usb_get_from_anchor(9)

✨ usb_get_from_anchor(9) ✨

okay so bestie, welcome to the usb_get_from_anchor(9) page from the Kernel API Manual — this is the one that pulls the oldest urb out of an anchor. it's giving tiny function, big responsibility 💅

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🌸 NAME 🌸

usb_get_from_anchor — get an anchor's oldest urb

🦋 SYNOPSIS 🦋

struct urb * usb_get_from_anchor (struct usb_anchor *anchor );

🎀 ARGUMENTS 🎀

• anchor — the anchor whose urb you want. that's it, that's the whole arg 🫶

💖 DESCRIPTION 💖

This will take the oldest urb from an anchor, unanchor and return it.

like, it literally reaches in, grabs the oldest one, unanchors it, and hands it to you. main character energy for a single function ngl ✨

⭐ RETURN ⭐

The oldest urb from anchor, or NULL if anchor has no urbs associated with it.

no urbs? no vibes. you get NULL and you deal with it 😭

🌈 SEE ALSO 🌈

• Kernel file ./drivers/usb/core/urb.c
• usb_init_urb(9)
• usb_alloc_urb(9)
• usb_free_urb(9)
• usb_get_urb(9)
• usb_anchor_urb(9)
• usb_unanchor_urb(9)
• usb_pipe_type_check(9)
• usb_urb_ep_type_check(9)
• usb_submit_urb(9)
• usb_unlink_urb(9)
• usb_kill_urb(9)
• usb_poison_urb(9)
• usb_block_urb(9)
• usb_kill_anchored_urbs(9)
• usb_poison_anchored_urbs(9)
• usb_unpoison_anchored_urbs(9)
• usb_anchor_suspend_wakeups(9)
• usb_anchor_resume_wakeups(9)
• usb_wait_anchor_empty_timeout(9)
• usb_scuttle_anchored_urbs(9)
• usb_anchor_empty(9)

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and that's the whole page bestie, go forth and unanchor 🧚💜

sign-off time: this one lives in ./drivers/usb/core, dated October 2026, and it's page usb_get_from_anchor(9) of the Kernel API Manual. periodt. 👑