linux-kernel - Re: [PATCH v2 2/6] rust: types: avoid `as` casts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAH5fLghWusxAnU7avBueJmsdbvpoabb3=ckA7JvaZX6iha960A@mail.gmail.com>
Date: Fri, 8 Nov 2024 12:35:15 +0100
From: Alice Ryhl <aliceryhl@...gle.com>
To: Tamir Duberstein <tamird@...il.com>
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>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, rust-for-linux@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/6] rust: types: avoid `as` casts

On Mon, Nov 4, 2024 at 10:20 PM Tamir Duberstein <tamird@...il.com> wrote:
>
> Replace `as` casts with `cast{,_const,_mut}` which are a bit safer.
>
> Signed-off-by: Tamir Duberstein <tamird@...il.com>

The compiler auto-converts from *mut to *const, so only cast_mut() is
necessary. I think this will still compile if you get rid of all of
the cast_const() calls.

Alice