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-rw-r--r--rust/kernel/types.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/rust/kernel/types.rs b/rust/kernel/types.rs
index ec6457bb3084..3aea6af9a0bc 100644
--- a/rust/kernel/types.rs
+++ b/rust/kernel/types.rs
@@ -281,6 +281,17 @@ impl<T> Opaque<T> {
}
}
+ /// Create an opaque pin-initializer from the given pin-initializer.
+ pub fn pin_init(slot: impl PinInit<T>) -> impl PinInit<Self> {
+ Self::ffi_init(|ptr: *mut T| {
+ // SAFETY:
+ // - `ptr` is a valid pointer to uninitialized memory,
+ // - `slot` is not accessed on error; the call is infallible,
+ // - `slot` is pinned in memory.
+ let _ = unsafe { init::PinInit::<T>::__pinned_init(slot, ptr) };
+ })
+ }
+
/// Creates a pin-initializer from the given initializer closure.
///
/// The returned initializer calls the given closure with the pointer to the inner `T` of this