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Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c20
1 files changed, 4 insertions, 16 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index cd601a866c2f..ffe869ac1bcf 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -85,10 +85,6 @@
85int sysctl_tcp_tw_reuse __read_mostly; 85int sysctl_tcp_tw_reuse __read_mostly;
86int sysctl_tcp_low_latency __read_mostly; 86int sysctl_tcp_low_latency __read_mostly;
87 87
88/* Check TCP sequence numbers in ICMP packets. */
89#define ICMP_MIN_LENGTH 8
90
91void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb);
92 88
93#ifdef CONFIG_TCP_MD5SIG 89#ifdef CONFIG_TCP_MD5SIG
94static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk, 90static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk,
@@ -1285,7 +1281,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
1285 if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) 1281 if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1)
1286 goto drop; 1282 goto drop;
1287 1283
1288 req = reqsk_alloc(&tcp_request_sock_ops); 1284 req = inet_reqsk_alloc(&tcp_request_sock_ops);
1289 if (!req) 1285 if (!req)
1290 goto drop; 1286 goto drop;
1291 1287
@@ -1918,14 +1914,6 @@ int tcp_v4_destroy_sock(struct sock *sk)
1918 sk->sk_sndmsg_page = NULL; 1914 sk->sk_sndmsg_page = NULL;
1919 } 1915 }
1920 1916
1921 if (tp->defer_tcp_accept.request) {
1922 reqsk_free(tp->defer_tcp_accept.request);
1923 sock_put(tp->defer_tcp_accept.listen_sk);
1924 sock_put(sk);
1925 tp->defer_tcp_accept.listen_sk = NULL;
1926 tp->defer_tcp_accept.request = NULL;
1927 }
1928
1929 atomic_dec(&tcp_sockets_allocated); 1917 atomic_dec(&tcp_sockets_allocated);
1930 1918
1931 return 0; 1919 return 0;
@@ -2303,7 +2291,7 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
2303 } 2291 }
2304 2292
2305 seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX " 2293 seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
2306 "%08X %5d %8d %lu %d %p %u %u %u %u %d%n", 2294 "%08X %5d %8d %lu %d %p %lu %lu %u %u %d%n",
2307 i, src, srcp, dest, destp, sk->sk_state, 2295 i, src, srcp, dest, destp, sk->sk_state,
2308 tp->write_seq - tp->snd_una, 2296 tp->write_seq - tp->snd_una,
2309 sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog : 2297 sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog :
@@ -2315,8 +2303,8 @@ static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
2315 icsk->icsk_probes_out, 2303 icsk->icsk_probes_out,
2316 sock_i_ino(sk), 2304 sock_i_ino(sk),
2317 atomic_read(&sk->sk_refcnt), sk, 2305 atomic_read(&sk->sk_refcnt), sk,
2318 icsk->icsk_rto, 2306 jiffies_to_clock_t(icsk->icsk_rto),
2319 icsk->icsk_ack.ato, 2307 jiffies_to_clock_t(icsk->icsk_ack.ato),
2320 (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong, 2308 (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
2321 tp->snd_cwnd, 2309 tp->snd_cwnd,
2322 tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh, 2310 tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh,