[PATCH v2 09/12] rust: init: implement Zeroable for Opaque<T>

[Benno Lossin]

Since `Opaque<T>` contains a `MaybeUninit<T>`, all bytes zero is a valid
bit pattern for that type.

Signed-off-by: Benno Lossin <benno.lossin@xxxxxxxxx>
---
 rust/kernel/types.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rust/kernel/types.rs b/rust/kernel/types.rs
index d849e1979ac7..f0f540578d0f 100644
--- a/rust/kernel/types.rs
+++ b/rust/kernel/types.rs
@@ -11,6 +11,7 @@
     ops::{Deref, DerefMut},
     ptr::NonNull,
 };
+use macros::Zeroable;
 
 /// Used to transfer ownership to and from foreign (non-Rust) languages.
 ///
@@ -251,6 +252,7 @@ fn drop(&mut self) {
 ///
 /// This is meant to be used with FFI objects that are never interpreted by Rust code.
 #[repr(transparent)]
+#[derive(Zeroable)]
 pub struct Opaque<T> {
     value: UnsafeCell<MaybeUninit<T>>,
     _pin: PhantomPinned,
-- 
2.41.0