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-rw-r--r--net/atm/clip.c10
-rw-r--r--net/bluetooth/af_bluetooth.c12
-rw-r--r--net/bluetooth/hci_conn.c4
-rw-r--r--net/bluetooth/hci_core.c3
-rw-r--r--net/bluetooth/l2cap_core.c24
-rw-r--r--net/bluetooth/l2cap_sock.c4
-rw-r--r--net/bluetooth/rfcomm/core.c18
-rw-r--r--net/bluetooth/rfcomm/sock.c2
-rw-r--r--net/caif/caif_socket.c10
-rw-r--r--net/caif/cfmuxl.c12
-rw-r--r--net/core/dev.c10
-rw-r--r--net/core/ethtool.c2
-rw-r--r--net/core/neighbour.c2
-rw-r--r--net/core/netpoll.c2
-rw-r--r--net/core/netprio_cgroup.c15
-rw-r--r--net/core/rtnetlink.c78
-rw-r--r--net/core/sock.c7
-rw-r--r--net/ipv4/Kconfig2
-rw-r--r--net/ipv4/arp.c3
-rw-r--r--net/ipv4/ip_gre.c10
-rw-r--r--net/ipv4/ip_options.c2
-rw-r--r--net/ipv4/ping.c1
-rw-r--r--net/ipv4/sysctl_net_ipv4.c6
-rw-r--r--net/ipv4/tcp.c28
-rw-r--r--net/ipv4/tcp_input.c45
-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv4/tcp_timer.c5
-rw-r--r--net/ipv4/xfrm4_mode_beet.c5
-rw-r--r--net/ipv4/xfrm4_mode_tunnel.c6
-rw-r--r--net/ipv6/ip6mr.c4
-rw-r--r--net/ipv6/ndisc.c5
-rw-r--r--net/ipv6/xfrm6_mode_beet.c6
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c6
-rw-r--r--net/mac80211/debugfs_sta.c4
-rw-r--r--net/mac80211/main.c4
-rw-r--r--net/mac80211/rate.c2
-rw-r--r--net/mac80211/rate.h3
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/mac80211/sta_info.h2
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c2
-rw-r--r--net/netfilter/nf_conntrack_core.c38
-rw-r--r--net/netfilter/nf_conntrack_netlink.c46
-rw-r--r--net/netfilter/nf_queue.c40
-rw-r--r--net/netfilter/xt_TEE.c5
-rw-r--r--net/rxrpc/ar-key.c4
-rw-r--r--net/sched/sch_choke.c3
-rw-r--r--net/sched/sch_netem.c9
-rw-r--r--net/sched/sch_sfb.c3
-rw-r--r--net/sched/sch_sfq.c5
49 files changed, 316 insertions, 210 deletions
diff --git a/net/atm/clip.c b/net/atm/clip.c
index c12c2582457c..127fe70a1baa 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -46,8 +46,8 @@
static struct net_device *clip_devs;
static struct atm_vcc *atmarpd;
-static struct neigh_table clip_tbl;
static struct timer_list idle_timer;
+static const struct neigh_ops clip_neigh_ops;
static int to_atmarpd(enum atmarp_ctrl_type type, int itf, __be32 ip)
{
@@ -123,6 +123,8 @@ static int neigh_check_cb(struct neighbour *n)
struct atmarp_entry *entry = neighbour_priv(n);
struct clip_vcc *cv;
+ if (n->ops != &clip_neigh_ops)
+ return 0;
for (cv = entry->vccs; cv; cv = cv->next) {
unsigned long exp = cv->last_use + cv->idle_timeout;
@@ -154,10 +156,10 @@ static int neigh_check_cb(struct neighbour *n)
static void idle_timer_check(unsigned long dummy)
{
- write_lock(&clip_tbl.lock);
- __neigh_for_each_release(&clip_tbl, neigh_check_cb);
+ write_lock(&arp_tbl.lock);
+ __neigh_for_each_release(&arp_tbl, neigh_check_cb);
mod_timer(&idle_timer, jiffies + CLIP_CHECK_INTERVAL * HZ);
- write_unlock(&clip_tbl.lock);
+ write_unlock(&arp_tbl.lock);
}
static int clip_arp_rcv(struct sk_buff *skb)
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index ef92864ac625..72eb187a5f60 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -71,19 +71,16 @@ static const char *const bt_slock_key_strings[BT_MAX_PROTO] = {
"slock-AF_BLUETOOTH-BTPROTO_AVDTP",
};
-static inline void bt_sock_reclassify_lock(struct socket *sock, int proto)
+void bt_sock_reclassify_lock(struct sock *sk, int proto)
{
- struct sock *sk = sock->sk;
-
- if (!sk)
- return;
-
+ BUG_ON(!sk);
BUG_ON(sock_owned_by_user(sk));
sock_lock_init_class_and_name(sk,
bt_slock_key_strings[proto], &bt_slock_key[proto],
bt_key_strings[proto], &bt_lock_key[proto]);
}
+EXPORT_SYMBOL(bt_sock_reclassify_lock);
int bt_sock_register(int proto, const struct net_proto_family *ops)
{
@@ -145,7 +142,8 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto,
if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
err = bt_proto[proto]->create(net, sock, proto, kern);
- bt_sock_reclassify_lock(sock, proto);
+ if (!err)
+ bt_sock_reclassify_lock(sock->sk, proto);
module_put(bt_proto[proto]->owner);
}
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 3db432473ad5..07bc69ed9498 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -635,6 +635,10 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_auth_requested cp;
+
+ /* encrypt must be pending if auth is also pending */
+ set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+
cp.handle = cpu_to_le16(conn->handle);
hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 9de93714213a..5aeb62491198 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -640,7 +640,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
/* Reset device */
skb_queue_purge(&hdev->cmd_q);
atomic_set(&hdev->cmd_cnt, 1);
- if (!test_bit(HCI_RAW, &hdev->flags)) {
+ if (!test_bit(HCI_RAW, &hdev->flags) &&
+ test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) {
set_bit(HCI_INIT, &hdev->flags);
__hci_request(hdev, hci_reset_req, 0,
msecs_to_jiffies(250));
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index faf0b11ac1d3..32d338c30e65 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1018,10 +1018,10 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
hci_chan_del(conn->hchan);
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
- __cancel_delayed_work(&conn->info_timer);
+ cancel_delayed_work_sync(&conn->info_timer);
if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend)) {
- __cancel_delayed_work(&conn->security_timer);
+ cancel_delayed_work_sync(&conn->security_timer);
smp_chan_destroy(conn);
}
@@ -1120,7 +1120,7 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm, bdaddr
return c1;
}
-inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *dst)
+int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *dst)
{
struct sock *sk = chan->sk;
bdaddr_t *src = &bt_sk(sk)->src;
@@ -2574,7 +2574,7 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd
if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) &&
cmd->ident == conn->info_ident) {
- __cancel_delayed_work(&conn->info_timer);
+ cancel_delayed_work(&conn->info_timer);
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
conn->info_ident = 0;
@@ -2970,7 +2970,8 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
default:
sk->sk_err = ECONNRESET;
- __set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT);
+ __set_chan_timer(chan,
+ msecs_to_jiffies(L2CAP_DISC_REJ_TIMEOUT));
l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -3120,7 +3121,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE)
return 0;
