get_err_from_table(9)

🎀 get_err_from_table(9) 🎀

okay bestie, welcome to the Kernel API Manual — this is a tiny lil' page from the kernel docs and honestly? it's kind of a serve. let's get into it 💅

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✨ NAME ✨

get_err_from_table — gets the error message from a table 🫶

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✨ SYNOPSIS ✨

const char * get_err_from_table (const char *table[] , int size , int
       pos );

like, that's literally the whole signature. look at her go 😭

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✨ ARGUMENTS ✨

• table — the table name, bestie. it's an array of char * 🦋
• size — how many elements are chilling in that table
• pos — which element you want back (the position, iykyk)

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✨ DESCRIPTION ✨

so this is a small routine — small small — that grabs the pos-th element of a table. that's it. that's her whole job 💖

but here's the plot twist: if that element doesn't exist (or it's empty), she doesn't just vibe in silence, she returns "reserved". no cap. that's the fallback. 🙈

and listen — instead of calling her directly, the better move is to call her via the macro GET_ERR_FROM_TABLE, which automatically checks the table size via the ARRAY_SIZE macro. main character energy: let the macro do the safety check for you ✨

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✨ SEE ALSO ✨

kernel file ./drivers/edac/i7300_edac.c, plus the whole friend group 🌈:

• i7300_process_error_global(9)
• i7300_process_fbd_error(9)
• i7300_check_error(9)
• i7300_clear_error(9)
• i7300_set_error_reporting(9)
• decode_mtr(9)
• print_dimm_size(9)
• i7300_init_csrows(9)
• decode_mir(9)
• i7300_get_mc_regs(9)
• i7300_put_devices(9)
• i7300_get_devices(9)
• i7300_init_one(9)
• i7300_remove_one(9)
• i7300_init(9)
• i7300_exit(9)

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and that's the whole page, no notes 👑

this iconic lil' number lives over in ./drivers/edac, dated October 2026, and yeah — it's get_err_from_table(9), periodt 🎀💜