freetdm: Fix uninitialized var leading to segfault

diff --git a/libs/freetdm/mod_freetdm/mod_freetdm.c b/libs/freetdm/mod_freetdm/mod_freetdm.c
index 2bbcdf97e40c0122ddc1a65cfdfdfc3d26a1d690..a180f03fefb6b88c73a584aa4394a3eaddf4c20b 100755 (executable)
--- a/libs/freetdm/mod_freetdm/mod_freetdm.c
+++ b/libs/freetdm/mod_freetdm/mod_freetdm.c
@@ -1267,6 +1267,7 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
        ftdm_usrmsg_t usrmsg;
 
        memset(&usrmsg, 0, sizeof(ftdm_usrmsg_t));
+       memset(sigbridge_peer, 0, sizeof(sigbridge_peer));
 
        if (!outbound_profile) {
                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Missing caller profile\n");
@@ -1655,7 +1656,7 @@ static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *sessi
                                        ftdm_channel_get_span_id(peer_pvt->ftdmchan), ftdm_channel_get_id(peer_pvt->ftdmchan));
                }
 
-               if (!zstr(sigbridge_peer)) {
+               if (session && !zstr(sigbridge_peer)) {
                        peer_chan = switch_core_session_get_channel(session);
                        ftdm_usrmsg_add_var(&usrmsg, "sigbridge_peer", sigbridge_peer);
                }