diff options
| author | Andreas Hindborg <a.hindborg@kernel.org> | 2026-03-03 12:17:01 -0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-03-08 11:06:51 +0100 |
| commit | b91d5d4bcf1266257a9e0199e1b4ad7fa8771baa (patch) | |
| tree | 53d20378872ad8a1001f9b2c9d0fd75a48e0e710 /rust/kernel/sync/atomic | |
| parent | 0b864375d93d1509821def9c4b15f845d314a5d2 (diff) | |
rust: atomic: Update a safety comment in impl of `fetch_add()`
The safety comment used in the implementation of `fetch_add()` could be
read as just saying something it is true without justifying it. Update
the safety comment to include justification.
Suggested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>
Signed-off-by: Boqun Feng <boqun@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260220-atomic-sub-v3-3-e63cbed1d2aa@kernel.org
Link: https://patch.msgid.link/20260303201701.12204-14-boqun@kernel.org
Diffstat (limited to 'rust/kernel/sync/atomic')
| -rw-r--r-- | rust/kernel/sync/atomic/internal.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/rust/kernel/sync/atomic/internal.rs b/rust/kernel/sync/atomic/internal.rs index b762dbdf6d18..ad810c2172ec 100644 --- a/rust/kernel/sync/atomic/internal.rs +++ b/rust/kernel/sync/atomic/internal.rs @@ -337,7 +337,7 @@ declare_and_impl_atomic_methods!( /// Atomically updates `*a` to `(*a).wrapping_add(v)`, and returns the value of `*a` /// before the update. fn fetch_add[acquire, release, relaxed](a: &AtomicRepr<Self>, v: Self::Delta) -> Self { - // SAFETY: `a.as_ptr()` is valid and properly aligned. + // SAFETY: `a.as_ptr()` guarantees the returned pointer is valid and properly aligned. unsafe { bindings::#call(v, a.as_ptr().cast()) } } |