- __cancel_delayed_work(&conn->info_timer);
+ cancel_delayed_work(&conn->info_timer);
if (result != L2CAP_IR_SUCCESS) {
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
@@ -4478,7 +4479,8 @@ static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
if (encrypt == 0x00) {
if (chan->sec_level == BT_SECURITY_MEDIUM) {
__clear_chan_timer(chan);
- __set_chan_timer(chan, L2CAP_ENC_TIMEOUT);
+ __set_chan_timer(chan,
+ msecs_to_jiffies(L2CAP_ENC_TIMEOUT));
} else if (chan->sec_level == BT_SECURITY_HIGH)
l2cap_chan_close(chan, ECONNREFUSED);
} else {
@@ -4499,7 +4501,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
if (hcon->type == LE_LINK) {
smp_distribute_keys(conn, 0);
- __cancel_delayed_work(&conn->security_timer);
+ cancel_delayed_work(&conn->security_timer);
}
rcu_read_lock();
@@ -4546,7 +4548,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
L2CAP_CONN_REQ, sizeof(req), &req);
} else {
__clear_chan_timer(chan);
- __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
+ __set_chan_timer(chan,
+ msecs_to_jiffies(L2CAP_DISC_TIMEOUT));
}
} else if (chan->state == BT_CONNECT2) {
struct l2cap_conn_rsp rsp;
@@ -4566,7 +4569,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
}
} else {
l2cap_state_change(chan, BT_DISCONN);
- __set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
+ __set_chan_timer(chan,
+ msecs_to_jiffies(L2CAP_DISC_TIMEOUT));
res = L2CAP_CR_SEC_BLOCK;
stat = L2CAP_CS_NO_INFO;
}
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index c61d967012b2..401d9428ae4c 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -849,6 +849,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(void *data)
if (!sk)
return NULL;
+ bt_sock_reclassify_lock(sk, BTPROTO_L2CAP);
+
l2cap_sock_init(sk, parent);
return l2cap_pi(sk)->chan;
@@ -1002,7 +1004,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
sk->sk_destruct = l2cap_sock_destruct;
- sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
+ sk->sk_sndtimeo = msecs_to_jiffies(L2CAP_CONN_TIMEOUT);
sock_reset_flag(sk, SOCK_ZAPPED);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 501649bf5596..8a602388f1e7 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -1164,12 +1164,18 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
break;
case BT_DISCONN:
- /* When socket is closed and we are not RFCOMM
- * initiator rfcomm_process_rx already calls
- * rfcomm_session_put() */
- if (s->sock->sk->sk_state != BT_CLOSED)
- if (list_empty(&s->dlcs))
- rfcomm_session_put(s);
+ /* rfcomm_session_put is called later so don't do
+ * anything here otherwise we will mess up the session
+ * reference counter:
+ *
+ * (a) when we are the initiator dlc_unlink will drive
+ * the reference counter to 0 (there is no initial put
+ * after session_add)
+ *
+ * (b) when we are not the initiator rfcomm_rx_process
+ * will explicitly call put to balance the initial hold
+ * done after session add.
+ */
break;
}
}
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index f066678faeee..22169c3f1482 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -956,6 +956,8 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc *
if (!sk)
goto done;
+ bt_sock_reclassify_lock(sk, BTPROTO_RFCOMM);
+
rfcomm_sock_init(sk, parent);
bacpy(&bt_sk(sk)->src, &src);
bacpy(&bt_sk(sk)->dst, &dst);
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index a98628086452..a97d97a3a512 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -539,8 +539,10 @@ static int transmit_skb(struct sk_buff *skb, struct caifsock *cf_sk,
pkt = cfpkt_fromnative(CAIF_DIR_OUT, skb);
memset(skb->cb, 0, sizeof(struct caif_payload_info));
- if (cf_sk->layer.dn == NULL)
+ if (cf_sk->layer.dn == NULL) {
+ kfree_skb(skb);
return -EINVAL;
+ }
return cf_sk->layer.dn->transmit(cf_sk->layer.dn, pkt);
}
@@ -683,10 +685,10 @@ static int caif_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
}
err = transmit_skb(skb, cf_sk,
msg->msg_flags&MSG_DONTWAIT, timeo);
- if (err < 0) {
- kfree_skb(skb);
+ if (err < 0)
+ /* skb is already freed */
goto pipe_err;
- }
+
sent += size;
}
diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index b36f24a4c8e7..94b08612a4d8 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -248,7 +248,6 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
{
struct cfmuxl *muxl = container_obj(layr);
struct cflayer *layer;
- int idx;
rcu_read_lock();
list_for_each_entry_rcu(layer, &muxl->srvl_list, node) {
@@ -257,14 +256,9 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND ||
ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) &&
- layer->id != 0) {
-
- idx = layer->id % UP_CACHE_SIZE;
- spin_lock_bh(&muxl->receive_lock);
- RCU_INIT_POINTER(muxl->up_cache[idx], NULL);
- list_del_rcu(&layer->node);
- spin_unlock_bh(&muxl->receive_lock);
- }
+ layer->id != 0)
+ cfmuxl_remove_uplayer(layr, layer->id);
+
/* NOTE: ctrlcmd is not allowed to block */
layer->ctrlcmd(layer, ctrl, phyid);
}
diff --git a/net/core/dev.c b/net/core/dev.c
index da7ce7f0e566..6982bfd6a781 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3500,14 +3500,20 @@ static inline gro_result_t
__napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
struct sk_buff *p;
+ unsigned int maclen = skb->dev->hard_header_len;
for (p = napi->gro_list; p; p = p->next) {
unsigned long diffs;
diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev;
diffs |= p->vlan_tci ^ skb->vlan_tci;
- diffs |= compare_ether_header(skb_mac_header(p),
- skb_gro_mac_header(skb));
+ if (maclen == ETH_HLEN)
+ diffs |= compare_ether_header(skb_mac_header(p),
+ skb_gro_mac_header(skb));
+ else if (!diffs)
+ diffs = memcmp(skb_mac_header(p),
+ skb_gro_mac_header(skb),
+ maclen);
NAPI_GRO_CB(p)->same_flow = !diffs;
NAPI_GRO_CB(p)->flush = 0;
}
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 369b41894527..3f79db1b612a 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1190,6 +1190,8 @@ static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
if (!dev->ethtool_ops->flash_device)
return -EOPNOTSUPP;
+ efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
+
return dev->ethtool_ops->flash_device(dev, &efl);
}
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e287346e0934..2a83914b0277 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -826,6 +826,8 @@ next_elt:
write_unlock_bh(&tbl->lock);
cond_resched();
write_lock_bh(&tbl->lock);
+ nht = rcu_dereference_protected(tbl->nht,
+ lockdep_is_held(&tbl->lock));
}
/* Cycle through all hash buckets every base_reachable_time/2 ticks.
