batadv_err(9)

👑 batadv_err(9) 👑

okay so bestie, welcome to batadv_err(9), straight out of the Kernel API Manual ✨ this one's short and sweet and honestly kinda the moment where your error goes ✨everywhere at once✨

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💖 NAME 💖

batadv_err — store an error in the debug buffer and print it to the kmsg buffer 🫶

like yes, both. at the same time. not me double-dipping but also fully double-dipping 💅

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🎀 SYNOPSIS 🎀

batadv_err (net_dev , fmt , arg... );

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🦋 ARGUMENTS 🦋

• net_dev — the mesh interface net device 🛰️ this is the underlying mesh interface's network device, bestie, so like, know which one you're yelling about
• fmt — the format string 🎀 classic printf energy, you know the vibe
• arg — the variable arguments 🌸 the actual little guys that get slotted into the format string

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🌈 SEE ALSO 🌈

peep the kernel file ./net/batman-adv/log.h for the whole fam 👀

• enum batadv_dbg_level(9)
• _batadv_dbg(9)
• batadv_dbg(9)
• batadv_dbg_ratelimited(9)
• batadv_info(9)

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ngl this page is short but it ate fr fr — batadv_err gives you the debug buffer and the kmsg buffer in one go, no cap 😭🔥

okay that's the whole thing bestie, ily, go log something iconic 💜

signing off from ./net/batman-adv, dated October 2026 — mwah 💋