linux-kernel - [PATCH v3 6/6] rust: macros: replace `kernel::c

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Message-Id: <20251113-core-cstr-cstrings-v3-6-411b34002774@gmail.com>
Date: Thu, 13 Nov 2025 17:58:29 -0500
From: Tamir Duberstein <tamird@...nel.org>
To: Luis Chamberlain <mcgrof@...nel.org>, 
 Russ Weight <russ.weight@...ux.dev>, Danilo Krummrich <dakr@...nel.org>, 
 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 <lossin@...nel.org>, Andreas Hindborg <a.hindborg@...nel.org>, 
 Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
 FUJITA Tomonori <fujita.tomonori@...il.com>
Cc: linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
 netdev@...r.kernel.org, Tamir Duberstein <tamird@...il.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH v3 6/6] rust: macros: replace `kernel::c_str!` with
 C-Strings

From: Tamir Duberstein <tamird@...il.com>

C-String literals were added in Rust 1.77. Replace instances of
`kernel::c_str!` with C-String literals where possible.

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
Reviewed-by: Benno Lossin <lossin@...nel.org>
Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 rust/macros/module.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/macros/module.rs b/rust/macros/module.rs
index 5ee54a00c0b6..8cef6cc958b5 100644
--- a/rust/macros/module.rs
+++ b/rust/macros/module.rs
@@ -228,7 +228,7 @@ pub(crate) fn module(ts: TokenStream) -> TokenStream {
             type LocalModule = {type_};
 
             impl ::kernel::ModuleMetadata for {type_} {{
-                const NAME: &'static ::kernel::str::CStr = ::kernel::c_str!(\"{name}\");
+                const NAME: &'static ::kernel::str::CStr = c\"{name}\";
             }}
 
             // Double nested modules, since then nobody can access the public items inside.

-- 
2.51.2