* ARP entry timeouts range from 1/2 base_reachable_time to 3/2
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 556b08298669..ddefc513b44a 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -194,7 +194,7 @@ static void netpoll_poll_dev(struct net_device *dev)
poll_napi(dev);
- if (dev->priv_flags & IFF_SLAVE) {
+ if (dev->flags & IFF_SLAVE) {
if (dev->npinfo) {
struct net_device *bond_dev = dev->master;
struct sk_buff *skb;
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 3a9fd4826b75..4dacc44637ef 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -58,11 +58,12 @@ static int get_prioidx(u32 *prio)
spin_lock_irqsave(&prioidx_map_lock, flags);
prioidx = find_first_zero_bit(prioidx_map, sizeof(unsigned long) * PRIOIDX_SZ);
+ if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) {
+ spin_unlock_irqrestore(&prioidx_map_lock, flags);
+ return -ENOSPC;
+ }
set_bit(prioidx, prioidx_map);
spin_unlock_irqrestore(&prioidx_map_lock, flags);
- if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ)
- return -ENOSPC;
-
atomic_set(&max_prioidx, prioidx);
*prio = prioidx;
return 0;
@@ -107,7 +108,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len)
static void update_netdev_tables(void)
{
struct net_device *dev;
- u32 max_len = atomic_read(&max_prioidx);
+ u32 max_len = atomic_read(&max_prioidx) + 1;
struct netprio_map *map;
rtnl_lock();
@@ -270,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused,
{
struct net_device *dev = ptr;
struct netprio_map *old;
- u32 max_len = atomic_read(&max_prioidx);
/*
* Note this is called with rtnl_lock held so we have update side
@@ -278,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused,
*/
switch (event) {
-
- case NETDEV_REGISTER:
- if (max_len)
- extend_netdev_table(dev, max_len);
- break;
case NETDEV_UNREGISTER:
old = rtnl_dereference(dev->priomap);
RCU_INIT_POINTER(dev->priomap, NULL);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 65aebd450027..606a6e8f3671 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -60,7 +60,6 @@ struct rtnl_link {
};
static DEFINE_MUTEX(rtnl_mutex);
-static u16 min_ifinfo_dump_size;
void rtnl_lock(void)
{
@@ -724,10 +723,11 @@ static void copy_rtnl_link_stats64(void *v, const struct rtnl_link_stats64 *b)
}
/* All VF info */
-static inline int rtnl_vfinfo_size(const struct net_device *dev)
+static inline int rtnl_vfinfo_size(const struct net_device *dev,
+ u32 ext_filter_mask)
{
- if (dev->dev.parent && dev_is_pci(dev->dev.parent)) {
-
+ if (dev->dev.parent && dev_is_pci(dev->dev.parent) &&
+ (ext_filter_mask & RTEXT_FILTER_VF)) {
int num_vfs = dev_num_vf(dev->dev.parent);
size_t size = nla_total_size(sizeof(struct nlattr));
size += nla_total_size(num_vfs * sizeof(struct nlattr));
@@ -766,7 +766,8 @@ static size_t rtnl_port_size(const struct net_device *dev)
return port_self_size;
}
-static noinline size_t if_nlmsg_size(const struct net_device *dev)
+static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ u32 ext_filter_mask)
{
return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
@@ -784,8 +785,9 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev)
+ nla_total_size(4) /* IFLA_MASTER */
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
- + nla_total_size(4) /* IFLA_NUM_VF */
- + rtnl_vfinfo_size(dev) /* IFLA_VFINFO_LIST */
+ + nla_total_size(ext_filter_mask
+ & RTEXT_FILTER_VF ? 4 : 0) /* IFLA_NUM_VF */
+ + rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */
+ rtnl_port_size(dev) /* IFLA_VF_PORTS + IFLA_PORT_SELF */
+ rtnl_link_get_size(dev) /* IFLA_LINKINFO */
+ rtnl_link_get_af_size(dev); /* IFLA_AF_SPEC */
@@ -868,7 +870,7 @@ static int rtnl_port_fill(struct sk_buff *skb, struct net_device *dev)
static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
int type, u32 pid, u32 seq, u32 change,
- unsigned int flags)
+ unsigned int flags, u32 ext_filter_mask)
{
struct ifinfomsg *ifm;
struct nlmsghdr *nlh;
@@ -941,10 +943,11 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
goto nla_put_failure;
copy_rtnl_link_stats64(nla_data(attr), stats);
- if (dev->dev.parent)
+ if (dev->dev.parent && (ext_filter_mask & RTEXT_FILTER_VF))
NLA_PUT_U32(skb, IFLA_NUM_VF, dev_num_vf(dev->dev.parent));
- if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent) {
+ if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent
+ && (ext_filter_mask & RTEXT_FILTER_VF)) {
int i;
struct nlattr *vfinfo, *vf;
@@ -1048,6 +1051,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
struct net_device *dev;
struct hlist_head *head;
struct hlist_node *node;
+ struct nlattr *tb[IFLA_MAX+1];
+ u32 ext_filter_mask = 0;
s_h = cb->args[0];
s_idx = cb->args[1];
@@ -1055,6 +1060,12 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
rcu_read_lock();
cb->seq = net->dev_base_seq;
+ nlmsg_parse(cb->nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX,
+ ifla_policy);
+
+ if (tb[IFLA_EXT_MASK])
+ ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
+
for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
idx = 0;
head = &net->dev_index_head[h];
@@ -1064,7 +1075,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, 0,
- NLM_F_MULTI) <= 0)
+ NLM_F_MULTI,
+ ext_filter_mask) <= 0)
goto out;
nl_dump_check_consistent(cb, nlmsg_hdr(skb));
@@ -1100,6 +1112,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_VF_PORTS] = { .type = NLA_NESTED },
[IFLA_PORT_SELF] = { .type = NLA_NESTED },
[IFLA_AF_SPEC] = { .type = NLA_NESTED },
+ [IFLA_EXT_MASK] = { .type = NLA_U32 },
};
EXPORT_SYMBOL(ifla_policy);
@@ -1509,8 +1522,6 @@ errout:
if (send_addr_notify)
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
- min_ifinfo_dump_size = max_t(u16, if_nlmsg_size(dev),
- min_ifinfo_dump_size);
return err;
}
@@ -1842,6 +1853,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
struct net_device *dev = NULL;
struct sk_buff *nskb;
int err;
+ u32 ext_filter_mask = 0;
err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
if (err < 0)
@@ -1850,6 +1862,9 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
if (tb[IFLA_IFNAME])
nla_strlcpy(ifname, tb[IFLA_IFNAME], IFNAMSIZ);
+ if (tb[IFLA_EXT_MASK])
+ ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
+
ifm = nlmsg_data(nlh);
if (ifm->ifi_index > 0)
dev = __dev_get_by_index(net, ifm->ifi_index);
@@ -1861,12 +1876,12 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
if (dev == NULL)
return -ENODEV;
- nskb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
+ nskb = nlmsg_new(if_nlmsg_size(dev, ext_filter_mask), GFP_KERNEL);
if (nskb == NULL)
return -ENOBUFS;
err = rtnl_fill_ifinfo(nskb, dev, RTM_NEWLINK, NETLINK_CB(skb).pid,
- nlh->nlmsg_seq, 0, 0);
+ nlh->nlmsg_seq, 0, 0, ext_filter_mask);
if (err < 0) {
/* -EMSGSIZE implies BUG in if_nlmsg_size */
WARN_ON(err == -EMSGSIZE);
@@ -1877,8 +1892,31 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
return err;
}
-static u16 rtnl_calcit(struct sk_buff *skb)
+static u16 rtnl_calcit(struct sk_buff *skb, struct nlmsghdr *nlh)
{
+ struct net *net = sock_net(skb->sk);
+ struct net_device *dev;
+ struct nlattr *tb[IFLA_MAX+1];
+ u32 ext_filter_mask = 0;
+ u16 min_ifinfo_dump_size = 0;
+
+ nlmsg_parse(nlh, sizeof(struct rtgenmsg), tb, IFLA_MAX, ifla_policy);
+
+ if (tb[IFLA_EXT_MASK])
+ ext_filter_mask = nla_get_u32(tb[IFLA_EXT_MASK]);
+
+ if (!ext_filter_mask)
+ return NLMSG_GOODSIZE;
+ /*
+ * traverse the list of net devices and compute the minimum
+ * buffer size based upon the filter mask.
