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-rw-r--r--net/sctp/input.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index fc458968fe4b..2a28ab20487f 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -884,14 +884,17 @@ int sctp_hash_transport(struct sctp_transport *t)
arg.paddr = &t->ipaddr;
arg.lport = htons(t->asoc->base.bind_addr.port);
+ rcu_read_lock();
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) {
+ rcu_read_unlock();
err = -EEXIST;
goto out;
}
+ rcu_read_unlock();
err = rhltable_insert_key(&sctp_transport_hashtable, &arg,
&t->node, sctp_hash_params);