libmsc/gsm_09_11.c: log network-originated session establishment error
Change-Id: I090c25de3421f770115ed68a7ecc050694cedff7
diff --git a/src/libmsc/gsm_09_11.c b/src/libmsc/gsm_09_11.c
index adf13b1..b85c742 100644
--- a/src/libmsc/gsm_09_11.c
+++ b/src/libmsc/gsm_09_11.c
@@ -465,6 +465,9 @@
/* Attempt to establish a new transaction */
trans = establish_nc_ss_trans(net, vsub, gsup_msg);
if (!trans) {
+ LOGP(DSS, LOGL_ERROR, "Failed to establish a network-originated "
+ "SS/USSD transaction, rejecting %s\n",
+ osmo_gsup_message_type_name(gsup_msg->message_type));
gsup_client_mux_tx_error_reply(gcm, gsup_msg, GMM_CAUSE_NET_FAIL);
return -EINVAL;
}