_info(skb->dev)->flags & VLAN_FLAG_REORDER_HDR) {
+        if (skb_cow(skb, skb_headroom(skb)) < 0)
-                if (skb_cow(skb, skb_headroom(skb)) < 0)
+                return NULL;
-                        skb = NULL;
+        memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
-                if (skb) {
+        skb->mac_header += VLAN_HLEN;
-                        /* Lifted from Gleb's VLAN code... */
+        skb_reset_mac_len(skb);
-                        memmove(skb->data - ETH_HLEN,
-                                skb->data - VLAN_ETH_HLEN, 12);
-                        skb->mac_header += VLAN_HLEN;
-                }
-        }
        return skb;
 }
@@ -161,7 +167,7 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
        skb_pull_rcsum(skb, VLAN_HLEN);
        vlan_set_encap_proto(skb, vhdr);
-        skb = vlan_check_reorder_header(skb);
+        skb = vlan_reorder_header(skb);
        if (unlikely(!skb))
                goto err_free;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 7ea5cf9ea08a..86bff9b1ac47 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -586,9 +586,14 @@ static void vlan_dev_uninit(struct net_device *dev)
 static u32 vlan_dev_fix_features(struct net_device *dev, u32 features)
 {
        struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+        u32 old_features = features;
        features &= real_dev->features;
        features &= real_dev->vlan_features;
+        if (old_features & NETIF_F_SOFT_FEATURES)
+                features |= old_features & NETIF_F_SOFT_FEATURES;
        if (dev_ethtool_get_rx_csum(real_dev))
                features |= NETIF_F_RXCSUM;
        features |= NETIF_F_LLTX;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3163330cd4f1..d3a05b9ade7a 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -608,11 +608,11 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
                goto encrypt;
 auth:
-        if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
+        if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
                return 0;
-        hci_conn_auth(conn, sec_level, auth_type);
+        if (!hci_conn_auth(conn, sec_level, auth_type))
-        return 0;
+                return 0;
 encrypt:
        if (conn->link_mode & HCI_LM_ENCRYPT)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index f13ddbf858ba..77930aa522e3 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -477,14 +477,16 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
         * command otherwise */
        u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
-        /* Events for 1.2 and newer controllers */
+        /* CSR 1.1 dongles does not accept any bitfield so don't try to set
-        if (hdev->lmp_ver > 1) {
+         * any event mask for pre 1.2 devices */
-                events[4] |= 0x01; /* Flow Specification Complete */
+        if (hdev->lmp_ver <= 1)
-                events[4] |= 0x02; /* Inquiry Result with RSSI */
+                return;
-                events[4] |= 0x04; /* Read Remote Extended Features Complete */
-                events[5] |= 0x08; /* Synchronous Connection Complete */
+        events[4] |= 0x01; /* Flow Specification Complete */
-                events[5] |= 0x10; /* Synchronous Connection Changed */
+        events[4] |= 0x02; /* Inquiry Result with RSSI */
-        }
+        events[4] |= 0x04; /* Read Remote Extended Features Complete */
+        events[5] |= 0x08; /* Synchronous Connection Complete */
+        events[5] |= 0x10; /* Synchronous Connection Changed */
        if (hdev->features[3] & LMP_RSSI_INQ)
                events[4] |= 0x04; /* Inquiry Result with RSSI */
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index e64a1c2df238..56fdd9162da9 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -4002,21 +4002,30 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
                        }
                } else if (sk->sk_state == BT_CONNECT2) {
                        struct l2cap_conn_rsp rsp;
-                        __u16 result;
+                        __u16 res, stat;
                        if (!status) {
-                                sk->sk_state = BT_CONFIG;
+                                if (bt_sk(sk)->defer_setup) {
-                                result = L2CAP_CR_SUCCESS;
+                                        struct sock *parent = bt_sk(sk)->parent;
+                                        res = L2CAP_CR_PEND;
+                                        stat = L2CAP_CS_AUTHOR_PEND;
+                                        parent->sk_data_ready(parent, 0);
+                                } else {
+                                        sk->sk_state = BT_CONFIG;
+                                        res = L2CAP_CR_SUCCESS;
+                                        stat = L2CAP_CS_NO_INFO;
+                                }
                        } else {
                                sk->sk_state = BT_DISCONN;
                                l2cap_sock_set_timer(sk, HZ / 10);
-                                result = L2CAP_CR_SEC_BLOCK;
+                                res = L2CAP_CR_SEC_BLOCK;
+                                stat = L2CAP_CS_NO_INFO;
                        }
                        rsp.scid   = cpu_to_le16(chan->dcid);
                        rsp.dcid   = cpu_to_le16(chan->scid);
-                        rsp.result = cpu_to_le16(result);
+                        rsp.result = cpu_to_le16(res);
-                        rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
+                        rsp.status = cpu_to_le16(stat);
                        l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
                                                        sizeof(rsp), &rsp);
                }
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 18dc9888d8c2..8248303f44e8 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -413,6 +413,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
                        break;
                }
+                memset(&cinfo, 0, sizeof(cinfo));
                cinfo.hci_handle = chan->conn->hcon->handle;
                memcpy(cinfo.dev_class, chan->conn->hcon->dev_class, 3);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 386cfaffd4b7..1b10727ce523 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -788,6 +788,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
                l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk;
+                memset(&cinfo, 0, sizeof(cinfo));
                cinfo.hci_handle = conn->hcon->handle;
                memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 42fdffd1d76c..cb4fb7837e5c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -369,6 +369,15 @@ static void __sco_sock_close(struct sock *sk)
        case BT_CONNECTED:
        case BT_CONFIG:
+                if (sco_pi(sk)->conn) {
+                        sk->sk_state = BT_DISCONN;
+                        sco_sock_set_timer(sk, SCO_DISCONN_TIMEOUT);
+                        hci_conn_put(sco_pi(sk)->conn->hcon);
+                        sco_pi(sk)->conn->hcon = NULL;
+                } else
+                        sco_chan_del(sk, ECONNRESET);
+                break;
        case BT_CONNECT:
        case BT_DISCONN:
                sco_chan_del(sk, ECONNRESET);
@@ -819,7 +828,9 @@ static void sco_chan_del(struct sock *sk, int err)
                conn->sk = NULL;
                sco_pi(sk)->conn = NULL;
                sco_conn_unlock(conn);
-                hci_conn_put(conn->hcon);
+                if (conn->hcon)
+                        hci_conn_put(conn->hcon);
        }
        sk->sk_state = BT_CLOSED;
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index a6b2f86378c7..32b8f9f7f79e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
        skb_pull(skb, ETH_HLEN);
        rcu_read_lock();
-        if (is_multicast_ether_addr(dest)) {
+        if (is_broadcast_ether_addr(dest))
+                br_flood_deliver(br, skb);
+        else if (is_multicast_ether_addr(dest)) {
                if (unlikely(netpoll_tx_running(dev))) {
                        br_flood_deliver(br, skb);
                        goto out;
@@ -243,6 +245,7 @@ int br_netpoll_enable(struct net_bridge_port *p)
                goto out;
        np->dev = p->dev;
+        strlcpy(np->dev_name, p->dev->name, IFNAMSIZ);
        err = __netpoll_setup(np);
        if (err) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index f3ac1e858ee1..f06ee39c73fd 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -60,7 +60,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
        br = p->br;
        br_fdb_update(br, p, eth_hdr(skb)->h_source);
-        if (is_multicast_ether_addr(dest) &&
+        if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
            br_multicast_rcv(br, p, skb))
                goto drop;
@@ -77,7 +77,9 @@ int br_handle_frame_finish(struct sk_buff *skb)
        dst = NULL;
-        if (is_multicast_ether_addr(dest)) {
+        if (is_broadcast_ether_addr(dest))
+                skb2 = skb;
+        else if (is_multicast_ether_addr(dest)) {
                mdst = br_mdb_get(br, skb);
                if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
                        if ((mdst && mdst->mglist) ||
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2f14eafdeeab..2d85ca7111d3 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1379,8 +1379,11 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
        if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl)))
                return -EINVAL;
-        if (iph->protocol != IPPROTO_IGMP)
+        if (iph->protocol != IPPROTO_IGMP) {
+                if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP)
+                        BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                return 0;
+        }
        len = ntohs(iph->tot_len);
        if (skb->len < len || len < ip_hdrlen(skb))
@@ -1424,7 +1427,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
        switch (ih->type) {
        case IGMP_HOST_MEMBERSHIP_REPORT:
        case IGMPV2_HOST_MEMBERSHIP_REPORT:
-                BR_INPUT_SKB_CB(skb2)->mrouters_only = 1;
+                BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                err = br_ip4_multicast_add_group(br, port, ih->group);
                break;
        case IGMPV3_HOST_MEMBERSHIP_REPORT:
@@ -1543,7 +1546,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
                        goto out;
                }
                mld = (struct mld_msg *)skb_transport_header(skb2);
-                BR_INPUT_SKB_CB(skb2)->mrouters_only = 1;
+                BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                err = br_ip6_multicast_add_group(br, port, &mld->mld_mca);
                break;
            }
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 3fa123185e89..56149ec36d7f 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -104,10 +104,16 @@ static void fake_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
+static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old)
+{
+        return NULL;
+}
 static struct dst_ops fake_dst_ops = {
        .family =               AF_INET,
        .protocol =             cpu_to_be16(ETH_P_IP),
        .update_pmtu =          fake_update_pmtu,
+        .cow_metrics =          fake_cow_metrics,
 };
 /*
diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index 3a66b8c10e09..c23979e79dfa 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -255,7 +255,7 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
                if (cfsrvl_phyid_match(layer, phyid) && layer->ctrlcmd) {
-                        if ((ctrl == _CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND ||
+                        if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND ||
                                ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) &&
                                        layer->id != 0) {
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 6ea2b892f44b..7330c2757c0c 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -477,8 +477,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
        calc_layout(osdc, vino, layout, off, plen, req, ops);
        req->r_file_layout = *layout;  /* keep a copy */
-        /* in case it differs from natural alignment that calc_layout
+        /* in case it differs from natural (file) alignment that
-           filled in for us */
+           calc_layout filled in for us */
+        req->r_num_pages = calc_pages_for(page_align, *plen);
        req->r_page_alignment = page_align;
        ceph_osdc_build_request(req, off, plen, ops,
@@ -1144,6 +1145,13 @@ static void handle_osds_timeout(struct work_struct *work)
                              round_jiffies_relative(delay));
 }
+static void complete_request(struct ceph_osd_request *req)
+{
+        if (req->r_safe_callback)
+                req->r_safe_callback(req, NULL);
+        complete_all(&req->r_safe_completion);  /* fsync waiter */
+}
 /*
 * handle osd op reply.  either call the callback if it is specified,
 * or do the completion to wake up the waiting thread.
@@ -1226,11 +1234,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
        else
                complete_all(&req->r_completion);
-        if (flags & CEPH_OSD_FLAG_ONDISK) {
+        if (flags & CEPH_OSD_FLAG_ONDISK)
-                if (req->r_safe_callback)
+                complete_request(req);
-                        req->r_safe_callback(req, msg);
-                complete_all(&req->r_safe_completion);  /* fsync waiter */
-        }
 done:
        dout("req=%p req->r_linger=%d\n", req, req->r_linger);
@@ -1732,6 +1737,7 @@ int ceph_osdc_wait_request(struct ceph_osd_client *osdc,
                __cancel_request(req);
                __unregister_request(osdc, req);
                mutex_unlock(&osdc->request_mutex);
+                complete_request(req);
                dout("wait_request tid %llu canceled/timed out\n", req->r_tid);
                return rc;
        }
@@ -2022,8 +2028,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
                int want = calc_pages_for(req->r_page_alignment, data_len);
                if (unlikely(req->r_num_pages < want)) {
-                        pr_warning("tid %lld reply %d > expected %d pages\n",
+                        pr_warning("tid %lld reply has %d bytes %d pages, we"
-                                   tid, want, m->nr_pages);
+                                   " had only %d pages ready\n", tid, data_len,
+                                   want, req->r_num_pages);
                        *skip = 1;
                        ceph_msg_put(m);
                        m = NULL;
diff --git a/net/core/dev.c b/net/core/dev.c
index 939307891e71..9c58c1ec41a9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3114,7 +3114,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
        skb_reset_network_header(skb);
        skb_reset_transport_header(skb);
-        skb->mac_len = skb->network_header - skb->mac_header;
+        skb_reset_mac_len(skb);
        pt_prev = NULL;
@@ -6178,6 +6178,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
                oldsd->output_queue = NULL;
                oldsd->output_queue_tailp = &oldsd->output_queue;
        }
+        /* Append NAPI poll list from offline CPU. */
+        if (!list_empty(&oldsd->poll_list)) {
+                list_splice_init(&oldsd->poll_list, &sd->poll_list);
+                raise_softirq_irqoff(NET_RX_SOFTIRQ);
+        }
        raise_softirq_irqoff(NET_TX_SOFTIRQ);
        local_irq_enable();
@@ -6264,29 +6269,23 @@ err_name:
 /**
 *      netdev_drivername - network driver for the device
 *      @dev: network device
- *      @buffer: buffer for resulting name
- *      @len: size of buffer
 *
 *      Determine network driver for device.
 */
-char *netdev_drivername(const struct net_device *dev, char *buffer, int len)
+const char *netdev_drivername(const struct net_device *dev)
 {
        const struct device_driver *driver;
        const struct device *parent;
+        const char *empty = "";
-        if (len <= 0 || !buffer)
-                return buffer;
-        buffer[0] = 0;
        parent = dev->dev.parent;
        if (!parent)
-                return buffer;
+                return empty;
        driver = parent->driver;
        if (driver && driver->name)
-                strlcpy(buffer, driver->name, len);
+                return driver->name;
-        return buffer;
+        return empty;
 }
 static int __netdev_printk(const char *level, const struct net_device *dev,
diff --git a/net/core/dst.c b/net/core/dst.c
index 9ccca038444f..6135f3671692 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -190,7 +190,8 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
        dst->lastuse = jiffies;
        dst->flags = flags;
        dst->next = NULL;
-        dst_entries_add(ops, 1);
+        if (!(flags & DST_NOCOUNT))
+                dst_entries_add(ops, 1);
        return dst;
 }
 EXPORT_SYMBOL(dst_alloc);
@@ -243,7 +244,8 @@ again:
                neigh_release(neigh);
        }
-        dst_entries_add(dst->ops, -1);
+        if (!(dst->flags & DST_NOCOUNT))
+                dst_entries_add(dst->ops, -1);
        if (dst->ops->destroy)
                dst->ops->destroy(dst);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 11b98bc2aa8f..33d2a1fba131 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1179,9 +1179,14 @@ static void remove_queue_kobjects(struct net_device *net)
 #endif
 }
-static const void *net_current_ns(void)
+static void *net_grab_current_ns(void)
 {
-        return current->nsproxy->net_ns;
+        struct net *ns = current->nsproxy->net_ns;
+#ifdef CONFIG_NET_NS
+        if (ns)
+                atomic_inc(&ns->passive);
+#endif
+        return ns;
 }
 static const void *net_initial_ns(void)
@@ -1196,22 +1201,13 @@ static const void *net_netlink_ns(struct sock *sk)
 struct kobj_ns_type_operations net_ns_type_operations = {
        .type = KOBJ_NS_TYPE_NET,
-        .current_ns = net_current_ns,
+        .grab_current_ns = net_grab_current_ns,
        .netlink_ns = net_netlink_ns,
        .initial_ns = net_initial_ns,
+        .drop_ns = net_drop_ns,
 };
 EXPORT_SYMBOL_GPL(net_ns_type_operations);
-static void net_kobj_ns_exit(struct net *net)
-{
-        kobj_ns_exit(KOBJ_NS_TYPE_NET, net);
-}
-static struct pernet_operations kobj_net_ops = {
-        .exit = net_kobj_ns_exit,
-};
 #ifdef CONFIG_HOTPLUG
 static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
 {
@@ -1339,6 +1335,5 @@ EXPORT_SYMBOL(netdev_class_remove_file);
 int netdev_kobject_init(void)
 {
        kobj_ns_type_register(&net_ns_type_operations);
-        register_pernet_subsys(&kobj_net_ops);
        return class_register(&net_class);
 }
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 6c6b86d0da15..ea489db1bc23 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -128,6 +128,7 @@ static __net_init int setup_net(struct net *net)
        LIST_HEAD(net_exit_list);
        atomic_set(&net->count, 1);
+        atomic_set(&net->passive, 1);
 #ifdef NETNS_REFCNT_DEBUG
        atomic_set(&net->use_count, 0);
@@ -210,6 +211,13 @@ static void net_free(struct net *net)
        kmem_cache_free(net_cachep, net);
 }
+void net_drop_ns(void *p)
+{
+        struct net *ns = p;
+        if (ns && atomic_dec_and_test(&ns->passive))
+                net_free(ns);
+}
 struct net *copy_net_ns(unsigned long flags, struct net *old_net)
 {
        struct net *net;
@@ -230,7 +238,7 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
        }
        mutex_unlock(&net_mutex);
        if (rv < 0) {
-                net_free(net);
+                net_drop_ns(net);
                return ERR_PTR(rv);
        }
        return net;
@@ -286,7 +294,7 @@ static void cleanup_net(struct work_struct *work)
        /* Finally it is safe to free my network namespace structure */
        list_for_each_entry_safe(net, tmp, &net_exit_list, exit_list) {
                list_del_init(&net->exit_list);
-                net_free(net);
+                net_drop_ns(net);
        }
 }
 static DECLARE_WORK(net_cleanup_work, cleanup_net);
@@ -310,19 +318,17 @@ struct net *get_net_ns_by_fd(int fd)
        struct file *file;
        struct net *net;
-        net = ERR_PTR(-EINVAL);
        file = proc_ns_fget(fd);
-        if (!file)
+        if (IS_ERR(file))
-                goto out;
+                return ERR_CAST(file);
        ei = PROC_I(file->f_dentry->d_inode);
-        if (ei->ns_ops != &netns_operations)
+        if (ei->ns_ops == &netns_operations)
-                goto out;
+                net = get_net(ei->ns);
+        else
+                net = ERR_PTR(-EINVAL);
-        net = get_net(ei->ns);
+        fput(file);
-out:
-        if (file)
-                fput(file);
        return net;
 }
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 2d7d6d473781..18d9cbda3a39 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -792,6 +792,13 @@ int netpoll_setup(struct netpoll *np)
                return -ENODEV;
        }
+        if (ndev->master) {
+                printk(KERN_ERR "%s: %s is a slave device, aborting.\n",
+                       np->name, np->dev_name);
+                err = -EBUSY;
+                goto put;
+        }
        if (!netif_running(ndev)) {
                unsigned long atmost, atleast;
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index ed0eab39f531..02548b292b53 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -44,7 +44,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
        pr_debug("%s\n", __func__);
        if (!buf)
-                goto out;
+                return -EMSGSIZE;
        hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
                IEEE802154_LIST_PHY);
@@ -65,6 +65,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
                                pages * sizeof(uint32_t), buf);
        mutex_unlock(&phy->pib_lock);
+        kfree(buf);
        return genlmsg_end(msg, hdr);
 nla_put_failure:
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 9c1926027a26..ef1528af7abf 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -465,8 +465,10 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        if (addr_len < sizeof(struct sockaddr_in))
                goto out;
-        if (addr->sin_family != AF_INET)
+        if (addr->sin_family != AF_INET) {
+                err = -EAFNOSUPPORT;
                goto out;
+        }
        chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
@@ -676,6 +678,7 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags)
        lock_sock(sk2);
+        sock_rps_record_flow(sk2);
        WARN_ON(!((1 << sk2->sk_state) &
                  (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_CLOSE)));
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 6ffe94ca5bc9..3267d3898437 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -437,7 +437,7 @@ static int valid_cc(const void *bc, int len, int cc)
                        return 0;
                if (cc == len)
                        return 1;
-                if (op->yes < 4)
+                if (op->yes < 4 || op->yes & 3)
                        return 0;
                len -= op->yes;
                bc  += op->yes;
@@ -447,11 +447,11 @@ static int valid_cc(const void *bc, int len, int cc)
 static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
 {
-        const unsigned char *bc = bytecode;
+        const void *bc = bytecode;
        int  len = bytecode_len;
        while (len > 0) {
-                struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)bc;
+                const struct inet_diag_bc_op *op = bc;
 //printk("BC: %d %d %d {%d} / %d\n", op->code, op->yes, op->no, op[1].no, len);
                switch (op->code) {
@@ -462,22 +462,20 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
                case INET_DIAG_BC_S_LE:
                case INET_DIAG_BC_D_GE:
                case INET_DIAG_BC_D_LE:
-                        if (op->yes < 4 || op->yes > len + 4)
-                                return -EINVAL;
                case INET_DIAG_BC_JMP:
-                        if (op->no < 4 || op->no > len + 4)
+                        if (op->no < 4 || op->no > len + 4 || op->no & 3)
                                return -EINVAL;
                        if (op->no < len &&
                            !valid_cc(bytecode, bytecode_len, len - op->no))
                                return -EINVAL;
                        break;
                case INET_DIAG_BC_NOP:
-                        if (op->yes < 4 || op->yes > len + 4)
-                                return -EINVAL;
                        break;
                default:
                        return -EINVAL;
                }
+                if (op->yes < 4 || op->yes > len + 4 || op->yes & 3)
+                        return -EINVAL;
                bc  += op->yes;
                len -= op->yes;
        }
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 98af3697c718..84f26e8e6c60 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -799,9 +799,9 @@ static int __ip_append_data(struct sock *sk,
        int csummode = CHECKSUM_NONE;
        struct rtable *rt = (struct rtable *)cork->dst;
-        exthdrlen = transhdrlen ? rt->dst.header_len : 0;
+        skb = skb_peek_tail(queue);
-        length += exthdrlen;
-        transhdrlen += exthdrlen;
+        exthdrlen = !skb ? rt->dst.header_len : 0;
        mtu = cork->fragsize;
        hh_len = LL_RESERVED_SPACE(rt->dst.dev);
@@ -825,12 +825,10 @@ static int __ip_append_data(struct sock *sk,
            !exthdrlen)
                csummode = CHECKSUM_PARTIAL;
-        skb = skb_peek_tail(queue);
        cork->length += length;
        if (((length > mtu) || (skb && skb_is_gso(skb))) &&
            (sk->sk_protocol == IPPROTO_UDP) &&
-            (rt->dst.dev->features & NETIF_F_UFO)) {
+            (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
                err = ip_ufo_append_data(sk, queue, getfrag, from, length,
                                         hh_len, fragheaderlen, transhdrlen,
                                         mtu, flags);
@@ -883,17 +881,16 @@ alloc_new_skb:
                        else
                                alloclen = fraglen;
+                        alloclen += exthdrlen;
                        /* The last fragment gets additional space at tail.
                         * Note, with MSG_MORE we overallocate on fragments,
                         * because we have no idea what fragment will be
                         * the last.
                         */
-                        if (datalen == length + fraggap) {
+                        if (datalen == length + fraggap)
                                alloclen += rt->dst.trailer_len;
-                                /* make sure mtu is not reached */
-                                if (datalen > mtu - fragheaderlen - rt->dst.trailer_len)
-                                        datalen -= ALIGN(rt->dst.trailer_len, 8);
-                        }
                        if (transhdrlen) {
                                skb = sock_alloc_send_skb(sk,
                                                alloclen + hh_len + 15,
@@ -926,11 +923,11 @@ alloc_new_skb:
                        /*
                         *      Find where to start putting bytes.
                         */
-                        data = skb_put(skb, fraglen);
+                        data = skb_put(skb, fraglen + exthdrlen);
                        skb_set_network_header(skb, exthdrlen);
                        skb->transport_header = (skb->network_header +
                                                 fragheaderlen);
-                        data += fragheaderlen;
+                        data += fragheaderlen + exthdrlen;
                        if (fraggap) {
                                skb->csum = skb_copy_and_csum_bits(
@@ -1064,7 +1061,7 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
         */
        *rtp = NULL;
        cork->fragsize = inet->pmtudisc == IP_PMTUDISC_PROBE ?
-                         rt->dst.dev->mtu : dst_mtu(rt->dst.path);
+                         rt->dst.dev->mtu : dst_mtu(&rt->dst);
        cork->dst = &rt->dst;
        cork->length = 0;
        cork->tx_flags = ipc->tx_flags;
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 4614babdc45f..2e97e3ec1eb7 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -17,51 +17,35 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
        const struct iphdr *iph = ip_hdr(skb);
        struct rtable *rt;
        struct flowi4 fl4 = {};
-        unsigned long orefdst;
+        __be32 saddr = iph->saddr;
+        __u8 flags = 0;
        unsigned int hh_len;
-        unsigned int type;
-        type = inet_addr_type(net, iph->saddr);
+        if (!skb->sk && addr_type != RTN_LOCAL) {
-        if (skb->sk && inet_sk(skb->sk)->transparent)
+                if (addr_type == RTN_UNSPEC)
-                type = RTN_LOCAL;
+                        addr_type = inet_addr_type(net, saddr);
-        if (addr_type == RTN_UNSPEC)
+                if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
-                addr_type = type;
+                        flags |= FLOWI_FLAG_ANYSRC;
+                else
+                        saddr = 0;
+        }
        /* some non-standard hacks like ipt_REJECT.c:send_reset() can cause
         * packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook.
