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-rw-r--r--net/ipv4/af_inet.c4
-rw-r--r--net/ipv4/ah4.c2
-rw-r--r--net/ipv4/arp.c2
-rw-r--r--net/ipv4/devinet.c6
-rw-r--r--net/ipv4/fib_semantics.c4
-rw-r--r--net/ipv4/gre_demux.c12
-rw-r--r--net/ipv4/icmp.c2
-rw-r--r--net/ipv4/inet_connection_sock.c56
-rw-r--r--net/ipv4/inet_diag.c44
-rw-r--r--net/ipv4/ip_output.c2
-rw-r--r--net/ipv4/ipmr.c2
-rw-r--r--net/ipv4/netfilter/nf_log_ipv4.c2
-rw-r--r--net/ipv4/netfilter/nf_nat_pptp.c4
-rw-r--r--net/ipv4/nexthop.c2
-rw-r--r--net/ipv4/raw.c2
-rw-r--r--net/ipv4/raw_diag.c5
-rw-r--r--net/ipv4/sysctl_net_ipv4.c9
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_input.c6
-rw-r--r--net/ipv4/tcp_ipv4.c4
-rw-r--r--net/ipv4/tcp_minisocks.c1
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv4/udp_diag.c5
23 files changed, 118 insertions, 65 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 2fe295432c24..bd7b4e92e07f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -872,7 +872,7 @@ int inet_shutdown(struct socket *sock, int how)
err = -ENOTCONN;
/* Hack to wake up other listeners, who can poll for
EPOLLHUP, even on eg. unconnected UDP sockets -- RR */
- /* fall through */
+ fallthrough;
default:
sk->sk_shutdown |= how;
if (sk->sk_prot->shutdown)
@@ -886,7 +886,7 @@ int inet_shutdown(struct socket *sock, int how)
case TCP_LISTEN:
if (!(how & RCV_SHUTDOWN))
break;
- /* fall through */
+ fallthrough;
case TCP_SYN_SENT:
err = sk->sk_prot->disconnect(sk, O_NONBLOCK);
sock->state = err ? SS_DISCONNECTING : SS_UNCONNECTED;
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 974179b3b314..d99e1be94019 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -107,7 +107,7 @@ static int ip_clear_mutable_options(const struct iphdr *iph, __be32 *daddr)
if (optlen < 6)
return -EINVAL;
memcpy(daddr, optptr+optlen-4, 4);
- /* Fall through */
+ fallthrough;
default:
memset(optptr, 0, optlen);
}
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 05eb42f347e8..687971d83b4e 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1181,7 +1181,7 @@ int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg)
case SIOCSARP:
if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
return -EPERM;
- /* fall through */
+ fallthrough;
case SIOCGARP:
err = copy_from_user(&r, arg, sizeof(struct arpreq));
if (err)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e4632bd2026d..30fa42f5997d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1566,11 +1566,11 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
}
}
ip_mc_up(in_dev);
- /* fall through */
+ fallthrough;
case NETDEV_CHANGEADDR:
if (!IN_DEV_ARP_NOTIFY(in_dev))
break;
- /* fall through */
+ fallthrough;
case NETDEV_NOTIFY_PEERS:
/* Send gratuitous ARP to notify of link change */
inetdev_send_gratuitous_arp(dev, in_dev);
@@ -1588,7 +1588,7 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
if (inetdev_valid_mtu(dev->mtu))
break;
/* disable IP when MTU is not enough */
- /* fall through */
+ fallthrough;
case NETDEV_UNREGISTER:
inetdev_destroy(in_dev);
break;
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index a803cdd9400a..e4c62b8f57a8 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1962,7 +1962,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force)
case NETDEV_DOWN:
case NETDEV_UNREGISTER:
nexthop_nh->fib_nh_flags |= RTNH_F_DEAD;
- /* fall through */
+ fallthrough;
case NETDEV_CHANGE:
nexthop_nh->fib_nh_flags |= RTNH_F_LINKDOWN;
break;
@@ -1984,7 +1984,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force)
case NETDEV_DOWN:
case NETDEV_UNREGISTER:
fi->fib_flags |= RTNH_F_DEAD;
- /* fall through */
+ fallthrough;
case NETDEV_CHANGE:
fi->fib_flags |= RTNH_F_LINKDOWN;
break;
diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c
index 5fd6e8ed02b5..66fdbfe5447c 100644
--- a/net/ipv4/gre_demux.c
+++ b/net/ipv4/gre_demux.c
@@ -56,7 +56,9 @@ int gre_del_protocol(const struct gre_protocol *proto, u8 version)
}
EXPORT_SYMBOL_GPL(gre_del_protocol);
-/* Fills in tpi and returns header length to be pulled. */
+/* Fills in tpi and returns header length to be pulled.
+ * Note that caller must use pskb_may_pull() before pulling GRE header.
+ */
int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
bool *csum_err, __be16 proto, int nhs)
{
@@ -110,8 +112,14 @@ int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
* - When dealing with WCCPv2, Skip extra 4 bytes in GRE header
*/
if (greh->flags == 0 && tpi->proto == htons(ETH_P_WCCP)) {
+ u8 _val, *val;
+
+ val = skb_header_pointer(skb, nhs + hdr_len,
+ sizeof(_val), &_val);
+ if (!val)
+ return -EINVAL;
tpi->proto = proto;
- if ((*(u8 *)options & 0xF0) != 0x40)
+ if ((*val & 0xF0) != 0x40)
hdr_len += 4;
}
tpi->hdr_len = hdr_len;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index f369e7ce685b..fc61f51d87a3 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -865,7 +865,7 @@ static bool icmp_unreach(struct sk_buff *skb)
case 3:
if (!icmp_tag_validation(iph->protocol))
goto out;
- /* fall through */
+ fallthrough;
case 0:
info = ntohs(icmph->un.frag.mtu);
}
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index a4db79b1b643..5f34eb951627 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -131,7 +131,7 @@ static int inet_csk_bind_conflict(const struct sock *sk,
{
struct sock *sk2;
bool reuse = sk->sk_reuse;
- bool reuseport = !!sk->sk_reuseport && reuseport_ok;
+ bool reuseport = !!sk->sk_reuseport;
kuid_t uid = sock_i_uid((struct sock *)sk);
/*
@@ -146,17 +146,21 @@ static int inet_csk_bind_conflict(const struct sock *sk,
(!sk->sk_bound_dev_if ||
!sk2->sk_bound_dev_if ||
sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
- if ((!reuse || !sk2->sk_reuse ||
- sk2->sk_state == TCP_LISTEN) &&
- (!reuseport || !sk2->sk_reuseport ||
- rcu_access_pointer(sk->sk_reuseport_cb) ||
- (sk2->sk_state != TCP_TIME_WAIT &&
- !uid_eq(uid, sock_i_uid(sk2))))) {
- if (inet_rcv_saddr_equal(sk, sk2, true))
- break;
- }
- if (!relax && reuse && sk2->sk_reuse &&
+ if (reuse && sk2->sk_reuse &&
sk2->sk_state != TCP_LISTEN) {
+ if ((!relax ||
+ (!reuseport_ok &&
+ reuseport && sk2->sk_reuseport &&
+ !rcu_access_pointer(sk->sk_reuseport_cb) &&
+ (sk2->sk_state == TCP_TIME_WAIT ||
+ uid_eq(uid, sock_i_uid(sk2))))) &&
+ inet_rcv_saddr_equal(sk, sk2, true))
+ break;
+ } else if (!reuseport_ok ||
+ !reuseport || !sk2->sk_reuseport ||
+ rcu_access_pointer(sk->sk_reuseport_cb) ||
+ (sk2->sk_state != TCP_TIME_WAIT &&
+ !uid_eq(uid, sock_i_uid(sk2)))) {
if (inet_rcv_saddr_equal(sk, sk2, true))
break;
}
@@ -176,12 +180,14 @@ inet_csk_find_open_port(struct sock *sk, struct inet_bind_bucket **tb_ret, int *
int port = 0;
struct inet_bind_hashbucket *head;
struct net *net = sock_net(sk);
+ bool relax = false;
int i, low, high, attempt_half;
struct inet_bind_bucket *tb;
u32 remaining, offset;
int l3mdev;
l3mdev = inet_sk_bound_l3mdev(sk);
+ports_exhausted:
attempt_half = (sk->sk_reuse == SK_CAN_REUSE) ? 1 : 0;
other_half_scan:
inet_get_local_port_range(net, &low, &high);
@@ -219,7 +225,7 @@ other_parity_scan:
inet_bind_bucket_for_each(tb, &head->chain)
if (net_eq(ib_net(tb), net) && tb->l3mdev == l3mdev &&
tb->port == port) {
- if (!inet_csk_bind_conflict(sk, tb, false, false))
+ if (!inet_csk_bind_conflict(sk, tb, relax, false))
goto success;
goto next_port;
}
@@ -239,6 +245,12 @@ next_port:
attempt_half = 2;
goto other_half_scan;
}
+
+ if (net->ipv4.sysctl_ip_autobind_reuse && !relax) {
+ /* We still have a chance to connect to different destinations */
+ relax = true;
+ goto ports_exhausted;
+ }
return NULL;
success:
*port_ret = port;
@@ -482,8 +494,28 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern)
}
spin_unlock_bh(&queue->fastopenq.lock);
}
+
out:
release_sock(sk);
+ if (newsk && mem_cgroup_sockets_enabled) {
+ int amt;
+
+ /* atomically get the memory usage, set and charge the
+ * newsk->sk_memcg.
