[PATCH v2 04/10] rust: cpufreq: use `core::ffi::CStr` method names

From: Tamir Duberstein
Date: Sat Jul 19 2025 - 18:47:10 EST


Prepare for `core::ffi::CStr` taking the place of `kernel::str::CStr` by
avoid methods that only exist on the latter.

Link: https://github.com/Rust-for-Linux/linux/issues/1075
Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Reviewed-by: Benno Lossin <lossin@xxxxxxxxxx>
Acked-by: Danilo Krummrich <dakr@xxxxxxxxxx>
Signed-off-by: Tamir Duberstein <tamird@xxxxxxxxx>
---
rust/kernel/cpufreq.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/kernel/cpufreq.rs b/rust/kernel/cpufreq.rs
index e8d231971276..71d601f7c261 100644
--- a/rust/kernel/cpufreq.rs
+++ b/rust/kernel/cpufreq.rs
@@ -1018,7 +1018,7 @@ impl<T: Driver> Registration<T> {
};

const fn copy_name(name: &'static CStr) -> [c_char; CPUFREQ_NAME_LEN] {
- let src = name.as_bytes_with_nul();
+ let src = name.to_bytes_with_nul();
let mut dst = [0; CPUFREQ_NAME_LEN];

build_assert!(src.len() <= CPUFREQ_NAME_LEN);

--
2.50.1