         */
-        if (addr_type == RTN_LOCAL) {
+        fl4.daddr = iph->daddr;
-                fl4.daddr = iph->daddr;
+        fl4.saddr = saddr;
-                if (type == RTN_LOCAL)
+        fl4.flowi4_tos = RT_TOS(iph->tos);
-                        fl4.saddr = iph->saddr;
+        fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
-                fl4.flowi4_tos = RT_TOS(iph->tos);
+        fl4.flowi4_mark = skb->mark;
-                fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+        fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : flags;
-                fl4.flowi4_mark = skb->mark;
+        rt = ip_route_output_key(net, &fl4);
-                fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
+        if (IS_ERR(rt))
-                rt = ip_route_output_key(net, &fl4);
+                return -1;
-                if (IS_ERR(rt))
-                        return -1;
-                /* Drop old route. */
-                skb_dst_drop(skb);
-                skb_dst_set(skb, &rt->dst);
-        } else {
-                /* non-local src, find valid iif to satisfy
-                 * rp-filter when calling ip_route_input. */
-                fl4.daddr = iph->saddr;
-                rt = ip_route_output_key(net, &fl4);
-                if (IS_ERR(rt))
-                        return -1;
-                orefdst = skb->_skb_refdst;
+        /* Drop old route. */
-                if (ip_route_input(skb, iph->daddr, iph->saddr,
+        skb_dst_drop(skb);
-                                   RT_TOS(iph->tos), rt->dst.dev) != 0) {
+        skb_dst_set(skb, &rt->dst);
-                        dst_release(&rt->dst);
-                        return -1;
-                }
-                dst_release(&rt->dst);
-                refdst_drop(orefdst);
-        }
        if (skb_dst(skb)->error)
                return -1;
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index d2c1311cb28d..5c9b9d963918 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -203,7 +203,8 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
        else
                pmsg->outdev_name[0] = '\0';
-        if (entry->indev && entry->skb->dev) {
+        if (entry->indev && entry->skb->dev &&
+            entry->skb->mac_header != entry->skb->network_header) {
                pmsg->hw_type = entry->skb->dev->type;
                pmsg->hw_addrlen = dev_parse_header(entry->skb,
                                                    pmsg->hw_addr);
@@ -402,7 +403,8 @@ ipq_dev_drop(int ifindex)
 static inline void
 __ipq_rcv_skb(struct sk_buff *skb)
 {
-        int status, type, pid, flags, nlmsglen, skblen;
+        int status, type, pid, flags;
+        unsigned int nlmsglen, skblen;
        struct nlmsghdr *nlh;
        skblen = skb->len;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 764743843503..24e556e83a3b 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -566,7 +566,7 @@ check_entry(const struct ipt_entry *e, const char *name)
        const struct xt_entry_target *t;
        if (!ip_checkentry(&e->ip)) {
-                duprintf("ip check failed %p %s.\n", e, par->match->name);
+                duprintf("ip check failed %p %s.\n", e, name);
                return -EINVAL;
        }
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index d609ac3cb9a4..5c9e97c79017 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -307,7 +307,7 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
         * error messages (RELATED) and information requests (see below) */
        if (ip_hdr(skb)->protocol == IPPROTO_ICMP &&
            (ctinfo == IP_CT_RELATED ||
-             ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY))
+             ctinfo == IP_CT_RELATED_REPLY))
                return XT_CONTINUE;
        /* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO,
@@ -321,12 +321,12 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
                        ct->mark = hash;
                        break;
                case IP_CT_RELATED:
-                case IP_CT_RELATED+IP_CT_IS_REPLY:
+                case IP_CT_RELATED_REPLY:
                        /* FIXME: we don't handle expectations at the
                         * moment.  they can arrive on a different node than
                         * the master connection (e.g. FTP passive mode) */
                case IP_CT_ESTABLISHED:
-                case IP_CT_ESTABLISHED+IP_CT_IS_REPLY:
+                case IP_CT_ESTABLISHED_REPLY:
                        break;
                default:
                        break;
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index d2ed9dc74ebc..9931152a78b5 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -60,7 +60,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par)
        nat = nfct_nat(ct);
        NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
-                            ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+                            ctinfo == IP_CT_RELATED_REPLY));
        /* Source address is 0.0.0.0 - locally generated packet that is
         * probably not supposed to be masqueraded.
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 1ff79e557f96..51f13f8ec724 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -40,7 +40,6 @@ static void send_reset(struct sk_buff *oldskb, int hook)
        struct iphdr *niph;
        const struct tcphdr *oth;
        struct tcphdr _otcph, *tcph;
-        unsigned int addr_type;
        /* IP header checks: fragment. */
        if (ip_hdr(oldskb)->frag_off & htons(IP_OFFSET))
@@ -55,6 +54,9 @@ static void send_reset(struct sk_buff *oldskb, int hook)
        if (oth->rst)
                return;
+        if (skb_rtable(oldskb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+                return;
        /* Check checksum */
        if (nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), IPPROTO_TCP))
                return;
@@ -101,19 +103,11 @@ static void send_reset(struct sk_buff *oldskb, int hook)
        nskb->csum_start = (unsigned char *)tcph - nskb->head;
        nskb->csum_offset = offsetof(struct tcphdr, check);
-        addr_type = RTN_UNSPEC;
-        if (hook != NF_INET_FORWARD
-#ifdef CONFIG_BRIDGE_NETFILTER
-            || (nskb->nf_bridge && nskb->nf_bridge->mask & BRNF_BRIDGED)
-#endif
-           )
-                addr_type = RTN_LOCAL;
        /* ip_route_me_harder expects skb->dst to be set */
        skb_dst_set_noref(nskb, skb_dst(oldskb));
        nskb->protocol = htons(ETH_P_IP);
-        if (ip_route_me_harder(nskb, addr_type))
+        if (ip_route_me_harder(nskb, RTN_UNSPEC))
                goto free_nskb;
        niph->ttl       = ip4_dst_hoplimit(skb_dst(nskb));
diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c
index af6e9c778345..2b57e52c746c 100644
--- a/net/ipv4/netfilter/ipt_ecn.c
+++ b/net/ipv4/netfilter/ipt_ecn.c
@@ -25,7 +25,8 @@ MODULE_LICENSE("GPL");
 static inline bool match_ip(const struct sk_buff *skb,
                            const struct ipt_ecn_info *einfo)
 {
-        return (ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect;
+        return ((ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect) ^
+               !!(einfo->invert & IPT_ECN_OP_MATCH_IP);
 }
 static inline bool match_tcp(const struct sk_buff *skb,
@@ -76,8 +77,6 @@ static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par)
                        return false;
        if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) {
-                if (ip_hdr(skb)->protocol != IPPROTO_TCP)
-                        return false;
                if (!match_tcp(skb, info, &par->hotdrop))
                        return false;
        }
@@ -97,7 +96,7 @@ static int ecn_mt_check(const struct xt_mtchk_param *par)
                return -EINVAL;
        if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) &&
-            ip->proto != IPPROTO_TCP) {
+            (ip->proto != IPPROTO_TCP || ip->invflags & IPT_INV_PROTO)) {
                pr_info("cannot match TCP bits in rule for non-tcp packets\n");
                return -EINVAL;
        }
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 5a03c02af999..de9da21113a1 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -101,7 +101,7 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
        /* This is where we call the helper: as the packet goes out. */
        ct = nf_ct_get(skb, &ctinfo);
-        if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
+        if (!ct || ctinfo == IP_CT_RELATED_REPLY)
                goto out;
        help = nfct_help(ct);
@@ -121,7 +121,9 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
                return ret;
        }
-        if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
+        /* adjust seqs for loopback traffic only in outgoing direction */
+        if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status) &&
+            !nf_is_loopback_packet(skb)) {
                typeof(nf_nat_seq_adjust_hook) seq_adjust;
                seq_adjust = rcu_dereference(nf_nat_seq_adjust_hook);
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 7404bde95994..ab5b27a2916f 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -160,7 +160,7 @@ icmp_error_message(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
        /* Update skb to refer to this connection */
        skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
        skb->nfctinfo = *ctinfo;
-        return -NF_ACCEPT;
+        return NF_ACCEPT;
 }
 /* Small and modified version of icmp_rcv */
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 9c71b2755ce3..3346de5d94d0 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -433,7 +433,7 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
        /* Must be RELATED */
        NF_CT_ASSERT(skb->nfctinfo == IP_CT_RELATED ||
-                     skb->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
+                     skb->nfctinfo == IP_CT_RELATED_REPLY);
        /* Redirects on non-null nats must be dropped, else they'll
           start talking to each other without our translation, and be
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 99cfa28b6d38..ebc5f8894f99 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -160,7 +160,7 @@ static void nf_nat_csum(struct sk_buff *skb, const struct iphdr *iph, void *data
        if (skb->ip_summed != CHECKSUM_PARTIAL) {
                if (!(rt->rt_flags & RTCF_LOCAL) &&
-                    skb->dev->features & NETIF_F_V4_CSUM) {
