free_rs(9)

🎀 free_rs(9) 🎀

okay so real quick — this is a page from the Kernel API Manual, bestie. it's called free_rs, and it's literally the "ok we're done here, clean up your mess" function. let's get into it 💅

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✨ NAME ✨

free_rs — free the rs control structure 🧹

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🌸 SYNOPSIS 🌸

void free_rs (struct rs_control *rs );

like… that's the whole vibe. one function, one argument, no return value. void. it gives nothing and it takes one thing. icon behavior honestly 👑

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🦋 ARGUMENTS 🦋

• rs — the control structure that is not longer used by the caller. yes bestie, that's the actual wording, "not longer" — we keep it, we love it, we don't fix it 🫶. basically: if you are still holding onto this thing, do NOT call this. it's the "i'm done, take it away" pointer.

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💖 DESCRIPTION 💖

so here's the tea ☕: this function frees the control structure. full stop. that's the job.

but — and this is the main character detail — if rs happens to be the last user of the associated codec, then the codec gets freed too. like, the control structure is the last one at the party, so it turns off the lights and locks up on the way out. 🔥 no cap, that's literally what it does.

heads up bestie 💀 — don't call this while you're still using rs. the argument description says it's the structure that's not longer used by the caller, so if you free it while you're still holding on, that's on you and the vibe check will not be kind.

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🌈 SEE ALSO 🌈

literally the whole reed-solomon friend group, go say hi 💜:

• Kernel file ./lib/reed_solomon/reed_solomon.c — the source file, the origin story
• codec_init(9)
• init_rs_internal(9)
• init_rs_gfp(9)
• init_rs_non_canonical(9)
• encode_rs8(9)
• decode_rs8(9)
• encode_rs16(9)
• decode_rs16(9)

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⭐ and that's the page!! this little gem lives in ./lib/reed_solomon, dated October 2026, and it's page free_rs(9) of the Kernel API Manual. go free your control structures responsibly, bestie, mwah 💋🎀