[PATCH 05/17] rust: configfs: replace `kernel::c_str!` with C-Strings
From: Tamir Duberstein <hidden>
Date: 2025-07-10 15:31:44
Also in:
dri-devel, linux-block, linux-clk, linux-kselftest, linux-pci, linux-pm, lkml, nouveau, rust-for-linux
Subsystem:
configfs, rust, the rest · Maintainers:
Andreas Hindborg, Miguel Ojeda, Linus Torvalds
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> Signed-off-by: Tamir Duberstein <redacted> --- rust/kernel/configfs.rs | 5 ++--- samples/rust/rust_configfs.rs | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/rust/kernel/configfs.rs b/rust/kernel/configfs.rs
index d4797c41ba77..9e7308e4d4ce 100644
--- a/rust/kernel/configfs.rs
+++ b/rust/kernel/configfs.rs@@ -21,7 +21,6 @@ //! //! ```ignore //! use kernel::alloc::flags; -//! use kernel::c_str; //! use kernel::configfs_attrs; //! use kernel::configfs; //! use kernel::new_mutex;
@@ -50,7 +49,7 @@ //! //! try_pin_init!(Self { //! config <- configfs::Subsystem::new( -//! c_str!("rust_configfs"), item_type, Configuration::new() +//! c"rust_configfs", item_type, Configuration::new() //! ), //! }) //! }
@@ -66,7 +65,7 @@ //! impl Configuration { //! fn new() -> impl PinInit<Self, Error> { //! try_pin_init!(Self { -//! message: c_str!("Hello World\n"), +//! message: c"Hello World\n", //! bar <- new_mutex!((KBox::new([0; PAGE_SIZE], flags::GFP_KERNEL)?, 0)), //! }) //! }
diff --git a/samples/rust/rust_configfs.rs b/samples/rust/rust_configfs.rs
index 5005453f874d..ea84c23b784b 100644
--- a/samples/rust/rust_configfs.rs
+++ b/samples/rust/rust_configfs.rs@@ -3,7 +3,6 @@ //! Rust configfs sample. use kernel::alloc::flags; -use kernel::c_str; use kernel::configfs; use kernel::configfs_attrs; use kernel::new_mutex;
@@ -35,7 +34,7 @@ struct Configuration { impl Configuration { fn new() -> impl PinInit<Self, Error> { try_pin_init!(Self { - message: c_str!("Hello World\n"), + message: c"Hello World\n", bar <- new_mutex!((KBox::new([0; PAGE_SIZE], flags::GFP_KERNEL)?, 0)), }) }
@@ -61,7 +60,7 @@ fn init(_module: &'static ThisModule) -> impl PinInit<Self, Error> { try_pin_init!(Self { config <- configfs::Subsystem::new( - c_str!("rust_configfs"), item_type, Configuration::new() + c"rust_configfs", item_type, Configuration::new() ), }) }
--
2.50.0