[DCCP]: More precisely set reset_code when sending RESET packets

[pandora-kernel.git] / net / dccp / ipv4.c

diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 3fc75db..e09907d 100644 (file)
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -641,16 +641,12 @@ int dccp_v4_send_reset(struct sock *sk, enum dccp_reset_codes code)
 
        skb = dccp_make_reset(sk, sk->sk_dst_cache, code);
        if (skb != NULL) {
-               const struct dccp_sock *dp = dccp_sk(sk);
                const struct inet_sock *inet = inet_sk(sk);
 
                err = ip_build_and_send_pkt(skb, sk,
                                            inet->saddr, inet->daddr, NULL);
                if (err == NET_XMIT_CN)
                        err = 0;
-
-               ccid_hc_rx_exit(dp->dccps_hc_rx_ccid, sk);
-               ccid_hc_tx_exit(dp->dccps_hc_tx_ccid, sk);
        }
 
        return err;
@@ -673,12 +669,16 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
        struct dccp_request_sock *dreq;
        const __u32 saddr = skb->nh.iph->saddr;
        const __u32 daddr = skb->nh.iph->daddr;
+       struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
+       __u8 reset_code = DCCP_RESET_CODE_TOO_BUSY;
        struct dst_entry *dst = NULL;
 
        /* Never answer to DCCP_PKT_REQUESTs send to broadcast or multicast */
        if (((struct rtable *)skb->dst)->rt_flags &
-           (RTCF_BROADCAST | RTCF_MULTICAST))
+           (RTCF_BROADCAST | RTCF_MULTICAST)) {
+               reset_code = DCCP_RESET_CODE_NO_CONNECTION;
                goto drop;
+       }
 
        /*
         * TW buckets are converted to open requests without
@@ -722,7 +722,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
         * dccp_create_openreq_child.
         */
        dreq = dccp_rsk(req);
-       dreq->dreq_isr = DCCP_SKB_CB(skb)->dccpd_seq;
+       dreq->dreq_isr = dcb->dccpd_seq;
        dreq->dreq_iss = dccp_v4_init_sequence(sk, skb);
        dreq->dreq_service = dccp_hdr_request(skb)->dccph_req_service;
 
@@ -739,6 +739,7 @@ drop_and_free:
        __reqsk_free(req);
 drop:
        DCCP_INC_STATS_BH(DCCP_MIB_ATTEMPTFAILS);
+       dcb->dccpd_reset_code = reset_code;
        return -1;
 }
 
@@ -1009,7 +1010,6 @@ int dccp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
        return 0;
 
 reset:
-       DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION;
        dccp_v4_ctl_send_reset(skb);
 discard:
        kfree_skb(skb);
@@ -1243,6 +1243,7 @@ static int dccp_v4_init_sock(struct sock *sk)
        static int dccp_ctl_socket_init = 1;
 
        dccp_options_init(&dp->dccps_options);
+       do_gettimeofday(&dp->dccps_epoch);
 
        if (dp->dccps_options.dccpo_send_ack_vector) {
                dp->dccps_hc_rx_ackpkts =