ret = buffer_reg_uid_consumer_channel_key(
buffer_reg_uid_list, ust_session_id,
uchan_id, &consumer_chan_key);
if (ret < 0) {
ret = buffer_reg_uid_consumer_channel_key(
buffer_reg_uid_list, ust_session_id,
uchan_id, &consumer_chan_key);
if (ret < 0) {