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-rw-r--r--net/sctp/socket.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index b2ffab62a22..9f1a908776d 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5020,7 +5020,8 @@ pp_found:
struct hlist_node *node;
SCTP_DEBUG_PRINTK("sctp_get_port() found a possible match\n");
- if (pp->fastreuse && sk->sk_reuse)
+ if (pp->fastreuse && sk->sk_reuse &&
+ sk->sk_state != SCTP_SS_LISTENING)
goto success;
/* Run through the list of sockets bound to the port
@@ -5037,7 +5038,8 @@ pp_found:
struct sctp_endpoint *ep2;
ep2 = sctp_sk(sk2)->ep;
- if (reuse && sk2->sk_reuse)
+ if (reuse && sk2->sk_reuse &&
+ sk2->sk_state != SCTP_SS_LISTENING)
continue;
if (sctp_bind_addr_match(&ep2->base.bind_addr, addr,
@@ -5058,9 +5060,13 @@ pp_not_found:
* if sk->sk_reuse is too (that is, if the caller requested
* SO_REUSEADDR on this socket -sk-).
*/
- if (hlist_empty(&pp->owner))
- pp->fastreuse = sk->sk_reuse ? 1 : 0;
- else if (pp->fastreuse && !sk->sk_reuse)
+ if (hlist_empty(&pp->owner)) {
+ if (sk->sk_reuse && sk->sk_state != SCTP_SS_LISTENING)
+ pp->fastreuse = 1;
+ else
+ pp->fastreuse = 0;
+ } else if (pp->fastreuse &&
+ (!sk->sk_reuse || sk->sk_state == SCTP_SS_LISTENING))
pp->fastreuse = 0;
/* We are set, so fill up all the data in the hash table
@@ -5068,8 +5074,8 @@ pp_not_found:
* sockets FIXME: Blurry, NPI (ipg).
*/
success:
- inet_sk(sk)->num = snum;
if (!sctp_sk(sk)->bind_hash) {
+ inet_sk(sk)->num = snum;
sk_add_bind_node(sk, &pp->owner);
sctp_sk(sk)->bind_hash = pp;
}
@@ -5142,12 +5148,16 @@ SCTP_STATIC int sctp_seqpacket_listen(struct sock *sk, int backlog)
* This is not currently spelled out in the SCTP sockets
* extensions draft, but follows the practice as seen in TCP
* sockets.
+ *
+ * Additionally, turn off fastreuse flag since we are not listening
*/
+ sk->sk_state = SCTP_SS_LISTENING;
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk))
return -EAGAIN;
- }
- sk->sk_state = SCTP_SS_LISTENING;
+ } else
+ sctp_sk(sk)->bind_hash->fastreuse = 0;
+
sctp_hash_endpoint(ep);
return 0;
}
@@ -5185,11 +5195,13 @@ SCTP_STATIC int sctp_stream_listen(struct sock *sk, int backlog)
* extensions draft, but follows the practice as seen in TCP
* sockets.
*/
+ sk->sk_state = SCTP_SS_LISTENING;
if (!ep->base.bind_addr.port) {
if (sctp_autobind(sk))
return -EAGAIN;
- }
- sk->sk_state = SCTP_SS_LISTENING;
+ } else
+ sctp_sk(sk)->bind_hash->fastreuse = 0;
+
sk->sk_max_ack_backlog = backlog;
sctp_hash_endpoint(ep);
return 0;