From 73a352657d063a48fd8f045211184c3b0882e0c4 Mon Sep 17 00:00:00 2001
From: Sukchan Lee <acetcom@gmail.com>
Date: Wed, 17 Jan 2018 08:52:58 +0900
Subject: [PATCH] print raw packet if S1AP decoder is failed

---
 src/mme/mme_sm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/mme/mme_sm.c b/src/mme/mme_sm.c
index 48d940d4e..c5fcb9aed 100644
--- a/src/mme/mme_sm.c
+++ b/src/mme/mme_sm.c
@@ -176,8 +176,12 @@ void mme_state_operational(fsm_t *s, event_t *e)
             d_assert(FSM_STATE(&enb->sm), pkbuf_free(pkbuf); break,
                     "No S1AP State Machine");
 
-            d_assert(s1ap_decode_pdu(&message, pkbuf) == CORE_OK,
-                    pkbuf_free(pkbuf); break, "Can't decode S1AP_PDU");
+            rv = s1ap_decode_pdu(&message, pkbuf);
+            if (rv != CORE_OK)
+            {
+                d_print_hex(pkbuf->payload, pkbuf->len);
+                d_assert(0, pkbuf_free(pkbuf); break, "Can't decode S1AP_PDU");
+            }
 
             event_set_param1(e, (c_uintptr_t)enb->index);
             event_set_param4(e, (c_uintptr_t)&message);