20 files changed, 147 insertions, 81 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 29b846cbfb48..02d9ae7d527e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -764,8 +764,8 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
        struct net_device *bond_dev, *vlan_dev, *upper_dev;
        struct vlan_entry *vlan;
-        rcu_read_lock();
        read_lock(&bond->lock);
+        rcu_read_lock();
        bond_dev = bond->dev;
@@ -787,12 +787,19 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
                if (vlan_dev)
                        __bond_resend_igmp_join_requests(vlan_dev);
        }
+        rcu_read_unlock();
-        if (--bond->igmp_retrans > 0)
+        /* We use curr_slave_lock to protect against concurrent access to
+         * igmp_retrans from multiple running instances of this function and
+         * bond_change_active_slave
+         */
+        write_lock_bh(&bond->curr_slave_lock);
+        if (bond->igmp_retrans > 1) {
+                bond->igmp_retrans--;
                queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
+        }
+        write_unlock_bh(&bond->curr_slave_lock);
        read_unlock(&bond->lock);
-        rcu_read_unlock();
 }
 static void bond_resend_igmp_join_requests_delayed(struct work_struct *work)
@@ -1957,6 +1964,10 @@ err_free:
 err_undo_flags:
        bond_compute_features(bond);
+        /* Enslave of first slave has failed and we need to fix master's mac */
+        if (bond->slave_cnt == 0 &&
+            ether_addr_equal(bond_dev->dev_addr, slave_dev->dev_addr))
+                eth_hw_addr_random(bond_dev);
        return res;
 }
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 2baec24388b1..f989e1529a29 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -225,7 +225,7 @@ struct bonding {
        rwlock_t curr_slave_lock;
        u8       send_peer_notif;
        s8       setup_by_slave;
-        s8       igmp_retrans;
+        u8       igmp_retrans;
 #ifdef CONFIG_PROC_FS
        struct   proc_dir_entry *proc_entry;
        char     proc_file_name[IFNAMSIZ];
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 0f493c8dc28b..c777b9013164 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1800,6 +1800,9 @@ static int tg3_poll_fw(struct tg3 *tp)
        int i;
        u32 val;
+        if (tg3_flag(tp, NO_FWARE_REPORTED))
+                return 0;
        if (tg3_flag(tp, IS_SSB_CORE)) {
                /* We don't use firmware. */
                return 0;
@@ -10404,6 +10407,13 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy)
 */
 static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
 {
+        /* Chip may have been just powered on. If so, the boot code may still
+         * be running initialization. Wait for it to finish to avoid races in
+         * accessing the hardware.
+         */
+        tg3_enable_register_access(tp);
+        tg3_poll_fw(tp);
        tg3_switch_clocks(tp);
        tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
diff --git a/drivers/net/ethernet/dec/tulip/interrupt.c b/drivers/net/ethernet/dec/tulip/interrupt.c
index 28a5e425fecf..92306b320840 100644
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -76,6 +76,12 @@ int tulip_refill_rx(struct net_device *dev)
                        mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
                                                 PCI_DMA_FROMDEVICE);
+                        if (dma_mapping_error(&tp->pdev->dev, mapping)) {
+                                dev_kfree_skb(skb);
+                                tp->rx_buffers[entry].skb = NULL;
+                                break;
+                        }
                        tp->rx_buffers[entry].mapping = mapping;
                        tp->rx_ring[entry].buffer1 = cpu_to_le32(mapping);
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 8bc1b21b1c79..a0b4be51f0d1 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4262,6 +4262,9 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id)
                netdev->features |= NETIF_F_HIGHDMA;
        } else {
                status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+                if (!status)
+                        status = dma_set_coherent_mask(&pdev->dev,
+                                                       DMA_BIT_MASK(32));
                if (status) {
                        dev_err(&pdev->dev, "Could not set PCI DMA Mask\n");
                        goto free_netdev;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index b4479b5aaee4..5e3982fc5398 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1401,16 +1401,23 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status)
                desc_status = edmac_to_cpu(mdp, rxdesc->status);
                pkt_len = rxdesc->frame_length;
-#if defined(CONFIG_ARCH_R8A7740)
-                desc_status >>= 16;
-#endif
                if (--boguscnt < 0)
                        break;
                if (!(desc_status & RDFEND))
                        ndev->stats.rx_length_errors++;
+#if defined(CONFIG_ARCH_R8A7740)
+                /*
+                 * In case of almost all GETHER/ETHERs, the Receive Frame State
+                 * (RFS) bits in the Receive Descriptor 0 are from bit 9 to
+                 * bit 0. However, in case of the R8A7740's GETHER, the RFS
+                 * bits are from bit 25 to bit 16. So, the driver needs right
+                 * shifting by 16.
