linux-kernel - [PATCH v3 06/12] rust: str: move SAFETY comment in front of unsafe block

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Message-Id: <20240131-doc-fixes-v3-v3-6-0c8af94ed7de@valentinobst.de>
Date: Wed, 31 Jan 2024 21:23:28 +0100
From: Valentin Obst via B4 Relay <devnull+kernel.valentinobst.de@...nel.org>
To: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
 Wedson Almeida Filho <wedsonaf@...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@...sung.com>, 
 Alice Ryhl <aliceryhl@...gle.com>
Cc: rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Valentin Obst <kernel@...entinobst.de>, Trevor Gross <tmgross@...ch.edu>, 
 Martin Rodriguez Reboredo <yakoyoku@...il.com>
Subject: [PATCH v3 06/12] rust: str: move SAFETY comment in front of unsafe
 block

From: Valentin Obst <kernel@...entinobst.de>

SAFETY comments should immediately precede the unsafe block they
justify. Move assignment to `bar` past comment as it is safe.

Signed-off-by: Valentin Obst <kernel@...entinobst.de>
Reviewed-by: Trevor Gross <tmgross@...ch.edu>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>
Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
---
 rust/kernel/str.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index 843ffeec9b3e..fec5c4314758 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -191,9 +191,9 @@ pub fn to_str(&self) -> Result<&str, core::str::Utf8Error> {
     /// ```
     /// # use kernel::c_str;
     /// # use kernel::str::CStr;
+    /// let bar = c_str!("ツ");
     /// // SAFETY: String literals are guaranteed to be valid UTF-8
     /// // by the Rust compiler.
-    /// let bar = c_str!("ツ");
     /// assert_eq!(unsafe { bar.as_str_unchecked() }, "ツ");
     /// ```
     #[inline]

-- 
2.43.0