Commit 52a7f2de authored by Benno Lossin's avatar Benno Lossin Committed by Miguel Ojeda
Browse files

rust: init: broaden the blanket impl of `Init` 



This makes it possible to use `T` as a `impl Init<T, E>` for every error
type `E` instead of just `Infallible`.

Signed-off-by: default avatarBenno Lossin <benno.lossin@proton.me>
Reviewed-by: default avatarGary Guo <gary@garyguo.net>
Reviewed-by: default avatarMartin Rodriguez Reboredo <yakoyoku@gmail.com>
Link: https://lore.kernel.org/r/20230413100157.740697-1-benno.lossin@proton.me


Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 1944caa8

rust/kernel/init.rs

+2 −2
Original line number Diff line number Diff line
@@ -1190,8 +1190,8 @@ pub fn uninit<T, E>() -> impl Init<MaybeUninit<T>, E> { 
}



// SAFETY: Every type can be initialized by-value.

unsafe impl<T> Init<T> for T {

    unsafe fn __init(self, slot: *mut T) -> Result<(), Infallible> {

unsafe impl<T, E> Init<T, E> for T {

    unsafe fn __init(self, slot: *mut T) -> Result<(), E> {

        unsafe { slot.write(self) };

        Ok(())

    }