From: Tamir Duberstein <tamird@gmail.com>
Date: Mon, 22 Dec 2025 12:21:23 +0000 (+0100)
Subject: rust: miscdevice: replace `kernel::c_str!` with C-Strings
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=582ce8ea201292ecc020505ab258991cdc7d0bd2;p=thirdparty%2Fkernel%2Flinux.git

rust: miscdevice: replace `kernel::c_str!` with C-Strings

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@linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Benno Lossin <lossin@kernel.org>
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://patch.msgid.link/20251222-cstr-char-misc-v1-1-d218537d28ab@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/samples/rust/rust_misc_device.rs b/samples/rust/rust_misc_device.rs
index d69bc33dbd99f..49dd5814e1abe 100644
--- a/samples/rust/rust_misc_device.rs
+++ b/samples/rust/rust_misc_device.rs
@@ -98,7 +98,6 @@
 use core::pin::Pin;
 
 use kernel::{
-    c_str,
     device::Device,
     fs::{File, Kiocb},
     ioctl::{_IO, _IOC_SIZE, _IOR, _IOW},
@@ -133,7 +132,7 @@ impl kernel::InPlaceModule for RustMiscDeviceModule {
         pr_info!("Initialising Rust Misc Device Sample\n");
 
         let options = MiscDeviceOptions {
-            name: c_str!("rust-misc-device"),
+            name: c"rust-misc-device",
         };
 
         try_pin_init!(Self {