+ */
+ list_for_each_entry(dev, &net->dev_base_head, dev_list) {
+ min_ifinfo_dump_size = max_t(u16, min_ifinfo_dump_size,
+ if_nlmsg_size(dev,
+ ext_filter_mask));
+ }
+
return min_ifinfo_dump_size;
}
@@ -1913,13 +1951,11 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
int err = -ENOBUFS;
size_t if_info_size;
- skb = nlmsg_new((if_info_size = if_nlmsg_size(dev)), GFP_KERNEL);
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
if (skb == NULL)
goto errout;
- min_ifinfo_dump_size = max_t(u16, if_info_size, min_ifinfo_dump_size);
-
- err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0);
+ err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0, 0);
if (err < 0) {
/* -EMSGSIZE implies BUG in if_nlmsg_size() */
WARN_ON(err == -EMSGSIZE);
@@ -1977,7 +2013,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EOPNOTSUPP;
calcit = rtnl_get_calcit(family, type);
if (calcit)
- min_dump_alloc = calcit(skb);
+ min_dump_alloc = calcit(skb, nlh);
__rtnl_unlock();
rtnl = net->rtnl;
diff --git a/net/core/sock.c b/net/core/sock.c
index 3a4e5817a2a7..95aff9c7419b 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1171,13 +1171,10 @@ EXPORT_SYMBOL(sock_update_classid);
void sock_update_netprioidx(struct sock *sk)
{
- struct cgroup_netprio_state *state;
if (in_interrupt())
return;
- rcu_read_lock();
- state = task_netprio_state(current);
- sk->sk_cgrp_prioidx = state ? state->prioidx : 0;
- rcu_read_unlock();
+
+ sk->sk_cgrp_prioidx = task_netprioidx(current);
}
EXPORT_SYMBOL_GPL(sock_update_netprioidx);
#endif
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index aa2a2c79776f..d183262943d9 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -409,7 +409,7 @@ config INET_TCP_DIAG
config INET_UDP_DIAG
tristate "UDP: socket monitoring interface"
- depends on INET_DIAG
+ depends on INET_DIAG && (IPV6 || IPV6=n)
default n
---help---
Support for UDP socket monitoring interface used by the ss tool.
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 59402be133f0..63e49890ad31 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -863,7 +863,8 @@ static int arp_process(struct sk_buff *skb)
if (addr_type == RTN_UNICAST &&
(arp_fwd_proxy(in_dev, dev, rt) ||
arp_fwd_pvlan(in_dev, dev, rt, sip, tip) ||
- pneigh_lookup(&arp_tbl, net, &tip, dev, 0))) {
+ (rt->dst.dev != dev &&
+ pneigh_lookup(&arp_tbl, net, &tip, dev, 0)))) {
n = neigh_event_ns(&arp_tbl, sha, &sip, dev);
if (n)
neigh_release(n);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6b3ca5ba4450..38673d2860e2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -65,7 +65,7 @@
it is infeasible task. The most general solutions would be
to keep skb->encapsulation counter (sort of local ttl),
and silently drop packet when it expires. It is a good
- solution, but it supposes maintaing new variable in ALL
+ solution, but it supposes maintaining new variable in ALL
skb, even if no tunneling is used.
Current solution: xmit_recursion breaks dead loops. This is a percpu
@@ -91,14 +91,14 @@
One of them is to parse packet trying to detect inner encapsulation
made by our node. It is difficult or even impossible, especially,
- taking into account fragmentation. TO be short, tt is not solution at all.
+ taking into account fragmentation. TO be short, ttl is not solution at all.
Current solution: The solution was UNEXPECTEDLY SIMPLE.
We force DF flag on tunnels with preconfigured hop limit,
that is ALL. :-) Well, it does not remove the problem completely,
but exponential growth of network traffic is changed to linear
(branches, that exceed pmtu are pruned) and tunnel mtu
- fastly degrades to value <68, where looping stops.
+ rapidly degrades to value <68, where looping stops.
Yes, it is not good if there exists a router in the loop,
which does not force DF, even when encapsulating packets have DF set.
But it is not our problem! Nobody could accuse us, we made
@@ -457,8 +457,8 @@ static void ipgre_err(struct sk_buff *skb, u32 info)
GRE tunnels with enabled checksum. Tell them "thank you".
Well, I wonder, rfc1812 was written by Cisco employee,
- what the hell these idiots break standrads established
- by themself???
+ what the hell these idiots break standards established
+ by themselves???
*/
const struct iphdr *iph = (const struct iphdr *)skb->data;
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 1e60f7679075..42dd1a90edea 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -573,8 +573,8 @@ void ip_forward_options(struct sk_buff *skb)
}
if (srrptr + 3 <= srrspace) {
opt->is_changed = 1;
- ip_rt_get_source(&optptr[srrptr-1], skb, rt);
ip_hdr(skb)->daddr = opt->nexthop;
+ ip_rt_get_source(&optptr[srrptr-1], skb, rt);
optptr[2] = srrptr+4;
} else if (net_ratelimit())
printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n");
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index aea5a199c37a..b072386cee21 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -630,6 +630,7 @@ static int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
pr_debug("ping_recvmsg(sk=%p,sk->num=%u)\n", isk, isk->inet_num);
+ err = -EOPNOTSUPP;
if (flags & MSG_OOB)
goto out;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 4cb9cd2f2c39..7a7724da9bff 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -778,7 +778,6 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path);
static __net_init int ipv4_sysctl_init_net(struct net *net)
{
struct ctl_table *table;
- unsigned long limit;
table = ipv4_net_table;
if (!net_eq(net, &init_net)) {
@@ -815,11 +814,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
net->ipv4.sysctl_rt_cache_rebuild_count = 4;
tcp_init_mem(net);
- limit = nr_free_buffer_pages() / 8;
- limit = max(limit, 128UL);
- net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3;
- net->ipv4.sysctl_tcp_mem[1] = limit;
- net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2;
net->ipv4.ipv4_hdr = register_net_sysctl_table(net,
net_ipv4_ctl_path, table);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 06373b4a449a..22ef5f9fd2ff 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1876,6 +1876,20 @@ void tcp_shutdown(struct sock *sk, int how)
}
EXPORT_SYMBOL(tcp_shutdown);
+bool tcp_check_oom(struct sock *sk, int shift)
+{
+ bool too_many_orphans, out_of_socket_memory;
+
+ too_many_orphans = tcp_too_many_orphans(sk, shift);
+ out_of_socket_memory = tcp_out_of_memory(sk);
+
+ if (too_many_orphans && net_ratelimit())
+ pr_info("TCP: too many orphaned sockets\n");
+ if (out_of_socket_memory && net_ratelimit())
+ pr_info("TCP: out of memory -- consider tuning tcp_mem\n");
+ return too_many_orphans || out_of_socket_memory;
+}
+
void tcp_close(struct sock *sk, long timeout)
{
struct sk_buff *skb;
@@ -2015,10 +2029,7 @@ adjudge_to_death:
}
if (sk->sk_state != TCP_CLOSE) {
sk_mem_reclaim(sk);
- if (tcp_too_many_orphans(sk, 0)) {
- if (net_ratelimit())
- printk(KERN_INFO "TCP: too many of orphaned "
- "sockets\n");
+ if (tcp_check_oom(sk, 0)) {
tcp_set_state(sk, TCP_CLOSE);
tcp_send_active_reset(sk, GFP_ATOMIC);
NET_INC_STATS_BH(sock_net(sk),
@@ -3218,7 +3229,6 @@ __setup("thash_entries=", set_thash_entries);
void tcp_init_mem(struct net *net)
{
- /* Set per-socket limits to no more than 1/128 the pressure threshold */
unsigned long limit = nr_free_buffer_pages() / 8;
limit = max(limit, 128UL);
net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3;
@@ -3230,7 +3240,8 @@ void __init tcp_init(void)
{
struct sk_buff *skb = NULL;
unsigned long limit;
- int i, max_share, cnt;
+ int max_share, cnt;
+ unsigned int i;
unsigned long jiffy = jiffies;
BUILD_BUG_ON(sizeof(struct tcp_skb_cb) > sizeof(skb->cb));
@@ -3273,7 +3284,7 @@ void __init tcp_init(void)
&tcp_hashinfo.bhash_size,
NULL,
64 * 1024);
- tcp_hashinfo.bhash_size = 1 << tcp_hashinfo.bhash_size;
+ tcp_hashinfo.bhash_size = 1U << tcp_hashinfo.bhash_size;
for (i = 0; i < tcp_hashinfo.bhash_size; i++) {
spin_lock_init(&tcp_hashinfo.bhash[i].lock);
INIT_HLIST_HEAD(&tcp_hashinfo.bhash[i].chain);
@@ -3287,7 +3298,8 @@ void __init tcp_init(void)
sysctl_max_syn_backlog = max(128, cnt / 256);
tcp_init_mem(&init_net);
- limit = nr_free_buffer_pages() / 8;
+ /* Set per-socket limits to no more than 1/128 the pressure threshold */
+ limit = nr_free_buffer_pages() << (PAGE_SHIFT - 10);
limit = max(limit, 128UL);
max_share = min(4UL*1024*1024, limit);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 976034f82320..53c8ce4046b2 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1307,25 +1307,26 @@ static int tcp_match_skb_to_sack(struct sock *sk, struct sk_buff *skb,
return in_sack;
}
-static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk,
- struct tcp_sacktag_state *state,
+/* Mark the given newly-SACKed range as such, adjusting counters and hints. */
+static u8 tcp_sacktag_one(struct sock *sk,
+ struct tcp_sacktag_state *state, u8 sacked,
+ u32 start_seq, u32 end_seq,
int dup_sack, int pcount)
{
struct tcp_sock *tp = tcp_sk(sk);
- u8 sacked = TCP_SKB_CB(skb)->sacked;
int fack_count = state->fack_count;
/* Account D-SACK for retransmitted packet. */
if (dup_sack && (sacked & TCPCB_RETRANS)) {
if (tp->undo_marker && tp->undo_retrans &&
- after(TCP_SKB_CB(skb)->end_seq, tp->undo_marker))
+ after(end_seq, tp->undo_marker))
tp->undo_retrans--;
if (sacked & TCPCB_SACKED_ACKED)
state->reord = min(fack_count, state->reord);
}
/* Nothing to do; acked frame is about to be dropped (was ACKed). */
- if (!after(TCP_SKB_CB(skb)->end_seq, tp->snd_una))
+ if (!after(end_seq, tp->snd_una))
return sacked;
if (!(sacked & TCPCB_SACKED_ACKED)) {
@@ -1344,13 +1345,13 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk,
/* New sack for not retransmitted frame,
* which was in hole. It is reordering.
*/
- if (before(TCP_SKB_CB(skb)->seq,
+ if (before(start_seq,
tcp_highest_sack_seq(tp)))
state->reord = min(fack_count,
state->reord);
/* SACK enhanced F-RTO (RFC4138; Appendix B) */
- if (!after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark))
+ if (!after(end_seq, tp->frto_highmark))
state->flag |= FLAG_ONLY_ORIG_SACKED;
}
@@ -1368,8 +1369,7 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk,
/* Lost marker hint past SACKed? Tweak RFC3517 cnt */
if (!tcp_is_fack(tp) && (tp->lost_skb_hint != NULL) &&
- before(TCP_SKB_CB(skb)->seq,
- TCP_SKB_CB(tp->lost_skb_hint)->seq))
+ before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq))
tp->lost_cnt_hint += pcount;
if (fack_count > tp->fackets_out)
@@ -1388,6 +1388,9 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk,
return sacked;
}
+/* Shift newly-SACKed bytes from this skb to the immediately previous
+ * already-SACKed sk_buff. Mark the newly-SACKed bytes as such.
+ */
static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
struct tcp_sacktag_state *state,
unsigned int pcount, int shifted, int mss,
@@ -1395,10 +1398,13 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *prev = tcp_write_queue_prev(sk, skb);
+ u32 start_seq = TCP_SKB_CB(skb)->seq; /* start of newly-SACKed */
+ u32 end_seq = start_seq + shifted; /* end of newly-SACKed */
BUG_ON(!pcount);
- if (skb == tp->lost_skb_hint)
+ /* Adjust hint for FACK. Non-FACK is handled in tcp_sacktag_one(). */
+ if (tcp_is_fack(tp) && (skb == tp->lost_skb_hint))
tp->lost_cnt_hint += pcount;
TCP_SKB_CB(prev)->end_seq += shifted;
@@ -1424,8 +1430,11 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb,
skb_shinfo(skb)->gso_type = 0;
}
- /* We discard results */
- tcp_sacktag_one(skb, sk, state, dup_sack, pcount);
+ /* Adjust counters and hints for the newly sacked sequence range but
+ * discard the return value since prev is already marked.
