comedi_dev_put(9)

💖 NAME 💖

Okay bestie, this is the Kernel API Manual page for comedi_dev_put(9), and it is literally giving “you’re done with this COMEDI device, so let it go” energy. ✨

• comedi_dev_put — Release a use of a COMEDI device. 🎀

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✨ SYNOPSIS ✨

int comedi_dev_put (struct comedi_device *dev );

That’s the whole signature, no cap. 🫶

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🎀 ARGUMENTS 🎀

• dev — COMEDI device. That’s the device whose use you’re releasing, bestie. 💅

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🦋 DESCRIPTION 🦋

Must be called when a user of a COMEDI device is finished with it. Like, that is the rule. When the last user of the COMEDI device calls this function, the COMEDI device is destroyed. 💀✨

Last one out, lights off, device gone. Main character destruction energy fr fr.

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🌸 RETURN 🌸

• Returns 1 if the COMEDI device is destroyed by this call, or if dev is NULL.
• Otherwise returns 0.

🚨 Important vibe check: callers must not assume the COMEDI device is still valid if this function returns 0. Like, do not go using it after. The page says it, so we’re saying it. No cap. 🙈

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👑 SEE ALSO 👑

All the linked lore, exactly as the manual gives it:

• Kernel file ./drivers/comedi/comedi_fops.c struct comedi_file(9)
• comedi_dev_get_from_minor(9)
• comedi_is_subdevice_running(9)
• comedi_get_is_subdevice_running(9)
• comedi_put_is_subdevice_running(9)
• comedi_set_spriv_auto_free(9)
• comedi_alloc_spriv(9)
• get_valid_routes(9)
• comedi_event(9)

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Cute sign-off: source/version is ./drivers/comedi, the date is October 2026, and the page is comedi_dev_put(9). Periodt. 💅✨