diff options
| -rw-r--r-- | net/sctp/endpointola.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index e10acc01c75..c8cc24e282c 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -325,6 +325,7 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( struct sctp_transport **transport) { struct sctp_association *asoc = NULL; + struct sctp_association *tmp; struct sctp_transport *t = NULL; struct sctp_hashbucket *head; struct sctp_ep_common *epb; @@ -333,25 +334,32 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( int rport; *transport = NULL; + + /* If the local port is not set, there can't be any associations + * on this endpoint. + */ + if (!ep->base.bind_addr.port) + goto out; + rport = ntohs(paddr->v4.sin_port); hash = sctp_assoc_hashfn(ep->base.bind_addr.port, rport); head = &sctp_assoc_hashtable[hash]; read_lock(&head->lock); sctp_for_each_hentry(epb, node, &head->chain) { - asoc = sctp_assoc(epb); - if (asoc->ep != ep || rport != asoc->peer.port) - goto next; + tmp = sctp_assoc(epb); + if (tmp->ep != ep || rport != tmp->peer.port) + continue; - t = sctp_assoc_lookup_paddr(asoc, paddr); + t = sctp_assoc_lookup_paddr(tmp, paddr); if (t) { + asoc = tmp; *transport = t; break; } -next: - asoc = NULL; } read_unlock(&head->lock); +out: return asoc; } |