Symbol: TX_STATUS_FAIL_FIFO_UNDERRUN
drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c
1549
iwl_get_tx_fail_reason(TX_STATUS_FAIL_FIFO_UNDERRUN),
drivers/net/wireless/intel/iwlwifi/dvm/tx.c
1037
case TX_STATUS_FAIL_FIFO_UNDERRUN: