[PATCH] lsm: rust: reword "destroy" -> "release" in SecurityCtx

From: Alice Ryhl
Date: Tue Mar 04 2025 - 05:34:09 EST


What happens inside the individual LSMs for a given LSM hook can vary
quite a bit, so it is best to use the terminology "release" instead of
"destroy" or "free".

Suggested-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
---
This patch is based on top of:
https://lore.kernel.org/all/20250304-inline-securityctx-v2-1-f110f2c6e7ff@xxxxxxxxxx/
---
rust/kernel/security.rs | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/rust/kernel/security.rs b/rust/kernel/security.rs
index 24321105052648e150f2875bcfa5ef29f4249516..0c63e9e7e564b7d9d85865e5415dd0464e9a9098 100644
--- a/rust/kernel/security.rs
+++ b/rust/kernel/security.rs
@@ -16,7 +16,7 @@
/// # Invariants
///
/// The `ctx` field corresponds to a valid security context as returned by a successful call to
-/// `security_secid_to_secctx`, that has not yet been destroyed by `security_release_secctx`.
+/// `security_secid_to_secctx`, that has not yet been released by `security_release_secctx`.
pub struct SecurityCtx {
ctx: bindings::lsm_context,
}
@@ -67,9 +67,8 @@ pub fn as_bytes(&self) -> &[u8] {
impl Drop for SecurityCtx {
#[inline]
fn drop(&mut self) {
- // SAFETY: By the invariant of `Self`, this frees a context that came from a successful
- // call to `security_secid_to_secctx` and has not yet been destroyed by
- // `security_release_secctx`.
+ // SAFETY: By the invariant of `Self`, this releases an lsm context that came from a
+ // successful call to `security_secid_to_secctx` and has not yet been released.
unsafe { bindings::security_release_secctx(&mut self.ctx) };
}
}

---
base-commit: 93f60f16db02f7b52985338f37679095231b6383
change-id: 20250304-secctx-reword-release-e26ac4ee7e0b

Best regards,
--
Alice Ryhl <aliceryhl@xxxxxxxxxx>