From 6c37b6841a92714eba4a7b7f823aea801da4e09f Mon Sep 17 00:00:00 2001
From: Tamir Duberstein <tamird@gmail.com>
Date: Mon, 22 Dec 2025 13:28:27 +0100
Subject: rust: kunit: 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: David Gow <davidgow@google.com>
Link: https://patch.msgid.link/20251222-cstr-kunit-v1-1-39d999672f35@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
---
 rust/kernel/kunit.rs | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'rust/kernel')

diff --git a/rust/kernel/kunit.rs b/rust/kernel/kunit.rs
index 79436509dd73..21aef6c97325 100644
--- a/rust/kernel/kunit.rs
+++ b/rust/kernel/kunit.rs
@@ -9,9 +9,6 @@
 use crate::fmt;
 use crate::prelude::*;
 
-#[cfg(CONFIG_PRINTK)]
-use crate::c_str;
-
 /// Prints a KUnit error-level message.
 ///
 /// Public but hidden since it should only be used from KUnit generated code.
@@ -22,7 +19,7 @@ pub fn err(args: fmt::Arguments<'_>) {
     #[cfg(CONFIG_PRINTK)]
     unsafe {
         bindings::_printk(
-            c_str!("\x013%pA").as_char_ptr(),
+            c"\x013%pA".as_char_ptr(),
             core::ptr::from_ref(&args).cast::<c_void>(),
         );
     }
@@ -38,7 +35,7 @@ pub fn info(args: fmt::Arguments<'_>) {
     #[cfg(CONFIG_PRINTK)]
     unsafe {
         bindings::_printk(
-            c_str!("\x016%pA").as_char_ptr(),
+            c"\x016%pA".as_char_ptr(),
             core::ptr::from_ref(&args).cast::<c_void>(),
         );
     }
@@ -60,7 +57,7 @@ macro_rules! kunit_assert {
                 break 'out;
             }
 
-            static FILE: &'static $crate::str::CStr = $crate::c_str!($file);
+            static FILE: &'static $crate::str::CStr = $file;
             static LINE: i32 = ::core::line!() as i32 - $diff;
             static CONDITION: &'static $crate::str::CStr = $crate::c_str!(stringify!($condition));
 
@@ -253,7 +250,7 @@ pub const fn kunit_case_null() -> kernel::bindings::kunit_case {
 /// }
 ///
 /// static mut KUNIT_TEST_CASES: [kernel::bindings::kunit_case; 2] = [
-///     kernel::kunit::kunit_case(kernel::c_str!("name"), test_fn),
+///     kernel::kunit::kunit_case(c"name", test_fn),
 ///     kernel::kunit::kunit_case_null(),
 /// ];
 /// kernel::kunit_unsafe_test_suite!(suite_name, KUNIT_TEST_CASES);
-- 
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