__policy_find(9)

🌸 NAME 🌸

okay so bestie, meet __policy_find(9) from the Kernel API Manual — it's the helper that finds a policy by @name on a policy list. lowkey iconic, no cap. 💖

⭐ SYNOPSIS ⭐

struct aa_policy * __policy_find (struct list_head *head , const char *name );

🎀 ARGUMENTS 🎀

• head — the list to search. It is NOT NULL (like, fr fr, do not pass NULL here 🙈).
• name — the name to search for. Also NOT NULL (same vibe check, bestie ✨).

🦋 DESCRIPTION 🦋

Requires: rcu_read_lock be held. That's the whole requirement, and it's giving very “do not skip this step” energy. 💅

🔥 RETURN 🔥

It returns the unrefcounted policy that match name, or NULL if it's not found. So yeah: found = policy, not found = NULL. Periodt. 💀

🌈 SEE ALSO 🌈

• Kernel file ./security/apparmor/include/lib.h
• aa_strneq(9)
• aa_dfa_null_transition(9)
• basename(9)
• __policy_strn_find(9)

cute little sign-off: source/version stamp is ./security/apparmor/include, date is October 2026. mwah 💋✨