watchdog_dev_unregister(9)

💅 watchdog_dev_unregister(9) — like, the whole kernel API manual moment ✨

okay so bestie, buckle up, this is watchdog_dev_unregister from the Kernel API Manual — yes the actual manual page, and we're gonna read it together like it's the group chat 🫶

---

🎀 NAME 🎀

watchdog_dev_unregister — unregister a watchdog device. that's it. that's the whole name. iconic, lowkey self-explanatory, but we're doing this properly anyway 💅

---

✨ SYNOPSIS ✨

void watchdog_dev_unregister (struct watchdog_device *wdd );

so it returns void (no return value, she gives you nothing back and that's fine), and it takes exactly one thing — a pointer to a struct watchdog_device named wdd. periodt 🦋

---

🌸 ARGUMENTS 🌸

• wdd — the watchdog device. like, the actual device struct, bestie. hand it over and she'll know what to do 💖

---

🔥 DESCRIPTION 🔥

okay so what she does is: unregister the watchdog device, and — key detail, don't skip this — if needed, the legacy /dev/watchdog device too. so it's giving cleanup energy, it's giving "we're done here", and it handles the legacy char device situation when that's what needs to happen 👑

---

🌈 SEE ALSO 🌈

literally the whole watchdog cinematic universe, no cap:

• Kernel file ./drivers/watchdog/watchdog_dev.c
• watchdog_ping(9)
• watchdog_start(9)
• watchdog_stop(9)
• watchdog_get_status(9)
• watchdog_set_timeout(9)
• watchdog_set_pretimeout(9)
• watchdog_get_timeleft(9)
• watchdog_ioctl_op(9)
• watchdog_write(9)
• watchdog_ioctl(9)
• watchdog_open(9)
• watchdog_release(9)
• watchdog_cdev_register(9)
• watchdog_cdev_unregister(9)
• watchdog_dev_register(9)
• watchdog_set_last_hw_keepalive(9)
• watchdog_dev_init(9)
• watchdog_dev_exit(9)

go read them all, i'll wait 💀✨

---

fr fr though — this is the *un*register one. if you were looking for the register one, that's watchdog_dev_register(9), she's up there in the list 🧚

---

and that's a wrap, bestie 🎀 this page lives under ./drivers/watchdog and it's dated October 2026 — mwah, stan the kernel docs, bye bye 💜🦋🌸