diff options
| author | Benno Lossin <lossin@kernel.org> | 2025-05-23 16:51:01 +0200 |
|---|---|---|
| committer | Benno Lossin <lossin@kernel.org> | 2025-06-11 21:13:56 +0200 |
| commit | 9f473538706b9fb5e82c9864b04089d35e4f93d5 (patch) | |
| tree | 51a42814606cf189d31fb2d77da50119aef316a1 /rust/pin-init/src | |
| parent | e93a238605348bc40fed77ba5582e311376d113b (diff) | |
rust: pin-init: change `impl Zeroable for Option<NonNull<T>>` to `ZeroableOption for NonNull<T>`
This brings it in line with references. It too is listed in [1].
Link: https://doc.rust-lang.org/stable/std/option/index.html#representation
Link: https://github.com/Rust-for-Linux/pin-init/pull/56/commits/8e52bf56ddc2190ce901d2f7c008ab8a64f653a9
Link: https://lore.kernel.org/all/20250523145125.523275-6-lossin@kernel.org
Signed-off-by: Benno Lossin <lossin@kernel.org>
Diffstat (limited to 'rust/pin-init/src')
| -rw-r--r-- | rust/pin-init/src/lib.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/rust/pin-init/src/lib.rs b/rust/pin-init/src/lib.rs index 298a3e675b7f..a4656e7976c7 100644 --- a/rust/pin-init/src/lib.rs +++ b/rust/pin-init/src/lib.rs @@ -1552,6 +1552,9 @@ unsafe impl<T> ZeroableOption for &T {} // SAFETY: `Option<&mut T>` is part of the option layout optimization guarantee: // <https://doc.rust-lang.org/stable/std/option/index.html#representation>. unsafe impl<T> ZeroableOption for &mut T {} +// SAFETY: `Option<NonNull<T>>` is part of the option layout optimization guarantee: +// <https://doc.rust-lang.org/stable/std/option/index.html#representation>. +unsafe impl<T> ZeroableOption for NonNull<T> {} /// Create an initializer for a zeroed `T`. /// @@ -1630,7 +1633,6 @@ impl_zeroable! { Option<NonZeroU128>, Option<NonZeroUsize>, Option<NonZeroI8>, Option<NonZeroI16>, Option<NonZeroI32>, Option<NonZeroI64>, Option<NonZeroI128>, Option<NonZeroIsize>, - {<T>} Option<NonNull<T>>, // SAFETY: `null` pointer is valid. // |