original_head 1290 drivers/net/ethernet/microchip/lan743x_main.c u32 original_head = 0; original_head 1292 drivers/net/ethernet/microchip/lan743x_main.c original_head = tx->last_head; original_head 1296 drivers/net/ethernet/microchip/lan743x_main.c } while (tx->last_head != original_head);