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-rw-r--r--net/8021q/vlan.c1
-rw-r--r--net/8021q/vlan_dev.c52
-rw-r--r--net/batman-adv/bat_iv_ogm.c2
-rw-r--r--net/batman-adv/distributed-arp-table.c3
-rw-r--r--net/batman-adv/fragmentation.c11
-rw-r--r--net/batman-adv/gateway_client.c11
-rw-r--r--net/batman-adv/hard-interface.c2
-rw-r--r--net/batman-adv/multicast.c6
-rw-r--r--net/batman-adv/originator.c62
-rw-r--r--net/bluetooth/hci_conn.c9
-rw-r--r--net/bluetooth/hci_event.c6
-rw-r--r--net/bluetooth/l2cap_core.c4
-rw-r--r--net/bridge/br_fdb.c8
-rw-r--r--net/bridge/br_input.c4
-rw-r--r--net/bridge/br_netfilter.c4
-rw-r--r--net/bridge/br_netlink.c15
-rw-r--r--net/bridge/br_private.h7
-rw-r--r--net/bridge/br_vlan.c28
-rw-r--r--net/can/gw.c4
-rw-r--r--net/ceph/messenger.c20
-rw-r--r--net/ceph/osdmap.c14
-rw-r--r--net/core/dev.c133
-rw-r--r--net/core/filter.c23
-rw-r--r--net/core/neighbour.c4
-rw-r--r--net/core/net_namespace.c2
-rw-r--r--net/core/rtnetlink.c86
-rw-r--r--net/core/skbuff.c4
-rw-r--r--net/core/sock.c49
-rw-r--r--net/core/sock_diag.c4
-rw-r--r--net/core/utils.c8
-rw-r--r--net/dcb/dcbnl.c2
-rw-r--r--net/decnet/dn_dev.c4
-rw-r--r--net/decnet/dn_fib.c4
-rw-r--r--net/decnet/netfilter/dn_rtmsg.c2
-rw-r--r--net/dsa/dsa.c3
-rw-r--r--net/ipv4/af_inet.c36
-rw-r--r--net/ipv4/fib_semantics.c2
-rw-r--r--net/ipv4/inet_connection_sock.c8
-rw-r--r--net/ipv4/ip_forward.c54
-rw-r--r--net/ipv4/ip_fragment.c5
-rw-r--r--net/ipv4/ip_output.c51
-rw-r--r--net/ipv4/ip_tunnel.c6
-rw-r--r--net/ipv4/ip_vti.c5
-rw-r--r--net/ipv4/netfilter/nf_defrag_ipv4.c5
-rw-r--r--net/ipv4/ping.c6
-rw-r--r--net/ipv4/route.c2
-rw-r--r--net/ipv4/sysctl_net_ipv4.c42
-rw-r--r--net/ipv4/tcp_cubic.c2
-rw-r--r--net/ipv4/tcp_input.c11
-rw-r--r--net/ipv4/tcp_output.c14
-rw-r--r--net/ipv4/xfrm4_output.c32
-rw-r--r--net/ipv4/xfrm4_protocol.c19
-rw-r--r--net/ipv6/ip6_fib.c3
-rw-r--r--net/ipv6/ip6_offload.c6
-rw-r--r--net/ipv6/ip6_output.c8
-rw-r--r--net/ipv6/ip6_tunnel.c2
-rw-r--r--net/ipv6/ip6_vti.c8
-rw-r--r--net/ipv6/ip6mr.c2
-rw-r--r--net/ipv6/ndisc.c7
-rw-r--r--net/ipv6/netfilter.c6
-rw-r--r--net/ipv6/netfilter/ip6t_rpfilter.c1
-rw-r--r--net/ipv6/output_core.c11
-rw-r--r--net/ipv6/route.c26
-rw-r--r--net/ipv6/tcpv6_offload.c2
-rw-r--r--net/ipv6/xfrm6_output.c22
-rw-r--r--net/ipv6/xfrm6_protocol.c11
-rw-r--r--net/iucv/af_iucv.c2
-rw-r--r--net/mac80211/ieee80211_i.h1
-rw-r--r--net/mac80211/mlme.c20
-rw-r--r--net/mac80211/offchannel.c27
-rw-r--r--net/mac80211/rx.c3
-rw-r--r--net/mac80211/sta_info.c3
-rw-r--r--net/mac80211/status.c5
-rw-r--r--net/mac80211/trace.h4
-rw-r--r--net/mac80211/util.c2
-rw-r--r--net/mac80211/vht.c9
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c15
-rw-r--r--net/netfilter/nf_conntrack_netlink.c3
-rw-r--r--net/netfilter/nf_tables_core.c49
-rw-r--r--net/netfilter/nfnetlink.c11
-rw-r--r--net/netlink/af_netlink.c80
-rw-r--r--net/netlink/genetlink.c2
-rw-r--r--net/packet/diag.c7
-rw-r--r--net/phonet/pn_netlink.c8
-rw-r--r--net/rxrpc/ar-key.c2
-rw-r--r--net/sched/act_api.c2
-rw-r--r--net/sched/cls_api.c2
-rw-r--r--net/sched/cls_tcindex.c30
-rw-r--r--net/sched/sch_api.c6
-rw-r--r--net/sched/sch_hhf.c11
-rw-r--r--net/sctp/protocol.c7
-rw-r--r--net/sctp/sm_sideeffect.c7
-rw-r--r--net/tipc/netlink.c2
-rw-r--r--net/vmw_vsock/af_vsock.c47
-rw-r--r--net/wireless/scan.c12
-rw-r--r--net/wireless/sme.c2
-rw-r--r--net/xfrm/xfrm_user.c2
97 files changed, 956 insertions, 443 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 175273f38cb..44ebd5c2cd4 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -169,6 +169,7 @@ int register_vlan_dev(struct net_device *dev)
if (err < 0)
goto out_uninit_mvrp;
+ vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1;
err = register_netdevice(dev);
if (err < 0)
goto out_uninit_mvrp;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 733ec283ed1..019efb79708 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -493,48 +493,10 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
}
}
-static int vlan_calculate_locking_subclass(struct net_device *real_dev)
-{
- int subclass = 0;
-
- while (is_vlan_dev(real_dev)) {
- subclass++;
- real_dev = vlan_dev_priv(real_dev)->real_dev;
- }
-
- return subclass;
-}
-
-static void vlan_dev_mc_sync(struct net_device *to, struct net_device *from)
-{
- int err = 0, subclass;
-
- subclass = vlan_calculate_locking_subclass(to);
-
- spin_lock_nested(&to->addr_list_lock, subclass);
- err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len);
- if (!err)
- __dev_set_rx_mode(to);
- spin_unlock(&to->addr_list_lock);
-}
-
-static void vlan_dev_uc_sync(struct net_device *to, struct net_device *from)
-{
- int err = 0, subclass;
-
- subclass = vlan_calculate_locking_subclass(to);
-
- spin_lock_nested(&to->addr_list_lock, subclass);
- err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
- if (!err)
- __dev_set_rx_mode(to);
- spin_unlock(&to->addr_list_lock);
-}
-
static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
{
- vlan_dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
- vlan_dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+ dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+ dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
}
/*
@@ -562,6 +524,11 @@ static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
}
+static int vlan_dev_get_lock_subclass(struct net_device *dev)
+{
+ return vlan_dev_priv(dev)->nest_level;
+}
+
static const struct header_ops vlan_header_ops = {
.create = vlan_dev_hard_header,
.rebuild = vlan_dev_rebuild_header,
@@ -597,7 +564,6 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- int subclass = 0;
netif_carrier_off(dev);
@@ -646,8 +612,7 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
- subclass = vlan_calculate_locking_subclass(dev);
- vlan_dev_set_lockdep_class(dev, subclass);
+ vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
@@ -819,6 +784,7 @@ static const struct net_device_ops vlan_netdev_ops = {
.ndo_netpoll_cleanup = vlan_dev_netpoll_cleanup,
#endif
.ndo_fix_features = vlan_dev_fix_features,
+ .ndo_get_lock_subclass = vlan_dev_get_lock_subclass,
};
void vlan_setup(struct net_device *dev)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b3bd4ec3fd9..f04224c3200 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1545,6 +1545,8 @@ out_neigh:
if ((orig_neigh_node) && (!is_single_hop_neigh))
batadv_orig_node_free_ref(orig_neigh_node);
out:
+ if (router_ifinfo)
+ batadv_neigh_ifinfo_free_ref(router_ifinfo);
if (router)
batadv_neigh_node_free_ref(router);
if (router_router)
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b25fd64d727..aa5d4946d0d 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -940,8 +940,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
* additional DAT answer may trigger kernel warnings about
* a packet coming from the wrong port.
