Merge remote-tracking branches 'asoc/topic/atmel', 'asoc/topic/bcm2835' and 'asoc...

[cascardo/linux.git] / net / ipv6 / tcp_ipv6.c

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index db9f1c3..5c8c842 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -61,7 +61,6 @@
 #include <net/timewait_sock.h>
 #include <net/inet_common.h>
 #include <net/secure_seq.h>
-#include <net/tcp_memcontrol.h>
 #include <net/busy_poll.h>
 
 #include <linux/proc_fs.h>
@@ -328,6 +327,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
        struct tcp_sock *tp;
        __u32 seq, snd_una;
        struct sock *sk;
+       bool fatal;
        int err;
 
        sk = __inet6_lookup_established(net, &tcp_hashinfo,
@@ -346,8 +346,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                return;
        }
        seq = ntohl(th->seq);
+       fatal = icmpv6_err_convert(type, code, &err);
        if (sk->sk_state == TCP_NEW_SYN_RECV)
-               return tcp_req_err(sk, seq);
+               return tcp_req_err(sk, seq, fatal);
 
        bh_lock_sock(sk);
        if (sock_owned_by_user(sk) && type != ICMPV6_PKT_TOOBIG)
@@ -401,7 +402,6 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                goto out;
        }
 
-       icmpv6_err_convert(type, code, &err);
 
        /* Might be for an request_sock */
        switch (sk->sk_state) {
@@ -1387,7 +1387,7 @@ process:
 
        if (sk->sk_state == TCP_NEW_SYN_RECV) {
                struct request_sock *req = inet_reqsk(sk);
-               struct sock *nsk = NULL;
+               struct sock *nsk;
 
                sk = req->rsk_listener;
                tcp_v6_fill_cb(skb, hdr, th);
@@ -1395,24 +1395,24 @@ process:
                        reqsk_put(req);
                        goto discard_it;
                }
-               if (likely(sk->sk_state == TCP_LISTEN)) {
-                       nsk = tcp_check_req(sk, skb, req, false);
-               } else {
+               if (unlikely(sk->sk_state != TCP_LISTEN)) {
                        inet_csk_reqsk_queue_drop_and_put(sk, req);
                        goto lookup;
                }
+               sock_hold(sk);
+               nsk = tcp_check_req(sk, skb, req, false);
                if (!nsk) {
                        reqsk_put(req);
-                       goto discard_it;
+                       goto discard_and_relse;
                }
                if (nsk == sk) {
-                       sock_hold(sk);
                        reqsk_put(req);
                        tcp_v6_restore_cb(skb);
                } else if (tcp_child_process(sk, nsk, skb)) {
                        tcp_v6_send_reset(nsk, skb);
-                       goto discard_it;
+                       goto discard_and_relse;
                } else {
+                       sock_put(sk);
                        return 0;
                }
        }
@@ -1888,9 +1888,6 @@ struct proto tcpv6_prot = {
 #ifdef CONFIG_COMPAT
        .compat_setsockopt      = compat_tcp_setsockopt,
        .compat_getsockopt      = compat_tcp_getsockopt,
-#endif
-#ifdef CONFIG_MEMCG_KMEM
-       .proto_cgroup           = tcp_proto_cgroup,
 #endif
        .clear_sk               = tcp_v6_clear_sk,
        .diag_destroy           = tcp_abort,