fix issue

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7852 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_core_session.c

@@ -1000,7 +1000,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_execute_exten(switch_core_se
 	char *dpstr;
 	int argc, x, count = 0;
 	char *expanded = NULL;
-	switch_caller_profile_t *profile, *new_profile, *pp;
+	switch_caller_profile_t *profile, *new_profile, *pp = NULL;
 	switch_channel_t *channel = switch_core_session_get_channel(session);
 	switch_dialplan_interface_t *dialplan_interface = NULL;
 	switch_caller_extension_t *extension = NULL;
@@ -1062,6 +1062,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_execute_exten(switch_core_se
 
 	new_profile->caller_extension = extension;
 
+	if (profile->caller_extension) {
 		for(pp = profile->caller_extension->children; pp && pp->next; pp = pp->next);
  
 		if (pp) {
@@ -1069,6 +1070,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_execute_exten(switch_core_se
 		} else {
 			profile->caller_extension->children = new_profile;
 		}
+	}
 
 	while (switch_channel_ready(channel) && extension->current_application) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Execute %s(%s)\n",