1 files changed, 17 insertions, 0 deletions

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 33ae9b01131e..61bebb9b96e6 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -730,6 +730,23 @@ struct sctp_transport *sctp_assoc_lookup_paddr(
         return NULL;
 }
 
+/* Remove all transports except a give one */
+void sctp_assoc_del_nonprimary_peers(struct sctp_association *asoc,
+                                     struct sctp_transport *primary)
+{
+        struct sctp_transport   *temp;
+        struct sctp_transport   *t;
+
+        list_for_each_entry_safe(t, temp, &asoc->peer.transport_addr_list,
+                                 transports) {
+                /* if the current transport is not the primary one, delete it */
+                if (t != primary)
+                        sctp_assoc_rm_peer(asoc, t);
+        }
+
+        return;
+}
+
 /* Engage in transport control operations.
  * Mark the transport up or down and send a notification to the user.
  * Select and update the new active and retran paths.