+                 */
+                desc_status >>= 16;
+#endif
                if (desc_status & (RD_RFS1 | RD_RFS2 | RD_RFS3 | RD_RFS4 |
                                   RD_RFS5 | RD_RFS6 | RD_RFS10)) {
                        ndev->stats.rx_errors++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 618446ae1ec1..ee919ca8b8a0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1899,7 +1899,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 #ifdef STMMAC_XMIT_DEBUG
        if (netif_msg_pktdata(priv)) {
-                pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d"
+                pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d",
                        __func__, (priv->cur_tx % txsize),
                        (priv->dirty_tx % txsize), entry, first, nfrags);
                if (priv->extend_desc)
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index b2275d1b19b3..c47f0dbcebb5 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -459,15 +459,12 @@ static int davinci_mdio_suspend(struct device *dev)
 static int davinci_mdio_resume(struct device *dev)
 {
        struct davinci_mdio_data *data = dev_get_drvdata(dev);
-        u32 ctrl;
        pm_runtime_get_sync(data->dev);
        spin_lock(&data->lock);
        /* restart the scan state machine */
-        ctrl = __raw_readl(&data->regs->control);
+        __davinci_mdio_reset(data);
-        ctrl |= CONTROL_ENABLE;
-        __raw_writel(ctrl, &data->regs->control);
        data->suspended = false;
        spin_unlock(&data->lock);
@@ -476,8 +473,8 @@ static int davinci_mdio_resume(struct device *dev)
 }
 static const struct dev_pm_ops davinci_mdio_pm_ops = {
-        .suspend        = davinci_mdio_suspend,
+        .suspend_late   = davinci_mdio_suspend,
-        .resume         = davinci_mdio_resume,
+        .resume_early   = davinci_mdio_resume,
 };
 static const struct of_device_id davinci_mdio_of_mtable[] = {
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1c502bb0c916..6e91931a1c2c 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -853,18 +853,24 @@ static int macvlan_changelink(struct net_device *dev,
                struct nlattr *tb[], struct nlattr *data[])
 {
        struct macvlan_dev *vlan = netdev_priv(dev);
-        if (data && data[IFLA_MACVLAN_MODE])
-                vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
        if (data && data[IFLA_MACVLAN_FLAGS]) {
                __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]);
                bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC;
+                if (vlan->port->passthru && promisc) {
-                if (promisc && (flags & MACVLAN_FLAG_NOPROMISC))
+                        int err;
-                        dev_set_promiscuity(vlan->lowerdev, -1);
-                else if (promisc && !(flags & MACVLAN_FLAG_NOPROMISC))
+                        if (flags & MACVLAN_FLAG_NOPROMISC)
-                        dev_set_promiscuity(vlan->lowerdev, 1);
+                                err = dev_set_promiscuity(vlan->lowerdev, -1);
+                        else
+                                err = dev_set_promiscuity(vlan->lowerdev, 1);
+                        if (err < 0)
+                                return err;
+                }
                vlan->flags = flags;
        }
+        if (data && data[IFLA_MACVLAN_MODE])
+                vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]);
        return 0;
 }
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 37984e6d4e99..8c20935d72c9 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -662,7 +662,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
 {
        struct xenvif *vif = NULL, *tmp;
        s8 status;
-        u16 irq, flags;
+        u16 flags;
        struct xen_netif_rx_response *resp;
        struct sk_buff_head rxq;
        struct sk_buff *skb;
@@ -771,13 +771,13 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
                                         sco->meta_slots_used);
                RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&vif->rx, ret);
-                irq = vif->irq;
-                if (ret && list_empty(&vif->notify_list))
-                        list_add_tail(&vif->notify_list, &notify);
                xenvif_notify_tx_completion(vif);
-                xenvif_put(vif);
+                if (ret && list_empty(&vif->notify_list))
+                        list_add_tail(&vif->notify_list, &notify);
+                else
+                        xenvif_put(vif);
                npo.meta_cons += sco->meta_slots_used;
                dev_kfree_skb(skb);
        }
@@ -785,6 +785,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk)
        list_for_each_entry_safe(vif, tmp, &notify, notify_list) {
                notify_remote_via_irq(vif->irq);
                list_del_init(&vif->notify_list);
+                xenvif_put(vif);
