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From: Andreas Hindborg <a.hindborg@kernel.org>
To: Tamir Duberstein <tamird@kernel.org>, Miguel Ojeda <ojeda@kernel.org>,
 Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
 =?utf-8?Q?Bj=C3=B6rn?= Roy
 Baron <bjorn3_gh@protonmail.com>, Benno Lossin <lossin@kernel.org>, Alice
 Ryhl <aliceryhl@google.com>, Trevor Gross <tmgross@umich.edu>, Danilo
 Krummrich <dakr@kernel.org>, Greg Kroah-Hartman
 <gregkh@linuxfoundation.org>
Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Tamir
 Duberstein <tamird@gmail.com>, Janne Grunau <j@jannau.net>
Subject: Re: [PATCH] rust: fix formatting expressions
In-Reply-To: <20260104-fmt-paren-v1-1-6b84bc0da78f@gmail.com>
References: <fzJECG6tYXqKgwdDYbvu0KQoPJybIbvqho0oTcuFz8CVKSJkzYpi5MXPq4FMMtplrcb9bQiXDPtJ9XogtmhrcQ==@protonmail.internalid>
 <20260104-fmt-paren-v1-1-6b84bc0da78f@gmail.com>
Date: Wed, 14 Jan 2026 12:28:58 +0100
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"Tamir Duberstein" <tamird@kernel.org> writes:

> From: Tamir Duberstein <tamird@gmail.com>
>
> Allow usage like `pr_info!("one + 1 = {}", one + 1)` to compile by
> ensuring that a reference is taken to the entire expression.
>
> Fixes: c5cf01ba8dfe ("rust: support formatting of foreign types")
> Reported-by: Janne Grunau <j@jannau.net>
> Closes: https://rust-for-linux.zulipchat.com/#narrow/channel/288089-General/topic/Custom.20formatting/near/566219493
> ---
> Signed-off-by: Tamir Duberstein <tamird@gmail.com>


Tested-by: Andreas Hindborg <a.hindborg@kernel.org>


Best regards,
Andreas Hindborg