diff options
| author | Philipp Maier <pmaier@sysmocom.de> | 2017-08-16 11:13:51 +0200 |
|---|---|---|
| committer | Neels Hofmeyr <nhofmeyr@sysmocom.de> | 2017-08-23 02:08:36 +0200 |
| commit | 2d8683e6385d349e23d08e7e09fcb6099ca68f87 (patch) | |
| tree | 3660e716850f9025968c8b7c3aaacff4e8dc3a5a | |
| parent | 9d14724b2024f48914205f272a02fd6cfddee522 (diff) | |
fixup: fix possible null pointer deref
Check for nullpointer - just to be sure, there was no crash at
this point.
| -rw-r--r-- | openbsc/src/osmo-bsc/osmo_bsc_sigtran.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/openbsc/src/osmo-bsc/osmo_bsc_sigtran.c b/openbsc/src/osmo-bsc/osmo_bsc_sigtran.c index dc6d84bee..0f6ca334f 100644 --- a/openbsc/src/osmo-bsc/osmo_bsc_sigtran.c +++ b/openbsc/src/osmo-bsc/osmo_bsc_sigtran.c @@ -377,7 +377,12 @@ int osmo_bsc_sigtran_del_conn(struct osmo_bsc_sccp_con *conn) /* Send an USSD notification in case we loose the connection to the MSC */ static void bsc_notify_msc_lost(const struct osmo_bsc_sccp_con *conn) { - struct gsm_subscriber_connection *subscr_conn = conn->conn; + struct gsm_subscriber_connection *subscr_conn; + + /* Check if sccp conn is still present */ + if (!conn) + return; + subscr_conn = conn->conn; /* send USSD notification if string configured and conn->data is set */ if (!subscr_conn) |