+ */
+ lock_sock(newsk);
+
+ /* The socket has not been accepted yet, no need to look at
+ * newsk->sk_wmem_queued.
+ */
+ amt = sk_mem_pages(newsk->sk_forward_alloc +
+ atomic_read(&newsk->sk_rmem_alloc));
+ mem_cgroup_sk_alloc(newsk);
+ if (newsk->sk_memcg && amt)
+ mem_cgroup_charge_skmem(newsk->sk_memcg, amt);
+
+ release_sock(newsk);
+ }
if (req)
reqsk_put(req);
return newsk;
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index e1cad25909df..5d50aad3cdbf 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -101,13 +101,9 @@ static size_t inet_sk_attr_size(struct sock *sk,
aux = handler->idiag_get_aux_size(sk, net_admin);
return nla_total_size(sizeof(struct tcp_info))
- + nla_total_size(1) /* INET_DIAG_SHUTDOWN */
- + nla_total_size(1) /* INET_DIAG_TOS */
- + nla_total_size(1) /* INET_DIAG_TCLASS */
- + nla_total_size(4) /* INET_DIAG_MARK */
- + nla_total_size(4) /* INET_DIAG_CLASS_ID */
- + nla_total_size(sizeof(struct inet_diag_meminfo))
+ nla_total_size(sizeof(struct inet_diag_msg))
+ + inet_diag_msg_attrs_size()
+ + nla_total_size(sizeof(struct inet_diag_meminfo))
+ nla_total_size(SK_MEMINFO_VARS * sizeof(u32))
+ nla_total_size(TCP_CA_NAME_MAX)
+ nla_total_size(sizeof(struct tcpvegas_info))
@@ -148,6 +144,24 @@ int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
if (net_admin && nla_put_u32(skb, INET_DIAG_MARK, sk->sk_mark))
goto errout;
+ if (ext & (1 << (INET_DIAG_CLASS_ID - 1)) ||
+ ext & (1 << (INET_DIAG_TCLASS - 1))) {
+ u32 classid = 0;
+
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ classid = sock_cgroup_classid(&sk->sk_cgrp_data);
+#endif
+ /* Fallback to socket priority if class id isn't set.
+ * Classful qdiscs use it as direct reference to class.
+ * For cgroup2 classid is always zero.
+ */
+ if (!classid)
+ classid = sk->sk_priority;
+
+ if (nla_put_u32(skb, INET_DIAG_CLASS_ID, classid))
+ goto errout;
+ }
+
r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
r->idiag_inode = sock_i_ino(sk);
@@ -289,24 +303,6 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
goto errout;
}
- if (ext & (1 << (INET_DIAG_CLASS_ID - 1)) ||
- ext & (1 << (INET_DIAG_TCLASS - 1))) {
- u32 classid = 0;
-
-#ifdef CONFIG_SOCK_CGROUP_DATA
- classid = sock_cgroup_classid(&sk->sk_cgrp_data);
-#endif
- /* Fallback to socket priority if class id isn't set.
- * Classful qdiscs use it as direct reference to class.
- * For cgroup2 classid is always zero.
- */
- if (!classid)
- classid = sk->sk_priority;
-
- if (nla_put_u32(skb, INET_DIAG_CLASS_ID, classid))
- goto errout;
- }
-
/* Keep it at the end for potential retry with a larger skb,
* or else do best-effort fitting, which is only done for the
* first_nlmsg.
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index d84819893db9..aaaaf907e0d8 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -333,7 +333,7 @@ static int ip_mc_finish_output(struct net *net, struct sock *sk,
switch (ret) {
case NET_XMIT_CN:
do_cn = true;
- /* fall through */
+ fallthrough;
case NET_XMIT_SUCCESS:
break;
default:
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 6e68def66822..9cf83cc85e4a 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1465,7 +1465,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval,
case MRT_ADD_MFC:
case MRT_DEL_MFC:
parent = -1;
- /* fall through */
+ fallthrough;
case MRT_ADD_MFC_PROXY:
case MRT_DEL_MFC_PROXY:
if (optlen != sizeof(mfc)) {
diff --git a/net/ipv4/netfilter/nf_log_ipv4.c b/net/ipv4/netfilter/nf_log_ipv4.c
index 4b2d49cc9f1a..0c72156130b6 100644
--- a/net/ipv4/netfilter/nf_log_ipv4.c
+++ b/net/ipv4/netfilter/nf_log_ipv4.c
@@ -173,7 +173,7 @@ static void dump_ipv4_packet(struct net *net, struct nf_log_buf *m,
case ICMP_REDIRECT:
/* Max length: 24 "GATEWAY=255.255.255.255 " */
nf_log_buf_add(m, "GATEWAY=%pI4 ", &ich->un.gateway);
- /* Fall through */
+ fallthrough;
case ICMP_DEST_UNREACH:
case ICMP_SOURCE_QUENCH:
case ICMP_TIME_EXCEEDED:
diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index b2aeb7bf5dac..3c25a467b3ef 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -168,7 +168,7 @@ pptp_outbound_pkt(struct sk_buff *skb,
pr_debug("unknown outbound packet 0x%04x:%s\n", msg,
msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] :
pptp_msg_name[0]);
- /* fall through */
+ fallthrough;
case PPTP_SET_LINK_INFO:
/* only need to NAT in case PAC is behind NAT box */
case PPTP_START_SESSION_REQUEST:
@@ -271,7 +271,7 @@ pptp_inbound_pkt(struct sk_buff *skb,
pr_debug("unknown inbound packet %s\n",
msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] :
pptp_msg_name[0]);
- /* fall through */
+ fallthrough;
case PPTP_START_SESSION_REQUEST:
case PPTP_START_SESSION_REPLY:
case PPTP_STOP_SESSION_REQUEST:
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index d072c326dd64..fdfca534d094 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -1327,7 +1327,7 @@ static int rtm_to_nh_config(struct net *net, struct sk_buff *skb,
case AF_UNSPEC:
if (tb[NHA_GROUP])
break;
- /* fallthrough */
+ fallthrough;
default:
NL_SET_ERR_MSG(extack, "Invalid address family");
goto out;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 3183413ebc6c..47665919048f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -1034,6 +1034,7 @@ static struct sock *raw_get_idx(struct seq_file *seq, loff_t pos)
}
void *raw_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(&h->lock)
{
struct raw_hashinfo *h = PDE_DATA(file_inode(seq->file));
@@ -1056,6 +1057,7 @@ void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos)
EXPORT_SYMBOL_GPL(raw_seq_next);
void raw_seq_stop(struct seq_file *seq, void *v)
+ __releases(&h->lock)
{
struct raw_hashinfo *h = PDE_DATA(file_inode(seq->file));
diff --git a/net/ipv4/raw_diag.c b/net/ipv4/raw_diag.c
index d19cce39be1b..1b5b8af27aaf 100644
--- a/net/ipv4/raw_diag.c
+++ b/net/ipv4/raw_diag.c
@@ -101,8 +101,9 @@ static int raw_diag_dump_one(struct netlink_callback *cb,
if (IS_ERR(sk))
return PTR_ERR(sk);
- rep = nlmsg_new(sizeof(struct inet_diag_msg) +
- sizeof(struct inet_diag_meminfo) + 64,
+ rep = nlmsg_new(nla_total_size(sizeof(struct inet_diag_msg)) +
+ inet_diag_msg_attrs_size() +
+ nla_total_size(sizeof(struct inet_diag_meminfo)) + 64,
GFP_KERNEL);
if (!rep) {
sock_put(sk);
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index d9531b4b33f2..81b267e990a1 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -764,6 +764,15 @@ static struct ctl_table ipv4_net_table[] = {
.proc_handler = proc_dointvec
},
{
+ .procname = "ip_autobind_reuse",
+ .data = &init_net.ipv4.sysctl_ip_autobind_reuse,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ },
+ {
.procname = "fwmark_reflect",
.data = &init_net.ipv4.sysctl_fwmark_reflect,
.maxlen = sizeof(int),
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 48aa457a9516..5c57850fab4b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2251,7 +2251,7 @@ void tcp_set_state(struct sock *sk, int state)
if (inet_csk(sk)->icsk_bind_hash &&
!(sk->sk_userlocks & SOCK_BINDPORT_LOCK))
inet_put_port(sk);
- /* fall through */
+ fallthrough;
default:
if (oldstate == TCP_ESTABLISHED)
TCP_DEC_STATS(sock_net(sk), TCP_MIB_CURRESTAB);
@@ -3344,6 +3344,7 @@ static size_t tcp_opt_stats_get_size(void)
nla_total_size(sizeof(u32)) + /* TCP_NLA_REORD_SEEN */
nla_total_size(sizeof(u32)) + /* TCP_NLA_SRTT */
nla_total_size(sizeof(u16)) + /* TCP_NLA_TIMEOUT_REHASH */
+ nla_total_size(sizeof(u32)) + /* TCP_NLA_BYTES_NOTSENT */
0;
}
@@ -3399,6 +3400,8 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk)
nla_put_u32(stats, TCP_NLA_REORD_SEEN, tp->reord_seen);
nla_put_u32(stats, TCP_NLA_SRTT, tp->srtt_us >> 3);
nla_put_u16(stats, TCP_NLA_TIMEOUT_REHASH, tp->timeout_rehash);
+ nla_put_u32(stats, TCP_NLA_BYTES_NOTSENT,
+ max_t(int, 0, tp->write_seq - tp->snd_nxt));
return stats;
}
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 6b6b57000dad..bf4ced9273e8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2865,7 +2865,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
(*ack_flag & FLAG_LOST_RETRANS)))
return;
/* Change state if cwnd is undone or retransmits are lost */
- /* fall through */
+ fallthrough;
default:
if (tcp_is_reno(tp)) {
if (flag & FLAG_SND_UNA_ADVANCED)
@@ -6367,7 +6367,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
mptcp_incoming_options(sk, skb, &tp->rx_opt);
break;
}
- /* fall through */
+ fallthrough;
case TCP_FIN_WAIT1:
case TCP_FIN_WAIT2:
/* RFC 793 says to queue data in these states,
@@ -6382,7 +6382,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
return 1;
}
}
- /* Fall through */
+ fallthrough;
case TCP_ESTABLISHED:
tcp_data_queue(sk, skb);
queued = 1;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 52acf0bc2ee5..83a5d24e13b8 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2072,7 +2072,7 @@ do_time_wait:
}
}
/* to ACK */
- /* fall through */
+ fallthrough;
case TCP_TW_ACK:
tcp_v4_timewait_ack(sk, skb);
break;
@@ -2368,7 +2368,7 @@ static void *tcp_seek_last_pos(struct seq_file *seq)
break;
st->bucket = 0;
st->state = TCP_SEQ_STATE_ESTABLISHED;
- /* Fallthrough */
+ fallthrough;
case TCP_SEQ_STATE_ESTABLISHED:
if (st->bucket > tcp_hashinfo.ehash_mask)
break;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index c8274371c3d0..03af7c3e75ef 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -819,6 +819,7 @@ EXPORT_SYMBOL(tcp_check_req);
int tcp_child_process(struct sock *parent, struct sock *child,
struct sk_buff *skb)
+ __releases(&((child)->sk_lock.slock))
{
int ret = 0;
int state = child->sk_state;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index a68e2ac37f26..2633fc231593 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2563,7 +2563,7 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
case UDP_ENCAP_ESPINUDP_NON_IKE:
up->encap_rcv = xfrm4_udp_encap_rcv;
#endif
- /* FALLTHROUGH */
+ fallthrough;
case UDP_ENCAP_L2TPINUDP:
up->encap_type = val;
lock_sock(sk);
diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c
index 93884696abdd..1dbece34496e 100644
--- a/net/ipv4/udp_diag.c
+++ b/net/ipv4/udp_diag.c
@@ -63,8 +63,9 @@ static int udp_dump_one(struct udp_table *tbl,
goto out;
err = -ENOMEM;
- rep = nlmsg_new(sizeof(struct inet_diag_msg) +
- sizeof(struct inet_diag_meminfo) + 64,
+ rep = nlmsg_new(nla_total_size(sizeof(struct inet_diag_msg)) +
+ inet_diag_msg_attrs_size() +
+ nla_total_size(sizeof(struct inet_diag_meminfo)) + 64,
GFP_KERNEL);
if (!rep)
goto out;