+                    (!skb->dev || skb->dev->features & NETIF_F_V4_CSUM)) {
                        skb->ip_summed = CHECKSUM_PARTIAL;
                        skb->csum_start = skb_headroom(skb) +
                                          skb_network_offset(skb) +
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index 21c30426480b..733c9abc1cbd 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -53,7 +53,7 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_action_param *par)
        /* Connection must be valid and new. */
        NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
-                            ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+                            ctinfo == IP_CT_RELATED_REPLY));
        NF_CT_ASSERT(par->out != NULL);
        return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC);
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 7317bdf1d457..483b76d042da 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -116,7 +116,7 @@ nf_nat_fn(unsigned int hooknum,
        switch (ctinfo) {
        case IP_CT_RELATED:
-        case IP_CT_RELATED+IP_CT_IS_REPLY:
+        case IP_CT_RELATED_REPLY:
                if (ip_hdr(skb)->protocol == IPPROTO_ICMP) {
                        if (!nf_nat_icmp_reply_translation(ct, ctinfo,
                                                           hooknum, skb))
@@ -144,7 +144,7 @@ nf_nat_fn(unsigned int hooknum,
        default:
                /* ESTABLISHED */
                NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
-                             ctinfo == (IP_CT_ESTABLISHED+IP_CT_IS_REPLY));
+                             ctinfo == IP_CT_ESTABLISHED_REPLY);
        }
        return nf_nat_packet(ct, ctinfo, hooknum, skb);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 52b0b956508b..aa13ef105110 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1316,6 +1316,23 @@ reject_redirect:
        ;
 }
+static bool peer_pmtu_expired(struct inet_peer *peer)
+{
+        unsigned long orig = ACCESS_ONCE(peer->pmtu_expires);
+        return orig &&
+               time_after_eq(jiffies, orig) &&
+               cmpxchg(&peer->pmtu_expires, orig, 0) == orig;
+}
+static bool peer_pmtu_cleaned(struct inet_peer *peer)
+{
+        unsigned long orig = ACCESS_ONCE(peer->pmtu_expires);
+        return orig &&
+               cmpxchg(&peer->pmtu_expires, orig, 0) == orig;
+}
 static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 {
        struct rtable *rt = (struct rtable *)dst;
@@ -1331,14 +1348,8 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
                                                rt_genid(dev_net(dst->dev)));
                        rt_del(hash, rt);
                        ret = NULL;
-                } else if (rt->peer &&
+                } else if (rt->peer && peer_pmtu_expired(rt->peer)) {
-                           rt->peer->pmtu_expires &&
+                        dst_metric_set(dst, RTAX_MTU, rt->peer->pmtu_orig);
-                           time_after_eq(jiffies, rt->peer->pmtu_expires)) {
-                        unsigned long orig = rt->peer->pmtu_expires;
-                        if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig)
-                                dst_metric_set(dst, RTAX_MTU,
-                                               rt->peer->pmtu_orig);
                }
        }
        return ret;
@@ -1531,8 +1542,10 @@ unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
 static void check_peer_pmtu(struct dst_entry *dst, struct inet_peer *peer)
 {
-        unsigned long expires = peer->pmtu_expires;
+        unsigned long expires = ACCESS_ONCE(peer->pmtu_expires);
+        if (!expires)
+                return;
        if (time_before(jiffies, expires)) {
                u32 orig_dst_mtu = dst_mtu(dst);
                if (peer->pmtu_learned < orig_dst_mtu) {
@@ -1555,10 +1568,11 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
                rt_bind_peer(rt, rt->rt_dst, 1);
        peer = rt->peer;
        if (peer) {
+                unsigned long pmtu_expires = ACCESS_ONCE(peer->pmtu_expires);
                if (mtu < ip_rt_min_pmtu)
                        mtu = ip_rt_min_pmtu;
-                if (!peer->pmtu_expires || mtu < peer->pmtu_learned) {
+                if (!pmtu_expires || mtu < peer->pmtu_learned) {
-                        unsigned long pmtu_expires;
                        pmtu_expires = jiffies + ip_rt_mtu_expires;
                        if (!pmtu_expires)
@@ -1612,13 +1626,14 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
                        rt_bind_peer(rt, rt->rt_dst, 0);
                peer = rt->peer;
-                if (peer && peer->pmtu_expires)
+                if (peer) {
                        check_peer_pmtu(dst, peer);
-                if (peer && peer->redirect_learned.a4 &&
+                        if (peer->redirect_learned.a4 &&
-                    peer->redirect_learned.a4 != rt->rt_gateway) {
+                            peer->redirect_learned.a4 != rt->rt_gateway) {
-                        if (check_peer_redir(dst, peer))
+                                if (check_peer_redir(dst, peer))
-                                return NULL;
+                                        return NULL;
+                        }
                }
                rt->rt_peer_genid = rt_peer_genid();
@@ -1649,14 +1664,8 @@ static void ipv4_link_failure(struct sk_buff *skb)
        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
        rt = skb_rtable(skb);
-        if (rt &&
+        if (rt && rt->peer && peer_pmtu_cleaned(rt->peer))
-            rt->peer &&
+                dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig);
-            rt->peer->pmtu_expires) {
-                unsigned long orig = rt->peer->pmtu_expires;
-                if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig)
-                        dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig);
-        }
 }
 static int ip_rt_bug(struct sk_buff *skb)
@@ -1770,8 +1779,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4,
                               sizeof(u32) * RTAX_MAX);
                dst_init_metrics(&rt->dst, peer->metrics, false);
-                if (peer->pmtu_expires)
+                check_peer_pmtu(&rt->dst, peer);
-                        check_peer_pmtu(&rt->dst, peer);
                if (peer->redirect_learned.a4 &&
                    peer->redirect_learned.a4 != rt->rt_gateway) {
                        rt->rt_gateway = peer->redirect_learned.a4;
@@ -1894,9 +1902,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
        hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
        rth = rt_intern_hash(hash, rth, skb, dev->ifindex);
-        err = 0;
+        return IS_ERR(rth) ? PTR_ERR(rth) : 0;
-        if (IS_ERR(rth))
-                err = PTR_ERR(rth);
 e_nobufs:
        return -ENOBUFS;
@@ -2775,7 +2781,8 @@ static int rt_fill_info(struct net *net,
        struct rtable *rt = skb_rtable(skb);
        struct rtmsg *r;
        struct nlmsghdr *nlh;
-        long expires;
+        long expires = 0;
+        const struct inet_peer *peer = rt->peer;
        u32 id = 0, ts = 0, tsage = 0, error;
        nlh = nlmsg_put(skb, pid, seq, event, sizeof(*r), flags);
@@ -2823,15 +2830,16 @@ static int rt_fill_info(struct net *net,
                NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark);
        error = rt->dst.error;
-        expires = (rt->peer && rt->peer->pmtu_expires) ?
+        if (peer) {
-                rt->peer->pmtu_expires - jiffies : 0;
-        if (rt->peer) {
                inet_peer_refcheck(rt->peer);
-                id = atomic_read(&rt->peer->ip_id_count) & 0xffff;
+                id = atomic_read(&peer->ip_id_count) & 0xffff;
-                if (rt->peer->tcp_ts_stamp) {
+                if (peer->tcp_ts_stamp) {
-                        ts = rt->peer->tcp_ts;
+                        ts = peer->tcp_ts;
-                        tsage = get_seconds() - rt->peer->tcp_ts_stamp;
+                        tsage = get_seconds() - peer->tcp_ts_stamp;
                }
+                expires = ACCESS_ONCE(peer->pmtu_expires);
+                if (expires)
+                        expires -= jiffies;
        }
        if (rt_is_input_route(rt)) {
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 054a59d21eb0..46febcacb729 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3220,7 +3220,7 @@ __setup("thash_entries=", set_thash_entries);
 void __init tcp_init(void)
 {
        struct sk_buff *skb = NULL;
-        unsigned long nr_pages, limit;
+        unsigned long limit;
        int i, max_share, cnt;
        unsigned long jiffy = jiffies;
@@ -3277,13 +3277,7 @@ void __init tcp_init(void)
        sysctl_tcp_max_orphans = cnt / 2;
        sysctl_max_syn_backlog = max(128, cnt / 256);
-        /* Set the pressure threshold to be a fraction of global memory that
+        limit = nr_free_buffer_pages() / 8;
-         * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-         * memory, with a floor of 128 pages.
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
        limit = max(limit, 128UL);
        sysctl_tcp_mem[0] = limit / 4 * 3;
        sysctl_tcp_mem[1] = limit;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a7d6671e33b8..708dc203b034 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1589,6 +1589,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
                        goto discard;
                if (nsk != sk) {
+                        sock_rps_save_rxhash(nsk, skb->rxhash);
                        if (tcp_child_process(sk, nsk, skb)) {
                                rsk = nsk;
                                goto reset;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index abca870d8ff6..198f75b7bdd3 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1249,6 +1249,9 @@ csum_copy_err:
        if (noblock)
                return -EAGAIN;
+        /* starting over for a new packet */
+        msg->msg_flags &= ~MSG_TRUNC;
        goto try_again;
 }
@@ -2206,16 +2209,10 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 void __init udp_init(void)
 {
-        unsigned long nr_pages, limit;
+        unsigned long limit;
        udp_table_init(&udp_table, "UDP");
-        /* Set the pressure threshold up by the same strategy of TCP. It is a
+        limit = nr_free_buffer_pages() / 8;
-         * fraction of global memory that is up to 1/2 at 256 MB, decreasing
-         * toward zero with the amount of memory, with a floor of 128 pages.
