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From: Alice Ryhl <aliceryhl@google.com>
To: Danilo Krummrich <dakr@kernel.org>
Cc: gregkh@linuxfoundation.org, rafael@kernel.org,
	david.m.ertman@intel.com,  ira.weiny@intel.com, leon@kernel.org,
	ojeda@kernel.org, alex.gaynor@gmail.com,  boqun.feng@gmail.com,
	gary@garyguo.net, bjorn3_gh@protonmail.com,  lossin@kernel.org,
	a.hindborg@kernel.org, tmgross@umich.edu,
	 linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org
Subject: Re: [PATCH] rust: auxiliary: fix false positive warning for missing a safety comment
Date: Tue, 4 Nov 2025 08:43:28 +0000	[thread overview]
Message-ID: <aQm8sNvcunHF9mPr@google.com> (raw)
In-Reply-To: <20251103203932.2361660-1-dakr@kernel.org>

On Mon, Nov 03, 2025 at 09:39:18PM +0100, Danilo Krummrich wrote:
> Some older (yet supported) versions of clippy throw a false positive
> warning for missing a safety comment when the safety comment is on a
> multiline statement.
> 
> warning: unsafe block missing a safety comment
>    --> rust/kernel/auxiliary.rs:351:22
>     |
> 351 |                 Self(unsafe { NonNull::new_unchecked(adev) }),
>     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>     |
>     = help: consider adding a safety comment on the preceding line
>     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#undocumented_unsafe_blocks
>     = note: requested on the command line with `-W clippy::undocumented-unsafe-blocks`
> 
> warning: 1 warning emitted
> 
> Fix this by placing the safety comment right on top of the same line
> introducing the unsafe block.
> 
> Fixes: e4e679c8608e ("rust: auxiliary: unregister on parent device unbind")
> Signed-off-by: Danilo Krummrich <dakr@kernel.org>

Reviewed-by: Alice Ryhl <aliceryhl@google.com>

  parent reply	other threads:[~2025-11-04  8:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-03 20:39 [PATCH] rust: auxiliary: fix false positive warning for missing a safety comment Danilo Krummrich
2025-11-03 22:56 ` Greg KH
2025-11-04  8:43 ` Alice Ryhl [this message]
2025-11-05  0:31 ` Danilo Krummrich

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