+ */
+ tcp_sacktag_one(sk, state, TCP_SKB_CB(skb)->sacked,
+ start_seq, end_seq, dup_sack, pcount);
/* Difference in this won't matter, both ACKed by the same cumul. ACK */
TCP_SKB_CB(prev)->sacked |= (TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS);
@@ -1664,10 +1673,14 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk,
break;
if (in_sack) {
- TCP_SKB_CB(skb)->sacked = tcp_sacktag_one(skb, sk,
- state,
- dup_sack,
- tcp_skb_pcount(skb));
+ TCP_SKB_CB(skb)->sacked =
+ tcp_sacktag_one(sk,
+ state,
+ TCP_SKB_CB(skb)->sacked,
+ TCP_SKB_CB(skb)->seq,
+ TCP_SKB_CB(skb)->end_seq,
+ dup_sack,
+ tcp_skb_pcount(skb));
if (!before(TCP_SKB_CB(skb)->seq,
tcp_highest_sack_seq(tp)))
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 337ba4cca052..94d683a61cba 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -651,6 +651,11 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
arg.iov[0].iov_len, IPPROTO_TCP, 0);
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
+ /* When socket is gone, all binding information is lost.
+ * routing might fail in this case. using iif for oif to
+ * make sure we can deliver it
+ */
+ arg.bound_dev_if = sk ? sk->sk_bound_dev_if : inet_iif(skb);
net = dev_net(skb_dst(skb)->dev);
arg.tos = ip_hdr(skb)->tos;
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index a516d1e399df..cd2e0723266d 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -77,10 +77,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset)
if (sk->sk_err_soft)
shift++;
- if (tcp_too_many_orphans(sk, shift)) {
- if (net_ratelimit())
- printk(KERN_INFO "Out of socket memory\n");
-
+ if (tcp_check_oom(sk, shift)) {
/* Catch exceptional cases, when connection requires reset.
* 1. Last segment was sent recently. */
if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN ||
diff --git a/net/ipv4/xfrm4_mode_beet.c b/net/ipv4/xfrm4_mode_beet.c
index 63418185f524..e3db3f915114 100644
--- a/net/ipv4/xfrm4_mode_beet.c
+++ b/net/ipv4/xfrm4_mode_beet.c
@@ -110,10 +110,7 @@ static int xfrm4_beet_input(struct xfrm_state *x, struct sk_buff *skb)
skb_push(skb, sizeof(*iph));
skb_reset_network_header(skb);
-
- memmove(skb->data - skb->mac_len, skb_mac_header(skb),
- skb->mac_len);
- skb_set_mac_header(skb, -skb->mac_len);
+ skb_mac_header_rebuild(skb);
xfrm4_beet_make_header(skb);
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 534972e114ac..ed4bf11ef9f4 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -66,7 +66,6 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm4_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
- const unsigned char *old_mac;
int err = -EINVAL;
if (XFRM_MODE_SKB_CB(skb)->protocol != IPPROTO_IPIP)
@@ -84,10 +83,9 @@ static int xfrm4_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
if (!(x->props.flags & XFRM_STATE_NOECN))
ipip_ecn_decapsulate(skb);
- old_mac = skb_mac_header(skb);
- skb_set_mac_header(skb, -skb->mac_len);
- memmove(skb_mac_header(skb), old_mac, skb->mac_len);
skb_reset_network_header(skb);
+ skb_mac_header_rebuild(skb);
+
err = 0;
out:
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c7e95c8c579f..5aa3981a3922 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1926,8 +1926,10 @@ static int ip6mr_forward2(struct net *net, struct mr6_table *mrt,
};
dst = ip6_route_output(net, NULL, &fl6);
- if (!dst)
+ if (dst->error) {
+ dst_release(dst);
goto out_free;
+ }
skb_dst_drop(skb);
skb_dst_set(skb, dst);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index d8f02ef88e59..c964958ac470 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1545,9 +1545,10 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
&saddr_buf, &ipv6_hdr(skb)->saddr, dev->ifindex);
dst = ip6_route_output(net, NULL, &fl6);
- if (dst == NULL)
+ if (dst->error) {
+ dst_release(dst);
return;
-
+ }
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
if (IS_ERR(dst))
return;
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index a81ce9450750..9949a356d62c 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -80,7 +80,6 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *ip6h;
- const unsigned char *old_mac;
int size = sizeof(struct ipv6hdr);
int err;
@@ -90,10 +89,7 @@ static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
__skb_push(skb, size);
skb_reset_network_header(skb);
-
- old_mac = skb_mac_header(skb);
- skb_set_mac_header(skb, -skb->mac_len);
- memmove(skb_mac_header(skb), old_mac, skb->mac_len);
+ skb_mac_header_rebuild(skb);
xfrm6_beet_make_header(skb);
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 261e6e6f487e..9f2095b19ad0 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -63,7 +63,6 @@ static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm6_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
int err = -EINVAL;
- const unsigned char *old_mac;
if (XFRM_MODE_SKB_CB(skb)->protocol != IPPROTO_IPV6)
goto out;
@@ -80,10 +79,9 @@ static int xfrm6_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
if (!(x->props.flags & XFRM_STATE_NOECN))
ipip6_ecn_decapsulate(skb);
- old_mac = skb_mac_header(skb);
- skb_set_mac_header(skb, -skb->mac_len);
- memmove(skb_mac_header(skb), old_mac, skb->mac_len);
skb_reset_network_header(skb);
+ skb_mac_header_rebuild(skb);
+
err = 0;
out:
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 2406b3e7393f..d86217d56bd7 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -63,14 +63,14 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
int res = scnprintf(buf, sizeof(buf),
- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
TEST(SHORT_PREAMBLE),
TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
- TEST(TDLS_PEER_AUTH));
+ TEST(TDLS_PEER_AUTH), TEST(RATE_CONTROL));
#undef TEST
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0a0d94ad9b08..b142bd4c2390 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -910,6 +910,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n",
result);
+ ieee80211_led_init(local);
+
rtnl_lock();
result = ieee80211_init_rate_ctrl_alg(local,
@@ -931,8 +933,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
rtnl_unlock();
- ieee80211_led_init(local);
-
local->network_latency_notifier.notifier_call =
ieee80211_max_network_latency;
result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 5a5a7767d541..ad64f4d5271a 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -336,7 +336,7 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
int i;
u32 mask;
- if (sta) {
+ if (sta && test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) {
ista = &sta->sta;
priv_sta = sta->rate_ctrl_priv;
}
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 168427b0ffdc..80cfc006dd74 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -41,7 +41,7 @@ static inline void rate_control_tx_status(struct ieee80211_local *local,
struct ieee80211_sta *ista = &sta->sta;
void *priv_sta = sta->rate_ctrl_priv;
- if (!ref)
+ if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
return;
ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
@@ -62,6 +62,7 @@ static inline void rate_control_rate_init(struct sta_info *sta)
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
+ set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
}
static inline void rate_control_rate_update(struct ieee80211_local *local,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 751409120769..5a5e504a8ffb 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -611,7 +611,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
if (!tid_agg_rx->reorder_buf[index] &&
- tid_agg_rx->stored_mpdu_num > 1) {
+ tid_agg_rx->stored_mpdu_num) {
/*
* No buffers ready to be released, but check whether any
* frames in the reorder buffer have timed out.
