kunit_softw...r_node_group(9)

💅 kunit_software_node_register_node_group — a Kernel API Manual moment ✨

okay so bestie, we're in the Kernel API Manual today and this one is honestly such a slay little helper 🫶 it's giving "register a kunit-managed software node group" and the whole vibe is that the test framework cleans up after you so you don't have to 😭💖

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✨ NAME ✨

kunit_software_node_register_node_group — register a kunit-managed software node group, periodt 🎀

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🌸 SYNOPSIS 🌸

int kunit_software_node_register_node_group(struct kunit *test,
                                            const struct software_node *const *nodes);

like. that's the whole signature. no cap. 👑

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🦋 ARGUMENTS 🦋

• test — the test context 🧪 like, the test that's gonna own this whole situation
• nodes — the software node group you're registering 💫 yes, the actual group

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💜 DESCRIPTION 💜

So what this does is register a test-managed software node group. The nodes get unregistered after the test case completes — the framework literally handles the cleanup for you, which is highkey iconic 🙈✨ no manual teardown, no leaks, just vibes 💅

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⭐ RETURN ⭐

• 0 on success 🎉
• a negative error number on failure 💀 (so, like, check it, bestie)

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🔥 SEE ALSO 🔥

• Kernel file ./lib/kunit/fwnode.c — the source, go read it iykyk 📖
• kunit_fwnode_create_software_node(9)
• kunit_software_node_register(9)
• kunit_device_add_software_node(9)

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ngl the nodes are unregistered after the test case completes — that's the whole point, don't go trying to unregister them yourself and ruin the main character energy 💀

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okay that's the page!! 🍓 it lives in ./lib/kunit, dated October 2026, and it's literally the softest little registration function in the Kernel API Manual 🌈💖 bye bestie, go write some tests 🧚✨