linux-kernel - [PATCH] rust_binder: replace `kernel::c

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Message-Id: <20251222-cstr-staging-v1-1-974149ba4a79@gmail.com>
Date: Mon, 22 Dec 2025 13:22:17 +0100
From: Tamir Duberstein <tamird@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Arve Hjønnevåg <arve@...roid.com>, 
 Todd Kjos <tkjos@...roid.com>, Christian Brauner <brauner@...nel.org>, 
 Carlos Llamas <cmllamas@...gle.com>, Alice Ryhl <aliceryhl@...gle.com>, 
 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>, 
 Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>
Cc: linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
 Tamir Duberstein <tamird@...il.com>
Subject: [PATCH] rust_binder: 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.

Signed-off-by: Tamir Duberstein <tamird@...il.com>
---
 drivers/android/binder/rust_binder_main.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/android/binder/rust_binder_main.rs b/drivers/android/binder/rust_binder_main.rs
index c79a9e742240..519bc2fb310d 100644
--- a/drivers/android/binder/rust_binder_main.rs
+++ b/drivers/android/binder/rust_binder_main.rs
@@ -288,7 +288,7 @@ fn init(_module: &'static kernel::ThisModule) -> Result<Self> {
 
         pr_warn!("Loaded Rust Binder.");
 
-        BINDER_SHRINKER.register(kernel::c_str!("android-binder"))?;
+        BINDER_SHRINKER.register(c"android-binder")?;
 
         // SAFETY: The module is being loaded, so we can initialize binderfs.
         unsafe { kernel::error::to_result(binderfs::init_rust_binderfs())? };

---
base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
change-id: 20251222-cstr-staging-e96cbee7d73e

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