libmsc: check return value of gsm0808_create_ass2()
Change-Id: I6fd1669f2919034599d99336cf56f25a97afdf7c
diff --git a/src/libmsc/ran_msg_a.c b/src/libmsc/ran_msg_a.c
index be026e5..24740a7 100644
--- a/src/libmsc/ran_msg_a.c
+++ b/src/libmsc/ran_msg_a.c
@@ -1002,6 +1002,12 @@
msg = gsm0808_create_ass2(ac->channel_type, NULL, use_rtp_addr, use_scl, call_id,
NULL, ac->lcls);
+ if (msg == NULL) {
+ LOG_RAN_A_ENC(log_fi, LOGL_ERROR,
+ "Failed to encode BSSMAP Assignment Request message\n");
+ return NULL;
+ }
+
if (ac->osmux_present)
_gsm0808_assignment_extend_osmux(msg, ac->osmux_cid);
return msg;