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Commit 25d176a4 authored by Wedson Almeida Filho's avatar Wedson Almeida Filho Committed by Miguel Ojeda
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rust: prelude: add `error::code::*` constant items



It is convenient to have all the `Error` constant items (such as
`EINVAL`) available as-is everywhere (i.e. for code using the kernel
prelude such as kernel modules).

Therefore, add all of them to the prelude.

For instance, this allows to write `Err(EINVAL)` to create
a kernel `Result`:

    fn f() -> Result<...> {
        ...
        Err(EINVAL)
    }

Signed-off-by: default avatarWedson Almeida Filho <wedsonaf@gmail.com>
Reviewed-by: default avatarGary Guo <gary@garyguo.net>
[Reworded, adapted for upstream and applied latest changes]
Signed-off-by: default avatarMiguel Ojeda <ojeda@kernel.org>
parent 76e2c2d9
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