inet: get_openreq4() & get_openreq6() do not need listener

ireq->ir_num contains local port, use it.

Also, get_openreq4() dumping listen_sk->refcnt makes litle sense.

inet_diag_fill_req() can also use ireq->ir_num

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 29317ff..c55a6fa 100644 (file)
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -718,7 +718,6 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
                              const struct nlmsghdr *unlh)
 {
        const struct inet_request_sock *ireq = inet_rsk(req);
-       struct inet_sock *inet = inet_sk(sk);
        struct inet_diag_msg *r;
        struct nlmsghdr *nlh;
        long tmo;
@@ -744,7 +743,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
        if (tmo < 0)
                tmo = 0;
 
-       r->id.idiag_sport = inet->inet_sport;
+       r->id.idiag_sport = htons(ireq->ir_num);
        r->id.idiag_dport = ireq->ir_rmt_port;
 
        memset(&r->id.idiag_src, 0, sizeof(r->id.idiag_src));

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f0c6fc3..70b0f70 100644 (file)
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2204,7 +2204,7 @@ void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo)
 }
 EXPORT_SYMBOL(tcp_proc_unregister);
 
-static void get_openreq4(const struct sock *sk, const struct request_sock *req,
+static void get_openreq4(const struct request_sock *req,
                         struct seq_file *f, int i, kuid_t uid)
 {
        const struct inet_request_sock *ireq = inet_rsk(req);
@@ -2214,7 +2214,7 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
                " %02X %08X:%08X %02X:%08lX %08X %5u %8d %u %d %pK",
                i,
                ireq->ir_loc_addr,
-               ntohs(inet_sk(sk)->inet_sport),
+               ireq->ir_num,
                ireq->ir_rmt_addr,
                ntohs(ireq->ir_rmt_port),
                TCP_SYN_RECV,
@@ -2225,7 +2225,7 @@ static void get_openreq4(const struct sock *sk, const struct request_sock *req,
                from_kuid_munged(seq_user_ns(f), uid),
                0,  /* non standard timer */
                0, /* open_requests have no inode */
-               atomic_read(&sk->sk_refcnt),
+               0,
                req);
 }
 
@@ -2332,7 +2332,7 @@ static int tcp4_seq_show(struct seq_file *seq, void *v)
                        get_tcp4_sock(v, seq, st->num);
                break;
        case TCP_SEQ_STATE_OPENREQ:
-               get_openreq4(st->syn_wait_sk, v, seq, st->num, st->uid);
+               get_openreq4(v, seq, st->num, st->uid);
                break;
        }
 out:

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 5d46832..1ccfede 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1689,7 +1689,7 @@ static void tcp_v6_destroy_sock(struct sock *sk)
 #ifdef CONFIG_PROC_FS
 /* Proc filesystem TCPv6 sock list dumping. */
 static void get_openreq6(struct seq_file *seq,
-                        const struct sock *sk, struct request_sock *req, int i, kuid_t uid)
+                        struct request_sock *req, int i, kuid_t uid)
 {
        int ttd = req->expires - jiffies;
        const struct in6_addr *src = &inet_rsk(req)->ir_v6_loc_addr;
@@ -1827,7 +1827,7 @@ static int tcp6_seq_show(struct seq_file *seq, void *v)
                        get_tcp6_sock(seq, v, st->num);
                break;
        case TCP_SEQ_STATE_OPENREQ:
-               get_openreq6(seq, st->syn_wait_sk, v, st->num, st->uid);
+               get_openreq6(seq, v, st->num, st->uid);
                break;
        }
 out: