serial_cleanup(9)

🧚 serial_cleanup(9) — Kernel API Manual energy ✨

okay so bestie, this is the Kernel API Manual page for serial_cleanup(9), and it's literally about freeing resources post close/hangup. lowkey essential cleanup behavior. 🫶

🌸 NAME 🌸

serial_cleanup — free resources post close/hangup ✨

✨ SYNOPSIS ✨

void serial_cleanup (struct tty_struct *tty );

🎀 ARGUMENTS 🎀

• tty — the tty to clean up, aka the thing you're tidying. 🧹

💅 DESCRIPTION 💅

It does the resource freeing and refcount dropping for the port. iconic behavior, honestly.

Avoid freeing the console. like, do not free the console — that's the vibe check. 🚫

It's called asynchronously after the last tty kref is dropped. periodt. 💫

🦋 SEE ALSO 🦋

Kernel file ./drivers/usb/serial/usb-serial.c, plus these besties:

• serial_install(9)
• serial_port_shutdown(9)
• __usb_serial_register_drivers(9)
• usb_serial_deregister_drivers(9)

🌸 cute lil sign-off: source/version ./drivers/usb/serial, date October 2026, manual serial_cleanup(9). catch u later, bestie 💅💖