Re: [PATCH] rust: kunit: use crate-level mapping for `c_void`

["Benno Lossin" <lossin@kernel.org>]

On Mon May 26, 2025 at 6:24 PM CEST, Jesung Yang wrote:
> Use `kernel::ffi::c_void` instead of `core::ffi::c_void` for consistency
> and to centralize abstraction.
>
> Since `kernel::ffi::c_void` is a transparent wrapper around
> `core::ffi::c_void`, both are functionally equivalent. However, using
> `kernel::ffi::c_void` improves consistency across the kernel's Rust code
> and provides a unified reference point in case the definition ever needs
> to change, even if such a change is unlikely.
>
> Signed-off-by: Jesung Yang <y.j3ms.n@gmail.com>
> ---
>  rust/kernel/kunit.rs | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/rust/kernel/kunit.rs b/rust/kernel/kunit.rs
> index 81833a687b75..bd6fc712dd79 100644
> --- a/rust/kernel/kunit.rs
> +++ b/rust/kernel/kunit.rs
> @@ -6,7 +6,8 @@
>  //!
>  //! Reference: <https://docs.kernel.org/dev-tools/kunit/index.html>
>  
> -use core::{ffi::c_void, fmt};
> +use core::fmt;
> +use kernel::ffi::c_void;

We don't need to explicitly import it, as `c_void` is present in the
prelude since 3d5bef5d47c3 ("rust: add C FFI types to the prelude").

With the import removed:

Reviewed-by: Benno Lossin <lossin@kernel.org>

---
Cheers,
Benno