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 6f77f12dc3fc..bfed851d0d36 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -52,6 +52,7 @@
* @WLAN_STA_SP: Station is in a service period, so don't try to
* reply to other uAPSD trigger frames or PS-Poll.
* @WLAN_STA_4ADDR_EVENT: 4-addr event was already sent for this frame.
+ * @WLAN_STA_RATE_CONTROL: rate control was initialized for this station.
*/
enum ieee80211_sta_info_flags {
WLAN_STA_AUTH,
@@ -71,6 +72,7 @@ enum ieee80211_sta_info_flags {
WLAN_STA_UAPSD,
WLAN_STA_SP,
WLAN_STA_4ADDR_EVENT,
+ WLAN_STA_RATE_CONTROL,
};
enum ieee80211_sta_state {
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 611c3359b94d..2555816e7788 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -232,6 +232,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
__be16 dport = 0; /* destination port to forward */
unsigned int flags;
struct ip_vs_conn_param param;
+ const union nf_inet_addr fwmark = { .ip = htonl(svc->fwmark) };
union nf_inet_addr snet; /* source network of the client,
after masking */
@@ -267,7 +268,6 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
{
int protocol = iph.protocol;
const union nf_inet_addr *vaddr = &iph.daddr;
- const union nf_inet_addr fwmark = { .ip = htonl(svc->fwmark) };
__be16 vport = 0;
if (dst_port == svc->port) {
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 76613f5a55c0..ed86a3be678e 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -404,19 +404,49 @@ static void __nf_conntrack_hash_insert(struct nf_conn *ct,
&net->ct.hash[repl_hash]);
}
-void nf_conntrack_hash_insert(struct nf_conn *ct)
+int
+nf_conntrack_hash_check_insert(struct nf_conn *ct)
{
struct net *net = nf_ct_net(ct);
unsigned int hash, repl_hash;
+ struct nf_conntrack_tuple_hash *h;
+ struct hlist_nulls_node *n;
u16 zone;
zone = nf_ct_zone(ct);
- hash = hash_conntrack(net, zone, &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
- repl_hash = hash_conntrack(net, zone, &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+ hash = hash_conntrack(net, zone,
+ &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
+ repl_hash = hash_conntrack(net, zone,
+ &ct->tuplehash[IP_CT_DIR_REPLY].tuple);
+
+ spin_lock_bh(&nf_conntrack_lock);
+ /* See if there's one in the list already, including reverse */
+ hlist_nulls_for_each_entry(h, n, &net->ct.hash[hash], hnnode)
+ if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple,
+ &h->tuple) &&
+ zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
+ goto out;
+ hlist_nulls_for_each_entry(h, n, &net->ct.hash[repl_hash], hnnode)
+ if (nf_ct_tuple_equal(&ct->tuplehash[IP_CT_DIR_REPLY].tuple,
+ &h->tuple) &&
+ zone == nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)))
+ goto out;
+
+ add_timer(&ct->timeout);
+ nf_conntrack_get(&ct->ct_general);
__nf_conntrack_hash_insert(ct, hash, repl_hash);
+ NF_CT_STAT_INC(net, insert);
+ spin_unlock_bh(&nf_conntrack_lock);
+
+ return 0;
+
+out:
+ NF_CT_STAT_INC(net, insert_failed);
+ spin_unlock_bh(&nf_conntrack_lock);
+ return -EEXIST;
}
-EXPORT_SYMBOL_GPL(nf_conntrack_hash_insert);
+EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert);
/* Confirm a connection given skb; places it in hash table */
int
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 9307b033c0c9..30c9d4ca0218 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1367,15 +1367,12 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
nf_ct_protonum(ct));
if (helper == NULL) {
rcu_read_unlock();
- spin_unlock_bh(&nf_conntrack_lock);
#ifdef CONFIG_MODULES
if (request_module("nfct-helper-%s", helpname) < 0) {
- spin_lock_bh(&nf_conntrack_lock);
err = -EOPNOTSUPP;
goto err1;
}
- spin_lock_bh(&nf_conntrack_lock);
rcu_read_lock();
helper = __nf_conntrack_helper_find(helpname,
nf_ct_l3num(ct),
@@ -1468,8 +1465,10 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
if (tstamp)
tstamp->start = ktime_to_ns(ktime_get_real());
- add_timer(&ct->timeout);
- nf_conntrack_hash_insert(ct);
+ err = nf_conntrack_hash_check_insert(ct);
+ if (err < 0)
+ goto err2;
+
rcu_read_unlock();
return ct;
@@ -1490,6 +1489,7 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
struct nf_conntrack_tuple otuple, rtuple;
struct nf_conntrack_tuple_hash *h = NULL;
struct nfgenmsg *nfmsg = nlmsg_data(nlh);
+ struct nf_conn *ct;
u_int8_t u3 = nfmsg->nfgen_family;
u16 zone;
int err;
@@ -1510,27 +1510,22 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
return err;
}
- spin_lock_bh(&nf_conntrack_lock);
if (cda[CTA_TUPLE_ORIG])
- h = __nf_conntrack_find(net, zone, &otuple);
+ h = nf_conntrack_find_get(net, zone, &otuple);
else if (cda[CTA_TUPLE_REPLY])
- h = __nf_conntrack_find(net, zone, &rtuple);
+ h = nf_conntrack_find_get(net, zone, &rtuple);
if (h == NULL) {
err = -ENOENT;
if (nlh->nlmsg_flags & NLM_F_CREATE) {
- struct nf_conn *ct;
enum ip_conntrack_events events;
ct = ctnetlink_create_conntrack(net, zone, cda, &otuple,
&rtuple, u3);
- if (IS_ERR(ct)) {
- err = PTR_ERR(ct);
- goto out_unlock;
- }
+ if (IS_ERR(ct))
+ return PTR_ERR(ct);
+
err = 0;
- nf_conntrack_get(&ct->ct_general);
- spin_unlock_bh(&nf_conntrack_lock);
if (test_bit(IPS_EXPECTED_BIT, &ct->status))
events = IPCT_RELATED;
else
@@ -1545,23 +1540,19 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
ct, NETLINK_CB(skb).pid,
nlmsg_report(nlh));
nf_ct_put(ct);
- } else
- spin_unlock_bh(&nf_conntrack_lock);
+ }
return err;
}
/* implicit 'else' */
- /* We manipulate the conntrack inside the global conntrack table lock,
- * so there's no need to increase the refcount */
err = -EEXIST;
+ ct = nf_ct_tuplehash_to_ctrack(h);
if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
- struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h);
-
+ spin_lock_bh(&nf_conntrack_lock);
err = ctnetlink_change_conntrack(ct, cda);
+ spin_unlock_bh(&nf_conntrack_lock);
if (err == 0) {
- nf_conntrack_get(&ct->ct_general);
- spin_unlock_bh(&nf_conntrack_lock);
nf_conntrack_eventmask_report((1 << IPCT_REPLY) |
(1 << IPCT_ASSURED) |
(1 << IPCT_HELPER) |
@@ -1570,15 +1561,10 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
(1 << IPCT_MARK),
ct, NETLINK_CB(skb).pid,
nlmsg_report(nlh));
- nf_ct_put(ct);
- } else
- spin_unlock_bh(&nf_conntrack_lock);
-
- return err;
+ }
}
-out_unlock:
- spin_unlock_bh(&nf_conntrack_lock);
+ nf_ct_put(ct);
return err;
}
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index b3a7db678b8d..ce60cf0f6c11 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -203,6 +203,27 @@ err:
return status;
}
+#ifdef CONFIG_BRIDGE_NETFILTER
+/* When called from bridge netfilter, skb->data must point to MAC header
+ * before calling skb_gso_segment(). Else, original MAC header is lost
+ * and segmented skbs will be sent to wrong destination.
