linux-kernel - Re: [PATCH] rust: init: change the generated name of guard variables

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Date: Mon, 6 May 2024 00:27:39 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Benno Lossin <benno.lossin@...ton.me>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Wedson Almeida Filho <wedsonaf@...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>, 
	Martin Rodriguez Reboredo <yakoyoku@...il.com>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: init: change the generated name of guard variables

On Wed, Apr 3, 2024 at 9:43 PM Benno Lossin <benno.lossin@...ton.me> wrote:
>
> The initializers created by the `[try_][pin_]init!` macros utilize the
> guard pattern to drop already initialized fields, when initialization
> fails mid-way. These guards are generated to have the same name as the
> field that they handle. To prevent namespacing issues when the field
> name is the same as e.g. a constant name, add `__` as a prefix and
> `_guard` as the suffix.
>
> Signed-off-by: Benno Lossin <benno.lossin@...ton.me>

[ Added Benno's link and Gary's simplified example. - Miguel ]

Applied to `rust-next` -- thanks everyone!

Cheers,
Miguel