drm_file_free(9)

✨ drm_file_free ✨

ok so this is drm_file_free(9) from the Kernel API Manual — the little cleanup queen of the DRM file-context world 💅

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🌸 NAME 🌸

drm_file_free — free file context 🫶

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🎀 SYNOPSIS 🎀

void drm_file_free (struct drm_file *file );

literally one function, one argument, zero drama (until you forget to unlink it, but we'll get there bestie 😭)

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🦋 ARGUMENTS 🦋

• file — the context to free, or NULL if you're just vibing and want to pass nothing. Yeah, NULL is allowed. We'll get into it 👑

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💖 DESCRIPTION 💖

okay so picture this: this function destroys and deallocates a DRM file context that was previously allocated via drm_file_alloc. She's the deallocator. The cleanup era. The end-of-tour.

But here's the thing — the caller must make sure to unlink it from any contexts before calling this. That part is on you, not on her. She will not do the unlink for you. She's not your mom. So unlink first, then call this. Periodt ✨

And if you pass NULL? Cute. It's a no-op. Nothing happens. No crash, no implosion, no screaming into the void. Just peace 🧚

bestie please actually unlink it first. this is a "must" and i don't make the rules (the kernel makes the rules) 💀

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🌈 SEE ALSO 🌈

ok the friend group is HUGE, get comfy 🍓

• Kernel file ./drivers/gpu/drm/drm_file.c
• file operations(9)
• drm_file_alloc(9)
• drm_open(9)
• drm_release(9)
• drm_release_noglobal(9)
• drm_read(9)
• drm_poll(9)
• drm_event_reserve_init_locked(9)
• drm_event_reserve_init(9)
• drm_event_cancel_free(9)
• drm_send_event_timestamp_locked(9)
• drm_send_event_locked(9)
• drm_send_event(9)
• drm_print_memory_stats(9)
• drm_show_memory_stats(9)
• drm_show_fdinfo(9)
• drm_file_err(9)
• mock_drm_getfile(9)

like i said. big friend group. all iconic, all worth a read 👑

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alright that's the whole page 🌸 this one lives over in ./drivers/gpu/drm, dated October 2026, and it's signed drm_file_free(9) — mwah, go unlink your contexts, love u, bye 💜🫶