linux-kernel - Re: [PATCH] rust: error: fix the description for `ECHILD`

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Date:   Mon, 09 Oct 2023 14:54:25 +0000
From:   Benno Lossin <benno.lossin@...ton.me>
To:     Wedson Almeida Filho <wedsonaf@...il.com>,
        rust-for-linux@...r.kernel.org
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Andreas Hindborg <a.hindborg@...sung.com>,
        Alice Ryhl <aliceryhl@...gle.com>,
        linux-kernel@...r.kernel.org,
        Wedson Almeida Filho <walmeida@...rosoft.com>
Subject: Re: [PATCH] rust: error: fix the description for `ECHILD`

On 30.09.23 16:49, Wedson Almeida Filho wrote:
> From: Wedson Almeida Filho <walmeida@...rosoft.com>
> 
> A mistake was made and the description of `ECHILD` is wrong (it reuses
> the description of `ENOEXEC`). This fixes it to reflect what's in
> `errno-base.h`.
> 
> Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
> ---
>   rust/kernel/error.rs | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/rust/kernel/error.rs b/rust/kernel/error.rs
> index 05fcab6abfe6..bab2c043fc42 100644
> --- a/rust/kernel/error.rs
> +++ b/rust/kernel/error.rs
> @@ -37,7 +37,7 @@ macro_rules! declare_err {
>       declare_err!(E2BIG, "Argument list too long.");
>       declare_err!(ENOEXEC, "Exec format error.");
>       declare_err!(EBADF, "Bad file number.");
> -    declare_err!(ECHILD, "Exec format error.");
> +    declare_err!(ECHILD, "No child process.");

Strictly speaking, `errno-base.h` documents this as "No child
processes" (note the plural), but I am fine with taking it as-is.

Reviewed-by: Benno Lossin <benno.lossin@...ton.me>