*/
- if (batadv_is_my_client(bat_priv, dat_entry->mac_addr,
- BATADV_NO_FLAGS)) {
+ if (batadv_is_my_client(bat_priv, dat_entry->mac_addr, vid)) {
ret = true;
goto out;
}
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index bcc4bea632f..f14e54a0569 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -418,12 +418,13 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
struct batadv_neigh_node *neigh_node)
{
struct batadv_priv *bat_priv;
- struct batadv_hard_iface *primary_if;
+ struct batadv_hard_iface *primary_if = NULL;
struct batadv_frag_packet frag_header;
struct sk_buff *skb_fragment;
unsigned mtu = neigh_node->if_incoming->net_dev->mtu;
unsigned header_size = sizeof(frag_header);
unsigned max_fragment_size, max_packet_size;
+ bool ret = false;
/* To avoid merge and refragmentation at next-hops we never send
* fragments larger than BATADV_FRAG_MAX_FRAG_SIZE
@@ -483,7 +484,11 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
skb->len + ETH_HLEN);
batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
- return true;
+ ret = true;
+
out_err:
- return false;
+ if (primary_if)
+ batadv_hardif_free_ref(primary_if);
+
+ return ret;
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index c835e137423..90cff585b37 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -42,8 +42,10 @@
static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
{
- if (atomic_dec_and_test(&gw_node->refcount))
+ if (atomic_dec_and_test(&gw_node->refcount)) {
+ batadv_orig_node_free_ref(gw_node->orig_node);
kfree_rcu(gw_node, rcu);
+ }
}
static struct batadv_gw_node *
@@ -406,9 +408,14 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
if (gateway->bandwidth_down == 0)
return;
+ if (!atomic_inc_not_zero(&orig_node->refcount))
+ return;
+
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
- if (!gw_node)
+ if (!gw_node) {
+ batadv_orig_node_free_ref(orig_node);
return;
+ }
INIT_HLIST_NODE(&gw_node->list);
gw_node->orig_node = orig_node;
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index b851cc58085..fbda6b54baf 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -83,7 +83,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
return true;
/* no more parents..stop recursion */
- if (net_dev->iflink == net_dev->ifindex)
+ if (net_dev->iflink == 0 || net_dev->iflink == net_dev->ifindex)
return false;
/* recurse over the parent device */
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 8c7ca811de6..96b66fd30f9 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -415,7 +415,7 @@ batadv_mcast_forw_ipv4_node_get(struct batadv_priv *bat_priv)
hlist_for_each_entry_rcu(tmp_orig_node,
&bat_priv->mcast.want_all_ipv4_list,
mcast_want_all_ipv4_node) {
- if (!atomic_inc_not_zero(&orig_node->refcount))
+ if (!atomic_inc_not_zero(&tmp_orig_node->refcount))
continue;
orig_node = tmp_orig_node;
@@ -442,7 +442,7 @@ batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv)
hlist_for_each_entry_rcu(tmp_orig_node,
&bat_priv->mcast.want_all_ipv6_list,
mcast_want_all_ipv6_node) {
- if (!atomic_inc_not_zero(&orig_node->refcount))
+ if (!atomic_inc_not_zero(&tmp_orig_node->refcount))
continue;
orig_node = tmp_orig_node;
@@ -493,7 +493,7 @@ batadv_mcast_forw_unsnoop_node_get(struct batadv_priv *bat_priv)
hlist_for_each_entry_rcu(tmp_orig_node,
&bat_priv->mcast.want_all_unsnoopables_list,
mcast_want_all_unsnoopables_node) {
- if (!atomic_inc_not_zero(&orig_node->refcount))
+ if (!atomic_inc_not_zero(&tmp_orig_node->refcount))
continue;
orig_node = tmp_orig_node;
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index ffd9dfbd9b0..6a484514cd3 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -501,12 +501,17 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
static void batadv_orig_ifinfo_free_rcu(struct rcu_head *rcu)
{
struct batadv_orig_ifinfo *orig_ifinfo;
+ struct batadv_neigh_node *router;
orig_ifinfo = container_of(rcu, struct batadv_orig_ifinfo, rcu);
if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)
batadv_hardif_free_ref_now(orig_ifinfo->if_outgoing);
+ /* this is the last reference to this object */
+ router = rcu_dereference_protected(orig_ifinfo->router, true);
+ if (router)
+ batadv_neigh_node_free_ref_now(router);
kfree(orig_ifinfo);
}
@@ -702,6 +707,47 @@ free_orig_node:
}
/**
+ * batadv_purge_neigh_ifinfo - purge obsolete ifinfo entries from neighbor
+ * @bat_priv: the bat priv with all the soft interface information
+ * @neigh: orig node which is to be checked
+ */
+static void
+batadv_purge_neigh_ifinfo(struct batadv_priv *bat_priv,
+ struct batadv_neigh_node *neigh)
+{
+ struct batadv_neigh_ifinfo *neigh_ifinfo;
+ struct batadv_hard_iface *if_outgoing;
+ struct hlist_node *node_tmp;
+
+ spin_lock_bh(&neigh->ifinfo_lock);
+