input_unregister_device(9)
π input_unregister_device(9) β from the Kernel API Manual, bestie
Okay so real talk, this is input_unregister_device(9) from the Kernel API Manual, and it's the "we're done here, bye" function for input devices. It's short, it's dramatic, and honestly it's giving end-of-season finale energy. Let's get into it π
β¨ NAME β¨
input_unregister_device β unregister a previously registered device. That's it. That's the whole job. She's a one-trick pony and she ate π
πΈ SYNOPSIS πΈ
void input_unregister_device(struct input_dev *dev);
Returns nothing. void. No notes, no feedback, no little receipt. Just vibes π¦
π«Ά ARGUMENTS π«Ά
devβ the device you want to unregister. That's the one. The device. Being unregistered. Go get her π
π₯ DESCRIPTION π₯
So input_unregister_device unregisters an input device. Wow, the name really said what it said, no cap.
But here's the part that actually matters, and I need you to lock in for this one, bestie:
π Once the device is unregistered, the caller should not try to access it β because it may get freed at any moment. Any. Moment. Not "soon", not "after you finish", literally whenever. Do not touch. Do not pass go. Do not dev-reference it again. Periodt.
Like, the device is on read receipts now and you are NOT on the list π She's already gone, don't text her.
π SEE ALSO π
Kernel file ./drivers/input/input.c, plus the whole entire friend group (yes, the whole group chat, I listed every single one, no gatekeeping):
input_event(9)input_inject_event(9)input_alloc_absinfo(9)input_copy_abs(9)input_grab_device(9)input_release_device(9)input_open_device(9)input_close_device(9)input_scancode_to_scalar(9)input_default_setkeycode(9)input_get_keycode(9)input_set_keycode(9)input_reset_device(9)input_allocate_device(9)devm_input_allocate_device(9)input_free_device(9)input_set_timestamp(9)input_get_timestamp(9)input_set_capability(9)input_enable_softrepeat(9)input_register_device(9)input_register_handler(9)input_unregister_handler(9)input_handler_for_each_handle(9)input_register_handle(9)input_unregister_handle(9)input_get_new_minor(9)input_free_minor(9)
Full squad, all present, all accounted for β¨
And that's the page!! π Signing off from ./drivers/input, October 2026, this has been input_unregister_device(9) π Byeee, go unregister responsibly and don't touch freed memory, ily π«Άβ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms