sctp: Add RCU protection to assoc->transport_addr_list

[mirror_ubuntu-bionic-kernel.git] / net / sctp / associola.c

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index ba3f9cc4c04780ed02868a802dc6646cce6ae70f..b45ed1f96921285bf75badfeaa5caf922118bb4d 100644 (file)
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -448,7 +448,7 @@ void sctp_association_free(struct sctp_association *asoc)
        /* Release the transport structures. */
        list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
                transport = list_entry(pos, struct sctp_transport, transports);
-               list_del(pos);
+               list_del_rcu(pos);
                sctp_transport_free(transport);
        }
 
@@ -568,7 +568,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
                sctp_assoc_update_retran_path(asoc);
 
        /* Remove this peer from the list. */
-       list_del(&peer->transports);
+       list_del_rcu(&peer->transports);
 
        /* Get the first transport of asoc. */
        pos = asoc->peer.transport_addr_list.next;
@@ -769,7 +769,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
        peer->state = peer_state;
 
        /* Attach the remote transport to our asoc.  */
-       list_add_tail(&peer->transports, &asoc->peer.transport_addr_list);
+       list_add_tail_rcu(&peer->transports, &asoc->peer.transport_addr_list);
        asoc->peer.transport_count++;
 
        /* If we do not yet have a primary path, set one.  */