CID:1025850 Dereference before null check

src/mod/applications/mod_cidlookup/mod_cidlookup.c

@@ -685,14 +685,14 @@ SWITCH_STANDARD_APP(cidlookup_app_function)
 		cid = do_lookup(pool, event, number, skipurl, skipcitystate);
 	}
 
-	if (switch_string_var_check_const(cid->name)) {
-		switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_CRIT, "Invalid CID data {%s} contains a variable\n", cid->name);
-		goto done;
-	}
-
 	if (cid && channel) {
 		switch_event_t *event;
 
+		if (switch_string_var_check_const(cid->name)) {
+			switch_log_printf(SWITCH_CHANNEL_CHANNEL_LOG(channel), SWITCH_LOG_CRIT, "Invalid CID data {%s} contains a variable\n", cid->name);
+			goto done;
+		}
+
 		switch_channel_set_variable(channel, "original_caller_id_name", switch_core_strdup(pool, profile->caller_id_name));
 		if (!zstr(cid->src)) {
 			switch_channel_set_variable(channel, "cidlookup_source", cid->src);