+ */
+static void nf_bridge_adjust_skb_data(struct sk_buff *skb)
+{
+ if (skb->nf_bridge)
+ __skb_push(skb, skb->network_header - skb->mac_header);
+}
+
+static void nf_bridge_adjust_segmented_data(struct sk_buff *skb)
+{
+ if (skb->nf_bridge)
+ __skb_pull(skb, skb->network_header - skb->mac_header);
+}
+#else
+#define nf_bridge_adjust_skb_data(s) do {} while (0)
+#define nf_bridge_adjust_segmented_data(s) do {} while (0)
+#endif
+
int nf_queue(struct sk_buff *skb,
struct list_head *elem,
u_int8_t pf, unsigned int hook,
@@ -212,7 +233,7 @@ int nf_queue(struct sk_buff *skb,
unsigned int queuenum)
{
struct sk_buff *segs;
- int err;
+ int err = -EINVAL;
unsigned int queued;
if (!skb_is_gso(skb))
@@ -228,23 +249,25 @@ int nf_queue(struct sk_buff *skb,
break;
}
+ nf_bridge_adjust_skb_data(skb);
segs = skb_gso_segment(skb, 0);
/* Does not use PTR_ERR to limit the number of error codes that can be
* returned by nf_queue. For instance, callers rely on -ECANCELED to mean
* 'ignore this hook'.
*/
if (IS_ERR(segs))
- return -EINVAL;
-
+ goto out_err;
queued = 0;
err = 0;
do {
struct sk_buff *nskb = segs->next;
segs->next = NULL;
- if (err == 0)
+ if (err == 0) {
+ nf_bridge_adjust_segmented_data(segs);
err = __nf_queue(segs, elem, pf, hook, indev,
outdev, okfn, queuenum);
+ }
if (err == 0)
queued++;
else
@@ -252,11 +275,12 @@ int nf_queue(struct sk_buff *skb,
segs = nskb;
} while (segs);
- /* also free orig skb if only some segments were queued */
- if (unlikely(err && queued))
- err = 0;
- if (err == 0)
+ if (queued) {
kfree_skb(skb);
+ return 0;
+ }
+ out_err:
+ nf_bridge_adjust_segmented_data(skb);
return err;
}
diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c
index 3aae66facf9f..4d5057902839 100644
--- a/net/netfilter/xt_TEE.c
+++ b/net/netfilter/xt_TEE.c
@@ -152,9 +152,10 @@ tee_tg_route6(struct sk_buff *skb, const struct xt_tee_tginfo *info)
fl6.flowlabel = ((iph->flow_lbl[0] & 0xF) << 16) |
(iph->flow_lbl[1] << 8) | iph->flow_lbl[2];
dst = ip6_route_output(net, NULL, &fl6);
- if (dst == NULL)
+ if (dst->error) {
+ dst_release(dst);
return false;
-
+ }
skb_dst_drop(skb);
skb_dst_set(skb, dst);
skb->dev = dst->dev;
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 4cba13e46ffd..ae3a035f5390 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -232,7 +232,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ,
if (toklen <= (n_parts + 1) * 4)
return -EINVAL;
- princ->name_parts = kcalloc(sizeof(char *), n_parts, GFP_KERNEL);
+ princ->name_parts = kcalloc(n_parts, sizeof(char *), GFP_KERNEL);
if (!princ->name_parts)
return -ENOMEM;
@@ -355,7 +355,7 @@ static int rxrpc_krb5_decode_tagged_array(struct krb5_tagged_data **_td,
_debug("n_elem %d", n_elem);
- td = kcalloc(sizeof(struct krb5_tagged_data), n_elem,
+ td = kcalloc(n_elem, sizeof(struct krb5_tagged_data),
GFP_KERNEL);
if (!td)
return -ENOMEM;
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index e465064d39a3..7e267d7b9c75 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -148,8 +148,7 @@ struct choke_skb_cb {
static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(skb->cb) <
- sizeof(struct qdisc_skb_cb) + sizeof(struct choke_skb_cb));
+ qdisc_cb_private_validate(skb, sizeof(struct choke_skb_cb));
return (struct choke_skb_cb *)qdisc_skb_cb(skb)->data;
}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 2776012132ea..5da548fa7ae9 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -130,8 +130,7 @@ struct netem_skb_cb {
static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(skb->cb) <
- sizeof(struct qdisc_skb_cb) + sizeof(struct netem_skb_cb));
+ qdisc_cb_private_validate(skb, sizeof(struct netem_skb_cb));
return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data;
}
@@ -502,9 +501,8 @@ tfifo_dequeue:
/* if more time remaining? */
if (cb->time_to_send <= psched_get_time()) {
- skb = qdisc_dequeue_tail(sch);
- if (unlikely(!skb))
- goto qdisc_dequeue;
+ __skb_unlink(skb, &sch->q);
+ sch->qstats.backlog -= qdisc_pkt_len(skb);
#ifdef CONFIG_NET_CLS_ACT
/*
@@ -540,7 +538,6 @@ deliver:
qdisc_watchdog_schedule(&q->watchdog, cb->time_to_send);
}
-qdisc_dequeue:
if (q->qdisc) {
skb = q->qdisc->ops->dequeue(q->qdisc);
if (skb)
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 96e42cae4c7a..d7eea99333e9 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -94,8 +94,7 @@ struct sfb_skb_cb {
static inline struct sfb_skb_cb *sfb_skb_cb(const struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(skb->cb) <
- sizeof(struct qdisc_skb_cb) + sizeof(struct sfb_skb_cb));
+ qdisc_cb_private_validate(skb, sizeof(struct sfb_skb_cb));
return (struct sfb_skb_cb *)qdisc_skb_cb(skb)->data;
}
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 67494aef9acf..60d47180f043 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -166,9 +166,8 @@ struct sfq_skb_cb {
static inline struct sfq_skb_cb *sfq_skb_cb(const struct sk_buff *skb)
{
- BUILD_BUG_ON(sizeof(skb->cb) <
- sizeof(struct qdisc_skb_cb) + sizeof(struct sfq_skb_cb));
- return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data;
+ qdisc_cb_private_validate(skb, sizeof(struct sfq_skb_cb));
+ return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data;
}
static unsigned int sfq_hash(const struct sfq_sched_data *q,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 18:35:00 +0000