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rust: debugfs: replace kernel::c_str! with C-Strings

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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@gmail.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://patch.msgid.link/20251222-cstr-driver-core-v1-6-1142a177d0fd@gmail.com
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Tamir Duberstein
2025-12-22 13:35:32 +01:00
committed by Danilo Krummrich
parent 644672e93a
commit f47a8f595a
1 changed files with 9 additions and 14 deletions
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23
rust/kernel/debugfs.rs
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@@ -126,9 +126,8 @@ impl Dir {
/// # Examples
///
/// ```
/// # use kernel::c_str;
/// # use kernel::debugfs::Dir;
/// let debugfs = Dir::new(c_str!("parent"));
/// let debugfs = Dir::new(c"parent");
/// ```
pub fn new(name: &CStr) -> Self {
Dir::create(name, None)
@@ -139,10 +138,9 @@ impl Dir {
/// # Examples
///
/// ```
/// # use kernel::c_str;
/// # use kernel::debugfs::Dir;
/// let parent = Dir::new(c_str!("parent"));
/// let child = parent.subdir(c_str!("child"));
/// let parent = Dir::new(c"parent");
/// let child = parent.subdir(c"child");
/// ```
pub fn subdir(&self, name: &CStr) -> Self {
Dir::create(name, Some(self))
@@ -156,11 +154,10 @@ impl Dir {
/// # Examples
///
/// ```
/// # use kernel::c_str;
/// # use kernel::debugfs::Dir;
/// # use kernel::prelude::*;
/// # let dir = Dir::new(c_str!("my_debugfs_dir"));
/// let file = KBox::pin_init(dir.read_only_file(c_str!("foo"), 200), GFP_KERNEL)?;
/// # let dir = Dir::new(c"my_debugfs_dir");
/// let file = KBox::pin_init(dir.read_only_file(c"foo", 200), GFP_KERNEL)?;
/// // "my_debugfs_dir/foo" now contains the number 200.
/// // The file is removed when `file` is dropped.
/// # Ok::<(), Error>(())
@@ -185,11 +182,10 @@ impl Dir {
/// # Examples
///
/// ```
/// # use kernel::c_str;
/// # use kernel::debugfs::Dir;
/// # use kernel::prelude::*;
/// # let dir = Dir::new(c_str!("my_debugfs_dir"));
/// let file = KBox::pin_init(dir.read_binary_file(c_str!("foo"), [0x1, 0x2]), GFP_KERNEL)?;
/// # let dir = Dir::new(c"my_debugfs_dir");
/// let file = KBox::pin_init(dir.read_binary_file(c"foo", [0x1, 0x2]), GFP_KERNEL)?;
/// # Ok::<(), Error>(())
/// ```
pub fn read_binary_file<'a, T, E: 'a>(
@@ -212,12 +208,11 @@ impl Dir {
///
/// ```
/// # use core::sync::atomic::{AtomicU32, Ordering};
/// # use kernel::c_str;
/// # use kernel::debugfs::Dir;
/// # use kernel::prelude::*;
/// # let dir = Dir::new(c_str!("foo"));
/// # let dir = Dir::new(c"foo");
/// let file = KBox::pin_init(
/// dir.read_callback_file(c_str!("bar"),
/// dir.read_callback_file(c"bar",
/// AtomicU32::new(3),
/// &|val, f| {
/// let out = val.load(Ordering::Relaxed);