[SCTP]: Correctly handle unexpected INIT-ACK chunk.

Consider the chunk as Out-of-the-Blue if we don't have
an endpoint.  Otherwise discard it as before.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 3269ed1cc222..73cb9943c8a8 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -134,6 +134,7 @@ sctp_state_fn_t sctp_sf_violation;
 sctp_state_fn_t sctp_sf_discard_chunk;
 sctp_state_fn_t sctp_sf_do_5_2_1_siminit;
 sctp_state_fn_t sctp_sf_do_5_2_2_dupinit;
+sctp_state_fn_t sctp_sf_do_5_2_3_initack;
 sctp_state_fn_t sctp_sf_do_5_2_4_dupcook;
 sctp_state_fn_t sctp_sf_unk_chunk;
 sctp_state_fn_t sctp_sf_do_8_5_1_E_sa;