        }
        /* More work to do? */
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 4ffa66c87ea5..9ca3996f65b2 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -2040,6 +2040,7 @@ static struct net_device *netiucv_init_netdevice(char *username, char *userdata)
                           netiucv_setup_netdevice);
        if (!dev)
                return NULL;
+        rtnl_lock();
        if (dev_alloc_name(dev, dev->name) < 0)
                goto out_netdev;
@@ -2061,6 +2062,7 @@ static struct net_device *netiucv_init_netdevice(char *username, char *userdata)
 out_fsm:
        kfree_fsm(privptr->fsm);
 out_netdev:
+        rtnl_unlock();
        free_netdev(dev);
        return NULL;
 }
@@ -2100,6 +2102,7 @@ static ssize_t conn_write(struct device_driver *drv,
        rc = netiucv_register_device(dev);
        if (rc) {
+                rtnl_unlock();
                IUCV_DBF_TEXT_(setup, 2,
                        "ret %d from netiucv_register_device\n", rc);
                goto out_free_ndev;
@@ -2109,7 +2112,8 @@ static ssize_t conn_write(struct device_driver *drv,
        priv = netdev_priv(dev);
        SET_NETDEV_DEV(dev, priv->dev);
-        rc = register_netdev(dev);
+        rc = register_netdevice(dev);
+        rtnl_unlock();
        if (rc)
                goto out_unreg;
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 4b6f0b28f41f..09b1360e10bf 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -95,10 +95,10 @@ struct ip_tunnel_net {
 int ip_tunnel_init(struct net_device *dev);
 void ip_tunnel_uninit(struct net_device *dev);
 void  ip_tunnel_dellink(struct net_device *dev, struct list_head *head);
-int __net_init ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
+int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
-                                  struct rtnl_link_ops *ops, char *devname);
+                       struct rtnl_link_ops *ops, char *devname);
-void __net_exit ip_tunnel_delete_net(struct ip_tunnel_net *itn);
+void ip_tunnel_delete_net(struct ip_tunnel_net *itn);
 void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
                    const struct iphdr *tnl_params);
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 071f288b77a8..f680ee101878 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -29,6 +29,21 @@
 #include "bat_algo.h"
 #include "network-coding.h"
+/**
+ * batadv_dup_status - duplicate status
+ * @BATADV_NO_DUP: the packet is a duplicate
+ * @BATADV_ORIG_DUP: OGM is a duplicate in the originator (but not for the
+ *  neighbor)
+ * @BATADV_NEIGH_DUP: OGM is a duplicate for the neighbor
+ * @BATADV_PROTECTED: originator is currently protected (after reboot)
+ */
+enum batadv_dup_status {
+        BATADV_NO_DUP = 0,
+        BATADV_ORIG_DUP,
+        BATADV_NEIGH_DUP,
+        BATADV_PROTECTED,
+};
 static struct batadv_neigh_node *
 batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
                        const uint8_t *neigh_addr,
@@ -650,7 +665,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
                          const struct batadv_ogm_packet *batadv_ogm_packet,
                          struct batadv_hard_iface *if_incoming,
                          const unsigned char *tt_buff,
-                          int is_duplicate)
+                          enum batadv_dup_status dup_status)
 {
        struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
        struct batadv_neigh_node *router = NULL;
@@ -676,7 +691,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
                        continue;
                }
-                if (is_duplicate)
+                if (dup_status != BATADV_NO_DUP)
                        continue;
                spin_lock_bh(&tmp_neigh_node->lq_update_lock);
@@ -718,7 +733,7 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
        neigh_node->tq_avg = batadv_ring_buffer_avg(neigh_node->tq_recv);
        spin_unlock_bh(&neigh_node->lq_update_lock);
-        if (!is_duplicate) {
+        if (dup_status == BATADV_NO_DUP) {
                orig_node->last_ttl = batadv_ogm_packet->header.ttl;
                neigh_node->last_ttl = batadv_ogm_packet->header.ttl;
        }
@@ -902,15 +917,16 @@ out:
        return ret;
 }
-/* processes a batman packet for all interfaces, adjusts the sequence number and
+/**
- * finds out whether it is a duplicate.
+ * batadv_iv_ogm_update_seqnos -  process a batman packet for all interfaces,
- * returns:
+ *  adjust the sequence number and find out whether it is a duplicate
- *   1 the packet is a duplicate
+ * @ethhdr: ethernet header of the packet
- *   0 the packet has not yet been received
+ * @batadv_ogm_packet: OGM packet to be considered
- *  -1 the packet is old and has been received while the seqno window
+ * @if_incoming: interface on which the OGM packet was received
- *     was protected. Caller should drop it.
