FS-7872: [mod_verto] handle attempting to transfer 1 legged call gracefully

diff --git a/src/mod/endpoints/mod_verto/mod_verto.c b/src/mod/endpoints/mod_verto/mod_verto.c
index ab7efd2812da6ef5be328b963535a7ab1adba58f..d392f130b35f8750dbb7ff08bbf114ff6bbb759c 100644 (file)
--- a/src/mod/endpoints/mod_verto/mod_verto.c
+++ b/src/mod/endpoints/mod_verto/mod_verto.c
@@ -2723,24 +2723,23 @@ static switch_bool_t attended_transfer(switch_core_session_t *session, switch_co
        tech_pvt = switch_core_session_get_private_class(session, SWITCH_PVT_SECONDARY);
        b_tech_pvt = switch_core_session_get_private_class(b_session, SWITCH_PVT_SECONDARY);
 
-       switch_assert(b_tech_pvt);
-       switch_assert(tech_pvt);
-
-       switch_channel_set_variable(tech_pvt->channel, "refer_uuid", switch_core_session_get_uuid(b_tech_pvt->session));
-       switch_channel_set_variable(b_tech_pvt->channel, "transfer_disposition", "replaced");
+       if (tech_pvt && b_tech_pvt) {
+               switch_channel_set_variable(tech_pvt->channel, "refer_uuid", switch_core_session_get_uuid(b_tech_pvt->session));
+               switch_channel_set_variable(b_tech_pvt->channel, "transfer_disposition", "replaced");
        
-       br_a = switch_channel_get_partner_uuid(tech_pvt->channel);
-       br_b = switch_channel_get_partner_uuid(b_tech_pvt->channel);
+               br_a = switch_channel_get_partner_uuid(tech_pvt->channel);
+               br_b = switch_channel_get_partner_uuid(b_tech_pvt->channel);
 
-       if (!switch_ivr_uuid_exists(br_a)) {
-               br_a = NULL;
-       }
+               if (!switch_ivr_uuid_exists(br_a)) {
+                       br_a = NULL;
+               }
 
-       if (!switch_ivr_uuid_exists(br_b)) {
-               br_b = NULL;
+               if (!switch_ivr_uuid_exists(br_b)) {
+                       br_b = NULL;
+               }
        }
 
-       if (switch_channel_test_flag(b_tech_pvt->channel, CF_ORIGINATOR)) {
+       if (tech_pvt && b_tech_pvt && switch_channel_test_flag(b_tech_pvt->channel, CF_ORIGINATOR)) {
                switch_core_session_t *a_session;
 
                switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE,