linux-kernel - [PATCH] rust: seq_file: replace `kernel::c

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Message-Id: <20251222-cstr-vfs-v1-1-18e3d327cbd7@gmail.com>
Date: Mon, 22 Dec 2025 13:18:57 +0100
From: Tamir Duberstein <tamird@...nel.org>
To: Alexander Viro <viro@...iv.linux.org.uk>, 
 Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
 Miguel Ojeda <ojeda@...nel.org>, 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>, 
 Danilo Krummrich <dakr@...nel.org>
Cc: linux-fsdevel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Tamir Duberstein <tamird@...il.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] rust: seq_file: 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/kernel/seq_file.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/kernel/seq_file.rs b/rust/kernel/seq_file.rs
index 855e533813a6..518265558d66 100644
--- a/rust/kernel/seq_file.rs
+++ b/rust/kernel/seq_file.rs
@@ -4,7 +4,7 @@
 //!
 //! C header: [`include/linux/seq_file.h`](srctree/include/linux/seq_file.h)
 
-use crate::{bindings, c_str, fmt, str::CStrExt as _, types::NotThreadSafe, types::Opaque};
+use crate::{bindings, fmt, str::CStrExt as _, types::NotThreadSafe, types::Opaque};
 
 /// A utility for generating the contents of a seq file.
 #[repr(transparent)]
@@ -36,7 +36,7 @@ pub fn call_printf(&self, args: fmt::Arguments<'_>) {
         unsafe {
             bindings::seq_printf(
                 self.inner.get(),
-                c_str!("%pA").as_char_ptr(),
+                c"%pA".as_char_ptr(),
                 core::ptr::from_ref(&args).cast::<crate::ffi::c_void>(),
             );
         }

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251222-cstr-vfs-55ca2ceca0a4

Best regards,
--  
Tamir Duberstein <tamird@...il.com>