avoid segfault in gscon_bssmap_clear

Related: OS#5982 Change-Id: I36206973efbf31bcf9366038a95d26a6deed7a86
2023-03-30 18:19:30 +02:00 · 2023-03-30 18:19:30 +02:00 · bf5c0c8144
parent 097925b626
commit bf5c0c8144
1 changed files with 2 additions and 0 deletions
--- a/src/osmo-bsc/bsc_subscr_conn_fsm.c
+++ b/src/osmo-bsc/bsc_subscr_conn_fsm.c
@ -148,6 +148,8 @@ int gscon_sigtran_send(struct gsm_subscriber_connection *conn, struct msgb *msg)
 void gscon_bssmap_clear(struct gsm_subscriber_connection *conn, enum gsm0808_cause cause)
 {
 	/* already clearing? */
+	if (!conn || !conn->fi)
+		return;
 	switch (conn->fi->state) {
 	case ST_WAIT_CLEAR_CMD:
 	case ST_WAIT_SCCP_RLSD: