[PATCH 6/9] rust: kunit: use `kernel::{fmt,prelude::fmt!}`

[Tamir Duberstein]

Reduce coupling to implementation details of the formatting machinery by
avoiding direct use for `core`'s formatting traits and macros.

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Reviewed-by: Alice Ryhl <aliceryhl at google.com>
Signed-off-by: Tamir Duberstein <tamird at gmail.com>
---
 rust/kernel/kunit.rs        | 8 ++++----
 scripts/rustdoc_test_gen.rs | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/rust/kernel/kunit.rs b/rust/kernel/kunit.rs
index 099a61bbb8f4..42498cb93f33 100644
--- a/rust/kernel/kunit.rs
+++ b/rust/kernel/kunit.rs
@@ -6,8 +6,8 @@
 //!
 //! Reference: <https://docs.kernel.org/dev-tools/kunit/index.html>
 
+use crate::fmt;
 use crate::prelude::*;
-use core::fmt;
 
 #[cfg(CONFIG_PRINTK)]
 use crate::c_str;
@@ -74,14 +74,14 @@ macro_rules! kunit_assert {
                 // mistake (it is hidden to prevent that).
                 //
                 // This mimics KUnit's failed assertion format.
-                $crate::kunit::err(format_args!(
+                $crate::kunit::err($crate::prelude::fmt!(
                     "    # {}: ASSERTION FAILED at {FILE}:{LINE}\n",
                     $name
                 ));
-                $crate::kunit::err(format_args!(
+                $crate::kunit::err($crate::prelude::fmt!(
                     "    Expected {CONDITION} to be true, but is false\n"
                 ));
-                $crate::kunit::err(format_args!(
+                $crate::kunit::err($crate::prelude::fmt!(
                     "    Failure not reported to KUnit since this is a non-KUnit task\n"
                 ));
                 break 'out;
diff --git a/scripts/rustdoc_test_gen.rs b/scripts/rustdoc_test_gen.rs
index 1ca253594d38..507d36875196 100644
--- a/scripts/rustdoc_test_gen.rs
+++ b/scripts/rustdoc_test_gen.rs
@@ -201,7 +201,7 @@ macro_rules! assert_eq {{
     // This follows the syntax for declaring test metadata in the proposed KTAP v2 spec, which may
     // be used for the proposed KUnit test attributes API. Thus hopefully this will make migration
     // easier later on.
-    ::kernel::kunit::info(format_args!("    # {kunit_name}.location: {real_path}:{line}\n"));
+    ::kernel::kunit::info(fmt!("    # {kunit_name}.location: {real_path}:{line}\n"));
 
     /// The anchor where the test code body starts.
     #[allow(unused)]

-- 
2.50.0