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Diffstat (limited to 'net/sctp/endpointola.c')
-rw-r--r--net/sctp/endpointola.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index e10acc01c75f..c8cc24e282c3 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;
}