These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / net / dccp / minisocks.c

diff --git a/kernel/net/dccp/minisocks.c b/kernel/net/dccp/minisocks.c
index 30addee..1994f8a 100644 (file)
--- a/kernel/net/dccp/minisocks.c
+++ b/kernel/net/dccp/minisocks.c
@@ -48,8 +48,6 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
                        tw->tw_ipv6only = sk->sk_ipv6only;
                }
 #endif
-               /* Linkage updates. */
-               __inet_twsk_hashdance(tw, sk, &dccp_hashinfo);
 
                /* Get the TIME_WAIT timeout firing. */
                if (timeo < rto)
@@ -60,6 +58,8 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
                        timeo = DCCP_TIMEWAIT_LEN;
 
                inet_twsk_schedule(tw, timeo);
+               /* Linkage updates. */
+               __inet_twsk_hashdance(tw, sk, &dccp_hashinfo);
                inet_twsk_put(tw);
        } else {
                /* Sorry, if we're out of memory, just CLOSE this
@@ -72,7 +72,7 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
        dccp_done(sk);
 }
 
-struct sock *dccp_create_openreq_child(struct sock *sk,
+struct sock *dccp_create_openreq_child(const struct sock *sk,
                                       const struct request_sock *req,
                                       const struct sk_buff *skb)
 {
@@ -143,6 +143,7 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
 {
        struct sock *child = NULL;
        struct dccp_request_sock *dreq = dccp_rsk(req);
+       bool own_req;
 
        /* Check for retransmitted REQUEST */
        if (dccp_hdr(skb)->dccph_type == DCCP_PKT_REQUEST) {
@@ -182,14 +183,13 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
        if (dccp_parse_options(sk, dreq, skb))
                 goto drop;
 
-       child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, req, NULL);
-       if (child == NULL)
+       child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, req, NULL,
+                                                        req, &own_req);
+       if (!child)
                goto listen_overflow;
 
-       inet_csk_reqsk_queue_drop(sk, req);
-       inet_csk_reqsk_queue_add(sk, req, child);
-out:
-       return child;
+       return inet_csk_complete_hashdance(sk, child, req, own_req);
+
 listen_overflow:
        dccp_pr_debug("listen_overflow!\n");
        DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_TOO_BUSY;
@@ -198,7 +198,7 @@ drop:
                req->rsk_ops->send_reset(sk, skb);
 
        inet_csk_reqsk_queue_drop(sk, req);
-       goto out;
+       return NULL;
 }
 
 EXPORT_SYMBOL_GPL(dccp_check_req);
@@ -236,7 +236,7 @@ int dccp_child_process(struct sock *parent, struct sock *child,
 
 EXPORT_SYMBOL_GPL(dccp_child_process);
 
-void dccp_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
+void dccp_reqsk_send_ack(const struct sock *sk, struct sk_buff *skb,
                         struct request_sock *rsk)
 {
        DCCP_BUG("DCCP-ACK packets are never sent in LISTEN/RESPOND state");