summaryrefslogtreecommitdiffstats
path: root/net/sctp/input.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sctp/input.c')
-rw-r--r--net/sctp/input.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 704ad19c1565..fc458968fe4b 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -872,6 +872,8 @@ void sctp_transport_hashtable_destroy(void)
int sctp_hash_transport(struct sctp_transport *t)
{
+ struct sctp_transport *transport;
+ struct rhlist_head *tmp, *list;
struct sctp_hash_cmp_arg arg;
int err;
@@ -882,8 +884,19 @@ int sctp_hash_transport(struct sctp_transport *t)
arg.paddr = &t->ipaddr;
arg.lport = htons(t->asoc->base.bind_addr.port);
+ list = rhltable_lookup(&sctp_transport_hashtable, &arg,
+ sctp_hash_params);
+
+ rhl_for_each_entry_rcu(transport, tmp, list, node)
+ if (transport->asoc->ep == t->asoc->ep) {
+ err = -EEXIST;
+ goto out;
+ }
+
err = rhltable_insert_key(&sctp_transport_hashtable, &arg,
&t->node, sctp_hash_params);
+
+out:
if (err)
pr_err_once("insert transport fail, errno %d\n", err);