From 0cbfacfc41843ba749f0b3e1e791c06a38603294 Mon Sep 17 00:00:00 2001
From: Neels Hofmeyr <neels@hofmeyr.de>
Date: Thu, 22 Feb 2018 06:10:45 +0100
Subject: try to record subsrc on l3-compl

Change-Id: I3b696a0c0932e3abcb682ba231db65755d8c27a6
---
 src/osmo-bsc/osmo_bsc_api.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/osmo-bsc/osmo_bsc_api.c b/src/osmo-bsc/osmo_bsc_api.c
index 239bb543c..f3b120e70 100644
--- a/src/osmo-bsc/osmo_bsc_api.c
+++ b/src/osmo-bsc/osmo_bsc_api.c
@@ -24,6 +24,7 @@
 
 #include <osmocom/bsc/gsm_04_80.h>
 #include <osmocom/bsc/gsm_04_08_utils.h>
+#include <osmocom/bsc/bsc_subscriber.h>
 
 #include <osmocom/gsm/protocol/gsm_08_08.h>
 #include <osmocom/gsm/gsm0808.h>
@@ -261,8 +262,18 @@ static int complete_layer3(struct gsm_subscriber_connection *conn,
 		return BSC_API_CONN_POL_REJECT;
 	}
 
-	if (imsi)
+	if (imsi) {
 		conn->filter_state.imsi = talloc_steal(conn, imsi);
+		if (conn->bsub) {
+			if (conn->bsub->imsi[0]
+			    && strcmp(conn->bsub->imsi, imsi))
+				LOGP(DMSC, LOGL_ERROR, "Subscriber's IMSI changes from %s to %s\n",
+				     conn->bsub->imsi, imsi);
+			bsc_subscr_set_imsi(conn->bsub, imsi);
+		} else
+			conn->bsub = bsc_subscr_find_or_create_by_imsi(msc->network->bsc_subscribers,
+								       imsi);
+	}
 	conn->filter_state.con_type = con_type;
 
 	/* check return value, if failed check msg for and send USSD */
-- 
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