+ *
+ * Returns duplicate status as enum batadv_dup_status
 */
-static int
+static enum batadv_dup_status
 batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
                            const struct batadv_ogm_packet *batadv_ogm_packet,
                            const struct batadv_hard_iface *if_incoming)
@@ -918,17 +934,18 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
        struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
        struct batadv_orig_node *orig_node;
        struct batadv_neigh_node *tmp_neigh_node;
-        int is_duplicate = 0;
+        int is_dup;
        int32_t seq_diff;
        int need_update = 0;
-        int set_mark, ret = -1;
+        int set_mark;
+        enum batadv_dup_status ret = BATADV_NO_DUP;
        uint32_t seqno = ntohl(batadv_ogm_packet->seqno);
        uint8_t *neigh_addr;
        uint8_t packet_count;
        orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig);
        if (!orig_node)
-                return 0;
+                return BATADV_NO_DUP;
        spin_lock_bh(&orig_node->ogm_cnt_lock);
        seq_diff = seqno - orig_node->last_real_seqno;
@@ -936,22 +953,29 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
        /* signalize caller that the packet is to be dropped. */
        if (!hlist_empty(&orig_node->neigh_list) &&
            batadv_window_protected(bat_priv, seq_diff,
-                                    &orig_node->batman_seqno_reset))
+                                    &orig_node->batman_seqno_reset)) {
+                ret = BATADV_PROTECTED;
                goto out;
+        }
        rcu_read_lock();
        hlist_for_each_entry_rcu(tmp_neigh_node,
                                 &orig_node->neigh_list, list) {
-                is_duplicate |= batadv_test_bit(tmp_neigh_node->real_bits,
-                                                orig_node->last_real_seqno,
-                                                seqno);
                neigh_addr = tmp_neigh_node->addr;
+                is_dup = batadv_test_bit(tmp_neigh_node->real_bits,
+                                         orig_node->last_real_seqno,
+                                         seqno);
                if (batadv_compare_eth(neigh_addr, ethhdr->h_source) &&
-                    tmp_neigh_node->if_incoming == if_incoming)
+                    tmp_neigh_node->if_incoming == if_incoming) {
                        set_mark = 1;
-                else
+                        if (is_dup)
+                                ret = BATADV_NEIGH_DUP;
+                } else {
                        set_mark = 0;
+                        if (is_dup && (ret != BATADV_NEIGH_DUP))
+                                ret = BATADV_ORIG_DUP;
+                }
                /* if the window moved, set the update flag. */
                need_update |= batadv_bit_get_packet(bat_priv,
@@ -971,8 +995,6 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
                orig_node->last_real_seqno = seqno;
        }
-        ret = is_duplicate;
 out:
        spin_unlock_bh(&orig_node->ogm_cnt_lock);
        batadv_orig_node_free_ref(orig_node);
@@ -994,7 +1016,8 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
        int is_broadcast = 0, is_bidirect;
        bool is_single_hop_neigh = false;
        bool is_from_best_next_hop = false;
-        int is_duplicate, sameseq, simlar_ttl;
+        int sameseq, similar_ttl;
+        enum batadv_dup_status dup_status;
        uint32_t if_incoming_seqno;
        uint8_t *prev_sender;
@@ -1138,10 +1161,10 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
        if (!orig_node)
                return;
-        is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batadv_ogm_packet,
+        dup_status = batadv_iv_ogm_update_seqnos(ethhdr, batadv_ogm_packet,
-                                                   if_incoming);
+                                                 if_incoming);
-        if (is_duplicate == -1) {
+        if (dup_status == BATADV_PROTECTED) {
                batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
                           "Drop packet: packet within seqno protection time (sender: %pM)\n",
                           ethhdr->h_source);
@@ -1211,11 +1234,12 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
         * seqno and similar ttl as the non-duplicate
         */
        sameseq = orig_node->last_real_seqno == ntohl(batadv_ogm_packet->seqno);
-        simlar_ttl = orig_node->last_ttl - 3 <= batadv_ogm_packet->header.ttl;
+        similar_ttl = orig_node->last_ttl - 3 <= batadv_ogm_packet->header.ttl;
-        if (is_bidirect && (!is_duplicate || (sameseq && simlar_ttl)))
+        if (is_bidirect && ((dup_status == BATADV_NO_DUP) ||
+                            (sameseq && similar_ttl)))
                batadv_iv_ogm_orig_update(bat_priv, orig_node, ethhdr,
                                          batadv_ogm_packet, if_incoming,
-                                          tt_buff, is_duplicate);
+                                          tt_buff, dup_status);
        /* is single hop (direct) neighbor */
        if (is_single_hop_neigh) {
@@ -1236,7 +1260,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr,
