Thread (38 messages) 38 messages, 3 authors, 2025-03-14

Re: [PATCH v2 5/5] rust: enable `clippy::as_underscore` lint

From: Benno Lossin <hidden>
Date: 2025-03-12 19:11:01
Also in: linux-block, linux-kbuild, linux-kselftest, linux-pci, lkml, rust-for-linux

On Wed Mar 12, 2025 at 7:01 PM CET, Tamir Duberstein wrote:
I think all the remaining comments are about strict provenance. I buy
that this is a useful thing to do, but in the absence of automated
tools to help do it, I'm not sure it's worth it to do it for just
these things I happen to be touching rather than doing it throughout.

I couldn't find a clippy lint. Do you know of one? If not, should we
file an issue?
A quick search gave me:

    https://doc.rust-lang.org/nightly/unstable-book/language-features/strict-provenance-lints.html

The linked tracking issue is closed which seems like a mistake, since
it's not yet stabilized. I found a different issue tracking it though:

    https://github.com/rust-lang/rust/issues/130351

We probably should use both in that case:

    #![feature(strict_provenance_lints)]
    #![warn(fuzzy_provenance_casts, lossy_provenance_casts)]

I don't want to push more work onto this series, so it's fine to leave
them in. Thus:

Reviewed-by: Benno Lossin <redacted>

We can either make this a good-first-issue, or if you also want to
tackle this, then go ahead :)

---
Cheers,
Benno
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