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
        limit = max(limit, 128UL);
        sysctl_udp_mem[0] = limit / 4 * 3;
        sysctl_udp_mem[1] = limit;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2d51840e53a1..327a617d594c 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -32,7 +32,12 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
        dst = skb_dst(skb);
        mtu = dst_mtu(dst);
        if (skb->len > mtu) {
-                icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+                if (skb->sk)
+                        ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
+                                       inet_sk(skb->sk)->inet_dport, mtu);
+                else
+                        icmp_send(skb, ICMP_DEST_UNREACH,
+                                  ICMP_FRAG_NEEDED, htonl(mtu));
                ret = -EMSGSIZE;
        }
 out:
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b7919f901fbf..3b5669a2582d 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -272,6 +272,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
        if (addr_len < SIN6_LEN_RFC2133)
                return -EINVAL;
+        if (addr->sin6_family != AF_INET6)
+                return -EAFNOSUPPORT;
        addr_type = ipv6_addr_type(&addr->sin6_addr);
        if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
                return -EINVAL;
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 413ab0754e1f..249394863284 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -204,7 +204,8 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
        else
                pmsg->outdev_name[0] = '\0';
-        if (entry->indev && entry->skb->dev) {
+        if (entry->indev && entry->skb->dev &&
+            entry->skb->mac_header != entry->skb->network_header) {
                pmsg->hw_type = entry->skb->dev->type;
                pmsg->hw_addrlen = dev_parse_header(entry->skb, pmsg->hw_addr);
        }
@@ -403,7 +404,8 @@ ipq_dev_drop(int ifindex)
 static inline void
 __ipq_rcv_skb(struct sk_buff *skb)
 {
-        int status, type, pid, flags, nlmsglen, skblen;
+        int status, type, pid, flags;
+        unsigned int nlmsglen, skblen;
        struct nlmsghdr *nlh;
        skblen = skb->len;
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index c8af58b22562..4111050a9fc5 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -160,7 +160,7 @@ static unsigned int ipv6_confirm(unsigned int hooknum,
        /* This is where we call the helper: as the packet goes out. */
        ct = nf_ct_get(skb, &ctinfo);
-        if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
+        if (!ct || ctinfo == IP_CT_RELATED_REPLY)
                goto out;
        help = nfct_help(ct);
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 1df3c8b6bf47..7c05e7eacbc6 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -177,7 +177,7 @@ icmpv6_error_message(struct net *net, struct nf_conn *tmpl,
        /* Update skb to refer to this connection */
        skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
        skb->nfctinfo = *ctinfo;
-        return -NF_ACCEPT;
+        return NF_ACCEPT;
 }
 static int
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index de2b1decd786..0ef1f086feb8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -228,9 +228,10 @@ static struct rt6_info ip6_blk_hole_entry_template = {
 /* allocate dst with ip6_dst_ops */
 static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
-                                             struct net_device *dev)
+                                             struct net_device *dev,
+                                             int flags)
 {
-        struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, 0);
+        struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
        memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
@@ -1042,7 +1043,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
        if (unlikely(idev == NULL))
                return NULL;
-        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev);
+        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
        if (unlikely(rt == NULL)) {
                in6_dev_put(idev);
                goto out;
@@ -1062,14 +1063,6 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
        dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
        rt->dst.output  = ip6_output;
-#if 0   /* there's no chance to use these for ndisc */
-        rt->dst.flags   = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
-                                ? DST_HOST
-                                : 0;
-        ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
-        rt->rt6i_dst.plen = 128;
-#endif
        spin_lock_bh(&icmp6_dst_lock);
        rt->dst.next = icmp6_dst_gc_list;
        icmp6_dst_gc_list = &rt->dst;
@@ -1214,7 +1207,7 @@ int ip6_route_add(struct fib6_config *cfg)
                goto out;
        }
-        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL);
+        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL, DST_NOCOUNT);
        if (rt == NULL) {
                err = -ENOMEM;
@@ -1244,7 +1237,7 @@ int ip6_route_add(struct fib6_config *cfg)
        ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
        rt->rt6i_dst.plen = cfg->fc_dst_len;
        if (rt->rt6i_dst.plen == 128)
-               rt->dst.flags = DST_HOST;
+               rt->dst.flags |= DST_HOST;
 #ifdef CONFIG_IPV6_SUBTREES
        ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
@@ -1734,7 +1727,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
 {
        struct net *net = dev_net(ort->rt6i_dev);
        struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-                                            ort->dst.dev);
+                                            ort->dst.dev, 0);
        if (rt) {
                rt->dst.input = ort->dst.input;
@@ -2013,7 +2006,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 {
        struct net *net = dev_net(idev->dev);
        struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-                                            net->loopback_dev);
+                                            net->loopback_dev, 0);
        struct neighbour *neigh;
        if (rt == NULL) {
@@ -2025,7 +2018,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
        in6_dev_hold(idev);
-        rt->dst.flags = DST_HOST;
+        rt->dst.flags |= DST_HOST;
        rt->dst.input = ip6_input;
        rt->dst.output = ip6_output;
        rt->rt6i_idev = idev;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d1fd28711ba5..87551ca568cd 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1644,6 +1644,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
                 * the new socket..
                 */
                if(nsk != sk) {
+                        sock_rps_save_rxhash(nsk, skb->rxhash);
                        if (tcp_child_process(sk, nsk, skb))
                                goto reset;
                        if (opt_skb)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 41f8c9c08dba..328985c40883 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -453,8 +453,11 @@ csum_copy_err:
        }
        unlock_sock_fast(sk, slow);
-        if (flags & MSG_DONTWAIT)
+        if (noblock)
                return -EAGAIN;
+        /* starting over for a new packet */
+        msg->msg_flags &= ~MSG_TRUNC;
        goto try_again;
 }
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 36477538cea8..f876eed7d4aa 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -87,6 +87,8 @@ static inline void iriap_start_watchdog_timer(struct iriap_cb *self,
                         iriap_watchdog_timer_expired);
 }
+static struct lock_class_key irias_objects_key;
 /*
 * Function iriap_init (void)
 *
@@ -114,6 +116,9 @@ int __init iriap_init(void)
                return -ENOMEM;
        }
+        lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key,
+                                   "irias_objects");
        /*
         *  Register some default services for IrLMP
         */
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index b8dbae82fab8..76130134bfa6 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -258,7 +258,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file)
         */
        pd->net = get_net_ns_by_pid(current->pid);
        if (IS_ERR(pd->net)) {
-                rc = -PTR_ERR(pd->net);
+                rc = PTR_ERR(pd->net);
                goto err_free_pd;
        }
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 421eaa6b0c2b..56c24cabf26d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -965,6 +965,10 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
        mutex_lock(&sdata->u.ibss.mtx);
+        sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
+        memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
+        sdata->u.ibss.ssid_len = 0;
        active_ibss = ieee80211_sta_active_ibss(sdata);
        if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -999,8 +1003,6 @@ int ieee80211_ibss_leave(struct ieee80211_sub_if_data *sdata)
        kfree_skb(skb);
        skb_queue_purge(&sdata->skb_queue);
-        memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
-        sdata->u.ibss.ssid_len = 0;
        del_timer_sync(&sdata->u.ibss.timer);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 2025af52b195..090b0ec1e056 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -775,9 +775,6 @@ struct ieee80211_local {
        int tx_headroom; /* required headroom for hardware/radiotap */
-        /* count for keys needing tailroom space allocation */
-        int crypto_tx_tailroom_needed_cnt;
        /* Tasklet and skb queue to process calls from IRQ mode. All frames
         * added to skb_queue will be processed, but frames in
         * skb_queue_unreliable may be dropped if the total length of these
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 49d4f869e0bc..dee30aea9ab3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1145,6 +1145,10 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
                                + IEEE80211_ENCRYPT_HEADROOM;
        ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
+        ret = dev_alloc_name(ndev, ndev->name);
+        if (ret < 0)
+                goto fail;
        ieee80211_assign_perm_addr(local, ndev, type);
        memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
        SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 31afd712930d..f825e2f0a57e 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -101,11 +101,6 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
        if (!ret) {
                key->flags |= KEY_FLAG_UPLOADED_TO_HARDWARE;
-                if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
-                      (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
-                        key->local->crypto_tx_tailroom_needed_cnt--;
                return 0;
        }
@@ -161,10 +156,6 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key)
                          key->conf.keyidx, sta ? sta->addr : bcast_addr, ret);
        key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE;
-        if (!((key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) ||
-              (key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)))
-                key->local->crypto_tx_tailroom_needed_cnt++;
 }
 void ieee80211_key_removed(struct ieee80211_key_conf *key_conf)
@@ -403,10 +394,8 @@ static void __ieee80211_key_destroy(struct ieee80211_key *key)
                ieee80211_aes_key_free(key->u.ccmp.tfm);
        if (key->conf.cipher == WLAN_CIPHER_SUITE_AES_CMAC)
                ieee80211_aes_cmac_key_free(key->u.aes_cmac.tfm);
-        if (key->local) {
+        if (key->local)
                ieee80211_debugfs_key_remove(key);
-                key->local->crypto_tx_tailroom_needed_cnt--;
-        }
        kfree(key);
 }
@@ -468,8 +457,6 @@ int ieee80211_key_link(struct ieee80211_key *key,
        ieee80211_debugfs_key_add(key);
-        key->local->crypto_tx_tailroom_needed_cnt++;
        ret = ieee80211_key_enable_hw_accel(key);
        mutex_unlock(&sdata->local->key_mtx);
@@ -511,12 +498,8 @@ void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)
        mutex_lock(&sdata->local->key_mtx);
-        sdata->local->crypto_tx_tailroom_needed_cnt = 0;
+        list_for_each_entry(key, &sdata->key_list, list)
-        list_for_each_entry(key, &sdata->key_list, list) {
-                sdata->local->crypto_tx_tailroom_needed_cnt++;
                ieee80211_key_enable_hw_accel(key);
-        }
        mutex_unlock(&sdata->local->key_mtx);
 }
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 456cccf26b51..d595265d6c22 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -232,9 +232,6 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
                WARN_ON(!ieee80211_set_channel_type(local, sdata, channel_type));
        }
-        ieee80211_stop_queues_by_reason(&sdata->local->hw,
-                                        IEEE80211_QUEUE_STOP_REASON_CSA);
        /* channel_type change automatically detected */
        ieee80211_hw_config(local, 0);
@@ -248,9 +245,6 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
                rcu_read_unlock();
        }
-        ieee80211_wake_queues_by_reason(&sdata->local->hw,
-                                        IEEE80211_QUEUE_STOP_REASON_CSA);
        ht_opmode = le16_to_cpu(hti->operation_mode);
        /* if bss configuration changed store the new one */
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 64e0f7587e6d..3104c844b544 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1480,7 +1480,12 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 {
        int tail_need = 0;
-        if (may_encrypt && local->crypto_tx_tailroom_needed_cnt) {
+        /*
+         * This could be optimised, devices that do full hardware
+         * crypto (including TKIP MMIC) need no tailroom... But we
+         * have no drivers for such devices currently.
+         */
+        if (may_encrypt) {
                tail_need = IEEE80211_ENCRYPT_TAILROOM;
                tail_need -= skb_tailroom(skb);
                tail_need = max_t(int, tail_need, 0);
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 9dc3b5f26e80..d91c1a26630d 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -154,7 +154,13 @@ update_iv:
        return RX_CONTINUE;
 mic_fail:
-        mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
+        /*
+         * In some cases the key can be unset - e.g. a multicast packet, in
+         * a driver that supports HW encryption. Send up the key idx only if
+         * the key is set.
