linux-kernel - Re: [PATCH] rust: disallow use of `CStr::as

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Message-ID: <CANiq72kqAO5Xms8wJbH3tf+Tcet6ORDLa+Mm3Rw+jNSm7WwbSw@mail.gmail.com>
Date: Wed, 21 Jan 2026 21:47:54 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Tamir Duberstein <tamird@...nel.org>
Cc: Gary Guo <gary@...yguo.net>, Miguel Ojeda <ojeda@...nel.org>, 
	Boqun Feng <boqun.feng@...il.com>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rust: disallow use of `CStr::as_ptr`

On Wed, Jan 21, 2026 at 9:02 PM Tamir Duberstein <tamird@...nel.org> wrote:
>
> Well, what is "it"? Do you know the upstream issue?

I think Gary is referring to this one:

    https://github.com/rust-lang/rust/issues/15701

We have had several times where we could have used attributes for
`allow`s and `cfg`s and such.

I think it is fair to add it to the wishlist (i.e.
https://github.com/Rust-for-Linux/linux/issues/354).

Cheers,
Miguel