snd_card_free_on_error(9)

💖 snd_card_free_on_error 💖

ok so this is from the Kernel API Manual bestie, section 9, and it's literally the tiniest little helper ever — a small one, the page says so itself 🎀

---

✨ NAME ✨

snd_card_free_on_error — a small helper for handling devm probe errors 🫶

---

🌸 SYNOPSIS 🌸

int snd_card_free_on_error (struct device *dev , int ret );

---

🦋 ARGUMENTS 🦋

• dev — the managed device object 💅 like, the device that's being managed, that one
• ret — the return code from the probe callback ⭐ literally whatever the probe callback handed back

---

💜 DESCRIPTION 💜

okay so here's the vibe: this function handles that explicit snd_card_free call you gotta do when the probe callback errors out 😭 it's just a small helper — nothing more, nothing less — for simplifying the error handling with the managed devices ✨

like, that's the whole thing. it's giving "tiny guy, big job" energy 🧚

---

🔥 RETURN 🔥

zero if successful 🎉 or a negative error code 💀

---

🌈 SEE ALSO 🌈

Kernel file ./sound/core/init.c plus the whole friend group: snd_device_alloc(9), snd_card_new(9), snd_devm_card_new(9), snd_card_ref(9), snd_card_disconnect(9), snd_card_disconnect_sync(9), snd_card_free_when_closed(9), snd_card_free(9), snd_card_set_id(9), snd_card_add_dev_attr(9), snd_card_register(9), snd_component_add(9), snd_card_file_add(9), snd_card_file_remove(9), snd_power_ref_and_wait(9), snd_power_wait(9) 👑

---

ok that's the whole page, no cap 💖 it lives in ./sound/core, the version stamp says October 2026, and the name on the tin is snd_card_free_on_error(9) — mwah, periodt 🫶✨💅