+         */
+        mac80211_ev_michael_mic_failure(rx->sdata,
+                                        rx->key ? rx->key->conf.keyidx : -1,
                                        (void *) skb->data, NULL, GFP_ATOMIC);
        return RX_DROP_UNUSABLE;
 }
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 8041befc6555..42aa64b6b0b1 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -767,7 +767,7 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb,
        if (!attr[IPSET_ATTR_SETNAME]) {
                for (i = 0; i < ip_set_max; i++) {
                        if (ip_set_list[i] != NULL && ip_set_list[i]->ref) {
-                                ret = IPSET_ERR_BUSY;
+                                ret = -IPSET_ERR_BUSY;
                                goto out;
                        }
                }
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 4743e5402522..565a7c5b8818 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -146,8 +146,9 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_ipportnet4_elem data =
+        struct hash_ipportnet4_elem data = {
-                { .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
@@ -394,8 +395,9 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_ipportnet6_elem data =
+        struct hash_ipportnet6_elem data = {
-                { .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index c4db202b7da4..2aeeabcd5a21 100644
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -131,7 +131,9 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_net4_elem data = { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_net4_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
@@ -296,7 +298,9 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
 {
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_net6_elem data = { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_net6_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index d2a40362dd3a..e50d9bb8820b 100644
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -144,7 +144,8 @@ hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb,
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
        struct hash_netport4_elem data = {
-                .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
@@ -357,7 +358,8 @@ hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb,
        const struct ip_set_hash *h = set->data;
        ipset_adtfn adtfn = set->variant->adt[adt];
        struct hash_netport6_elem data = {
-                .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
        if (data.cidr == 0)
                return -EINVAL;
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index bf28ac2fc99b..782db275ac53 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -776,8 +776,16 @@ static void ip_vs_conn_expire(unsigned long data)
                if (cp->control)
                        ip_vs_control_del(cp);
-                if (cp->flags & IP_VS_CONN_F_NFCT)
+                if (cp->flags & IP_VS_CONN_F_NFCT) {
                        ip_vs_conn_drop_conntrack(cp);
+                        /* Do not access conntracks during subsys cleanup
+                         * because nf_conntrack_find_get can not be used after
+                         * conntrack cleanup for the net.
+                         */
+                        smp_rmb();
+                        if (ipvs->enable)
+                                ip_vs_conn_drop_conntrack(cp);
+                }
                ip_vs_pe_put(cp->pe);
                kfree(cp->pe_data);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index bfa808f4da13..24c28d238dcb 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1772,7 +1772,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET,
                .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 99,
+                .priority       = NF_IP_PRI_NAT_SRC - 2,
        },
        /* After packet filtering, forward packet through VS/DR, VS/TUN,
         * or VS/NAT(change destination), so that filtering rules can be
@@ -1782,7 +1782,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET,
                .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 101,
+                .priority       = NF_IP_PRI_NAT_SRC - 1,
        },
        /* Before ip_vs_in, change source only for VS/NAT */
        {
@@ -1790,7 +1790,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET,
                .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -99,
+                .priority       = NF_IP_PRI_NAT_DST + 1,
        },
        /* After mangle, schedule and forward local requests */
        {
@@ -1798,7 +1798,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET,
                .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -98,
+                .priority       = NF_IP_PRI_NAT_DST + 2,
        },
        /* After packet filtering (but before ip_vs_out_icmp), catch icmp
         * destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1824,7 +1824,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
                .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 99,
+                .priority       = NF_IP6_PRI_NAT_SRC - 2,
        },
        /* After packet filtering, forward packet through VS/DR, VS/TUN,
         * or VS/NAT(change destination), so that filtering rules can be
@@ -1834,7 +1834,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
                .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 101,
+                .priority       = NF_IP6_PRI_NAT_SRC - 1,
        },
        /* Before ip_vs_in, change source only for VS/NAT */
        {
@@ -1842,7 +1842,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET,
                .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -99,
+                .priority       = NF_IP6_PRI_NAT_DST + 1,
        },
        /* After mangle, schedule and forward local requests */
        {
@@ -1850,7 +1850,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                .owner          = THIS_MODULE,
                .pf             = PF_INET6,
                .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -98,
+                .priority       = NF_IP6_PRI_NAT_DST + 2,
        },
        /* After packet filtering (but before ip_vs_out_icmp), catch icmp
         * destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1945,6 +1945,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
 {
        EnterFunction(2);
        net_ipvs(net)->enable = 0;      /* Disable packet reception */
+        smp_wmb();
        __ip_vs_sync_cleanup(net);
        LeaveFunction(2);
 }
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 2e1c11f78419..f7af8b866017 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -850,7 +850,7 @@ resolve_normal_ct(struct net *net, struct nf_conn *tmpl,
        /* It exists; we have (non-exclusive) reference. */
        if (NF_CT_DIRECTION(h) == IP_CT_DIR_REPLY) {
-                *ctinfo = IP_CT_ESTABLISHED + IP_CT_IS_REPLY;
+                *ctinfo = IP_CT_ESTABLISHED_REPLY;
                /* Please set reply bit if this packet OK */
                *set_reply = 1;
        } else {
@@ -922,6 +922,9 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
                        ret = -ret;
                        goto out;
                }
+                /* ICMP[v6] protocol trackers may assign one conntrack. */
+                if (skb->nfct)
+                        goto out;
        }
        ct = resolve_normal_ct(net, tmpl, skb, dataoff, pf, protonum,
@@ -1143,7 +1146,7 @@ static void nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb)
        /* This ICMP is in reverse direction to the packet which caused it */
        ct = nf_ct_get(skb, &ctinfo);
        if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)
-                ctinfo = IP_CT_RELATED + IP_CT_IS_REPLY;
+                ctinfo = IP_CT_RELATED_REPLY;
        else
                ctinfo = IP_CT_RELATED;
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index e17cb7c7dd8f..6f5801eac999 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -368,7 +368,7 @@ static int help(struct sk_buff *skb,
        /* Until there's been traffic both ways, don't look in packets. */
        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+            ctinfo != IP_CT_ESTABLISHED_REPLY) {
                pr_debug("ftp: Conntrackinfo = %u\n", ctinfo);
                return NF_ACCEPT;
        }
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 18b2ce5c8ced..f03c2d4539f6 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -571,10 +571,9 @@ static int h245_help(struct sk_buff *skb, unsigned int protoff,
        int ret;
        /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
                return NF_ACCEPT;
-        }
        pr_debug("nf_ct_h245: skblen = %u\n", skb->len);
        spin_lock_bh(&nf_h323_lock);
@@ -1125,10 +1124,9 @@ static int q931_help(struct sk_buff *skb, unsigned int protoff,
        int ret;
        /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
                return NF_ACCEPT;
-        }
        pr_debug("nf_ct_q931: skblen = %u\n", skb->len);
        spin_lock_bh(&nf_h323_lock);
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index b394aa318776..4f9390b98697 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -125,8 +125,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
                return NF_ACCEPT;
        /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
                return NF_ACCEPT;
        /* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index 088944824e13..2fd4565144de 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -519,8 +519,7 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff,
        u_int16_t msg;
        /* don't do any tracking before tcp handshake complete */
-        if (ctinfo != IP_CT_ESTABLISHED &&
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
                return NF_ACCEPT;
        nexthdr_off = protoff;
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index d9e27734b2a2..8501823b3f9b 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -78,7 +78,7 @@ static int help(struct sk_buff *skb,
        ct_sane_info = &nfct_help(ct)->help.ct_sane_info;
        /* Until there's been traffic both ways, don't look in packets. */
        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED+IP_CT_IS_REPLY)
+            ctinfo != IP_CT_ESTABLISHED_REPLY)
                return NF_ACCEPT;
        /* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index cb5a28581782..93faf6a3a637 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1423,7 +1423,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
        typeof(nf_nat_sip_seq_adjust_hook) nf_nat_sip_seq_adjust;
        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+            ctinfo != IP_CT_ESTABLISHED_REPLY)
                return NF_ACCEPT;
        /* No Data ? */
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index e0ee010935e7..2e7ccbb43ddb 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -456,7 +456,8 @@ __build_packet_message(struct nfulnl_instance *inst,
        if (skb->mark)
                NLA_PUT_BE32(inst->skb, NFULA_MARK, htonl(skb->mark));
-        if (indev && skb->dev) {
+        if (indev && skb->dev &&
+            skb->mac_header != skb->network_header) {
                struct nfulnl_msg_packet_hw phw;
                int len = dev_parse_header(skb, phw.hw_addr);
                if (len > 0) {
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index b83123f12b42..fdd2fafe0a14 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -335,7 +335,8 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
        if (entskb->mark)
                NLA_PUT_BE32(skb, NFQA_MARK, htonl(entskb->mark));
-        if (indev && entskb->dev) {
+        if (indev && entskb->dev &&
+            entskb->mac_header != entskb->network_header) {
                struct nfqnl_msg_packet_hw phw;
                int len = dev_parse_header(entskb, phw.hw_addr);
                if (len) {
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 9cc46356b577..fe39f7e913df 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -143,9 +143,9 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
        ct = nf_ct_get(skb, &ctinfo);
        if (ct && !nf_ct_is_untracked(ct) &&
            ((iph->protocol != IPPROTO_ICMP &&
-              ctinfo == IP_CT_IS_REPLY + IP_CT_ESTABLISHED) ||
+              ctinfo == IP_CT_ESTABLISHED_REPLY) ||
             (iph->protocol == IPPROTO_ICMP &&
-              ctinfo == IP_CT_IS_REPLY + IP_CT_RELATED)) &&
+              ctinfo == IP_CT_RELATED_REPLY)) &&
            (ct->status & IPS_SRC_NAT_DONE)) {
                daddr = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ba248d93399a..c0c3cda19712 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -804,6 +804,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
                } else {
                        h.h2->tp_vlan_tci = 0;
                }
+                h.h2->tp_padding = 0;
                hdrlen = sizeof(*h.h2);
                break;
        default:
@@ -1736,6 +1737,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
                } else {
                        aux.tp_vlan_tci = 0;
                }
+                aux.tp_padding = 0;
                put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
        }
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b1721d71c27c..b4c680900d7a 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -251,9 +251,8 @@ static void dev_watchdog(unsigned long arg)
                        }
                        if (some_queue_timedout) {
-                                char drivername[64];
                                WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n",
-                                       dev->name, netdev_drivername(dev, drivername, 64), i);
+                                       dev->name, netdev_drivername(dev), i);
                                dev->netdev_ops->ndo_tx_timeout(dev);
                        }
                        if (!mod_timer(&dev->watchdog_timer,
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 67380a29e2e9..207175b2f40a 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1058,7 +1058,6 @@ SCTP_STATIC __init int sctp_init(void)
        int status = -EINVAL;
        unsigned long goal;
        unsigned long limit;
-        unsigned long nr_pages;
        int max_share;
        int order;
@@ -1148,15 +1147,7 @@ SCTP_STATIC __init int sctp_init(void)
        /* Initialize handle used for association ids. */
        idr_init(&sctp_assocs_id);
-        /* Set the pressure threshold to be a fraction of global memory that
+        limit = nr_free_buffer_pages() / 8;
-         * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-         * memory, with a floor of 128 pages.