                goto out_neigh;
        }
-        if (is_duplicate) {
+        if (dup_status == BATADV_NEIGH_DUP) {
                batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
                           "Drop packet: duplicate packet received\n");
                goto out_neigh;
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 379061c72549..de27b3175cfd 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -1067,6 +1067,10 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
        group = htons(crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN));
        bat_priv->bla.claim_dest.group = group;
+        /* purge everything when bridge loop avoidance is turned off */
+        if (!atomic_read(&bat_priv->bridge_loop_avoidance))
+                oldif = NULL;
        if (!oldif) {
                batadv_bla_purge_claims(bat_priv, NULL, 1);
                batadv_bla_purge_backbone_gw(bat_priv, 1);
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index 15a22efa9a67..929e304dacb2 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -582,10 +582,7 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj,
            (strncmp(hard_iface->soft_iface->name, buff, IFNAMSIZ) == 0))
                goto out;
-        if (!rtnl_trylock()) {
+        rtnl_lock();
-                ret = -ERESTARTSYS;
-                goto out;
-        }
        if (status_tmp == BATADV_IF_NOT_IN_USE) {
                batadv_hardif_disable_interface(hard_iface,
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index be2f8da0ae8e..7fa8f08fa7ae 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -853,7 +853,7 @@ void ip_tunnel_dellink(struct net_device *dev, struct list_head *head)
 }
 EXPORT_SYMBOL_GPL(ip_tunnel_dellink);
-int __net_init ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
+int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
                                  struct rtnl_link_ops *ops, char *devname)
 {
        struct ip_tunnel_net *itn = net_generic(net, ip_tnl_net_id);
@@ -899,7 +899,7 @@ static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head)
                unregister_netdevice_queue(itn->fb_tunnel_dev, head);
 }
-void __net_exit ip_tunnel_delete_net(struct ip_tunnel_net *itn)
+void ip_tunnel_delete_net(struct ip_tunnel_net *itn)
 {
        LIST_HEAD(list);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 9d2bdb2c1d3f..c118f6b576bb 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -361,8 +361,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                        tunnel->err_count = 0;
        }
-        IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
+        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
-                              IPSKB_REROUTED);
        skb_dst_drop(skb);
        skb_dst_set(skb, &rt->dst);
        nf_reset(skb);
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 637a341c1e2d..8dec6876dc50 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -346,19 +346,19 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
        skb_put(skb, 2);
        /* Copy user data into skb */
-        error = memcpy_fromiovec(skb->data, m->msg_iov, total_len);
+        error = memcpy_fromiovec(skb_put(skb, total_len), m->msg_iov,
+                                 total_len);
        if (error < 0) {
                kfree_skb(skb);
                goto error_put_sess_tun;
        }
-        skb_put(skb, total_len);
        l2tp_xmit_skb(session, skb, session->hdr_len);
        sock_put(ps->tunnel_sock);
        sock_put(sk);
-        return error;
+        return total_len;
 error_put_sess_tun:
        sock_put(ps->tunnel_sock);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 8ec1bca7f859..20a1bd0e6549 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2851,12 +2851,11 @@ static int packet_getname_spkt(struct socket *sock, struct sockaddr *uaddr,
                return -EOPNOTSUPP;
        uaddr->sa_family = AF_PACKET;
+        memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data));
        rcu_read_lock();
        dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
        if (dev)
-                strncpy(uaddr->sa_data, dev->name, 14);
+                strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
-        else
-                memset(uaddr->sa_data, 0, 14);
        rcu_read_unlock();
        *uaddr_len = sizeof(*uaddr);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 32a4625fef77..be35e2dbcc9a 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -206,6 +206,8 @@ static inline int sctp_cacc_skip(struct sctp_transport *primary,
 */
 void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
 {
+        memset(q, 0, sizeof(struct sctp_outq));
        q->asoc = asoc;
        INIT_LIST_HEAD(&q->out_chunk_list);
        INIT_LIST_HEAD(&q->control_chunk_list);
@@ -213,11 +215,7 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
        INIT_LIST_HEAD(&q->sacked);
        INIT_LIST_HEAD(&q->abandoned);
-        q->fast_rtx = 0;
-        q->outstanding_bytes = 0;
        q->empty = 1;
-        q->cork  = 0;
-        q->out_qlen = 0;
 }
 /* Free the outqueue structure and any related pending chunks.