-         * Note this initializes the data in sctpv6_prot too
-         * Unabashedly stolen from tcp_init
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
        limit = max(limit, 128UL);
        sysctl_sctp_mem[0] = limit / 4 * 3;
        sysctl_sctp_mem[1] = limit;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6766913a53e6..08c6238802de 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2073,10 +2073,33 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
                                  unsigned int optlen)
 {
+        struct sctp_association *asoc;
+        struct sctp_ulpevent *event;
        if (optlen > sizeof(struct sctp_event_subscribe))
                return -EINVAL;
        if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
                return -EFAULT;
+        /*
+         * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT,
+         * if there is no data to be sent or retransmit, the stack will
+         * immediately send up this notification.
+         */
+        if (sctp_ulpevent_type_enabled(SCTP_SENDER_DRY_EVENT,
+                                       &sctp_sk(sk)->subscribe)) {
+                asoc = sctp_id2assoc(sk, 0);
+                if (asoc && sctp_outq_is_empty(&asoc->outqueue)) {
+                        event = sctp_ulpevent_make_sender_dry_event(asoc,
+                                        GFP_ATOMIC);
+                        if (!event)
+                                return -ENOMEM;
+                        sctp_ulpq_tail_event(&asoc->ulpq, event);
+                }
+        }
        return 0;
 }
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 339ba64cce1e..5daf6cc4faea 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -577,13 +577,13 @@ retry:
        }
        inode = &gss_msg->inode->vfs_inode;
        for (;;) {
-                prepare_to_wait(&gss_msg->waitqueue, &wait, TASK_INTERRUPTIBLE);
+                prepare_to_wait(&gss_msg->waitqueue, &wait, TASK_KILLABLE);
                spin_lock(&inode->i_lock);
                if (gss_msg->ctx != NULL || gss_msg->msg.errno < 0) {
                        break;
                }
                spin_unlock(&inode->i_lock);
-                if (signalled()) {
+                if (fatal_signal_pending(current)) {
                        err = -ERESTARTSYS;
                        goto out_intr;
                }
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 0a9a2ec2e469..c3b75333b821 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -43,6 +43,7 @@
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/sunrpc/xdr.h>
 #include <linux/crypto.h>
+#include <linux/sunrpc/gss_krb5_enctypes.h>
 #ifdef RPC_DEBUG
 # define RPCDBG_FACILITY        RPCDBG_AUTH
@@ -750,7 +751,7 @@ static struct gss_api_mech gss_kerberos_mech = {
        .gm_ops         = &gss_kerberos_ops,
        .gm_pf_num      = ARRAY_SIZE(gss_kerberos_pfs),
        .gm_pfs         = gss_kerberos_pfs,
-        .gm_upcall_enctypes = "18,17,16,23,3,1,2",
+        .gm_upcall_enctypes = KRB5_SUPPORTED_ENCTYPES,
 };
 static int __init init_kerberos_module(void)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index b84d7395535e..8c9141583d6f 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1061,7 +1061,7 @@ call_allocate(struct rpc_task *task)
        dprintk("RPC: %5u rpc_buffer allocation failed\n", task->tk_pid);
-        if (RPC_IS_ASYNC(task) || !signalled()) {
+        if (RPC_IS_ASYNC(task) || !fatal_signal_pending(current)) {
                task->tk_action = call_allocate;
                rpc_delay(task, HZ>>4);
                return;
@@ -1175,6 +1175,9 @@ call_bind_status(struct rpc_task *task)
                        status = -EOPNOTSUPP;
                        break;
                }
+                if (task->tk_rebind_retry == 0)
+                        break;
+                task->tk_rebind_retry--;
                rpc_delay(task, 3*HZ);
                goto retry_timeout;
        case -ETIMEDOUT:
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 6b43ee7221d5..a27406b1654f 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -792,6 +792,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
        /* Initialize retry counters */
        task->tk_garb_retry = 2;
        task->tk_cred_retry = 2;
+        task->tk_rebind_retry = 2;
        task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW;
        task->tk_owner = current->tgid;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 88a565f130a5..f07602d7bf68 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3406,11 +3406,11 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
        i = 0;
        if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
                nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) {
-                        request->ssids[i].ssid_len = nla_len(attr);
+                        if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
-                        if (request->ssids[i].ssid_len > IEEE80211_MAX_SSID_LEN) {
                                err = -EINVAL;
                                goto out_free;
                        }
+                        request->ssids[i].ssid_len = nla_len(attr);
                        memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr));
                        i++;
                }
@@ -3572,12 +3572,11 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
        if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) {
                nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS],
                                    tmp) {
-                        request->ssids[i].ssid_len = nla_len(attr);
+                        if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) {
-                        if (request->ssids[i].ssid_len >
-                            IEEE80211_MAX_SSID_LEN) {
                                err = -EINVAL;
                                goto out_free;
                        }
+                        request->ssids[i].ssid_len = nla_len(attr);
                        memcpy(request->ssids[i].ssid, nla_data(attr),
                               nla_len(attr));
                        i++;
@@ -6464,7 +6463,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
        if (addr)
                NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
        NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, key_type);
-        NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
+        if (key_id != -1)
+                NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_id);
        if (tsc)
                NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, 6, tsc);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9bec2e8a838c..5ce74a385525 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -50,7 +50,7 @@ static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
 static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
 static void xfrm_init_pmtu(struct dst_entry *dst);
 static int stale_bundle(struct dst_entry *dst);
-static int xfrm_bundle_ok(struct xfrm_dst *xdst, int family);
+static int xfrm_bundle_ok(struct xfrm_dst *xdst);
 static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
@@ -2241,7 +2241,7 @@ static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
 static int stale_bundle(struct dst_entry *dst)
 {
-        return !xfrm_bundle_ok((struct xfrm_dst *)dst, AF_UNSPEC);
+        return !xfrm_bundle_ok((struct xfrm_dst *)dst);
 }
 void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
@@ -2313,7 +2313,7 @@ static void xfrm_init_pmtu(struct dst_entry *dst)
 * still valid.
 */
-static int xfrm_bundle_ok(struct xfrm_dst *first, int family)
+static int xfrm_bundle_ok(struct xfrm_dst *first)
 {
        struct dst_entry *dst = &first->u.dst;
        struct xfrm_dst *last;
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 47f1b8638df9..b11ea692bd7d 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -265,7 +265,7 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq)
                        bitnr = bitnr & 0x1F;
                        replay_esn->bmp[nr] |= (1U << bitnr);
                } else {
-                        nr = replay_esn->replay_window >> 5;
+                        nr = (replay_esn->replay_window - 1) >> 5;
                        for (i = 0; i <= nr; i++)
                                replay_esn->bmp[i] = 0;
@@ -471,7 +471,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
                        bitnr = bitnr & 0x1F;
                        replay_esn->bmp[nr] |= (1U << bitnr);
                } else {
-                        nr = replay_esn->replay_window >> 5;
+                        nr = (replay_esn->replay_window - 1) >> 5;
                        for (i = 0; i <= nr; i++)
                                replay_esn->bmp[i] = 0;